19c87040071c87324956411c4ebc5d2a73b04685015936d2f63c1fd55d9b632f

Analysis

max time kernel
139s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
24/06/2024, 17:18

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General

Target

09d0afda209189bc26439073de79de19_JaffaCakes118.dll
Size

189KB
MD5

09d0afda209189bc26439073de79de19
SHA1

26c1f76ac722b3d65d6f45c27e3cecc70e4916d3
SHA256

19c87040071c87324956411c4ebc5d2a73b04685015936d2f63c1fd55d9b632f
SHA512

b7da52370e4ad55c1095e4b14af2257ac5236f589d8e8adeda0c28dd0799d4a3c4f900855676fab8301e72f986e1a36c61b7e6e65c9b5468ed40fb57fde36117
SSDEEP

3072:MbcxSvyxobRomWCQGGIdmJ61mkQpYCo0ifQD7DhupRgkSBc86IMt2+T1MII:XhmfHpq4pgYCg4DAzgkwcjIMt2qM

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/448-1-0x00000000023E0000-0x000000000246A000-memory.dmp	upx
behavioral2/memory/448-0-0x00000000023E0000-0x000000000246A000-memory.dmp	upx

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Toolbar	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Toolbar\{3C7A1EFF-8DE4-4A81-94ED-266F8C4EEF25}	regsvr32.exe

Modifies registry class 17 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C7A1EFF-8DE4-4A81-94ED-266F8C4EEF25}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C7A1EFF-8DE4-4A81-94ED-266F8C4EEF25}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C7A1EFF-8DE4-4A81-94ED-266F8C4EEF25}\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\09d0afda209189bc26439073de79de19_JaffaCakes118.nPremiereBar\Clsid\ = "{3C7A1EFF-8DE4-4A81-94ED-266F8C4EEF25}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C7A1EFF-8DE4-4A81-94ED-266F8C4EEF25}\ = "&Premiere"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C7A1EFF-8DE4-4A81-94ED-266F8C4EEF25}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C7A1EFF-8DE4-4A81-94ED-266F8C4EEF25}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\09d0afda209189bc26439073de79de19_JaffaCakes118.nPremiereBar\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\09d0afda209189bc26439073de79de19_JaffaCakes118.nPremiereBar\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C7A1EFF-8DE4-4A81-94ED-266F8C4EEF25}\ProgID\ = "09d0afda209189bc26439073de79de19_JaffaCakes118.nPremiereBar"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C7A1EFF-8DE4-4A81-94ED-266F8C4EEF25}\Implemented Categories\{00021494-0000-0000-C000-000000000046}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C7A1EFF-8DE4-4A81-94ED-266F8C4EEF25}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C7A1EFF-8DE4-4A81-94ED-266F8C4EEF25}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\09d0afda209189bc26439073de79de19_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\09d0afda209189bc26439073de79de19_JaffaCakes118.nPremiereBar	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C7A1EFF-8DE4-4A81-94ED-266F8C4EEF25}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 448	4952	regsvr32.exe	84
PID 4952 wrote to memory of 448	4952	regsvr32.exe	84
PID 4952 wrote to memory of 448	4952	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\09d0afda209189bc26439073de79de19_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4952
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\09d0afda209189bc26439073de79de19_JaffaCakes118.dll
  2⤵
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/448-1-0x00000000023E0000-0x000000000246A000-memory.dmp

Filesize
552KB

Download
memory/448-0-0x00000000023E0000-0x000000000246A000-memory.dmp

Filesize
552KB

Download