ff72623ff0898ab1ffae60e39ca079b01fb32a2be47eadeab57ea2c09cf80d7c

General

Target

ff72623ff0898ab1ffae60e39ca079b01fb32a2be47eadeab57ea2c09cf80d7cN.exe
Size

54KB
MD5

7381b9c7d9bd5949002117b9b65f8bc0
SHA1

e0c787e9c5fccb20c5610c9a20b52e4d338b3870
SHA256

ff72623ff0898ab1ffae60e39ca079b01fb32a2be47eadeab57ea2c09cf80d7c
SHA512

49066db9c74645607b839b7b43b87ff80f0c5f2863f5d025c57bf94eaca7eb03faa317fffdad1121560807aca9929ec9dd5da38d2c5a5804aecb662f076f16a9
SSDEEP

768:s3CCRtWM5usSRJDTlLTOpJiqRZNoCRtxihG1gfFNsHWP4jBS:85tPusSRJDTlLTOpJiaDjts4gfFi2+A

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1864 set thread context of 2604	1864	ff72623ff0898ab1ffae60e39ca079b01fb32a2be47eadeab57ea2c09cf80d7cN.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4208	828	WerFault.exe	83

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ff72623ff0898ab1ffae60e39ca079b01fb32a2be47eadeab57ea2c09cf80d7cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ff72623ff0898ab1ffae60e39ca079b01fb32a2be47eadeab57ea2c09cf80d7cN.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
828	winver.exe
828	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3624	Explorer.EXE
Token: SeCreatePagefilePrivilege	3624	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
828	winver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1864	ff72623ff0898ab1ffae60e39ca079b01fb32a2be47eadeab57ea2c09cf80d7cN.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1864 wrote to memory of 2604	1864	ff72623ff0898ab1ffae60e39ca079b01fb32a2be47eadeab57ea2c09cf80d7cN.exe	82
PID 1864 wrote to memory of 2604	1864	ff72623ff0898ab1ffae60e39ca079b01fb32a2be47eadeab57ea2c09cf80d7cN.exe	82
PID 1864 wrote to memory of 2604	1864	ff72623ff0898ab1ffae60e39ca079b01fb32a2be47eadeab57ea2c09cf80d7cN.exe	82
PID 1864 wrote to memory of 2604	1864	ff72623ff0898ab1ffae60e39ca079b01fb32a2be47eadeab57ea2c09cf80d7cN.exe	82
PID 1864 wrote to memory of 2604	1864	ff72623ff0898ab1ffae60e39ca079b01fb32a2be47eadeab57ea2c09cf80d7cN.exe	82
PID 1864 wrote to memory of 2604	1864	ff72623ff0898ab1ffae60e39ca079b01fb32a2be47eadeab57ea2c09cf80d7cN.exe	82
PID 2604 wrote to memory of 828	2604	ff72623ff0898ab1ffae60e39ca079b01fb32a2be47eadeab57ea2c09cf80d7cN.exe	83
PID 2604 wrote to memory of 828	2604	ff72623ff0898ab1ffae60e39ca079b01fb32a2be47eadeab57ea2c09cf80d7cN.exe	83
PID 2604 wrote to memory of 828	2604	ff72623ff0898ab1ffae60e39ca079b01fb32a2be47eadeab57ea2c09cf80d7cN.exe	83
PID 2604 wrote to memory of 828	2604	ff72623ff0898ab1ffae60e39ca079b01fb32a2be47eadeab57ea2c09cf80d7cN.exe	83
PID 828 wrote to memory of 3624	828	winver.exe	56
PID 828 wrote to memory of 2688	828	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2688

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3624
- C:\Users\Admin\AppData\Local\Temp\ff72623ff0898ab1ffae60e39ca079b01fb32a2be47eadeab57ea2c09cf80d7cN.exe
  "C:\Users\Admin\AppData\Local\Temp\ff72623ff0898ab1ffae60e39ca079b01fb32a2be47eadeab57ea2c09cf80d7cN.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1864
- - C:\Users\Admin\AppData\Local\Temp\ff72623ff0898ab1ffae60e39ca079b01fb32a2be47eadeab57ea2c09cf80d7cN.exe
    "C:\Users\Admin\AppData\Local\Temp\ff72623ff0898ab1ffae60e39ca079b01fb32a2be47eadeab57ea2c09cf80d7cN.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2604
  - - 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:828
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 828 -s 388
        5⤵
        Program crash
        
        PID:4208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 828 -ip 828
1⤵
PID:4536

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/828-4-0x0000000002380000-0x0000000002386000-memory.dmp

Filesize
24KB

Download
memory/828-8-0x0000000077AA2000-0x0000000077AA3000-memory.dmp

Filesize
4KB

Download
memory/828-6-0x0000000002380000-0x0000000002386000-memory.dmp

Filesize
24KB

Download
memory/828-15-0x0000000002380000-0x0000000002386000-memory.dmp

Filesize
24KB

Download
memory/2604-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2688-13-0x0000000000B20000-0x0000000000B26000-memory.dmp

Filesize
24KB

Download
memory/2688-14-0x0000000000B20000-0x0000000000B26000-memory.dmp

Filesize
24KB

Download
memory/3624-3-0x0000000000E60000-0x0000000000E66000-memory.dmp

Filesize
24KB

Download
memory/3624-10-0x00007FFC4548D000-0x00007FFC4548E000-memory.dmp

Filesize
4KB

Download
memory/3624-9-0x0000000000E60000-0x0000000000E66000-memory.dmp

Filesize
24KB

Download

Analysis

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