721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264

General

Target

721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264.exe
Size

610KB
MD5

05c785cff90081fe294c8c8a6a38e8b2
SHA1

88dcce3432223ed1f82de31efe67da31b2d7be81
SHA256

721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264
SHA512

dc81385934af56cc4b987ae2266546d1514ba183d65c10d21ff258c952614c67f52abfb5af74e9854e50d60a7c082edd56eb497db437b03be07f1c8f0b9cbf1c
SSDEEP

12288:EATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:6T+KjUdQqboyyWoK1NGqzuhj

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
4264	3668	WerFault.exe	90
1368	4128	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	721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264.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
4128	721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264.exe
4128	721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3568	Explorer.EXE
Token: SeCreatePagefilePrivilege	3568	Explorer.EXE
Token: SeShutdownPrivilege	3568	Explorer.EXE
Token: SeCreatePagefilePrivilege	3568	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3668	winver.exe
4128	721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4128 wrote to memory of 3668	4128	721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264.exe	90
PID 4128 wrote to memory of 3668	4128	721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264.exe	90
PID 4128 wrote to memory of 3668	4128	721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264.exe	90
PID 4128 wrote to memory of 3668	4128	721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264.exe	90
PID 3668 wrote to memory of 3568	3668	winver.exe	56
PID 4128 wrote to memory of 3568	4128	721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264.exe	56
PID 4128 wrote to memory of 2520	4128	721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2520

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3568
- C:\Users\Admin\AppData\Local\Temp\721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264.exe
  "C:\Users\Admin\AppData\Local\Temp\721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4128
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3668
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3668 -s 300
      4⤵
      Program crash
      PID:4264
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 888
    3⤵
    - Program crash
    PID:1368

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3668 -ip 3668
1⤵
PID:4404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4128 -ip 4128
1⤵
PID:1328

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

Loading Replay Monitor...

Downloads

memory/2520-21-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/2520-15-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/3568-7-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/3568-13-0x0000000000C40000-0x0000000000C46000-memory.dmp

Filesize
24KB

Download
memory/3568-6-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/4128-4-0x00000000045A0000-0x0000000004BF8000-memory.dmp

Filesize
6.3MB

Download
memory/4128-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4128-3-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/4128-12-0x0000000005AB0000-0x00000000064B0000-memory.dmp

Filesize
10.0MB

Download
memory/4128-1-0x00000000045A0000-0x0000000004BF8000-memory.dmp

Filesize
6.3MB

Download
memory/4128-16-0x0000000005AB0000-0x00000000064B0000-memory.dmp

Filesize
10.0MB

Download
memory/4128-20-0x00000000045A0000-0x0000000004BF8000-memory.dmp

Filesize
6.3MB

Download
memory/4128-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing