9d086957c0c5144e230854368a6b0eee11256b3797e194197b35cbfc91ffe825

Analysis

max time kernel
125s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01/07/2024, 07:57

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General

Target

1a840a3c705ef55e0ed6262ac41d516a_JaffaCakes118.exe
Size

267KB
MD5

1a840a3c705ef55e0ed6262ac41d516a
SHA1

ab570527a9f49389c6aa4ac4b55249eaa86b1cca
SHA256

9d086957c0c5144e230854368a6b0eee11256b3797e194197b35cbfc91ffe825
SHA512

62088596d2f3ad6a85abb0a71ca7571e2c88a9c65bccfa1065cfbe6c1783cf2850e102b7864789962a607167b10bebb1c6c37a95b5eb173f3cb5f079028c64d1
SSDEEP

3072:kxvypKnQxFIsBEs6ijRj7v5tAvSNZHd0VYclOL2ZPhwo1XrwFEP4h:GU0sX5LtGSNaYc3Z1XrwFEP4h

Score

7^/10

Malware Config

Signatures

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-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	1a840a3c705ef55e0ed6262ac41d516a_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
1068	3..exe
624	3..exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\world2.html	1a840a3c705ef55e0ed6262ac41d516a_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\3..exe	1a840a3c705ef55e0ed6262ac41d516a_JaffaCakes118.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
3036	624	WerFault.exe	91

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
4628	notepad.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 4628	1688	1a840a3c705ef55e0ed6262ac41d516a_JaffaCakes118.exe	88
PID 1688 wrote to memory of 4628	1688	1a840a3c705ef55e0ed6262ac41d516a_JaffaCakes118.exe	88
PID 1688 wrote to memory of 4628	1688	1a840a3c705ef55e0ed6262ac41d516a_JaffaCakes118.exe	88
PID 1688 wrote to memory of 1068	1688	1a840a3c705ef55e0ed6262ac41d516a_JaffaCakes118.exe	89
PID 1688 wrote to memory of 1068	1688	1a840a3c705ef55e0ed6262ac41d516a_JaffaCakes118.exe	89
PID 1688 wrote to memory of 1068	1688	1a840a3c705ef55e0ed6262ac41d516a_JaffaCakes118.exe	89
PID 1068 wrote to memory of 624	1068	3..exe	91
PID 1068 wrote to memory of 624	1068	3..exe	91
PID 1068 wrote to memory of 624	1068	3..exe	91

C:\Users\Admin\AppData\Local\Temp\1a840a3c705ef55e0ed6262ac41d516a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1a840a3c705ef55e0ed6262ac41d516a_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\SysWOW64\notepad.exe
  "C:\Windows\System32\notepad.exe" "C:\Windows\system32\world2.html"
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:4628
- C:\Windows\SysWOW64\3..exe
  "C:\Windows\system32\3..exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1068
- - C:\Windows\SysWOW64\3..exe
    StubPath
    3⤵
    - Executes dropped EXE
    PID:624
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 624 -s 480
      4⤵
      Program crash
      PID:3036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 624 -ip 624
1⤵
PID:3532

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3236,i,16488180140590516186,11762960689811837350,262144 --variations-seed-version --mojo-platform-channel-handle=4144 /prefetch:8
1⤵
PID:2728

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:\Windows\SysWOW64\3..exe

Filesize
10KB

MD5
fef48b2345e8030fd734145721fa5f98

SHA1
4259e9fce66621889909833ad9d07fa29ec91135

SHA256
5ff8b971dfdcf93c673b8f0f76012de35d0a2ac11bda1ff3480d979efbc55ac6

SHA512
5c191c892f0a771902fcf9b593fae78499a8cb21c655867a3c6bbb3faf5caf466d705ec5fd8ce1d17625083dea9ce0da1feff01caeb4320df04a0038f724055a

Download Submit
C:\Windows\SysWOW64\world2.html

Filesize
151B

MD5
c2c9349012ee49ec51945f5b2aa45935

SHA1
37e4651e12ce98c0e76bf727addf78b245830a72

SHA256
eb40c81ecb4d8eeb4c9810f834b7c3583c21388865f5290a9f5993021ca80a64

SHA512
1947544bccd6b6d2419db8cab17bf356e5e398fd93e8913ffb84ed90bed47370a8dc99d97f4d2e12957b25ef4bd7e4973c91b7238a98fbc79121f3fb7469c072

Download Submit
memory/624-13-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/624-15-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1068-10-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1068-12-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1688-8-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download