38458838df88a4a0d06f38883276e124cff12de53e6b7a1d7d80f080aa4e2348

Analysis

max time kernel
138s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2024, 20:41

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General

Target

bd1416f8cba7275fc44205d15761969e_JaffaCakes118.dll
Size

332KB
MD5

bd1416f8cba7275fc44205d15761969e
SHA1

08b0a68772c52d95c5ee068cb10c87d26d7d9773
SHA256

38458838df88a4a0d06f38883276e124cff12de53e6b7a1d7d80f080aa4e2348
SHA512

52cdd1ccd199d0ddd4e47baf4115144a788a7093a8051a62a68192f855033e31684b09d4b279f39eb1bcd78bb11a501380a82c3be78a991cd153731c1d513eac
SSDEEP

6144:+Hi3WJZDzIXHiTKFbK0Y/5AJfc7yZa1+gZbj8JvcLRmg7HoBJ:+CGzQXCMbKh7j+W+vmxe

Score

8^/10

discovery evasion

Malware Config

Signatures

Blocks application from running via registry modification 6 IoCs

Adds application to list of disallowed applications.

evasion

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "yylauncher.exe"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "YY.exe"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "e_patcher.exe"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "e.exe"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	rundll32.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	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1544	rundll32.exe
1544	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1544	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 1544	1752	rundll32.exe	84
PID 1752 wrote to memory of 1544	1752	rundll32.exe	84
PID 1752 wrote to memory of 1544	1752	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd1416f8cba7275fc44205d15761969e_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd1416f8cba7275fc44205d15761969e_JaffaCakes118.dll,#1
  2⤵
  - Blocks application from running via registry modification
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/1544-0-0x0000000010000000-0x0000000010171000-memory.dmp

Filesize
1.4MB

Download
memory/1544-3-0x00000000009C0000-0x00000000009C1000-memory.dmp

Filesize
4KB

Download
memory/1544-1-0x0000000010000000-0x0000000010171000-memory.dmp

Filesize
1.4MB

Download
memory/1544-2-0x0000000010000000-0x0000000010171000-memory.dmp

Filesize
1.4MB

Download