cd478ba42d3a01771c2db4a31bbf3e0ba2ea568da99061eb7c6c306cd1ce87bb

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 07:10

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General

Target

ead26975a00c823529ab3b491bfe39e2_JaffaCakes118.dll
Size

7KB
MD5

ead26975a00c823529ab3b491bfe39e2
SHA1

a5700c574880941dfa98977786d2b5612f70d7ff
SHA256

cd478ba42d3a01771c2db4a31bbf3e0ba2ea568da99061eb7c6c306cd1ce87bb
SHA512

097cde84f6c7012f062c6d5e7e34370657ea14538bb69ea62e4f6ef5369bf1a40d1a00214f59f1d9a8cf6cedceca6ac838725d3b0aa072b5f2b2f4bd3cdddeea
SSDEEP

96:IAW5Y+zP6fipw0rgFaFCHmBAGh23jLhttvHOnXDz3UO8ARwkoOvRfX7Xlo:45HpE/KAj3jLXtK/T8ASHOVXpo

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/2480-0-0x0000000010000000-0x0000000010009000-memory.dmp	upx

Installs/modifies Browser Helper Object 2 TTPs 2 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\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25}\	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\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25}\ddd = "ddd"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ead26975a00c823529ab3b491bfe39e2_JaffaCakes118.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2480	2188	regsvr32.exe	84
PID 2188 wrote to memory of 2480	2188	regsvr32.exe	84
PID 2188 wrote to memory of 2480	2188	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ead26975a00c823529ab3b491bfe39e2_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ead26975a00c823529ab3b491bfe39e2_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2480

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/2480-0-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

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