02deff7c202b84828912c0a6f032b82848a191d99e0c4dff51b64d58f8db1c20

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
08/07/2024, 03:10

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General

Target

2ac7afda29681fb3d98125debeae013a_JaffaCakes118.dll
Size

124KB
MD5

2ac7afda29681fb3d98125debeae013a
SHA1

68c6b631549ce532f68a637cbc7ba30c3460c7fb
SHA256

02deff7c202b84828912c0a6f032b82848a191d99e0c4dff51b64d58f8db1c20
SHA512

6f1a8bff6191f2f94e19f4525f45a164854a5411a35a3426f1ed30d059c43ed339d44bf5e48270a981be7ecd8bcfe9ff2632a7e0b9f5766afbb905255848cdcf
SSDEEP

3072:KWaxTbje7QUBKbD73achvGbT+7mPM7o3mdu70:K7u8lH73tvgHPMG7

Score

6^/10

adware persistence stealer

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\xyvojkhs = "regsvr32 /u \"C:\\ProgramData\\xyvojkhs.dll\""	regsvr32.exe

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\{54BD8F7A-84BD-C4C3-271D-059FC0E876E9}	regsvr32.exe

Modifies registry class 7 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{54BD8F7A-84BD-C4C3-271D-059FC0E876E9}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{54BD8F7A-84BD-C4C3-271D-059FC0E876E9}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{54BD8F7A-84BD-C4C3-271D-059FC0E876E9}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2ac7afda29681fb3d98125debeae013a_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{54BD8F7A-84BD-C4C3-271D-059FC0E876E9}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{54BD8F7A-84BD-C4C3-271D-059FC0E876E9}\InprocServer32\t = "1720432603"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 2248	2272	regsvr32.exe	30
PID 2272 wrote to memory of 2248	2272	regsvr32.exe	30
PID 2272 wrote to memory of 2248	2272	regsvr32.exe	30
PID 2272 wrote to memory of 2248	2272	regsvr32.exe	30
PID 2272 wrote to memory of 2248	2272	regsvr32.exe	30
PID 2272 wrote to memory of 2248	2272	regsvr32.exe	30
PID 2272 wrote to memory of 2248	2272	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\2ac7afda29681fb3d98125debeae013a_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\2ac7afda29681fb3d98125debeae013a_JaffaCakes118.dll
  2⤵
  - Adds Run key to start application
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2248

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

Browser Extensions

T1176

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads