jigsaw | 3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7

Resubmissions

18-09-2023 06:32

230918-ha5eesfe5z 10

11-09-2023 13:52

230911-q6kznage79 10

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20230831-de
resource tags

arch:x64arch:x86image:win7-20230831-delocale:de-deos:windows7-x64systemwindows
submitted
18-09-2023 06:32

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General

Target

3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7.exe
Size

283KB
MD5

2773e3dc59472296cb0024ba7715a64e
SHA1

27d99fbca067f478bb91cdbcb92f13a828b00859
SHA256

3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
SHA512

6ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262
SSDEEP

6144:7fukPLPvucHiQQQ4uuy9ApZbZWxcZt+kTfMLJTOAZiYSXjjeqXus:7fu5cCT7yYlWi8kTfMLJTOAZiYSXjyqX

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

Executes dropped EXE 1 IoCs

pid	Process
2292	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-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows\CurrentVersion\Run\firefox.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Frfx\\firefox.exe"	3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\Lang\ga.txt.fun	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\hy.txt.fun	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\pa-in.txt.fun	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\va.txt.fun	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\ms.txt.fun	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\pt-br.txt.fun	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\tt.txt.fun	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\va.txt	drpbx.exe
File opened for modification	C:\Program Files\Windows Media Player\Network Sharing\wmpnss_color48.bmp	drpbx.exe
File created	C:\Program Files\ConvertDeny.m3u.fun	drpbx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.VisualElementsManifest.xml	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\kk.txt.fun	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\mng.txt.fun	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ro.txt	drpbx.exe
File opened for modification	C:\Program Files\Windows Media Player\Media Renderer\connectionmanager_dmr.xml	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\be.txt.fun	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\bn.txt	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\gl.txt	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\kab.txt	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\sk.txt.fun	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\cs.txt	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\io.txt.fun	drpbx.exe
File opened for modification	C:\Program Files\ImportDismount.xml	drpbx.exe
File opened for modification	C:\Program Files\RenameTrace.mp3	drpbx.exe
File opened for modification	C:\Program Files\Common Files\Services\verisign.bmp	drpbx.exe
File opened for modification	C:\Program Files\Windows Media Player\Network Sharing\wmpnss_color120.png	drpbx.exe
File opened for modification	C:\Program Files\ConvertDeny.m3u	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Microsoft.Office.BusinessApplications.Runtime.xml	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\nl.txt.fun	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\th.txt.fun	drpbx.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\HeartsMCE.png	drpbx.exe
File opened for modification	C:\Program Files\Windows Media Player\Network Sharing\wmpnss_color120.jpg	drpbx.exe
File opened for modification	C:\Program Files\ConvertFromWait.dxf	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\be.txt	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fi.txt	drpbx.exe
File opened for modification	C:\Program Files\Java\jre7\THIRDPARTYLICENSEREADME.txt	drpbx.exe
File created	C:\Program Files (x86)\Microsoft.NET\RedistList\AssemblyList_4_client.xml.fun	drpbx.exe
File created	C:\Program Files\VideoLAN\VLC\AUTHORS.txt.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Media Player\Media Renderer\DMR_120.jpg	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ca.txt	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\gl.txt.fun	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\id.txt.fun	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\ka.txt.fun	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\lv.txt.fun	drpbx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.VisualElementsManifest.xml	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\hr.txt.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows NT\TableTextService\TableTextServiceSimplifiedShuangPin.txt	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\nb.txt	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DissolveNoise.png	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\SketchPadTestSchema.xml.fun	drpbx.exe
File created	C:\Program Files\SubmitStart.tif.fun	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\History.txt	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\ar.txt.fun	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\br.txt	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fy.txt	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sk.txt	drpbx.exe
File opened for modification	C:\Program Files\Windows Media Player\Network Sharing\wmpnss_bw32.bmp	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\lt.txt	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mr.txt	drpbx.exe
File opened for modification	C:\Program Files\Windows Media Player\Network Sharing\ContentDirectory.xml	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ar.txt	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\et.txt	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ga.txt	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\hi.txt	drpbx.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 2292	1792	3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7.exe	28
PID 1792 wrote to memory of 2292	1792	3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7.exe	28
PID 1792 wrote to memory of 2292	1792	3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7.exe	28

C:\Users\Admin\AppData\Local\Temp\3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7.exe
"C:\Users\Admin\AppData\Local\Temp\3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1792
- C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
  "C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:2292

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

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
283KB

MD5
2773e3dc59472296cb0024ba7715a64e

SHA1
27d99fbca067f478bb91cdbcb92f13a828b00859

SHA256
3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7

SHA512
6ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262

Download Submit
C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe

Filesize
283KB

MD5
2773e3dc59472296cb0024ba7715a64e

SHA1
27d99fbca067f478bb91cdbcb92f13a828b00859

SHA256
3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7

SHA512
6ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262

Download Submit
memory/1792-10-0x000007FEF59F0000-0x000007FEF638D000-memory.dmp

Filesize
9.6MB

Download
memory/1792-3-0x000007FEF59F0000-0x000007FEF638D000-memory.dmp

Filesize
9.6MB

Download
memory/1792-1-0x000007FEF59F0000-0x000007FEF638D000-memory.dmp

Filesize
9.6MB

Download
memory/1792-2-0x0000000001F80000-0x0000000002000000-memory.dmp

Filesize
512KB

Download
memory/1792-0-0x0000000000480000-0x00000000004B8000-memory.dmp

Filesize
224KB

Download
memory/2292-11-0x000007FEF59F0000-0x000007FEF638D000-memory.dmp

Filesize
9.6MB

Download
memory/2292-12-0x0000000002030000-0x00000000020B0000-memory.dmp

Filesize
512KB

Download
memory/2292-13-0x000007FEF59F0000-0x000007FEF638D000-memory.dmp

Filesize
9.6MB

Download
memory/2292-14-0x000007FEF59F0000-0x000007FEF638D000-memory.dmp

Filesize
9.6MB

Download
memory/2292-15-0x0000000002030000-0x00000000020B0000-memory.dmp

Filesize
512KB

Download
memory/2292-18-0x000000001AFF0000-0x000000001B040000-memory.dmp

Filesize
320KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads