e304bffda63863b9577d5df806f5684f93f576ee288de11a124bea899e50553e

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
10/07/2024, 02:20

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General

Target

32f26acb2d69be497ede612847a9123a_JaffaCakes118.dll
Size

65KB
MD5

32f26acb2d69be497ede612847a9123a
SHA1

e8f362d03fe1c1d627ca9bd1f83e668c7a8fe828
SHA256

e304bffda63863b9577d5df806f5684f93f576ee288de11a124bea899e50553e
SHA512

5f24d338b9ebdf9b9aec4ab4b601d696a930336aaa534f2e86b03f9eb9d26e9b9b71a1e520bc2b89c0f569ba62b1ba94d0f4b868eb2511b8568444878cd94ccf
SSDEEP

1536:shNF2POkeLzucpZlhdBAyKiu3PvTCTwL+oRD/4ywBoFpbJ8j8:yIO1pZlhduiuuTLq/KoRd

Score

7^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2148-1-0x0000000000400000-0x000000000042A000-memory.dmp	upx
behavioral2/memory/2148-2-0x0000000000400000-0x000000000042A000-memory.dmp	upx
behavioral2/memory/2148-4-0x0000000000400000-0x000000000042A000-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\{23423423-4234-2341-2345-A635F7A76560}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23423423-4234-2341-2345-A635F7A76560}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23423423-4234-2341-2345-A635F7A76560}\ = "t"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23423423-4234-2341-2345-A635F7A76560}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\32f26acb2d69be497ede612847a9123a_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23423423-4234-2341-2345-A635F7A76560}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\32f26acb2d69be497ede612847a9123a_JaffaCakes118.t	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\32f26acb2d69be497ede612847a9123a_JaffaCakes118.t\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\32f26acb2d69be497ede612847a9123a_JaffaCakes118.t\Clsid\ = "{23423423-4234-2341-2345-A635F7A76560}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23423423-4234-2341-2345-A635F7A76560}\ProgID\ = "32f26acb2d69be497ede612847a9123a_JaffaCakes118.t"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23423423-4234-2341-2345-A635F7A76560}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\32f26acb2d69be497ede612847a9123a_JaffaCakes118.t\ = "t"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23423423-4234-2341-2345-A635F7A76560}\ProgID	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3544 wrote to memory of 2148	3544	regsvr32.exe	82
PID 3544 wrote to memory of 2148	3544	regsvr32.exe	82
PID 3544 wrote to memory of 2148	3544	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\32f26acb2d69be497ede612847a9123a_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3544
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\32f26acb2d69be497ede612847a9123a_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2148

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

Replay Monitor

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Downloads

memory/2148-0-0x0000000000530000-0x000000000055D000-memory.dmp

Filesize
180KB

Download
memory/2148-1-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2148-2-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2148-3-0x0000000000530000-0x000000000055D000-memory.dmp

Filesize
180KB

Download
memory/2148-4-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download