9f8f105dc8d41f691e2da2cf7b08fffa1e29d05dd0c0450dfb20dbf91ee30528

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
27/03/2024, 01:05

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General

Target
e06798801fb0596a67b2ae7479f75fe4.dll
Size 193KB
Sample240327-bfy19sbe6v
SHA256 9f8f105dc8d41f691e2da2cf7b08fffa1e29d05dd0c0450dfb20dbf91ee30528
MD5 e06798801fb0596a67b2ae7479f75fe4
SHA1 9c069b627e316749ae75a868948f2e3a6ab6c133
SHA512 38fc451cda48c5f4b432e4f4c808239c4f3aa3629c0fd33f200b30f45e28e54ebe5d5bfa26268a9aa009bf1b3d6132f34e482d6bfbacc3cd4829bc303e955bb8
SSDEEP 6144:EeoT/Emdf5QjprhjIjInOCigLfq2wj/qGpY4UeCV:EemsmpGthjItgLrwj/3+4Uei
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{1A8C77E9-3815-4E2A-A218-D2D4CC72104F}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A8C77E9-3815-4E2A-A218-D2D4CC72104F}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A8C77E9-3815-4E2A-A218-D2D4CC72104F}\ProgID\ = "e06798801fb0596a67b2ae7479f75fe4.Java (TM)"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A8C77E9-3815-4E2A-A218-D2D4CC72104F}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\e06798801fb0596a67b2ae7479f75fe4.Java (TM)\ = "Java (TM)"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\e06798801fb0596a67b2ae7479f75fe4.Java (TM)\Clsid\ = "{1A8C77E9-3815-4E2A-A218-D2D4CC72104F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A8C77E9-3815-4E2A-A218-D2D4CC72104F}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\e06798801fb0596a67b2ae7479f75fe4.Java (TM)	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\e06798801fb0596a67b2ae7479f75fe4.Java (TM)\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A8C77E9-3815-4E2A-A218-D2D4CC72104F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A8C77E9-3815-4E2A-A218-D2D4CC72104F}\ = "Java (TM)"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A8C77E9-3815-4E2A-A218-D2D4CC72104F}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e06798801fb0596a67b2ae7479f75fe4.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4348 wrote to memory of 4992	4348	regsvr32.exe	94
PID 4348 wrote to memory of 4992	4348	regsvr32.exe	94
PID 4348 wrote to memory of 4992	4348	regsvr32.exe	94

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e06798801fb0596a67b2ae7479f75fe4.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4348
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\e06798801fb0596a67b2ae7479f75fe4.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4992

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=1420 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
1⤵
PID:1648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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