33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95

General

Target

33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95.exe
Size

225KB
MD5

046d0a2989cb2da5bd7125aea2a28606
SHA1

fcfbe1409936610d8cb5e14b446dd0f13f100e7d
SHA256

33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95
SHA512

888cb31f876143132073f834dd593ee25deb2ff767e856adbe214234af6d05e26fbf7070caf91b4748052909b26186148492d64d6a431d7d952aa74fd4c2d4fa
SSDEEP

6144:AA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:AATuTAnKGwUAW3ycQqgv

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
1564	2756	WerFault.exe	102
3112	1224	WerFault.exe	82

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95.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
1224	33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95.exe
1224	33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3532	Explorer.EXE
Token: SeCreatePagefilePrivilege	3532	Explorer.EXE
Token: SeShutdownPrivilege	3532	Explorer.EXE
Token: SeCreatePagefilePrivilege	3532	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2756	winver.exe
1224	33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 2756	1224	33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95.exe	102
PID 1224 wrote to memory of 2756	1224	33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95.exe	102
PID 1224 wrote to memory of 2756	1224	33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95.exe	102
PID 1224 wrote to memory of 2756	1224	33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95.exe	102
PID 2756 wrote to memory of 3532	2756	winver.exe	56
PID 1224 wrote to memory of 3532	1224	33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95.exe	56
PID 1224 wrote to memory of 2688	1224	33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95.exe	47

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2688

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3532
- C:\Users\Admin\AppData\Local\Temp\33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95.exe
  "C:\Users\Admin\AppData\Local\Temp\33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1224
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2756
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 300
      4⤵
      Program crash
      PID:1564
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1224 -s 856
    3⤵
    - Program crash
    PID:3112

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2756 -ip 2756
1⤵
PID:3324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1224 -ip 1224
1⤵
PID:1028

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/1224-1-0x0000000004540000-0x0000000004B98000-memory.dmp

Filesize
6.3MB

Download
memory/1224-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/1224-3-0x0000000004540000-0x0000000004B98000-memory.dmp

Filesize
6.3MB

Download
memory/1224-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1224-11-0x0000000005A90000-0x0000000006490000-memory.dmp

Filesize
10.0MB

Download
memory/1224-15-0x0000000005A90000-0x0000000006490000-memory.dmp

Filesize
10.0MB

Download
memory/1224-19-0x0000000004540000-0x0000000004B98000-memory.dmp

Filesize
6.3MB

Download
memory/2688-14-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

Download
memory/2688-20-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

Download
memory/3532-5-0x0000000001300000-0x0000000001306000-memory.dmp

Filesize
24KB

Download
memory/3532-6-0x0000000001300000-0x0000000001306000-memory.dmp

Filesize
24KB

Download
memory/3532-12-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download

Analysis

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