b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70

General

Target

b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe
Size

112KB
MD5

dc44464edda6fe8cda58153734080dfc
SHA1

762391595db2c2de81832cc8f3914e6b905bd546
SHA256

b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70
SHA512

446243302a9cd8039f7be571dda6608275e6a41159c732e13a70e9b7da2698ac238e959a3430df8fa9be2de31b3babc4802cd9a2c7fc4e252c19fc9e22c07238
SSDEEP

3072:/afe8iokAMMKzU2YAPNAQxxlNk3Um/u1hp13JeoSG:/afviokAMMohe3UmG1hpeoSG

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4616 set thread context of 2620	4616	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2376	4584	WerFault.exe	86

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	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4616	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe
4616	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe
4616	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe
4616	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe
4584	winver.exe
4584	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3556	Explorer.EXE
Token: SeCreatePagefilePrivilege	3556	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4584	winver.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4616	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe
4616	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3556	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4616 wrote to memory of 2620	4616	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	85
PID 4616 wrote to memory of 2620	4616	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	85
PID 4616 wrote to memory of 2620	4616	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	85
PID 4616 wrote to memory of 2620	4616	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	85
PID 4616 wrote to memory of 2620	4616	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	85
PID 4616 wrote to memory of 2620	4616	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	85
PID 4616 wrote to memory of 2620	4616	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	85
PID 2620 wrote to memory of 4584	2620	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	86
PID 2620 wrote to memory of 4584	2620	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	86
PID 2620 wrote to memory of 4584	2620	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	86
PID 2620 wrote to memory of 4584	2620	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	86
PID 4584 wrote to memory of 3556	4584	winver.exe	56
PID 4584 wrote to memory of 2672	4584	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2672

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3556
- C:\Users\Admin\AppData\Local\Temp\b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe
  "C:\Users\Admin\AppData\Local\Temp\b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4616
- - C:\Users\Admin\AppData\Local\Temp\b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe
    C:\Users\Admin\AppData\Local\Temp\b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2620
  - - 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:4584
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4584 -s 368
        5⤵
        Program crash
        
        PID:2376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4584 -ip 4584
1⤵
PID:444

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

Loading Replay Monitor...

Downloads

memory/2620-6-0x0000000000400000-0x0000000000404400-memory.dmp

Filesize
17KB

Download
memory/2620-1-0x0000000000400000-0x000000000149A000-memory.dmp

Filesize
16.6MB

Download
memory/2672-15-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/2672-14-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/3556-11-0x00007FFD7B980000-0x00007FFD7B981000-memory.dmp

Filesize
4KB

Download
memory/3556-2-0x00000000028B0000-0x00000000028B6000-memory.dmp

Filesize
24KB

Download
memory/3556-8-0x00000000028B0000-0x00000000028B6000-memory.dmp

Filesize
24KB

Download
memory/3556-9-0x00007FFD7B7ED000-0x00007FFD7B7EE000-memory.dmp

Filesize
4KB

Download
memory/4584-7-0x0000000077D22000-0x0000000077D23000-memory.dmp

Filesize
4KB

Download
memory/4584-3-0x0000000000BE0000-0x0000000000BE6000-memory.dmp

Filesize
24KB

Download
memory/4584-10-0x00007FFD7B750000-0x00007FFD7B945000-memory.dmp

Filesize
2.0MB

Download
memory/4584-16-0x0000000000BE0000-0x0000000000BE6000-memory.dmp

Filesize
24KB

Download
memory/4616-0-0x0000000002270000-0x0000000002274000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing