9c36c4c116ef160ea8b88193721643a2f6e0140ea2aaad0e6e9156d963f27a44

Analysis

max time kernel
95s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-09-2024 16:30

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General

Target

fac005f5b1f7803bf46f50697b0b3a4e_JaffaCakes118.dll
Size

1.3MB
MD5

fac005f5b1f7803bf46f50697b0b3a4e
SHA1

063776ad1353d745c4b47816798838ce13a37ac4
SHA256

9c36c4c116ef160ea8b88193721643a2f6e0140ea2aaad0e6e9156d963f27a44
SHA512

879ed5e65a0a4ad96304edc52267c76b69a217febb415898e268edda055ccac37a9e3a552fa9ef1db82e8a4c8e78145b0ff4969ba67b5f0e371f42d2a8e416ad
SSDEEP

24576:I1uoD1R9FlL8BKJliZPmMyzbx9WoGgflrGALZwxip:I1cFmMy0er9LYy

Score

8^/10

discovery

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
40	4588	rundll32.exe

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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	rundll32.exe

Executes dropped EXE 1 IoCs

pid	Process
2768	e590bdd.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4384	2768	WerFault.exe	94

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	e590bdd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 4588	2368	rundll32.exe	84
PID 2368 wrote to memory of 4588	2368	rundll32.exe	84
PID 2368 wrote to memory of 4588	2368	rundll32.exe	84
PID 4588 wrote to memory of 2768	4588	rundll32.exe	94
PID 4588 wrote to memory of 2768	4588	rundll32.exe	94
PID 4588 wrote to memory of 2768	4588	rundll32.exe	94

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fac005f5b1f7803bf46f50697b0b3a4e_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fac005f5b1f7803bf46f50697b0b3a4e_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4588
- - C:\Users\Admin\AppData\Local\Temp\e590bdd.exe
    "C:\Users\Admin\AppData\Local\Temp\e590bdd.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2768
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2768 -s 804
      4⤵
      Program crash
      PID:4384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2768 -ip 2768
1⤵
PID:2440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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:\Users\Admin\AppData\Local\Temp\e590bdd.exe

Filesize
9KB

MD5
a014b8961283f1e07d7f31ecdd7db62f

SHA1
70714b6dc8abbaa5d1cba38c047ea3a4ec6ac065

SHA256
21ce0cdfaeb6d7f58bd17545be18f9cd3ac2476939112872d1a05d3164098f89

SHA512
bd0bb1405c7d74c941c5db0d3fd5fbe93544055f79db5076ab293c868568873df98f902c343096ff765be6c4911435617aab2ada15591dfc90606b5630d64869

Download Submit
memory/2768-38-0x0000000000F40000-0x0000000000F48000-memory.dmp

Filesize
32KB

Download
memory/2768-37-0x0000000072B3E000-0x0000000072B3F000-memory.dmp

Filesize
4KB

Download
memory/4588-13-0x0000000002630000-0x00000000026C2000-memory.dmp

Filesize
584KB

Download
memory/4588-15-0x00000000006C0000-0x000000000074C000-memory.dmp

Filesize
560KB

Download
memory/4588-5-0x0000000002580000-0x0000000002625000-memory.dmp

Filesize
660KB

Download
memory/4588-6-0x0000000002630000-0x00000000026C2000-memory.dmp

Filesize
584KB

Download
memory/4588-9-0x0000000002630000-0x00000000026C2000-memory.dmp

Filesize
584KB

Download
memory/4588-0-0x0000000001FF0000-0x000000000213C000-memory.dmp

Filesize
1.3MB

Download
memory/4588-14-0x00000000026D0000-0x00000000030EA000-memory.dmp

Filesize
10.1MB

Download
memory/4588-4-0x0000000001FF0000-0x000000000213C000-memory.dmp

Filesize
1.3MB

Download
memory/4588-16-0x00000000030F0000-0x0000000003176000-memory.dmp

Filesize
536KB

Download
memory/4588-19-0x00000000030F0000-0x0000000003176000-memory.dmp

Filesize
536KB

Download
memory/4588-20-0x00000000000E0000-0x00000000000E3000-memory.dmp

Filesize
12KB

Download
memory/4588-22-0x00000000000F0000-0x00000000000F5000-memory.dmp

Filesize
20KB

Download
memory/4588-3-0x0000000002340000-0x000000000241F000-memory.dmp

Filesize
892KB

Download
memory/4588-2-0x00000000024D0000-0x000000000257B000-memory.dmp

Filesize
684KB

Download
memory/4588-1-0x0000000002340000-0x000000000241F000-memory.dmp

Filesize
892KB

Download
memory/4588-41-0x00000000024D0000-0x000000000257B000-memory.dmp

Filesize
684KB

Download