floxif | 6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d

Analysis

max time kernel
150s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
18/11/2024, 21:22

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General

Target

6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
Size

3.7MB
MD5

1e9fcd18eeb3a26fc6bf433dbce6bb5b
SHA1

005aa36da58e05ce2613172f610dc26a810188c4
SHA256

6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d
SHA512

882cd7f69c2ff8a71750096d13e12d12b7099db089a39a126c576ad862df5ff3ea3aeef0e0837c175eff9a190bee699478ddf25a614f20dc4e0a4a859c04d5a8
SSDEEP

49152:tJX7zglZTo7c+2M5VWgtwkJyShV5VRz/dtmSp1YTLfNEX:37zglZ+2QXwkJFh/VRDSSp1Uf6

Score

10^/10

floxif backdoor discovery evasion persistence privilege_escalation trojan upx

Malware Config

Signatures

Floxif family
floxif
Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
backdoor trojan floxif

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Detects Floxif payload 1 IoCs

backdoor

resource	yara_rule
behavioral1/files/0x0007000000016d2c-14.dat	floxif

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0007000000016d2c-14.dat	acprotect

Executes dropped EXE 8 IoCs

pid	Process
2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2832	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2800	icsys.icn.exe
2228	explorer.exe
2892	icsys.icn.exe
568	spoolsv.exe
1644	svchost.exe
1788	spoolsv.exe

Loads dropped DLL 18 IoCs

pid	Process
2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2832	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2800	icsys.icn.exe
2228	explorer.exe
2892	icsys.icn.exe
2228	explorer.exe
568	spoolsv.exe
568	spoolsv.exe
1644	svchost.exe
1644	svchost.exe
1788	spoolsv.exe
2940	schtasks.exe
2216	schtasks.exe
2608	schtasks.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\explorer.exe	explorer.exe
File opened for modification	C:\Windows\SysWOW64\explorer.exe	svchost.exe

UPX packed file 26 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x0007000000016d2c-14.dat	upx
behavioral1/memory/2524-16-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2832-36-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2524-27-0x00000000003E0000-0x00000000003FF000-memory.dmp	upx
behavioral1/memory/2800-46-0x00000000002B0000-0x00000000002CF000-memory.dmp	upx
behavioral1/memory/2228-51-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2524-53-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2892-54-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2832-63-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2892-67-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2524-70-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/568-78-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/568-88-0x00000000004B0000-0x00000000004CF000-memory.dmp	upx
behavioral1/memory/1644-92-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1788-103-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2228-101-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1788-107-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/568-110-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2940-112-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2940-115-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1644-116-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2228-117-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2216-130-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2216-132-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2608-149-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2608-150-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\resources\svchost.exe	spoolsv.exe
File opened for modification	C:\Windows\Resources\tjud.exe	explorer.exe
File opened for modification	C:\Windows\Resources\Themes\icsys.icn.exe	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
File opened for modification	C:\Windows\Resources\Themes\icsys.icn.exe	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	icsys.icn.exe
File opened for modification	\??\c:\windows\resources\spoolsv.exe	explorer.exe

System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icsys.icn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icsys.icn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2216	schtasks.exe
2608	schtasks.exe
2940	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2800	icsys.icn.exe
2800	icsys.icn.exe
2800	icsys.icn.exe
2800	icsys.icn.exe
2800	icsys.icn.exe
2800	icsys.icn.exe
2800	icsys.icn.exe
2800	icsys.icn.exe
2800	icsys.icn.exe
2800	icsys.icn.exe
2800	icsys.icn.exe
2800	icsys.icn.exe
2800	icsys.icn.exe
2800	icsys.icn.exe
2800	icsys.icn.exe
2800	icsys.icn.exe
2800	icsys.icn.exe
2228	explorer.exe
2228	explorer.exe
2228	explorer.exe
2228	explorer.exe
2228	explorer.exe
2228	explorer.exe
2228	explorer.exe
2228	explorer.exe
2228	explorer.exe
2228	explorer.exe
2228	explorer.exe
2228	explorer.exe
2228	explorer.exe
2228	explorer.exe
2228	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2228	explorer.exe
1644	svchost.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
Token: SeDebugPrivilege	2832	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
Token: SeDebugPrivilege	2228	explorer.exe
Token: SeDebugPrivilege	2892	icsys.icn.exe
Token: SeDebugPrivilege	568	spoolsv.exe
Token: SeDebugPrivilege	1644	svchost.exe
Token: SeDebugPrivilege	1788	spoolsv.exe
Token: SeDebugPrivilege	2940	schtasks.exe
Token: SeDebugPrivilege	2216	schtasks.exe
Token: SeDebugPrivilege	2608	schtasks.exe

