9a5b1d0b07b40ec0cc2df2c47790ae49a6d85c009a57a73f20a4c830cefce2df

Analysis

max time kernel
151s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
20-03-2024 14:03

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General

Target

003968f5.exe
Size

156KB
MD5

3a1f9e592937513387c9c1880f795757
SHA1

421b648186fb7be8e35c752f0aebf49aa0b702cb
SHA256

90922294e0c48386680d8bd3aa24f571746f2413c401c8b5e40a10e5dac859f2
SHA512

76a7693e5aaaabc25b1a9b036400617feeed5942cdae7fba9a8f5cccec22ab53140bd25f5f8e1a943a77dd49a02a49d03e4f3a62ae01e2d69b4be94185be5866
SSDEEP

3072:Z612XVqqVIAlGDInCOx7EVgeLCStSrsfp4ZdWh9NRI+JcMb8tyvl9RXECagIQCs7:I1MTZNiLCSSrc4ZdWh9tqit9WgFTDN1h

Score

7^/10

persistence

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
3364	Explorer.EXE

Registers COM server for autorun 1 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\{34278cf4-52e0-08fc-d431-b618125daabb}\\n."	003968f5.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32	003968f5.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ThreadingModel = "Both"	003968f5.exe

Unexpected DNS network traffic destination 5 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	66.85.130.234
Destination IP	66.85.130.234
Destination IP	66.85.130.234
Destination IP	66.85.130.234
Destination IP	66.85.130.234

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\clsid	003968f5.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}	003968f5.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32	003968f5.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ThreadingModel = "Both"	003968f5.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\{34278cf4-52e0-08fc-d431-b618125daabb}\\n."	003968f5.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3732	003968f5.exe
3732	003968f5.exe
3732	003968f5.exe
3732	003968f5.exe
3732	003968f5.exe
3732	003968f5.exe
3732	003968f5.exe
3732	003968f5.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3732	003968f5.exe
Token: SeDebugPrivilege	3732	003968f5.exe
Token: SeDebugPrivilege	3732	003968f5.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3364	Explorer.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3732 wrote to memory of 3364	3732	003968f5.exe	57
PID 3732 wrote to memory of 3364	3732	003968f5.exe	57

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
PID:3364
- C:\Users\Admin\AppData\Local\Temp\003968f5.exe
  "C:\Users\Admin\AppData\Local\Temp\003968f5.exe"
  2⤵
  - Registers COM server for autorun
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3732

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=4244 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
1⤵
PID:3372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\{34278cf4-52e0-08fc-d431-b618125daabb}\n

Filesize
26KB

MD5
fab7de9eafea67f88e43003698024c86

SHA1
24a4ef27c29cdeabed5e0af867e3f568da40d0c9

SHA256
073b1f99871dc56a33dcd55af71d53482816bfc9b3ce5c78ee53bed31b428384

SHA512
b4a57a8cc564760526d4cce26ce24e80657c064df373c307bb90cf053d01d04bdfe1def41fedfeb7715e53d8481a98c94bc6f3bf33815b4571d898aa08553fcd

Download Submit
memory/3364-3-0x00000000009D0000-0x00000000009D1000-memory.dmp

Filesize
4KB

Download
memory/3364-7-0x00000000009D0000-0x00000000009D1000-memory.dmp

Filesize
4KB

Download
memory/3732-1-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3732-2-0x0000000000640000-0x0000000000740000-memory.dmp

Filesize
1024KB

Download
memory/3732-9-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download