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
4232	3128	WerFault.exe	102
820	4936	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
4936	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe
4936	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3360	Explorer.EXE
Token: SeCreatePagefilePrivilege	3360	Explorer.EXE
Token: SeShutdownPrivilege	3360	Explorer.EXE
Token: SeCreatePagefilePrivilege	3360	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3128	winver.exe
4936	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3360	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4936 wrote to memory of 3128	4936	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe	102
PID 4936 wrote to memory of 3128	4936	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe	102
PID 4936 wrote to memory of 3128	4936	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe	102
PID 4936 wrote to memory of 3128	4936	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe	102
PID 3128 wrote to memory of 3360	3128	winver.exe	56
PID 4936 wrote to memory of 3360	4936	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe	56
PID 4936 wrote to memory of 2976	4936	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2976

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3360
- 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:4936
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3128
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3128 -s 300
      4⤵
      Program crash
      PID:4232
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 888
    3⤵
    - Program crash
    PID:820

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3128 -ip 3128
1⤵
PID:2520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4936 -ip 4936
1⤵
PID:4996

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/2976-21-0x0000000000970000-0x0000000000976000-memory.dmp

Filesize
24KB

Download
memory/2976-15-0x0000000000970000-0x0000000000976000-memory.dmp

Filesize
24KB

Download
memory/3360-7-0x0000000001050000-0x0000000001056000-memory.dmp

Filesize
24KB

Download
memory/3360-13-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/3360-8-0x0000000001050000-0x0000000001056000-memory.dmp

Filesize
24KB

Download
memory/4936-1-0x0000000004530000-0x0000000004B88000-memory.dmp

Filesize
6.3MB

Download
memory/4936-5-0x0000000003E40000-0x0000000003E41000-memory.dmp

Filesize
4KB

Download
memory/4936-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4936-4-0x0000000004530000-0x0000000004B88000-memory.dmp

Filesize
6.3MB

Download
memory/4936-14-0x0000000005740000-0x0000000006140000-memory.dmp

Filesize
10.0MB

Download
memory/4936-2-0x0000000003E40000-0x0000000003E41000-memory.dmp

Filesize
4KB

Download
memory/4936-16-0x0000000005740000-0x0000000006140000-memory.dmp

Filesize
10.0MB

Download
memory/4936-20-0x0000000004530000-0x0000000004B88000-memory.dmp

Filesize
6.3MB

Download
memory/4936-3-0x0000000003E40000-0x0000000003E41000-memory.dmp

Filesize
4KB

Download

Analysis

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