c599cd17044cf0eccbc217f4995d3a098dd47761235fdac3e812ddcfebebb666

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
21-08-2024 17:41

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General

Target

b467793aa8d7d8ca3236dc999fdb3561_JaffaCakes118.dll
Size

31KB
MD5

b467793aa8d7d8ca3236dc999fdb3561
SHA1

a943d67419992f7aa9a8ca38cb8b621fe2827ecf
SHA256

c599cd17044cf0eccbc217f4995d3a098dd47761235fdac3e812ddcfebebb666
SHA512

524dea0544ca4edcb0c9f06584d1d0fcb28e0139b0173b5d8efb6ea47cebd8f59a66bab6b7f19853cddf3e4a2d79860ad74fcecbe17f0eabbdec7b5d21847f5a
SSDEEP

384:LPxGLS0M6VRKFKFKW9Ze61yqm82/vJe3MaNJawcudoD7Ug:LJGu0M6XKXW9ZvsvJMFnbcuyD7Ug

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/1480-0-0x0000000010000000-0x000000001000A000-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\{6860A44B-5D3E-433D-A7B5-D517F810D0E7}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{6860A44B-5D3E-433D-A7B5-D517F810D0E7}\	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\{6860A44B-5D3E-433D-A7B5-D517F810D0E7}\xxx = "xxx"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{6860A44B-5D3E-433D-A7B5-D517F810D0E7}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6860A44B-5D3E-433D-A7B5-D517F810D0E7}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b467793aa8d7d8ca3236dc999fdb3561_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6860A44B-5D3E-433D-A7B5-D517F810D0E7}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{6860A44B-5D3E-433D-A7B5-D517F810D0E7}	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 1480	2112	regsvr32.exe	29
PID 2112 wrote to memory of 1480	2112	regsvr32.exe	29
PID 2112 wrote to memory of 1480	2112	regsvr32.exe	29
PID 2112 wrote to memory of 1480	2112	regsvr32.exe	29
PID 2112 wrote to memory of 1480	2112	regsvr32.exe	29
PID 2112 wrote to memory of 1480	2112	regsvr32.exe	29
PID 2112 wrote to memory of 1480	2112	regsvr32.exe	29

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b467793aa8d7d8ca3236dc999fdb3561_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\b467793aa8d7d8ca3236dc999fdb3561_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1480

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/1480-0-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

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