Suspicious use of SetWindowsHookEx 18 IoCs

pid	Process
2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2800	icsys.icn.exe
2800	icsys.icn.exe
2832	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2832	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
2228	explorer.exe
2892	icsys.icn.exe
2892	icsys.icn.exe
2228	explorer.exe
568	spoolsv.exe
568	spoolsv.exe
1644	svchost.exe
1644	svchost.exe
1788	spoolsv.exe
1788	spoolsv.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2524	2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe	29
PID 2412 wrote to memory of 2524	2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe	29
PID 2412 wrote to memory of 2524	2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe	29
PID 2412 wrote to memory of 2524	2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe	29
PID 2524 wrote to memory of 2832	2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe	31
PID 2524 wrote to memory of 2832	2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe	31
PID 2524 wrote to memory of 2832	2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe	31
PID 2524 wrote to memory of 2832	2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe	31
PID 2412 wrote to memory of 2800	2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe	30
PID 2412 wrote to memory of 2800	2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe	30
PID 2412 wrote to memory of 2800	2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe	30
PID 2412 wrote to memory of 2800	2412	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe	30
PID 2800 wrote to memory of 2228	2800	icsys.icn.exe	33
PID 2800 wrote to memory of 2228	2800	icsys.icn.exe	33
PID 2800 wrote to memory of 2228	2800	icsys.icn.exe	33
PID 2800 wrote to memory of 2228	2800	icsys.icn.exe	33
PID 2524 wrote to memory of 2892	2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe	32
PID 2524 wrote to memory of 2892	2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe	32
PID 2524 wrote to memory of 2892	2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe	32
PID 2524 wrote to memory of 2892	2524	6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe	32
PID 2228 wrote to memory of 568	2228	explorer.exe	34
PID 2228 wrote to memory of 568	2228	explorer.exe	34
PID 2228 wrote to memory of 568	2228	explorer.exe	34
PID 2228 wrote to memory of 568	2228	explorer.exe	34
PID 568 wrote to memory of 1644	568	spoolsv.exe	35
PID 568 wrote to memory of 1644	568	spoolsv.exe	35
PID 568 wrote to memory of 1644	568	spoolsv.exe	35
PID 568 wrote to memory of 1644	568	spoolsv.exe	35
PID 1644 wrote to memory of 1788	1644	svchost.exe	36
PID 1644 wrote to memory of 1788	1644	svchost.exe	36
PID 1644 wrote to memory of 1788	1644	svchost.exe	36
PID 1644 wrote to memory of 1788	1644	svchost.exe	36
PID 2228 wrote to memory of 1120	2228	explorer.exe	37
PID 2228 wrote to memory of 1120	2228	explorer.exe	37
PID 2228 wrote to memory of 1120	2228	explorer.exe	37
PID 2228 wrote to memory of 1120	2228	explorer.exe	37
PID 1644 wrote to memory of 2940	1644	svchost.exe	38
PID 1644 wrote to memory of 2940	1644	svchost.exe	38
PID 1644 wrote to memory of 2940	1644	svchost.exe	38
PID 1644 wrote to memory of 2940	1644	svchost.exe	38
PID 1644 wrote to memory of 2216	1644	svchost.exe	41
PID 1644 wrote to memory of 2216	1644	svchost.exe	41
PID 1644 wrote to memory of 2216	1644	svchost.exe	41
PID 1644 wrote to memory of 2216	1644	svchost.exe	41
PID 1644 wrote to memory of 2608	1644	svchost.exe	43
PID 1644 wrote to memory of 2608	1644	svchost.exe	43
PID 1644 wrote to memory of 2608	1644	svchost.exe	43
PID 1644 wrote to memory of 2608	1644	svchost.exe	43

C:\Users\Admin\AppData\Local\Temp\6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
"C:\Users\Admin\AppData\Local\Temp\6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2412
- \??\c:\users\admin\appdata\local\temp\6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
  c:\users\admin\appdata\local\temp\6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2524
- - \??\c:\users\admin\appdata\local\temp\6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
    c:\users\admin\appdata\local\temp\6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2832
- - C:\Windows\Resources\Themes\icsys.icn.exe
    C:\Windows\Resources\Themes\icsys.icn.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2892
- C:\Windows\Resources\Themes\icsys.icn.exe
  C:\Windows\Resources\Themes\icsys.icn.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2800
- - \??\c:\windows\resources\themes\explorer.exe
    c:\windows\resources\themes\explorer.exe
    3⤵
    - Modifies visiblity of hidden/system files in Explorer
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Drops file in System32 directory
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2228
  - - \??\c:\windows\resources\spoolsv.exe
      c:\windows\resources\spoolsv.exe SE
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:568
    - - \??\c:\windows\resources\svchost.exe
        
        c:\windows\resources\svchost.exe
        5⤵
        Modifies visiblity of hidden/system files in Explorer
        Executes dropped EXE
        Loads dropped DLL
        Adds Run key to start application
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:1644
      - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:1788
      - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 21:25 /f
        6⤵
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        Suspicious use of AdjustPrivilegeToken
        
        PID:2940
      - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 21:26 /f
        6⤵
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        Suspicious use of AdjustPrivilegeToken
        
        PID:2216
      - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 21:27 /f
        6⤵
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        Suspicious use of AdjustPrivilegeToken
        
        PID:2608
  - - C:\Windows\Explorer.exe
      C:\Windows\Explorer.exe
      4⤵
      PID:1120

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\A1D26E2\2C1FBA49DC.tmp

Filesize
3.5MB

MD5
579f6afbbcbdc3fae80e8efd1b716098

SHA1
bf715bd74c9e6bc75a66569e8e84097852beb2f6

SHA256
db5a46e9ab3348a44d041b8ed879d8fbb6f880379194cae19509ed4f34fa13d5

SHA512
d54cea1860c427b7b38459b1f548c7bfc69630ac42283a922292531313e088ec61b05d1ea44ee131347b9a83470bac13c70d3493739e06813bde59984444ee4d

Download Submit
C:\Windows\Resources\Themes\icsys.icn.exe

Filesize
135KB

MD5
789e7f22e4e7dbdf7b67ad37bee77b17

SHA1
d86e1afa6905bf2b79c167397de16231ade53e59

SHA256
1e8cfc133c85d8f9fcc20b627c08dbc5c09237ce26cfadc7130c0d045ed2b79b

SHA512
f38ca1b45d06bd94c4fe662d487c2478aea4346a571976cb9f151b4bade625275a298c919d4a88d789924ad9e34e80b7c14dfcd237405597955da2971e12bb27

Download Submit
\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
\Users\Admin\AppData\Local\Temp\6ee51bdbb27a53ac641cd55ee4aef446b3cde8a5376f834d6951fbed21935c2d.exe

Filesize
3.5MB

MD5
9ec2d02673ed27f1be75b11da5436a24

SHA1
d18ee5dc7be3b9938d47e10a8706463664e84697

SHA256
8475a9361b1802e26ea8b9dd25ade908733b0fea9d4c9da0d1a0fd3cfc2da69c

SHA512
706d941db6bc4597ee47bc711f96f4becd24e53a75217e1a809b0a17103c9e6efd6278cae2ca85f11e24129c0361ff5fff9ccaa92566dfd8a3a4bec212c62c5e

Download Submit
\Windows\Resources\Themes\explorer.exe

Filesize
135KB

MD5
44efd38196c26f62d64eccad2b4c9443

SHA1
c748cfe87773937e6c08cefcfa37ec8d4c55563c

SHA256
a75ee036867a4401ecd872e0c099ee579f438ef80a4046496c283293f1ad9fd3

SHA512
88f395e7b9402d9d7cb0611c3ff1861d675732e8dfa5917ed7d4d58b43ac01e231babb2b265dd44b268e6e0617900fba0104f7516f19508b3c55a5a55525cfc5

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
d58d34d2d58d99884fc5ec6e2934c835

SHA1
fc89eb4a965a551b3bfbebb000f594480ed37f22

SHA256
1f659e6f7b3d4d1be97756ce332d4611cd84d338fb53a71bf8c4819df5cefcda

SHA512
6b319277305142fa14d06d0886d49c93ad0eddbb382c983ba3732119948c5d2bfd0b6d496191cad26553e11b7e55e30335554232e46c45af31dd023d177e6f75

Download Submit
\Windows\Resources\svchost.exe

Filesize
135KB

MD5
fc9ef458d066dacb6dac516308537d79

SHA1
16562dc7d53e7fc9607a91399aa93b1b20453349

SHA256
afd2e7257503c879a4bcc9c2ac4e9ea4345c7bd5b7274b731c306d997bb38078

SHA512
6c1d08e7adb5d4246dcc49d0abb475137aad0adf4e691db3e18bc2d04cc8ecde4b96d9719503974593a6c89bcb67cc522ebe854a433fceb7ac3a4cc46d479e2a

Download Submit
memory/568-88-0x00000000004B0000-0x00000000004CF000-memory.dmp

Filesize
124KB

Download
memory/568-109-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/568-110-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/568-78-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1644-137-0x0000000000490000-0x00000000004AF000-memory.dmp

Filesize
124KB

Download
memory/1644-136-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1644-92-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1644-116-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1788-103-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1788-107-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1788-106-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2216-132-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2216-130-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2228-51-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2228-117-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2228-101-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2228-133-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2412-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2412-8-0x00000000002F0000-0x000000000030F000-memory.dmp

Filesize
124KB

Download
memory/2412-114-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2524-53-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2524-70-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2524-69-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2524-12-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2524-27-0x00000000003E0000-0x00000000003FF000-memory.dmp

Filesize
124KB

Download
memory/2524-16-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2608-149-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2608-150-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2800-113-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2800-46-0x00000000002B0000-0x00000000002CF000-memory.dmp

Filesize
124KB

Download
memory/2800-35-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2832-60-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2832-63-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2832-34-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2832-36-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2892-66-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2892-67-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2892-54-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2940-112-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2940-115-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download