1a53b63b8eea383ada31e8d4fc8026274a6d07284fecb10a55a9bf8a1271464c

General

Target

1a53b63b8eea383ada31e8d4fc8026274a6d07284fecb10a55a9bf8a1271464c.exe
Size

54KB
MD5

c45e6f1cc54a6e2e47ad4c508717fab8
SHA1

0c3580c57e65d406e8c6d50605523425e5e52a17
SHA256

1a53b63b8eea383ada31e8d4fc8026274a6d07284fecb10a55a9bf8a1271464c
SHA512

3eea4cbfc7697a904d10bcb4680ce17dc7f28e1cf4d8ee66c3e79148db31008fd1ed500a4fc62faaae31bf4527cc274949a4f70003420013fd13175f35896451
SSDEEP

768:v3CCRtWM5usSRJDTlLTOpJiqRZNoCRtxihG1gfFNsHWP4jBS:f5tPusSRJDTlLTOpJiaDjts4gfFi2+A

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1840 set thread context of 3288	1840	1a53b63b8eea383ada31e8d4fc8026274a6d07284fecb10a55a9bf8a1271464c.exe	87

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3552	4284	WerFault.exe	88

System Location Discovery: System Language Discovery 1 TTPs 3 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	1a53b63b8eea383ada31e8d4fc8026274a6d07284fecb10a55a9bf8a1271464c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1a53b63b8eea383ada31e8d4fc8026274a6d07284fecb10a55a9bf8a1271464c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4284	winver.exe
4284	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3464	Explorer.EXE
Token: SeCreatePagefilePrivilege	3464	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4284	winver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1840	1a53b63b8eea383ada31e8d4fc8026274a6d07284fecb10a55a9bf8a1271464c.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3464	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1840 wrote to memory of 3288	1840	1a53b63b8eea383ada31e8d4fc8026274a6d07284fecb10a55a9bf8a1271464c.exe	87
PID 1840 wrote to memory of 3288	1840	1a53b63b8eea383ada31e8d4fc8026274a6d07284fecb10a55a9bf8a1271464c.exe	87
PID 1840 wrote to memory of 3288	1840	1a53b63b8eea383ada31e8d4fc8026274a6d07284fecb10a55a9bf8a1271464c.exe	87
PID 1840 wrote to memory of 3288	1840	1a53b63b8eea383ada31e8d4fc8026274a6d07284fecb10a55a9bf8a1271464c.exe	87
PID 1840 wrote to memory of 3288	1840	1a53b63b8eea383ada31e8d4fc8026274a6d07284fecb10a55a9bf8a1271464c.exe	87
PID 1840 wrote to memory of 3288	1840	1a53b63b8eea383ada31e8d4fc8026274a6d07284fecb10a55a9bf8a1271464c.exe	87
PID 3288 wrote to memory of 4284	3288	1a53b63b8eea383ada31e8d4fc8026274a6d07284fecb10a55a9bf8a1271464c.exe	88
PID 3288 wrote to memory of 4284	3288	1a53b63b8eea383ada31e8d4fc8026274a6d07284fecb10a55a9bf8a1271464c.exe	88
PID 3288 wrote to memory of 4284	3288	1a53b63b8eea383ada31e8d4fc8026274a6d07284fecb10a55a9bf8a1271464c.exe	88
PID 3288 wrote to memory of 4284	3288	1a53b63b8eea383ada31e8d4fc8026274a6d07284fecb10a55a9bf8a1271464c.exe	88
PID 4284 wrote to memory of 3464	4284	winver.exe	55
PID 4284 wrote to memory of 2552	4284	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2552

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3464
- C:\Users\Admin\AppData\Local\Temp\1a53b63b8eea383ada31e8d4fc8026274a6d07284fecb10a55a9bf8a1271464c.exe
  "C:\Users\Admin\AppData\Local\Temp\1a53b63b8eea383ada31e8d4fc8026274a6d07284fecb10a55a9bf8a1271464c.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1840
- - C:\Users\Admin\AppData\Local\Temp\1a53b63b8eea383ada31e8d4fc8026274a6d07284fecb10a55a9bf8a1271464c.exe
    "C:\Users\Admin\AppData\Local\Temp\1a53b63b8eea383ada31e8d4fc8026274a6d07284fecb10a55a9bf8a1271464c.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3288
  - - C:\Windows\SysWOW64\winver.exe
      winver
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:4284
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4284 -s 396
        5⤵
        Program crash
        
        PID:3552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4284 -ip 4284
1⤵
PID:3804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2552-14-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/2552-15-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/3288-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3464-3-0x0000000002720000-0x0000000002726000-memory.dmp

Filesize
24KB

Download
memory/3464-10-0x00007FFBB336D000-0x00007FFBB336E000-memory.dmp

Filesize
4KB

Download
memory/3464-9-0x0000000002720000-0x0000000002726000-memory.dmp

Filesize
24KB

Download
memory/3464-11-0x00007FFBB3500000-0x00007FFBB3501000-memory.dmp

Filesize
4KB

Download
memory/4284-8-0x0000000077452000-0x0000000077453000-memory.dmp

Filesize
4KB

Download
memory/4284-7-0x00000000022D0000-0x00000000022D6000-memory.dmp

Filesize
24KB

Download
memory/4284-4-0x00000000022D0000-0x00000000022D6000-memory.dmp

Filesize
24KB

Download
memory/4284-16-0x00000000022D0000-0x00000000022D6000-memory.dmp

Filesize
24KB

Download

Analysis

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