a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981

General

Target

a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981.exe
Size

237KB
MD5

3dea45befb436579a7459efdd419dc74
SHA1

d9cdb5208194c2625e410e3f2e836a7a6d2198de
SHA256

a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981
SHA512

96fe5a8cc4f3adc3c7298b4c4b2492f8e03f1ffa1e0cad572d76af07c8f5a2ba94162893b4d1b860d17efaefe6f93e5434ee3cf71e03000a2be42c6fb1a8fd89
SSDEEP

6144:TA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYA:TATuTAnKGwUAWVycQqgB

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
4432	2248	WerFault.exe	102
1968	1608	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	a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981.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
1608	a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981.exe
1608	a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2248	winver.exe
1608	a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 2248	1608	a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981.exe	102
PID 1608 wrote to memory of 2248	1608	a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981.exe	102
PID 1608 wrote to memory of 2248	1608	a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981.exe	102
PID 1608 wrote to memory of 2248	1608	a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981.exe	102
PID 2248 wrote to memory of 3504	2248	winver.exe	56
PID 1608 wrote to memory of 3504	1608	a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981.exe	56
PID 1608 wrote to memory of 2556	1608	a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2556

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3504
- C:\Users\Admin\AppData\Local\Temp\a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981.exe
  "C:\Users\Admin\AppData\Local\Temp\a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1608
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2248
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2248 -s 300
      4⤵
      Program crash
      PID:4432
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 980
    3⤵
    - Program crash
    PID:1968

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2248 -ip 2248
1⤵
PID:2472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1608 -ip 1608
1⤵
PID:3588

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/1608-8-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/1608-2-0x0000000002390000-0x0000000002391000-memory.dmp

Filesize
4KB

Download
memory/1608-3-0x0000000004670000-0x0000000004CC8000-memory.dmp

Filesize
6.3MB

Download
memory/1608-4-0x0000000002390000-0x0000000002391000-memory.dmp

Filesize
4KB

Download
memory/1608-1-0x0000000004670000-0x0000000004CC8000-memory.dmp

Filesize
6.3MB

Download
memory/1608-14-0x0000000005BC0000-0x00000000065C0000-memory.dmp

Filesize
10.0MB

Download
memory/1608-16-0x0000000005BC0000-0x00000000065C0000-memory.dmp

Filesize
10.0MB

Download
memory/1608-20-0x0000000004670000-0x0000000004CC8000-memory.dmp

Filesize
6.3MB

Download
memory/2556-15-0x0000000000F00000-0x0000000000F06000-memory.dmp

Filesize
24KB

Download
memory/2556-21-0x0000000000F00000-0x0000000000F06000-memory.dmp

Filesize
24KB

Download
memory/3504-6-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/3504-7-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/3504-13-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download

Analysis

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