e74e13172900c89e199407d71c3fcebde8dd078467fd07bd1647dabc4736999b

Analysis

max time kernel
120s
max time network
35s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
03/09/2024, 17:38

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General

Target

c92763b28eb991968d6ac07f761c2150N.exe
Size

144KB
MD5

c92763b28eb991968d6ac07f761c2150
SHA1

5a892496b158fa89168f2a2282df6d6827452a76
SHA256

e74e13172900c89e199407d71c3fcebde8dd078467fd07bd1647dabc4736999b
SHA512

45d57727c4ad482878296ba26e33a70c1257fbdaf2035ddf6fc9a91460161cb16a8481965f9320e3f5df3228dada9112650ea8eea7c065e913a581d928d4e839
SSDEEP

3072:l5SVkkgUgXC7AdYzrV+Dljy/32ubwZ/qJ:SUFCkdYzrVolu/J0Z/

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
1292	WindowsService.exe
2852	WindowsService.exe
2172	WindowsService.exe

Loads dropped DLL 5 IoCs

pid	Process
2812	c92763b28eb991968d6ac07f761c2150N.exe
2812	c92763b28eb991968d6ac07f761c2150N.exe
2812	c92763b28eb991968d6ac07f761c2150N.exe
2812	c92763b28eb991968d6ac07f761c2150N.exe
2812	c92763b28eb991968d6ac07f761c2150N.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2812-446-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2812-442-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2812-487-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2852-1008-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2812-1036-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2852-1039-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\sidebar = "C:\\Users\\Admin\\AppData\\Roaming\\SystemWindows\\WindowsService.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2932 set thread context of 2812	2932	c92763b28eb991968d6ac07f761c2150N.exe	31
PID 1292 set thread context of 2852	1292	WindowsService.exe	36
PID 1292 set thread context of 2172	1292	WindowsService.exe	37

