a8a442945f784840607bd3335473ad018624efe6bf26c9cbfdece41740aff1a0

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/09/2024, 11:09

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General

Target

d43855837744c76d49098c87872f2def_JaffaCakes118.dll
Size

678KB
MD5

d43855837744c76d49098c87872f2def
SHA1

2d91f544c595d69ff9a5acb1b243e9b79021c0f5
SHA256

a8a442945f784840607bd3335473ad018624efe6bf26c9cbfdece41740aff1a0
SHA512

b2c9fc75ba5325fb4a9516bb823fcc7924b019b5bb1d727c2c0f7360d2a778e24a69b14dcb33d920fec0be582c859aeb3b92ea36b37ef0c6d84de17ba1b198e5
SSDEEP

12288:Kj7TMzyp6deQj7xZ/qBm2Ahsy0JsPXCAcHfi3T:I7XpSeOZ/qrAhPCoy1fWT

Score

8^/10

discovery persistence

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\drivers\z98rk1x5.sys	rundll32.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\{03364B3D0F6562646512274E88CEFE38}\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\E918.tmp"	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
3068	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
476	Process not Found

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2420	2112	rundll32.exe	30
PID 2112 wrote to memory of 2420	2112	rundll32.exe	30
PID 2112 wrote to memory of 2420	2112	rundll32.exe	30
PID 2112 wrote to memory of 2420	2112	rundll32.exe	30
PID 2112 wrote to memory of 2420	2112	rundll32.exe	30
PID 2112 wrote to memory of 2420	2112	rundll32.exe	30
PID 2112 wrote to memory of 2420	2112	rundll32.exe	30
PID 2420 wrote to memory of 3068	2420	rundll32.exe	31
PID 2420 wrote to memory of 3068	2420	rundll32.exe	31
PID 2420 wrote to memory of 3068	2420	rundll32.exe	31
PID 2420 wrote to memory of 3068	2420	rundll32.exe	31
PID 2420 wrote to memory of 3068	2420	rundll32.exe	31
PID 2420 wrote to memory of 3068	2420	rundll32.exe	31
PID 2420 wrote to memory of 3068	2420	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d43855837744c76d49098c87872f2def_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d43855837744c76d49098c87872f2def_JaffaCakes118.dll,#1
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2420
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\C977.tmp
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:3068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

C:\Users\Admin\AppData\Local\Temp\C977.tmp

Filesize
504KB

MD5
ca26064361e334e10da0bba35ced6e18

SHA1
cfb6431f0319197202ff07540725c4c9321c74ec

SHA256
798172597f848bda9fb8abf70472457a53292269786a0a6203a721a591dab437

SHA512
0ade1b815e5ec0a58be5d458e4bbd4469fce8381a8af74b1255b074444c27c72236d71c4baae8e107fc4fb482353544285ce2a9f58dc3dbb662efe6bff7d6d7d

Download Submit
memory/2420-0-0x0000000000820000-0x00000000008BA000-memory.dmp

Filesize
616KB

Download
memory/2420-1-0x0000000010000000-0x0000000010099000-memory.dmp

Filesize
612KB

Download
memory/2420-16-0x0000000000820000-0x00000000008BA000-memory.dmp

Filesize
616KB

Download
memory/3068-8-0x0000000010000000-0x000000001006A000-memory.dmp

Filesize
424KB

Download
memory/3068-11-0x00000000001D0000-0x000000000023B000-memory.dmp

Filesize
428KB

Download
memory/3068-7-0x00000000001D0000-0x000000000023B000-memory.dmp

Filesize
428KB

Download
memory/3068-20-0x00000000001D0000-0x000000000023B000-memory.dmp

Filesize
428KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads