4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e

General

Target

4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e.exe
Size

225KB
MD5

c39d9d16d2d41ed1cb8637455ff6fc71
SHA1

fc0afb899f5b0704abc30d69333a54c3166940e8
SHA256

4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e
SHA512

d5f99c43a50d21c9b153937eeac00f194403403f91b4c656f9678a23e27038defd9c0549b7ce863cf99a960f31821bb402538c0415236b8234f56c48b7124d0b
SSDEEP

6144:EA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:EATuTAnKGwUAW3ycQqgt

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
2032	2704	WerFault.exe	93
4740	4676	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	4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e.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
4676	4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e.exe
4676	4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2704	winver.exe
4676	4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4676 wrote to memory of 2704	4676	4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e.exe	93
PID 4676 wrote to memory of 2704	4676	4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e.exe	93
PID 4676 wrote to memory of 2704	4676	4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e.exe	93
PID 4676 wrote to memory of 2704	4676	4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e.exe	93
PID 2704 wrote to memory of 3520	2704	winver.exe	56
PID 4676 wrote to memory of 3520	4676	4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e.exe	56
PID 4676 wrote to memory of 2516	4676	4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2516

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e.exe
  "C:\Users\Admin\AppData\Local\Temp\4ba50b28ca89d12540aeb698341f44607748db9da3cf3a84aff0016a7183249e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4676
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2704
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 300
      4⤵
      Program crash
      PID:2032
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4676 -s 956
    3⤵
    - Program crash
    PID:4740

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2704 -ip 2704
1⤵
PID:4680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4676 -ip 4676
1⤵
PID:3080

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/2516-13-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2516-19-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/3520-4-0x0000000000DF0000-0x0000000000DF6000-memory.dmp

Filesize
24KB

Download
memory/3520-5-0x0000000000DF0000-0x0000000000DF6000-memory.dmp

Filesize
24KB

Download
memory/3520-10-0x0000000000E30000-0x0000000000E36000-memory.dmp

Filesize
24KB

Download
memory/4676-1-0x0000000004520000-0x0000000004B78000-memory.dmp

Filesize
6.3MB

Download
memory/4676-2-0x0000000003CF0000-0x0000000003CF1000-memory.dmp

Filesize
4KB

Download
memory/4676-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4676-9-0x0000000005A70000-0x0000000006470000-memory.dmp

Filesize
10.0MB

Download
memory/4676-15-0x0000000005A70000-0x0000000006470000-memory.dmp

Filesize
10.0MB

Download
memory/4676-18-0x0000000004520000-0x0000000004B78000-memory.dmp

Filesize
6.3MB

Download

Analysis

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