671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59

Analysis

max time kernel
144s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
14-06-2024 22:17

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General

Target

671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59.exe
Size

225KB
MD5

7b557319669ab874cdf3d36361de5b3a
SHA1

9085c8379151a99cc23e74cbc15cea315f1185fd
SHA256

671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59
SHA512

d0339febeca8d78ae901aa9cdb193960af8313c78dda7bcc46e5fa78ad2f2070545a2009ab5d4298f2980532faa0d5f074ef3d13383e505b41063002044a4356
SSDEEP

6144:SA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:SATuTAnKGwUAW3ycQqgf

Score

3^/10

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

Processes:

WerFault.exeWerFault.exe

pid	pid_target	process	target process
4876	3972	WerFault.exe	winver.exe
856	1956	WerFault.exe	671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59.exe

Modifies data under HKEY_USERS 1 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client"	svchost.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

Explorer.EXE

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

Processes:

winver.exe671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59.exe

pid process

3972 winver.exe
1956 671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3412 Explorer.EXE

pid	process
3972	winver.exe
1956	671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59.exe

pid	process
3412	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59.exewinver.exe

description	pid	process	target process
PID 1956 wrote to memory of 3972	1956	671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59.exe	winver.exe
PID 1956 wrote to memory of 3972	1956	671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59.exe	winver.exe
PID 1956 wrote to memory of 3972	1956	671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59.exe	winver.exe
PID 1956 wrote to memory of 3972	1956	671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59.exe	winver.exe
PID 3972 wrote to memory of 3412	3972	winver.exe	Explorer.EXE
PID 1956 wrote to memory of 3412	1956	671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3412
- C:\Users\Admin\AppData\Local\Temp\671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59.exe
  "C:\Users\Admin\AppData\Local\Temp\671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59.exe"
  2⤵
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1956
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3972
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3972 -s 300
      4⤵
      Program crash
      PID:4876
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 784
    3⤵
    - Program crash
    PID:856

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3976,i,11049150160560877369,2866371920339304689,262144 --variations-seed-version --mojo-platform-channel-handle=3956 /prefetch:8
1⤵
PID:3200

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3972 -ip 3972
1⤵
PID:640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 1956 -ip 1956
1⤵
PID:4372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1956-1-0x00000000047B0000-0x0000000004E08000-memory.dmp

Filesize
6.3MB

Download
memory/1956-2-0x00000000045F0000-0x00000000045F1000-memory.dmp

Filesize
4KB

Download
memory/1956-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1956-12-0x00000000047B0000-0x0000000004E08000-memory.dmp

Filesize
6.3MB

Download
memory/3412-4-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/3412-5-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/3412-9-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download