49b7efb1991a15445d8eddb15bb505c901ccf00ed7dcad7e52b5681cb3ce890d

General

Target

49b7efb1991a15445d8eddb15bb505c901ccf00ed7dcad7e52b5681cb3ce890d.exe
Size

62KB
MD5

4292fd1e4dc085b603185752e948cf60
SHA1

bc435f0d906b8e7545eac548c1779b69ba83f1c1
SHA256

49b7efb1991a15445d8eddb15bb505c901ccf00ed7dcad7e52b5681cb3ce890d
SHA512

f81bce4769773c3fffe73407d4a62d42c5cc41294fe748c70a7b9148e12508c6267097b91323d982809e97dd72c59081853e1858cc99955a5c5985bf18c8a447
SSDEEP

768:MQiFq/HBQ/FuktI39dPOsB9kjI41E14grGe76g80MD7q/HBQQQOtZaO7X/RAaabu:DgquFSk3iMD7qVtzDR5aKiBlGKFCB

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3164 set thread context of 3784	3164	49b7efb1991a15445d8eddb15bb505c901ccf00ed7dcad7e52b5681cb3ce890d.exe	88

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2380	1824	WerFault.exe	89

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	49b7efb1991a15445d8eddb15bb505c901ccf00ed7dcad7e52b5681cb3ce890d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	49b7efb1991a15445d8eddb15bb505c901ccf00ed7dcad7e52b5681cb3ce890d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1824	winver.exe
1824	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3584	Explorer.EXE
Token: SeCreatePagefilePrivilege	3584	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1824	winver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3164	49b7efb1991a15445d8eddb15bb505c901ccf00ed7dcad7e52b5681cb3ce890d.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3584	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3164 wrote to memory of 3784	3164	49b7efb1991a15445d8eddb15bb505c901ccf00ed7dcad7e52b5681cb3ce890d.exe	88
PID 3164 wrote to memory of 3784	3164	49b7efb1991a15445d8eddb15bb505c901ccf00ed7dcad7e52b5681cb3ce890d.exe	88
PID 3164 wrote to memory of 3784	3164	49b7efb1991a15445d8eddb15bb505c901ccf00ed7dcad7e52b5681cb3ce890d.exe	88
PID 3164 wrote to memory of 3784	3164	49b7efb1991a15445d8eddb15bb505c901ccf00ed7dcad7e52b5681cb3ce890d.exe	88
PID 3164 wrote to memory of 3784	3164	49b7efb1991a15445d8eddb15bb505c901ccf00ed7dcad7e52b5681cb3ce890d.exe	88
PID 3164 wrote to memory of 3784	3164	49b7efb1991a15445d8eddb15bb505c901ccf00ed7dcad7e52b5681cb3ce890d.exe	88
PID 3784 wrote to memory of 1824	3784	49b7efb1991a15445d8eddb15bb505c901ccf00ed7dcad7e52b5681cb3ce890d.exe	89
PID 3784 wrote to memory of 1824	3784	49b7efb1991a15445d8eddb15bb505c901ccf00ed7dcad7e52b5681cb3ce890d.exe	89
PID 3784 wrote to memory of 1824	3784	49b7efb1991a15445d8eddb15bb505c901ccf00ed7dcad7e52b5681cb3ce890d.exe	89
PID 3784 wrote to memory of 1824	3784	49b7efb1991a15445d8eddb15bb505c901ccf00ed7dcad7e52b5681cb3ce890d.exe	89
PID 1824 wrote to memory of 3584	1824	winver.exe	56
PID 1824 wrote to memory of 2648	1824	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2648

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3584
- C:\Users\Admin\AppData\Local\Temp\49b7efb1991a15445d8eddb15bb505c901ccf00ed7dcad7e52b5681cb3ce890d.exe
  "C:\Users\Admin\AppData\Local\Temp\49b7efb1991a15445d8eddb15bb505c901ccf00ed7dcad7e52b5681cb3ce890d.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3164
- - C:\Users\Admin\AppData\Local\Temp\49b7efb1991a15445d8eddb15bb505c901ccf00ed7dcad7e52b5681cb3ce890d.exe
    "C:\Users\Admin\AppData\Local\Temp\49b7efb1991a15445d8eddb15bb505c901ccf00ed7dcad7e52b5681cb3ce890d.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3784
  - - 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:1824
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1824 -s 368
        5⤵
        Program crash
        
        PID:2380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1824 -ip 1824
1⤵
PID:2500

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/1824-8-0x0000000000E40000-0x0000000000E52000-memory.dmp

Filesize
72KB

Download
memory/1824-7-0x0000000000E41000-0x0000000000E42000-memory.dmp

Filesize
4KB

Download
memory/1824-4-0x0000000002270000-0x0000000002276000-memory.dmp

Filesize
24KB

Download
memory/1824-15-0x0000000002270000-0x0000000002276000-memory.dmp

Filesize
24KB

Download
memory/2648-13-0x0000000000D10000-0x0000000000D16000-memory.dmp

Filesize
24KB

Download
memory/2648-14-0x0000000000D10000-0x0000000000D16000-memory.dmp

Filesize
24KB

Download
memory/3584-10-0x00007FF829ACD000-0x00007FF829ACE000-memory.dmp

Filesize
4KB

Download
memory/3584-9-0x0000000002F40000-0x0000000002F46000-memory.dmp

Filesize
24KB

Download
memory/3584-3-0x0000000002F40000-0x0000000002F46000-memory.dmp

Filesize
24KB

Download
memory/3584-17-0x00007FF829C60000-0x00007FF829C61000-memory.dmp

Filesize
4KB

Download
memory/3784-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download

Analysis

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