d33bc4e26cb1b084cdb8d3c0acbc749f6f2079ecc8ca6de454d71f82492b6c4d

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23/08/2024, 03:40

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General

Target

ba37012e2a3201b93cf06ddf2f3af56a_JaffaCakes118.dll
Size

434KB
MD5

ba37012e2a3201b93cf06ddf2f3af56a
SHA1

727149e273728aa96cb14270fc096aa92bfa1cc5
SHA256

d33bc4e26cb1b084cdb8d3c0acbc749f6f2079ecc8ca6de454d71f82492b6c4d
SHA512

09b782a0f4f3775529970db3d2ef68f8cfb1c4ada61913c06b4c1abfb8f4e36681d16cb302a9864c52a3ef34c4048d7ef939ff0f40608490e3ec1463f4ca8790
SSDEEP

6144:+p1wii3kyO4PBlSlmPf/FQ4pBXsssklwjmRe3NTerPZVKiyjytjlcsTy+FMCSNun:+0xO6vFhcssKUmRe3NYZ1gAdPRQaf+

Score

7^/10

adware discovery stealer upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2696-0-0x0000000000D60000-0x0000000000EAA000-memory.dmp	upx

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\{14E741E7-3F4D-481F-8793-6A6480379A69}	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{14E741E7-3F4D-481F-8793-6A6480379A69}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{14E741E7-3F4D-481F-8793-6A6480379A69}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{14E741E7-3F4D-481F-8793-6A6480379A69}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{14E741E7-3F4D-481F-8793-6A6480379A69}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{14E741E7-3F4D-481F-8793-6A6480379A69}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ba37012e2a3201b93cf06ddf2f3af56a_JaffaCakes118.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2696	2372	regsvr32.exe	30
PID 2372 wrote to memory of 2696	2372	regsvr32.exe	30
PID 2372 wrote to memory of 2696	2372	regsvr32.exe	30
PID 2372 wrote to memory of 2696	2372	regsvr32.exe	30
PID 2372 wrote to memory of 2696	2372	regsvr32.exe	30
PID 2372 wrote to memory of 2696	2372	regsvr32.exe	30
PID 2372 wrote to memory of 2696	2372	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ba37012e2a3201b93cf06ddf2f3af56a_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ba37012e2a3201b93cf06ddf2f3af56a_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2696

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2696-0-0x0000000000D60000-0x0000000000EAA000-memory.dmp

Filesize
1.3MB

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