4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8

General

Target

4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe
Size

225KB
MD5

76e52ff165c2e1f9a55a715072df093b
SHA1

24848bbbdab9b669311d35fd3fb7d995afc4bbb5
SHA256

4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8
SHA512

9a3827174aaa394413d1a288d9df5b15bcf9661620033401b707e71307d1fd18dc7b7effee7f345310b88ec13c31e5337394c56a6652259ff38c37c6041601ac
SSDEEP

6144:DA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:DATuTAnKGwUAW3ycQqgf

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
3556	2372	WerFault.exe	103
3120	3932	WerFault.exe	83

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	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.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
3932	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe
3932	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3416	Explorer.EXE
Token: SeCreatePagefilePrivilege	3416	Explorer.EXE
Token: SeShutdownPrivilege	3416	Explorer.EXE
Token: SeCreatePagefilePrivilege	3416	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2372	winver.exe
3932	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3416	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3932 wrote to memory of 2372	3932	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe	103
PID 3932 wrote to memory of 2372	3932	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe	103
PID 3932 wrote to memory of 2372	3932	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe	103
PID 3932 wrote to memory of 2372	3932	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe	103
PID 2372 wrote to memory of 3416	2372	winver.exe	56
PID 3932 wrote to memory of 3416	3932	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe	56
PID 3932 wrote to memory of 2588	3932	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2588

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3416
- C:\Users\Admin\AppData\Local\Temp\4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe
  "C:\Users\Admin\AppData\Local\Temp\4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3932
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2372
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 300
      4⤵
      Program crash
      PID:3556
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 924
    3⤵
    - Program crash
    PID:3120

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 2372 -ip 2372
1⤵
PID:3536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3932 -ip 3932
1⤵
PID:1908

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/2588-22-0x0000000000920000-0x0000000000926000-memory.dmp

Filesize
24KB

Download
memory/2588-16-0x0000000000920000-0x0000000000926000-memory.dmp

Filesize
24KB

Download
memory/3416-9-0x0000000003260000-0x0000000003266000-memory.dmp

Filesize
24KB

Download
memory/3416-14-0x0000000003270000-0x0000000003276000-memory.dmp

Filesize
24KB

Download
memory/3416-8-0x0000000003260000-0x0000000003266000-memory.dmp

Filesize
24KB

Download
memory/3932-4-0x0000000003D60000-0x0000000003D61000-memory.dmp

Filesize
4KB

Download
memory/3932-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3932-5-0x0000000003D60000-0x0000000003D61000-memory.dmp

Filesize
4KB

Download
memory/3932-1-0x00000000045A0000-0x0000000004BF8000-memory.dmp

Filesize
6.3MB

Download
memory/3932-15-0x00000000057B0000-0x00000000061B0000-memory.dmp

Filesize
10.0MB

Download
memory/3932-3-0x00000000045A0000-0x0000000004BF8000-memory.dmp

Filesize
6.3MB

Download
memory/3932-18-0x00000000057B0000-0x00000000061B0000-memory.dmp

Filesize
10.0MB

Download
memory/3932-21-0x00000000045A0000-0x0000000004BF8000-memory.dmp

Filesize
6.3MB

Download
memory/3932-19-0x00000000045A0000-0x00000000056A2000-memory.dmp

Filesize
17.0MB

Download
memory/3932-2-0x0000000003D60000-0x0000000003D61000-memory.dmp

Filesize
4KB

Download

Analysis

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