a567d12975080d8aae89f8ac4c1fcf4147b9e6cca4bfae9ea9ff913f38468ccd

General

Target

a567d12975080d8aae89f8ac4c1fcf4147b9e6cca4bfae9ea9ff913f38468ccdN.exe
Size

225KB
MD5

8e05ab547a14ba9ab00645620722a820
SHA1

1c0ccb5b7e5efccf23b6d43aa8515b9593a2f1e6
SHA256

a567d12975080d8aae89f8ac4c1fcf4147b9e6cca4bfae9ea9ff913f38468ccd
SHA512

a93281d3527fccf6c64c499a2dfcdaf0e0cbf084912728a0dd7f074edae9b6472d5ec8369eb02c89030bfb6cc85d127827ea795b73f81a0a8c81f5b60d508d58
SSDEEP

6144:dA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:dATuTAnKGwUAW3ycQqgd

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3244	4724	WerFault.exe	104
2296	4864	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 2 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	a567d12975080d8aae89f8ac4c1fcf4147b9e6cca4bfae9ea9ff913f38468ccdN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client"	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4864	a567d12975080d8aae89f8ac4c1fcf4147b9e6cca4bfae9ea9ff913f38468ccdN.exe
4864	a567d12975080d8aae89f8ac4c1fcf4147b9e6cca4bfae9ea9ff913f38468ccdN.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4724	winver.exe
4864	a567d12975080d8aae89f8ac4c1fcf4147b9e6cca4bfae9ea9ff913f38468ccdN.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 4724	4864	a567d12975080d8aae89f8ac4c1fcf4147b9e6cca4bfae9ea9ff913f38468ccdN.exe	104
PID 4864 wrote to memory of 4724	4864	a567d12975080d8aae89f8ac4c1fcf4147b9e6cca4bfae9ea9ff913f38468ccdN.exe	104
PID 4864 wrote to memory of 4724	4864	a567d12975080d8aae89f8ac4c1fcf4147b9e6cca4bfae9ea9ff913f38468ccdN.exe	104
PID 4864 wrote to memory of 4724	4864	a567d12975080d8aae89f8ac4c1fcf4147b9e6cca4bfae9ea9ff913f38468ccdN.exe	104
PID 4724 wrote to memory of 3528	4724	winver.exe	56
PID 4864 wrote to memory of 3528	4864	a567d12975080d8aae89f8ac4c1fcf4147b9e6cca4bfae9ea9ff913f38468ccdN.exe	56
PID 4864 wrote to memory of 2640	4864	a567d12975080d8aae89f8ac4c1fcf4147b9e6cca4bfae9ea9ff913f38468ccdN.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2640

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3528
- C:\Users\Admin\AppData\Local\Temp\a567d12975080d8aae89f8ac4c1fcf4147b9e6cca4bfae9ea9ff913f38468ccdN.exe
  "C:\Users\Admin\AppData\Local\Temp\a567d12975080d8aae89f8ac4c1fcf4147b9e6cca4bfae9ea9ff913f38468ccdN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4864
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4724
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4724 -s 300
      4⤵
      Program crash
      PID:3244
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4864 -s 884
    3⤵
    - Program crash
    PID:2296

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4724 -ip 4724
1⤵
PID:4760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4864 -ip 4864
1⤵
PID:2748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

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/2640-21-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/2640-15-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/3528-7-0x0000000000D70000-0x0000000000D76000-memory.dmp

Filesize
24KB

Download
memory/3528-12-0x0000000000D80000-0x0000000000D86000-memory.dmp

Filesize
24KB

Download
memory/3528-6-0x0000000000D70000-0x0000000000D76000-memory.dmp

Filesize
24KB

Download
memory/4864-4-0x0000000004580000-0x0000000004BD8000-memory.dmp

Filesize
6.3MB

Download
memory/4864-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4864-1-0x0000000004580000-0x0000000004BD8000-memory.dmp

Filesize
6.3MB

Download
memory/4864-11-0x0000000005A90000-0x0000000006490000-memory.dmp

Filesize
10.0MB

Download
memory/4864-3-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download
memory/4864-17-0x0000000005A90000-0x0000000006490000-memory.dmp

Filesize
10.0MB

Download
memory/4864-20-0x0000000004580000-0x0000000004BD8000-memory.dmp

Filesize
6.3MB

Download
memory/4864-2-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download

Analysis

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