4721eaa3413c1a9ee6d0b038139772700aeefeb3125387c69ba6025497614b56

General

Target

4721eaa3413c1a9ee6d0b038139772700aeefeb3125387c69ba6025497614b56.exe
Size

237KB
MD5

6ec0a18e84bb771337b6bd67dd5d1b83
SHA1

eab8226c58f617685758f042cc47dc6e85ded4da
SHA256

4721eaa3413c1a9ee6d0b038139772700aeefeb3125387c69ba6025497614b56
SHA512

08b46146cde7ddbbea603ff79f1d24b75351b1d8094b989c72fdecae45bbc2178022deded91b2b4d62a0ada40c2800aadd44bb3d81c22e06de6b063f661f568f
SSDEEP

6144:hA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYA:hATuTAnKGwUAWVycQqgx

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
1848	1428	WerFault.exe	93
4012	3460	WerFault.exe	81

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	4721eaa3413c1a9ee6d0b038139772700aeefeb3125387c69ba6025497614b56.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
3460	4721eaa3413c1a9ee6d0b038139772700aeefeb3125387c69ba6025497614b56.exe
3460	4721eaa3413c1a9ee6d0b038139772700aeefeb3125387c69ba6025497614b56.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1428	winver.exe
3460	4721eaa3413c1a9ee6d0b038139772700aeefeb3125387c69ba6025497614b56.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3460 wrote to memory of 1428	3460	4721eaa3413c1a9ee6d0b038139772700aeefeb3125387c69ba6025497614b56.exe	93
PID 3460 wrote to memory of 1428	3460	4721eaa3413c1a9ee6d0b038139772700aeefeb3125387c69ba6025497614b56.exe	93
PID 3460 wrote to memory of 1428	3460	4721eaa3413c1a9ee6d0b038139772700aeefeb3125387c69ba6025497614b56.exe	93
PID 3460 wrote to memory of 1428	3460	4721eaa3413c1a9ee6d0b038139772700aeefeb3125387c69ba6025497614b56.exe	93
PID 1428 wrote to memory of 3432	1428	winver.exe	56
PID 3460 wrote to memory of 3432	3460	4721eaa3413c1a9ee6d0b038139772700aeefeb3125387c69ba6025497614b56.exe	56
PID 3460 wrote to memory of 2868	3460	4721eaa3413c1a9ee6d0b038139772700aeefeb3125387c69ba6025497614b56.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2868

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\4721eaa3413c1a9ee6d0b038139772700aeefeb3125387c69ba6025497614b56.exe
  "C:\Users\Admin\AppData\Local\Temp\4721eaa3413c1a9ee6d0b038139772700aeefeb3125387c69ba6025497614b56.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3460
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1428
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 316
      4⤵
      Program crash
      PID:1848
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3460 -s 856
    3⤵
    - Program crash
    PID:4012

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1428 -ip 1428
1⤵
PID:3324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3460 -ip 3460
1⤵
PID:4580

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/2868-14-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download
memory/2868-20-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download
memory/3432-6-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/3432-5-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/3432-11-0x0000000000910000-0x0000000000916000-memory.dmp

Filesize
24KB

Download
memory/3460-1-0x00000000046A0000-0x0000000004CF8000-memory.dmp

Filesize
6.3MB

Download
memory/3460-2-0x0000000002520000-0x0000000002521000-memory.dmp

Filesize
4KB

Download
memory/3460-3-0x00000000046A0000-0x0000000004CF8000-memory.dmp

Filesize
6.3MB

Download
memory/3460-7-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/3460-10-0x0000000005AB0000-0x00000000064B0000-memory.dmp

Filesize
10.0MB

Download
memory/3460-15-0x0000000005AB0000-0x00000000064B0000-memory.dmp

Filesize
10.0MB

Download
memory/3460-19-0x00000000046A0000-0x0000000004CF8000-memory.dmp

Filesize
6.3MB

Download

Analysis

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