a4e685e7c8bb3aff7459bd11df9037665b99efa30a7cb94024500cd5e3032d0e

General

Target

a4e685e7c8bb3aff7459bd11df9037665b99efa30a7cb94024500cd5e3032d0e.exe
Size

248KB
MD5

7b67bbfbf99ccafb2d90e4bf59987626
SHA1

03965b433fd61654c0b8e911756be4fa7c8f56eb
SHA256

a4e685e7c8bb3aff7459bd11df9037665b99efa30a7cb94024500cd5e3032d0e
SHA512

af3a763142a8f15875c9b181ba69574157765e46800d657ee9ef47f32be53c6e895a7cd54c7270dff249a7cc911456277130fa8186a2be1fe586db15bffbac41
SSDEEP

6144:xpt4NFj9pZQWzP1PkoVkOwi0JEltcQd2M/P:B4NPpZRP1Pvwi0JCtcAbX

Score

3^/10

discovery

Malware Config

Signatures

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1280	1972	WerFault.exe	89
4064	4328	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	a4e685e7c8bb3aff7459bd11df9037665b99efa30a7cb94024500cd5e3032d0e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4328	a4e685e7c8bb3aff7459bd11df9037665b99efa30a7cb94024500cd5e3032d0e.exe
4328	a4e685e7c8bb3aff7459bd11df9037665b99efa30a7cb94024500cd5e3032d0e.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1972	winver.exe
4328	a4e685e7c8bb3aff7459bd11df9037665b99efa30a7cb94024500cd5e3032d0e.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3528	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4328 wrote to memory of 1972	4328	a4e685e7c8bb3aff7459bd11df9037665b99efa30a7cb94024500cd5e3032d0e.exe	89
PID 4328 wrote to memory of 1972	4328	a4e685e7c8bb3aff7459bd11df9037665b99efa30a7cb94024500cd5e3032d0e.exe	89
PID 4328 wrote to memory of 1972	4328	a4e685e7c8bb3aff7459bd11df9037665b99efa30a7cb94024500cd5e3032d0e.exe	89
PID 4328 wrote to memory of 1972	4328	a4e685e7c8bb3aff7459bd11df9037665b99efa30a7cb94024500cd5e3032d0e.exe	89
PID 1972 wrote to memory of 3528	1972	winver.exe	56
PID 4328 wrote to memory of 3528	4328	a4e685e7c8bb3aff7459bd11df9037665b99efa30a7cb94024500cd5e3032d0e.exe	56
PID 4328 wrote to memory of 2616	4328	a4e685e7c8bb3aff7459bd11df9037665b99efa30a7cb94024500cd5e3032d0e.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2616

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3528
- C:\Users\Admin\AppData\Local\Temp\a4e685e7c8bb3aff7459bd11df9037665b99efa30a7cb94024500cd5e3032d0e.exe
  "C:\Users\Admin\AppData\Local\Temp\a4e685e7c8bb3aff7459bd11df9037665b99efa30a7cb94024500cd5e3032d0e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4328
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1972
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 300
      4⤵
      Program crash
      PID:1280
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4328 -s 920
    3⤵
    - Program crash
    PID:4064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1972 -ip 1972
1⤵
PID:1848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4328 -ip 4328
1⤵
PID:2636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/2616-22-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

Download
memory/2616-17-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

Download
memory/3528-9-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/3528-15-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

Filesize
24KB

Download
memory/3528-10-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/4328-4-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/4328-6-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/4328-7-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/4328-5-0x0000000002350000-0x0000000002460000-memory.dmp

Filesize
1.1MB

Download
memory/4328-0-0x0000000002350000-0x0000000002460000-memory.dmp

Filesize
1.1MB

Download
memory/4328-11-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/4328-3-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/4328-14-0x0000000002A60000-0x0000000003460000-memory.dmp

Filesize
10.0MB

Download
memory/4328-2-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/4328-18-0x0000000002A60000-0x0000000003460000-memory.dmp

Filesize
10.0MB

Download
memory/4328-1-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download

Analysis

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