c833b071ed49083381fe431b93c269e277bf1a6b0507d9c06c4f2f67d9c989ca

Analysis

max time kernel
155s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
01/07/2024, 11:48

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General

Target

1b2db941392168a530f357e27c2e7728_JaffaCakes118.pdf
Size

81KB
MD5

1b2db941392168a530f357e27c2e7728
SHA1

bbbafee8398d9a4665371cf01ea9b6e3d378aa17
SHA256

c833b071ed49083381fe431b93c269e277bf1a6b0507d9c06c4f2f67d9c989ca
SHA512

af79e83a63ef1b963242f0b582a9e8459fa2df1a46cd770c2dc7b06618549e916135d6305690be2172b0c3409a627fb3f263969bebed7c9eed73dabb8d9bb937
SSDEEP

1536:d8AyioWdmhYeHCFYYpaF887Bu9v6Hx/Ea+WCpOViIWc9Ti8OfSqjucRmRa:2AyqmLIHoFhBCvqxtTVit3jXR1

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1596	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 1284	1596	AcroRd32.exe	101
PID 1596 wrote to memory of 1284	1596	AcroRd32.exe	101
PID 1596 wrote to memory of 1284	1596	AcroRd32.exe	101

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\1b2db941392168a530f357e27c2e7728_JaffaCakes118.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  PID:1284

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=4160 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
1⤵
PID:4304

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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