ce82c5acd4a3b7a1d54d41c65867a1b35f535b789f39e4d1cf47739976deeac3

Analysis

max time kernel
150s
max time network
113s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/09/2024, 14:18

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General

Target

feb47a783236ea6651a8568133af2b32_JaffaCakes118.exe
Size

632KB
MD5

feb47a783236ea6651a8568133af2b32
SHA1

30b494d20a02c5581a07f12c7380778f12d4e184
SHA256

ce82c5acd4a3b7a1d54d41c65867a1b35f535b789f39e4d1cf47739976deeac3
SHA512

024631a9e510b4e4ce7566a71e6f969719d8b413f874c039bca0f096c52c50cd5d6d006cb07ab9214d2080d26a6fd47c15a21ec9e9a3b3f5fa606aee183f2516
SSDEEP

12288:cb+J9Ci2XJG7naTVG4VtKl1n3amDrHvtjbkrXiBhwLCt:++F287naTVG4nKf7vJArXi

Score

8^/10

discovery persistence privilege_escalation

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
15	4352	rundll32.exe

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	rundll32.exe

Loads dropped DLL 3 IoCs

pid	Process
1580	rundll32.exe
624	rundll32.exe
4352	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\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aclpack.dll_xserve = "rundll32.exe \"C:\\Windows\\SysWOW64\\aclpack.dll\",xserve"	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\aclpack.dll	feb47a783236ea6651a8568133af2b32_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	feb47a783236ea6651a8568133af2b32_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3944 wrote to memory of 1580	3944	feb47a783236ea6651a8568133af2b32_JaffaCakes118.exe	82
PID 3944 wrote to memory of 1580	3944	feb47a783236ea6651a8568133af2b32_JaffaCakes118.exe	82
PID 3944 wrote to memory of 1580	3944	feb47a783236ea6651a8568133af2b32_JaffaCakes118.exe	82
PID 1580 wrote to memory of 624	1580	rundll32.exe	83
PID 1580 wrote to memory of 624	1580	rundll32.exe	83
PID 1580 wrote to memory of 624	1580	rundll32.exe	83
PID 1580 wrote to memory of 4352	1580	rundll32.exe	84
PID 1580 wrote to memory of 4352	1580	rundll32.exe	84
PID 1580 wrote to memory of 4352	1580	rundll32.exe	84

C:\Users\Admin\AppData\Local\Temp\feb47a783236ea6651a8568133af2b32_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\feb47a783236ea6651a8568133af2b32_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3944
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Windows\system32\aclpack.dll",install
  2⤵
  - Checks computer location settings
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1580
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" "C:\Windows\system32\aclpack.dll",watch
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:624
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" "C:\Windows\system32\aclpack.dll",xserve
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:4352

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

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\aclpack.dll

Filesize
500KB

MD5
71d83b308281033556c5f80de5f8aff0

SHA1
180465b853c23a9638f63bfc4523c9d2a7589e89

SHA256
55ecdcb357c7d90c5e5b925cb0bf9aad5193b611042c5b0106a313aa9a283f3c

SHA512
493255d19a94487d5a72bd7be900275705a0ba64a75e2ad10161c6afe7a3e4af02012fdd4bfbb3bdc2057e5315b7e328e2ab9fc86e0f0b8261e3de3243f4e5d9

Download Submit
memory/624-15-0x0000000001490000-0x00000000014D0000-memory.dmp

Filesize
256KB

Download
memory/624-23-0x0000000001490000-0x00000000014D0000-memory.dmp

Filesize
256KB

Download
memory/624-24-0x0000000075170000-0x0000000075277000-memory.dmp

Filesize
1.0MB

Download
memory/1580-5-0x0000000075170000-0x0000000075277000-memory.dmp

Filesize
1.0MB

Download
memory/1580-9-0x00000000029E0000-0x0000000002AE0000-memory.dmp

Filesize
1024KB

Download
memory/3944-0-0x0000000002170000-0x0000000002270000-memory.dmp

Filesize
1024KB

Download
memory/3944-1-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/3944-22-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/4352-21-0x00000000021C0000-0x00000000022C0000-memory.dmp

Filesize
1024KB

Download
memory/4352-25-0x0000000075170000-0x0000000075277000-memory.dmp

Filesize
1.0MB

Download
memory/4352-26-0x00000000021C0000-0x00000000022C0000-memory.dmp

Filesize
1024KB

Download