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 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	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WindowsService.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WindowsService.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WindowsService.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c92763b28eb991968d6ac07f761c2150N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c92763b28eb991968d6ac07f761c2150N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe
Token: SeDebugPrivilege	2852	WindowsService.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2932	c92763b28eb991968d6ac07f761c2150N.exe
2812	c92763b28eb991968d6ac07f761c2150N.exe
1292	WindowsService.exe
2852	WindowsService.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2812	2932	c92763b28eb991968d6ac07f761c2150N.exe	31
PID 2932 wrote to memory of 2812	2932	c92763b28eb991968d6ac07f761c2150N.exe	31
PID 2932 wrote to memory of 2812	2932	c92763b28eb991968d6ac07f761c2150N.exe	31
PID 2932 wrote to memory of 2812	2932	c92763b28eb991968d6ac07f761c2150N.exe	31
PID 2932 wrote to memory of 2812	2932	c92763b28eb991968d6ac07f761c2150N.exe	31
PID 2932 wrote to memory of 2812	2932	c92763b28eb991968d6ac07f761c2150N.exe	31
PID 2932 wrote to memory of 2812	2932	c92763b28eb991968d6ac07f761c2150N.exe	31
PID 2932 wrote to memory of 2812	2932	c92763b28eb991968d6ac07f761c2150N.exe	31
PID 2812 wrote to memory of 1308	2812	c92763b28eb991968d6ac07f761c2150N.exe	32
PID 2812 wrote to memory of 1308	2812	c92763b28eb991968d6ac07f761c2150N.exe	32
PID 2812 wrote to memory of 1308	2812	c92763b28eb991968d6ac07f761c2150N.exe	32
PID 2812 wrote to memory of 1308	2812	c92763b28eb991968d6ac07f761c2150N.exe	32
PID 1308 wrote to memory of 2892	1308	cmd.exe	34
PID 1308 wrote to memory of 2892	1308	cmd.exe	34
PID 1308 wrote to memory of 2892	1308	cmd.exe	34
PID 1308 wrote to memory of 2892	1308	cmd.exe	34
PID 2812 wrote to memory of 1292	2812	c92763b28eb991968d6ac07f761c2150N.exe	35
PID 2812 wrote to memory of 1292	2812	c92763b28eb991968d6ac07f761c2150N.exe	35
PID 2812 wrote to memory of 1292	2812	c92763b28eb991968d6ac07f761c2150N.exe	35
PID 2812 wrote to memory of 1292	2812	c92763b28eb991968d6ac07f761c2150N.exe	35
PID 1292 wrote to memory of 2852	1292	WindowsService.exe	36
PID 1292 wrote to memory of 2852	1292	WindowsService.exe	36
PID 1292 wrote to memory of 2852	1292	WindowsService.exe	36
PID 1292 wrote to memory of 2852	1292	WindowsService.exe	36
PID 1292 wrote to memory of 2852	1292	WindowsService.exe	36
PID 1292 wrote to memory of 2852	1292	WindowsService.exe	36
PID 1292 wrote to memory of 2852	1292	WindowsService.exe	36
PID 1292 wrote to memory of 2852	1292	WindowsService.exe	36
PID 1292 wrote to memory of 2172	1292	WindowsService.exe	37
PID 1292 wrote to memory of 2172	1292	WindowsService.exe	37
PID 1292 wrote to memory of 2172	1292	WindowsService.exe	37
PID 1292 wrote to memory of 2172	1292	WindowsService.exe	37
PID 1292 wrote to memory of 2172	1292	WindowsService.exe	37
PID 1292 wrote to memory of 2172	1292	WindowsService.exe	37
PID 1292 wrote to memory of 2172	1292	WindowsService.exe	37
PID 1292 wrote to memory of 2172	1292	WindowsService.exe	37
PID 1292 wrote to memory of 2172	1292	WindowsService.exe	37
PID 1292 wrote to memory of 2172	1292	WindowsService.exe	37
PID 1292 wrote to memory of 2172	1292	WindowsService.exe	37
PID 1292 wrote to memory of 2172	1292	WindowsService.exe	37
PID 1292 wrote to memory of 2172	1292	WindowsService.exe	37

C:\Users\Admin\AppData\Local\Temp\c92763b28eb991968d6ac07f761c2150N.exe
"C:\Users\Admin\AppData\Local\Temp\c92763b28eb991968d6ac07f761c2150N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Users\Admin\AppData\Local\Temp\c92763b28eb991968d6ac07f761c2150N.exe
  "C:\Users\Admin\AppData\Local\Temp\c92763b28eb991968d6ac07f761c2150N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2812
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\UTFNF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1308
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "sidebar" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:2892
- - C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe
    "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1292
  - - C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe
      "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2852
  - - C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe
      "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:2172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\UTFNF.bat

Filesize
157B

MD5
f6a90c20834f271a907a4e2bc28184c2

SHA1
36c9d1602b74f622346fbb22693597d7889df48d

SHA256
73f29cd953eee40cea4de67842556ffd96efe8094a6a9b70f33a35df2582febd

SHA512
39cabae19fe1faa37455e4bd242c868be60d6252b07f01224b3f7501c3cf734e503300b840d83381a452707cab6df2f95f920655884be56d4024676b26943804

Download Submit
\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe

Filesize
144KB

MD5
6aa9754ca4aca61dd38663bdb8279150

SHA1
a13f6deb15e3dcd3f9184501a8cb33f6fb8533cc

SHA256
ce41d42414c3aca7821887efd21b5ecf8d7007c522b501069b3c199f01d2bccd

SHA512
3634fdfb73d8a504d9a6c441f45624d6d859b6601ae5f2556a880abe8f90211a0fb78740a655cb14c438256270240c539b16e8d3bdd604e1553c525b84debf46

Download Submit
memory/2812-446-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2812-442-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2812-487-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2812-1036-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2852-1008-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2852-1039-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2932-2-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2932-126-0x00000000007F0000-0x00000000007F1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads