8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2023, 09:13

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General

Target

8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632.exe
Size

536KB
MD5

04ccd586d42e6bc956b499ee4d513294
SHA1

a0ae681bc5b8d15ccc47f523ecd951ef13b60e6f
SHA256

8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632
SHA512

9da52eb1168a0396b9e268ef7cc7ede7fe7635b8c931977846d6853e1531f36602d5b37a00b37156af90ed05de7b74bbbff6e15b87a75096a96f40253abd8c89
SSDEEP

12288:vhf0Bs9bDDq9hu53Ltp/p+gPhhwPOaoTJRkmOkx2LIa:vdQyDL9xp/BGA1RkmOkx2LF

Score

8^/10

upx

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\System32\drivers\WS70A7zRA.sys	cacls.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Control Panel\International\Geo\Nation	8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632.exe

Executes dropped EXE 1 IoCs

pid	Process
1556	cacls.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4172-0-0x00000000004B0000-0x00000000005B2000-memory.dmp	upx
behavioral2/memory/4172-17-0x00000000004B0000-0x00000000005B2000-memory.dmp	upx
behavioral2/memory/4172-34-0x00000000004B0000-0x00000000005B2000-memory.dmp	upx

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	114.114.114.114

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\ \Windows\System32\N9r8Pzip8.sys	cacls.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\476d18	8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632.exe
File created	C:\Windows\6ESm1aKCT.sys	cacls.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	cacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_DADY_DVD-ROM\4&215468A5&0&010000	cacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000	cacls.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1500	timeout.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Internet Explorer\New Windows\Allow	cacls.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\New Windows\Allow\www.hao774.com	cacls.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4172	8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632.exe
4172	8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632.exe
4172	8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632.exe
4172	8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632.exe
4172	8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632.exe
4172	8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632.exe
4172	8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632.exe
4172	8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632.exe
3188	Explorer.EXE
3188	Explorer.EXE
3188	Explorer.EXE
3188	Explorer.EXE
3188	Explorer.EXE
3188	Explorer.EXE
3188	Explorer.EXE
3188	Explorer.EXE
3188	Explorer.EXE
3188	Explorer.EXE
3188	Explorer.EXE
3188	Explorer.EXE
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3188	Explorer.EXE

Suspicious behavior: LoadsDriver 3 IoCs

pid	Process
664	Process not Found
664	Process not Found
664	Process not Found

Suspicious use of AdjustPrivilegeToken 16 IoCs

description	pid	Process
Token: SeDebugPrivilege	4172	8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632.exe
Token: SeTcbPrivilege	4172	8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632.exe
Token: SeDebugPrivilege	4172	8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632.exe
Token: SeDebugPrivilege	3188	Explorer.EXE
Token: SeTcbPrivilege	3188	Explorer.EXE
Token: SeDebugPrivilege	3188	Explorer.EXE
Token: SeDebugPrivilege	3188	Explorer.EXE
Token: SeDebugPrivilege	3188	Explorer.EXE
Token: SeDebugPrivilege	3188	Explorer.EXE
Token: SeIncBasePriorityPrivilege	4172	8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632.exe
Token: SeDebugPrivilege	1556	cacls.exe
Token: SeDebugPrivilege	1556	cacls.exe
Token: SeDebugPrivilege	1556	cacls.exe
Token: SeShutdownPrivilege	3188	Explorer.EXE
Token: SeCreatePagefilePrivilege	3188	Explorer.EXE
Token: SeDebugPrivilege	1556	cacls.exe

Suspicious use of FindShellTrayWindow 64 IoCs

pid	Process
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe
1556	cacls.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1556	cacls.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4172 wrote to memory of 3188	4172	8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632.exe	54
PID 4172 wrote to memory of 3188	4172	8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632.exe	54
PID 4172 wrote to memory of 3188	4172	8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632.exe	54
PID 3188 wrote to memory of 1556	3188	Explorer.EXE	81
PID 3188 wrote to memory of 1556	3188	Explorer.EXE	81
PID 3188 wrote to memory of 1556	3188	Explorer.EXE	81
PID 3188 wrote to memory of 1556	3188	Explorer.EXE	81
PID 3188 wrote to memory of 1556	3188	Explorer.EXE	81
PID 3188 wrote to memory of 1556	3188	Explorer.EXE	81
PID 3188 wrote to memory of 1556	3188	Explorer.EXE	81
PID 3188 wrote to memory of 620	3188	Explorer.EXE	5
PID 3188 wrote to memory of 620	3188	Explorer.EXE	5
PID 3188 wrote to memory of 620	3188	Explorer.EXE	5
PID 3188 wrote to memory of 620	3188	Explorer.EXE	5
PID 3188 wrote to memory of 620	3188	Explorer.EXE	5
PID 4172 wrote to memory of 2128	4172	8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632.exe	85
PID 4172 wrote to memory of 2128	4172	8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632.exe	85
PID 4172 wrote to memory of 2128	4172	8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632.exe	85
PID 2128 wrote to memory of 1500	2128	cmd.exe	87
PID 2128 wrote to memory of 1500	2128	cmd.exe	87
PID 2128 wrote to memory of 1500	2128	cmd.exe	87
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54
PID 1556 wrote to memory of 3188	1556	cacls.exe	54

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:620

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3188
- C:\Users\Admin\AppData\Local\Temp\8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632.exe
  "C:\Users\Admin\AppData\Local\Temp\8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632.exe"
  2⤵
  - Checks computer location settings
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4172
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c timeout /t 1 & del /Q /F "C:\Users\Admin\AppData\Local\Temp\8d897a12318ed5062905521ba39ea19860f08409b23cf085f5e3c622df840632.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2128
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 1
      4⤵
      Delays execution with timeout.exe
      PID:1500
- C:\cacls.exe
  "C:\cacls.exe"
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Checks SCSI registry key(s)
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\cacls.exe

