jigsaw | 0e70bac97f8a8d4eda6347afe83c870b6f87f05f2fe3e7fb0bfcad7b29d0c5e5

Resubmissions

19-05-2024 13:56

240519-q8s32sah73 10

11-05-2024 08:02

240511-jxchlafd8x 10

Analysis

max time kernel
155s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11-05-2024 08:02

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General

Target

JigsawRansomware.exe
Size

47KB
MD5

ed3a9817328547480076ef8e1e48bc0b
SHA1

218a7b659078f07892d3e9a9905324b0eb95a5ba
SHA256

0e70bac97f8a8d4eda6347afe83c870b6f87f05f2fe3e7fb0bfcad7b29d0c5e5
SHA512

f0e44829ac76c832bf67bd11193f9d3fb91e13f34110c6dd9f751dc79e2605811a99f149e942509d8dfbb7e461adb6d95735ff6fd378527ea4755fbf98034bf4
SSDEEP

768:BvqfRgrW3UJR/01V+FIpUY21RTjI4I17i6WrggpWxjW6msMev+JN5uMYqDYY:QfKrGUXyYFIpUYIpIRi7xyGsMev+JNwg

Score

10^/10

jigsaw persistence ransomware

Malware Config

Signatures

Jigsaw Ransomware
Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.
ransomware jigsaw

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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	JigsawRansomware.exe

Executes dropped EXE 1 IoCs

pid	Process
3020	drpbx.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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\firefox.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Frfx\\firefox.exe"	JigsawRansomware.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1300 wrote to memory of 3020	1300	JigsawRansomware.exe	94
PID 1300 wrote to memory of 3020	1300	JigsawRansomware.exe	94

C:\Users\Admin\AppData\Local\Temp\JigsawRansomware.exe
"C:\Users\Admin\AppData\Local\Temp\JigsawRansomware.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1300
- C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
  "C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\JigsawRansomware.exe
  2⤵
  - Executes dropped EXE
  PID:3020

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 --mojo-platform-channel-handle=3816 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
1⤵
PID:4996

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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\Drpbx\drpbx.exe

Filesize
47KB

MD5
ed3a9817328547480076ef8e1e48bc0b

SHA1
218a7b659078f07892d3e9a9905324b0eb95a5ba

SHA256
0e70bac97f8a8d4eda6347afe83c870b6f87f05f2fe3e7fb0bfcad7b29d0c5e5

SHA512
f0e44829ac76c832bf67bd11193f9d3fb91e13f34110c6dd9f751dc79e2605811a99f149e942509d8dfbb7e461adb6d95735ff6fd378527ea4755fbf98034bf4

Download Submit
memory/1300-8-0x0000000000CA0000-0x0000000000D3C000-memory.dmp

Filesize
624KB

Download
memory/1300-7-0x0000000000AF0000-0x0000000000B06000-memory.dmp

Filesize
88KB

Download
memory/1300-3-0x000000001BA10000-0x000000001BEDE000-memory.dmp

Filesize
4.8MB

Download
memory/1300-4-0x00007FF9D6085000-0x00007FF9D6086000-memory.dmp

Filesize
4KB

Download
memory/1300-1-0x00007FF9D5DD0000-0x00007FF9D6771000-memory.dmp

Filesize
9.6MB

Download
memory/1300-6-0x00007FF9D5DD0000-0x00007FF9D6771000-memory.dmp

Filesize
9.6MB

Download
memory/1300-2-0x00007FF9D5DD0000-0x00007FF9D6771000-memory.dmp

Filesize
9.6MB

Download
memory/1300-0-0x00007FF9D6085000-0x00007FF9D6086000-memory.dmp

Filesize
4KB

Download
memory/1300-5-0x00007FF9D5DD0000-0x00007FF9D6771000-memory.dmp

Filesize
9.6MB

Download
memory/1300-26-0x00007FF9D5DD0000-0x00007FF9D6771000-memory.dmp

Filesize
9.6MB

Download
memory/3020-22-0x00007FF9D5DD0000-0x00007FF9D6771000-memory.dmp

Filesize
9.6MB

Download
memory/3020-23-0x00007FF9D5DD0000-0x00007FF9D6771000-memory.dmp

Filesize
9.6MB

Download
memory/3020-24-0x0000000000900000-0x0000000000916000-memory.dmp

Filesize
88KB

Download
memory/3020-21-0x00007FF9D5DD0000-0x00007FF9D6771000-memory.dmp

Filesize
9.6MB

Download
memory/3020-27-0x00007FF9D5DD0000-0x00007FF9D6771000-memory.dmp

Filesize
9.6MB

Download
memory/3020-28-0x0000000000700000-0x0000000000708000-memory.dmp

Filesize
32KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads