1d3fe70fecc24d81e6b8edb37e6b1c484915e8e253530aa164fecf4bfef433d1

Analysis

max time kernel
94s
max time network
111s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2024, 13:16

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General

Target

efe03ef322a696ae3353a0fe4d483b53_JaffaCakes118.dll
Size

268KB
MD5

efe03ef322a696ae3353a0fe4d483b53
SHA1

c5dbdd5d352a14b27dcf5c2b392f8235bac916b0
SHA256

1d3fe70fecc24d81e6b8edb37e6b1c484915e8e253530aa164fecf4bfef433d1
SHA512

bdeefc31421d554ddb084bc5d3def75e95d37dd25ef88b6482dfe30d14d71649d36b54595acaad5c12849349c51e3776c0faea6ceb457f1c6c8637935d29a96e
SSDEEP

6144:ctTnMoi2Qomq2O44Vl+tING5rQm4RAbTfmFxO5uDgNLmV1U:ctTnbi2NdX44VlmlQ6TmTO5uDMG1

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
behavioral2/memory/3432-0-0x0000000000400000-0x00000000004B0000-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\{CC01FC6C-D794-CDC7-348A-7681FF228124}	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 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\efe03ef322a696ae3353a0fe4d483b53_JaffaCakes118.sb\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\efe03ef322a696ae3353a0fe4d483b53_JaffaCakes118.sb\Clsid\ = "{CC01FC6C-D794-CDC7-348A-7681FF228124}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-D794-CDC7-348A-7681FF228124}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-D794-CDC7-348A-7681FF228124}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-D794-CDC7-348A-7681FF228124}\ = "sb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-D794-CDC7-348A-7681FF228124}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-D794-CDC7-348A-7681FF228124}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\efe03ef322a696ae3353a0fe4d483b53_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\efe03ef322a696ae3353a0fe4d483b53_JaffaCakes118.sb	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-D794-CDC7-348A-7681FF228124}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\efe03ef322a696ae3353a0fe4d483b53_JaffaCakes118.sb\ = "sb"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-D794-CDC7-348A-7681FF228124}\ProgID\ = "efe03ef322a696ae3353a0fe4d483b53_JaffaCakes118.sb"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3684 wrote to memory of 3432	3684	regsvr32.exe	82
PID 3684 wrote to memory of 3432	3684	regsvr32.exe	82
PID 3684 wrote to memory of 3432	3684	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\efe03ef322a696ae3353a0fe4d483b53_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3684
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\efe03ef322a696ae3353a0fe4d483b53_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3432

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

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Downloads

memory/3432-0-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

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