Filesize
33KB

MD5
a353590e06c976809f14906746109758

SHA1
3e38480e52434f1e193d9c84b8bdc133c4bd10c2

SHA256
d6e40b4ed7c0bc8ac18b15d265ed2edab9efc260332ef0a98623f943be3a43fa

SHA512
54a884652032040acda5c3a78d258bbe50362f77f2a3a364a8819cf8263282fcb21e35d7293eb62202ea82e96b5994fd072356d310df3037bec6a61c221796a6

Download Submit
memory/620-65-0x0000017725450000-0x0000017725451000-memory.dmp

Filesize
4KB

Download
memory/620-27-0x0000017725410000-0x0000017725438000-memory.dmp

Filesize
160KB

Download
memory/1556-71-0x00000196D12A0000-0x00000196D12A1000-memory.dmp

Filesize
4KB

Download
memory/1556-72-0x00000196D12F0000-0x00000196D12F1000-memory.dmp

Filesize
4KB

Download
memory/1556-83-0x00000196D0E30000-0x00000196D0E31000-memory.dmp

Filesize
4KB

Download
memory/1556-82-0x00000196D0E30000-0x00000196D0E31000-memory.dmp

Filesize
4KB

Download
memory/1556-81-0x00000196D0E30000-0x00000196D0E31000-memory.dmp

Filesize
4KB

Download
memory/1556-80-0x00000196D1310000-0x00000196D132E000-memory.dmp

Filesize
120KB

Download
memory/1556-79-0x00000196D12F0000-0x00000196D12F1000-memory.dmp

Filesize
4KB

Download
memory/1556-78-0x00000196D12A0000-0x00000196D12A2000-memory.dmp

Filesize
8KB

Download
memory/1556-18-0x00000196CF490000-0x00000196CF55B000-memory.dmp

Filesize
812KB

Download
memory/1556-19-0x00000196CF490000-0x00000196CF55B000-memory.dmp

Filesize
812KB

Download
memory/1556-22-0x00007FFE34E00000-0x00007FFE34E10000-memory.dmp

Filesize
64KB

Download
memory/1556-21-0x00000196CF2F0000-0x00000196CF2F1000-memory.dmp

Filesize
4KB

Download
memory/1556-77-0x00000196D1640000-0x00000196D16E0000-memory.dmp

Filesize
640KB

Download
memory/1556-76-0x00000196D1310000-0x00000196D132E000-memory.dmp

Filesize
120KB

Download
memory/1556-75-0x00000196D12A0000-0x00000196D12A1000-memory.dmp

Filesize
4KB

Download
memory/1556-73-0x00000196D12C0000-0x00000196D12C1000-memory.dmp

Filesize
4KB

Download
memory/1556-74-0x00000196D12B0000-0x00000196D12B1000-memory.dmp

Filesize
4KB

Download
memory/1556-58-0x00007FFE34E00000-0x00007FFE34E10000-memory.dmp

Filesize
64KB

Download
memory/1556-62-0x00000196CF490000-0x00000196CF55B000-memory.dmp

Filesize
812KB

Download
memory/1556-69-0x00000196D1300000-0x00000196D130F000-memory.dmp

Filesize
60KB

Download
memory/1556-70-0x00000196D12A0000-0x00000196D12A2000-memory.dmp

Filesize
8KB

Download
memory/1556-64-0x00000196CF2F0000-0x00000196CF2F1000-memory.dmp

Filesize
4KB

Download
memory/1556-66-0x00000196D12A0000-0x00000196D12A1000-memory.dmp

Filesize
4KB

Download
memory/1556-67-0x00000196D1290000-0x00000196D1291000-memory.dmp

Filesize
4KB

Download
memory/1556-68-0x00000196D1640000-0x00000196D16E0000-memory.dmp

Filesize
640KB

Download
memory/1556-63-0x00000196D12A0000-0x00000196D12A1000-memory.dmp

Filesize
4KB

Download
memory/3188-7-0x00000000079C0000-0x0000000007A39000-memory.dmp

Filesize
484KB

Download
memory/3188-9-0x0000000005410000-0x0000000005413000-memory.dmp

Filesize
12KB

Download
memory/3188-6-0x0000000001220000-0x0000000001223000-memory.dmp

Filesize
12KB

Download
memory/3188-57-0x0000000007E30000-0x0000000007E31000-memory.dmp

Filesize
4KB

Download
memory/3188-47-0x0000000009A70000-0x0000000009B67000-memory.dmp

Filesize
988KB

Download
memory/3188-4-0x0000000001220000-0x0000000001223000-memory.dmp

Filesize
12KB

Download
memory/3188-3-0x0000000001220000-0x0000000001223000-memory.dmp

Filesize
12KB

Download
memory/3188-25-0x00000000079C0000-0x0000000007A39000-memory.dmp

Filesize
484KB

Download
memory/3188-12-0x0000000007E30000-0x0000000007E31000-memory.dmp

Filesize
4KB

Download
memory/3188-5-0x00000000079C0000-0x0000000007A39000-memory.dmp

Filesize
484KB

Download
memory/3188-11-0x0000000009A70000-0x0000000009B67000-memory.dmp

Filesize
988KB

Download
memory/4172-0-0x00000000004B0000-0x00000000005B2000-memory.dmp

Filesize
1.0MB

Download
memory/4172-17-0x00000000004B0000-0x00000000005B2000-memory.dmp

Filesize
1.0MB

Download
memory/4172-34-0x00000000004B0000-0x00000000005B2000-memory.dmp

Filesize
1.0MB

Download