85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387

General

Target

85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe
Size

54KB
MD5

1c27b76ae6c28e20db87238b8974388d
SHA1

e05c88fb097526e8db7ff7c2e336110018bb3c57
SHA256

85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387
SHA512

26bad0d30d4670e91b9421b0774a65c1b1a25de29b626cd1f0b6f6e36070dd7715ff70b60b1919145a8525f01d2cc7fba501b0f4a90e94beb5288514b2694ba0
SSDEEP

768:s3CCRtWM5usSRJDTlLTOpJiqRZNoCRtxihG1gfFNsHWP4jBC:85tPusSRJDTlLTOpJiaDjts4gfFi2+g

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 720 set thread context of 4200	720	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3524	2444	WerFault.exe	84

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	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2444	winver.exe
2444	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2444	winver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
720	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 720 wrote to memory of 4200	720	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe	83
PID 720 wrote to memory of 4200	720	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe	83
PID 720 wrote to memory of 4200	720	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe	83
PID 720 wrote to memory of 4200	720	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe	83
PID 720 wrote to memory of 4200	720	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe	83
PID 720 wrote to memory of 4200	720	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe	83
PID 4200 wrote to memory of 2444	4200	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe	84
PID 4200 wrote to memory of 2444	4200	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe	84
PID 4200 wrote to memory of 2444	4200	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe	84
PID 4200 wrote to memory of 2444	4200	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe	84
PID 2444 wrote to memory of 3504	2444	winver.exe	56
PID 2444 wrote to memory of 2828	2444	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2828

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3504
- C:\Users\Admin\AppData\Local\Temp\85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe
  "C:\Users\Admin\AppData\Local\Temp\85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:720
- - C:\Users\Admin\AppData\Local\Temp\85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe
    "C:\Users\Admin\AppData\Local\Temp\85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4200
  - - 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:2444
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2444 -s 388
        5⤵
        Program crash
        
        PID:3524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2444 -ip 2444
1⤵
PID:2128

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/2444-4-0x00000000027C0000-0x00000000027C6000-memory.dmp

Filesize
24KB

Download
memory/2444-10-0x0000000076F52000-0x0000000076F53000-memory.dmp

Filesize
4KB

Download
memory/2444-8-0x0000000000790000-0x00000000007A2000-memory.dmp

Filesize
72KB

Download
memory/2444-7-0x0000000000791000-0x0000000000792000-memory.dmp

Filesize
4KB

Download
memory/2444-16-0x00000000027C0000-0x00000000027C6000-memory.dmp

Filesize
24KB

Download
memory/2828-14-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2828-15-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2828-18-0x00007FFCE0830000-0x00007FFCE0831000-memory.dmp

Filesize
4KB

Download
memory/3504-3-0x0000000002A60000-0x0000000002A66000-memory.dmp

Filesize
24KB

Download
memory/3504-11-0x00007FFCE06AD000-0x00007FFCE06AE000-memory.dmp

Filesize
4KB

Download
memory/3504-9-0x0000000002A60000-0x0000000002A66000-memory.dmp

Filesize
24KB

Download
memory/4200-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download

Analysis

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