da77c3e9f2a3e8ae8bce8df16229b63faa26fe8c53dff1d79b1313829f4fa887

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/04/2024, 18:41

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General

Target

ebbd6fd97bc0685a385126c92c6917fd_JaffaCakes118.dll
Size

1.3MB
MD5

ebbd6fd97bc0685a385126c92c6917fd
SHA1

a9259be57b32b5178c8f2d48569c1778462a9743
SHA256

da77c3e9f2a3e8ae8bce8df16229b63faa26fe8c53dff1d79b1313829f4fa887
SHA512

aa743409730aeb4035e86691bffaf92e226ea2cc09ea2dd8d3007bb754ee1c429d890405e74644ac7e313200d14e024d0a2bf5ef75ef01d400255b89c68b6709
SSDEEP

24576:GtE5co3MnQXOCQevEQBX1tYrPTnhwWpMCBd4uOMG:GLjQXOg1Kvn7/G

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
33	1640	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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	rundll32.exe

Executes dropped EXE 1 IoCs

pid	Process
3124	e584716.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
384	3124	WerFault.exe	92

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 1640	4988	rundll32.exe	83
PID 4988 wrote to memory of 1640	4988	rundll32.exe	83
PID 4988 wrote to memory of 1640	4988	rundll32.exe	83
PID 1640 wrote to memory of 3124	1640	rundll32.exe	92
PID 1640 wrote to memory of 3124	1640	rundll32.exe	92
PID 1640 wrote to memory of 3124	1640	rundll32.exe	92

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ebbd6fd97bc0685a385126c92c6917fd_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4988
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ebbd6fd97bc0685a385126c92c6917fd_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:1640
- - C:\Users\Admin\AppData\Local\Temp\e584716.exe
    "C:\Users\Admin\AppData\Local\Temp\e584716.exe"
    3⤵
    - Executes dropped EXE
    PID:3124
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3124 -s 808
      4⤵
      Program crash
      PID:384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3124 -ip 3124
1⤵
PID:5112

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\e584716.exe

Filesize
21KB

MD5
858939a54a0406e5be7220b92b6eb2b3

SHA1
da24c0b6f723a74a8ec59e58c9c0aea3e86b7109

SHA256
a30f30a109cb78d5eb1969f6c13f01a1e0a5f07b7ad8b133f5d2616223c1ce0a

SHA512
8875d1e43ea59314695747796894a2f171e92f7b04024dbc529af1497331489e279cd06ea03061288089d2f07ad437178b9d62f0bae2e16ae0b95c5681569401

Download Submit
memory/1640-12-0x0000000003740000-0x00000000037D4000-memory.dmp

Filesize
592KB

Download
memory/1640-1-0x0000000002DA0000-0x0000000002E7F000-memory.dmp

Filesize
892KB

Download
memory/1640-3-0x0000000002F40000-0x0000000002FEF000-memory.dmp

Filesize
700KB

Download
memory/1640-4-0x0000000003000000-0x000000000309C000-memory.dmp

Filesize
624KB

Download
memory/1640-5-0x0000000003000000-0x000000000309C000-memory.dmp

Filesize
624KB

Download
memory/1640-7-0x0000000003000000-0x000000000309C000-memory.dmp

Filesize
624KB

Download
memory/1640-8-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1640-10-0x0000000003000000-0x000000000309C000-memory.dmp

Filesize
624KB

Download
memory/1640-0-0x0000000002630000-0x0000000002631000-memory.dmp

Filesize
4KB

Download
memory/1640-11-0x00000000030A0000-0x000000000373D000-memory.dmp

Filesize
6.6MB

Download
memory/1640-17-0x0000000000A40000-0x0000000000A44000-memory.dmp

Filesize
16KB

Download
memory/1640-16-0x00000000037E0000-0x000000000386E000-memory.dmp

Filesize
568KB

Download
memory/1640-13-0x00000000037E0000-0x000000000386E000-memory.dmp

Filesize
568KB

Download
memory/1640-18-0x0000000000A50000-0x0000000000A56000-memory.dmp

Filesize
24KB

Download
memory/1640-20-0x0000000002DA0000-0x0000000002E7F000-memory.dmp

Filesize
892KB

Download
memory/1640-22-0x0000000002E80000-0x0000000002F36000-memory.dmp

Filesize
728KB

Download
memory/1640-2-0x0000000002E80000-0x0000000002F36000-memory.dmp

Filesize
728KB

Download
memory/3124-36-0x00000000009C0000-0x00000000009C8000-memory.dmp

Filesize
32KB

Download
memory/3124-37-0x0000000072F70000-0x0000000073720000-memory.dmp

Filesize
7.7MB

Download
memory/3124-39-0x0000000072F70000-0x0000000073720000-memory.dmp

Filesize
7.7MB

Download