3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1b

General

Target

3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1b.exe
Size

225KB
MD5

85b1e4826981d4085532ed1f2579d2c0
SHA1

46d3e3969cf866a7a338a698143d2c4db0626f07
SHA256

3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1b
SHA512

ecdd397fc3fb3edb0eb6af0424b610acfca525ef45027a27fd88a63ec433d6f21585b1fa9af4a9a30db95c0e953f65e9f49b85761e9e78708b37e399a93ea88d
SSDEEP

6144:wA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:wATuTAnKGwUAW3ycQqgf

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
1816	2208	WerFault.exe	104
2372	4500	WerFault.exe	84

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	3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1b.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
4500	3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1b.exe
4500	3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1b.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2208	winver.exe
4500	3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1b.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4500 wrote to memory of 2208	4500	3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1b.exe	104
PID 4500 wrote to memory of 2208	4500	3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1b.exe	104
PID 4500 wrote to memory of 2208	4500	3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1b.exe	104
PID 4500 wrote to memory of 2208	4500	3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1b.exe	104
PID 2208 wrote to memory of 3420	2208	winver.exe	56
PID 4500 wrote to memory of 3420	4500	3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1b.exe	56
PID 4500 wrote to memory of 2776	4500	3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1b.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2776

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3420
- C:\Users\Admin\AppData\Local\Temp\3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1b.exe
  "C:\Users\Admin\AppData\Local\Temp\3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4500
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2208
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2208 -s 300
      4⤵
      Program crash
      PID:1816
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4500 -s 984
    3⤵
    - Program crash
    PID:2372

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2208 -ip 2208
1⤵
PID:1964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4500 -ip 4500
1⤵
PID:1112

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/2776-26-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/2776-20-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/3420-11-0x0000000000F80000-0x0000000000F86000-memory.dmp

Filesize
24KB

Download
memory/3420-18-0x00000000030C0000-0x00000000030C6000-memory.dmp

Filesize
24KB

Download
memory/3420-12-0x0000000000F80000-0x0000000000F86000-memory.dmp

Filesize
24KB

Download
memory/4500-5-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/4500-7-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/4500-8-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/4500-9-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/4500-6-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/4500-1-0x0000000004690000-0x0000000004CE8000-memory.dmp

Filesize
6.3MB

Download
memory/4500-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4500-4-0x0000000004690000-0x0000000004CE8000-memory.dmp

Filesize
6.3MB

Download
memory/4500-17-0x0000000005AA0000-0x00000000064A0000-memory.dmp

Filesize
10.0MB

Download
memory/4500-3-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/4500-22-0x0000000005AA0000-0x00000000064A0000-memory.dmp

Filesize
10.0MB

Download
memory/4500-25-0x0000000004690000-0x0000000004CE8000-memory.dmp

Filesize
6.3MB

Download
memory/4500-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download

Analysis

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