fd79f7db8afd10818fe9cd299d27387bd1508df48a5c1f32403a3c3f4c97e2ff

Analysis

max time kernel
150s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/09/2024, 10:26

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General

Target

f5cd437423d180353938fac676f1d9a5_JaffaCakes118.dll
Size

25KB
MD5

f5cd437423d180353938fac676f1d9a5
SHA1

94132fe786fa1f45010c5fc3e26e2c852e0aff16
SHA256

fd79f7db8afd10818fe9cd299d27387bd1508df48a5c1f32403a3c3f4c97e2ff
SHA512

2a1c1f3cddcb56c9e8b794a07c53b0ef80fd3c3bebfe6b61fd061a6ee6a6268de194af6cf919eb886c4d87e600f47925cba6b3e5dbbd1e5ab48cb431abc55f99
SSDEEP

384:0mjO+epLnUIs/KjstHzYiIEiiOJqWJ/cefdyB3PMQeI/9eTFtr4ujA:pKzpg3KCYiIvYWJwMQeCeTFtrdjA

Score

7^/10

discovery persistence

Malware Config

Signatures

Loads dropped DLL 3 IoCs

pid	Process
3416	rundll32.exe
3416	rundll32.exe
2296	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MSServer = "rundll32.exe C:\\Windows\\system32\\hgGwUnKe.dll,#1"	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\hgGwUnKe.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\hgGwUnKe.dll	rundll32.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	rundll32.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C6EAE9D4-5BAB-4310-B8B9-855CFE1FFFBD}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C6EAE9D4-5BAB-4310-B8B9-855CFE1FFFBD}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C6EAE9D4-5BAB-4310-B8B9-855CFE1FFFBD}\InprocServer32\ = "C:\\Windows\\SysWow64\\hgGwUnKe.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C6EAE9D4-5BAB-4310-B8B9-855CFE1FFFBD}\InprocServer32\ThreadingModel = "Both"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3416	rundll32.exe
3416	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe
2296	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3416	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3416	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3416	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4088 wrote to memory of 3416	4088	rundll32.exe	84
PID 4088 wrote to memory of 3416	4088	rundll32.exe	84
PID 4088 wrote to memory of 3416	4088	rundll32.exe	84
PID 3416 wrote to memory of 616	3416	rundll32.exe	5
PID 3416 wrote to memory of 2296	3416	rundll32.exe	93
PID 3416 wrote to memory of 2296	3416	rundll32.exe	93
PID 3416 wrote to memory of 2296	3416	rundll32.exe	93

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:616

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f5cd437423d180353938fac676f1d9a5_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4088
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f5cd437423d180353938fac676f1d9a5_JaffaCakes118.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3416
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Windows\system32\hgGwUnKe.dll,a
    3⤵
    - Loads dropped DLL
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    PID:2296

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:\Windows\SysWOW64\hgGwUnKe.dll

Filesize
25KB

MD5
f5cd437423d180353938fac676f1d9a5

SHA1
94132fe786fa1f45010c5fc3e26e2c852e0aff16

SHA256
fd79f7db8afd10818fe9cd299d27387bd1508df48a5c1f32403a3c3f4c97e2ff

SHA512
2a1c1f3cddcb56c9e8b794a07c53b0ef80fd3c3bebfe6b61fd061a6ee6a6268de194af6cf919eb886c4d87e600f47925cba6b3e5dbbd1e5ab48cb431abc55f99

Download Submit
memory/2296-15-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/2296-16-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/2296-17-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/3416-0-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/3416-1-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/3416-8-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/3416-10-0x0000000000EB0000-0x0000000000EC2000-memory.dmp

Filesize
72KB

Download