d1bdc429d88aaafcc9b67700ec1f5e326abe81ac3a4f1b8fd1b33c8facd73511

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14-05-2024 02:39

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General

Target

d1bdc429d88aaafcc9b67700ec1f5e326abe81ac3a4f1b8fd1b33c8facd73511.exe
Size

119KB
MD5

65d5472622dc4484fc8648e81db67b61
SHA1

12988827904fe225c468c921aa2d26475702507e
SHA256

d1bdc429d88aaafcc9b67700ec1f5e326abe81ac3a4f1b8fd1b33c8facd73511
SHA512

7d141bab8934a6e0217faa8427ee883c8e1b9dd13bad4f02de2504673368be01142783a6a11cf00ce98ea2112934fe52a2f9455f1ded5228048ece96baa6e841
SSDEEP

3072:OE9j8b3ZXgKC1hX//iASOXRJzDOD26j/3Dc+:OEebiKuX//iZOXRJ3OD26jB

Score

8^/10

evasion execution

Malware Config

Signatures

Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Executes dropped EXE 1 IoCs

pid	Process
1928	smss.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\1230\smss.exe	smss.exe
File opened for modification	C:\Windows\SysWOW64\Service.exe	smss.exe
File opened for modification	C:\Windows\SysWOW64\1230\smss.exe	d1bdc429d88aaafcc9b67700ec1f5e326abe81ac3a4f1b8fd1b33c8facd73511.exe

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2720	sc.exe
1712	sc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
948	d1bdc429d88aaafcc9b67700ec1f5e326abe81ac3a4f1b8fd1b33c8facd73511.exe
1928	smss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 948 wrote to memory of 2720	948	d1bdc429d88aaafcc9b67700ec1f5e326abe81ac3a4f1b8fd1b33c8facd73511.exe	93
PID 948 wrote to memory of 2720	948	d1bdc429d88aaafcc9b67700ec1f5e326abe81ac3a4f1b8fd1b33c8facd73511.exe	93
PID 948 wrote to memory of 2720	948	d1bdc429d88aaafcc9b67700ec1f5e326abe81ac3a4f1b8fd1b33c8facd73511.exe	93
PID 948 wrote to memory of 1928	948	d1bdc429d88aaafcc9b67700ec1f5e326abe81ac3a4f1b8fd1b33c8facd73511.exe	96
PID 948 wrote to memory of 1928	948	d1bdc429d88aaafcc9b67700ec1f5e326abe81ac3a4f1b8fd1b33c8facd73511.exe	96
PID 948 wrote to memory of 1928	948	d1bdc429d88aaafcc9b67700ec1f5e326abe81ac3a4f1b8fd1b33c8facd73511.exe	96
PID 1928 wrote to memory of 1712	1928	smss.exe	97
PID 1928 wrote to memory of 1712	1928	smss.exe	97
PID 1928 wrote to memory of 1712	1928	smss.exe	97

C:\Users\Admin\AppData\Local\Temp\d1bdc429d88aaafcc9b67700ec1f5e326abe81ac3a4f1b8fd1b33c8facd73511.exe
"C:\Users\Admin\AppData\Local\Temp\d1bdc429d88aaafcc9b67700ec1f5e326abe81ac3a4f1b8fd1b33c8facd73511.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:948
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe stop wscsvc
  2⤵
  - Launches sc.exe
  PID:2720
- C:\Windows\SysWOW64\1230\smss.exe
  C:\Windows\system32\1230\smss.exe -d
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1928
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe stop wscsvc
    3⤵
    - Launches sc.exe
    PID:1712

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 --no-appcompat-clear --mojo-platform-channel-handle=4156 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
1⤵
PID:2188

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

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Downloads

C:\Windows\SysWOW64\1230\smss.exe

Filesize
119KB

MD5
1a56acfda382462ee7b64db2f83e2440

SHA1
ac0d8e973a70d9bf9323d8acd2b09c6f697cd19f

SHA256
af4673de0a3c459e2f2733de32f651cd3db252c630f6b74558c82ec6b029d2b1

SHA512
f1912ecb348255ea1e2787799b4b4ff55cc311fd5ef00c9f7b79481d7954e0b063fd4fcbc77c72eeb6c021814a4f60684a9df11f367c08bc641cc0e3d4509d96

Download Submit
memory/948-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

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