154ebc6e51d30fc88bd92b19485cbabfaab3526b71ad36d78c40e4612943c03f

General

Target

154ebc6e51d30fc88bd92b19485cbabfaab3526b71ad36d78c40e4612943c03fN.exe
Size

237KB
MD5

e8aad678d9b78b481a69676f5a7fb660
SHA1

077b4ada1bdb042ca367d616e30259fde90f3a71
SHA256

154ebc6e51d30fc88bd92b19485cbabfaab3526b71ad36d78c40e4612943c03f
SHA512

c64bab8575fe59e5b66f373b2e2a74e756547c0ccdfd1f3b5a77167e49581b93195f0821c0ef7836350e37f43c869fe087e477c37397910138cbfb32d04daf87
SSDEEP

6144:zA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:zATuTAnKGwUAWVycQqgj

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
3048	956	WerFault.exe	103
1188	1864	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	154ebc6e51d30fc88bd92b19485cbabfaab3526b71ad36d78c40e4612943c03fN.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
1864	154ebc6e51d30fc88bd92b19485cbabfaab3526b71ad36d78c40e4612943c03fN.exe
1864	154ebc6e51d30fc88bd92b19485cbabfaab3526b71ad36d78c40e4612943c03fN.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3412	Explorer.EXE
Token: SeCreatePagefilePrivilege	3412	Explorer.EXE
Token: SeShutdownPrivilege	3412	Explorer.EXE
Token: SeCreatePagefilePrivilege	3412	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
956	winver.exe
1864	154ebc6e51d30fc88bd92b19485cbabfaab3526b71ad36d78c40e4612943c03fN.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1864 wrote to memory of 956	1864	154ebc6e51d30fc88bd92b19485cbabfaab3526b71ad36d78c40e4612943c03fN.exe	103
PID 1864 wrote to memory of 956	1864	154ebc6e51d30fc88bd92b19485cbabfaab3526b71ad36d78c40e4612943c03fN.exe	103
PID 1864 wrote to memory of 956	1864	154ebc6e51d30fc88bd92b19485cbabfaab3526b71ad36d78c40e4612943c03fN.exe	103
PID 1864 wrote to memory of 956	1864	154ebc6e51d30fc88bd92b19485cbabfaab3526b71ad36d78c40e4612943c03fN.exe	103
PID 956 wrote to memory of 3412	956	winver.exe	56
PID 1864 wrote to memory of 3412	1864	154ebc6e51d30fc88bd92b19485cbabfaab3526b71ad36d78c40e4612943c03fN.exe	56
PID 1864 wrote to memory of 2768	1864	154ebc6e51d30fc88bd92b19485cbabfaab3526b71ad36d78c40e4612943c03fN.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2768

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3412
- C:\Users\Admin\AppData\Local\Temp\154ebc6e51d30fc88bd92b19485cbabfaab3526b71ad36d78c40e4612943c03fN.exe
  "C:\Users\Admin\AppData\Local\Temp\154ebc6e51d30fc88bd92b19485cbabfaab3526b71ad36d78c40e4612943c03fN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1864
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:956
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 956 -s 300
      4⤵
      Program crash
      PID:3048
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1864 -s 816
    3⤵
    - Program crash
    PID:1188

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 956 -ip 956
1⤵
PID:812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1864 -ip 1864
1⤵
PID:1668

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/1864-9-0x0000000002620000-0x0000000002621000-memory.dmp

Filesize
4KB

Download
memory/1864-3-0x0000000002620000-0x0000000002621000-memory.dmp

Filesize
4KB

Download
memory/1864-1-0x0000000004640000-0x0000000004C98000-memory.dmp

Filesize
6.3MB

Download
memory/1864-25-0x0000000004640000-0x0000000004C98000-memory.dmp

Filesize
6.3MB

Download
memory/1864-5-0x0000000002620000-0x0000000002621000-memory.dmp

Filesize
4KB

Download
memory/1864-6-0x0000000002620000-0x0000000002621000-memory.dmp

Filesize
4KB

Download
memory/1864-7-0x0000000002620000-0x0000000002621000-memory.dmp

Filesize
4KB

Download
memory/1864-8-0x0000000002620000-0x0000000002621000-memory.dmp

Filesize
4KB

Download
memory/1864-22-0x0000000005B50000-0x0000000006550000-memory.dmp

Filesize
10.0MB

Download
memory/1864-2-0x0000000002620000-0x0000000002621000-memory.dmp

Filesize
4KB

Download
memory/1864-4-0x0000000004640000-0x0000000004C98000-memory.dmp

Filesize
6.3MB

Download
memory/1864-13-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/1864-17-0x0000000005B50000-0x0000000006550000-memory.dmp

Filesize
10.0MB

Download
memory/2768-20-0x0000000000070000-0x0000000000076000-memory.dmp

Filesize
24KB

Download
memory/2768-26-0x0000000000070000-0x0000000000076000-memory.dmp

Filesize
24KB

Download
memory/3412-18-0x0000000000D70000-0x0000000000D76000-memory.dmp

Filesize
24KB

Download
memory/3412-12-0x0000000000D60000-0x0000000000D66000-memory.dmp

Filesize
24KB

Download
memory/3412-11-0x0000000000D60000-0x0000000000D66000-memory.dmp

Filesize
24KB

Download

Analysis

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