8a3903351b5c562cca29f3015818710209c905281eb5d951c0e09be493476ebc

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
03/08/2023, 15:31

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General

Target

49c6d3ab365df2506900dfdb299bb59b_cryptolocker_JC.exe
Size

30KB
MD5

49c6d3ab365df2506900dfdb299bb59b
SHA1

5d70650f870dc481a683687c9b85a88688143acb
SHA256

8a3903351b5c562cca29f3015818710209c905281eb5d951c0e09be493476ebc
SHA512

d3296aa3d6ffaff1b80be2c950515f0d24c2ac15e97945ccff7b3311fd5db996725c24349ab35e89bbfa69652a338d69acd41fbe76b2e8dc7561d2d0c6f06ab0
SSDEEP

384:bmM0V/YPvnr801TRoUGPh4TKt6ATt1DqgPa3s/zzoi0W/3lksIi:b7o/2n1TCraU6GD1a4X0W/1kxi

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2140	rewok.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 1648 wrote to memory of 2140	1648	49c6d3ab365df2506900dfdb299bb59b_cryptolocker_JC.exe	81
PID 1648 wrote to memory of 2140	1648	49c6d3ab365df2506900dfdb299bb59b_cryptolocker_JC.exe	81
PID 1648 wrote to memory of 2140	1648	49c6d3ab365df2506900dfdb299bb59b_cryptolocker_JC.exe	81

C:\Users\Admin\AppData\Local\Temp\49c6d3ab365df2506900dfdb299bb59b_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\49c6d3ab365df2506900dfdb299bb59b_cryptolocker_JC.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Users\Admin\AppData\Local\Temp\rewok.exe
  "C:\Users\Admin\AppData\Local\Temp\rewok.exe"
  2⤵
  - Executes dropped EXE
  PID:2140

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\Temp\rewok.exe

Filesize
30KB

MD5
a04933ec457e1f2479faafd0acba5c0c

SHA1
b1b9253aa17a8bb73c515f2e0f39e7baf37476b1

SHA256
2be56526522a0c14fea50183e0559835f07c857880ad1fd7ce0e5cc81f1ecebc

SHA512
fb805de195240bb54b2ce42f54525424e92cfd942cec9a9772106ab4ac67536bd0c16c507fae2fb5d6788bd656349732342ef8087a86ad3282b7d8d1590188d5

Download Submit
C:\Users\Admin\AppData\Local\Temp\rewok.exe

Filesize
30KB

MD5
a04933ec457e1f2479faafd0acba5c0c

SHA1
b1b9253aa17a8bb73c515f2e0f39e7baf37476b1

SHA256
2be56526522a0c14fea50183e0559835f07c857880ad1fd7ce0e5cc81f1ecebc

SHA512
fb805de195240bb54b2ce42f54525424e92cfd942cec9a9772106ab4ac67536bd0c16c507fae2fb5d6788bd656349732342ef8087a86ad3282b7d8d1590188d5

Download Submit
C:\Users\Admin\AppData\Local\Temp\rewok.exe

Filesize
30KB

MD5
a04933ec457e1f2479faafd0acba5c0c

SHA1
b1b9253aa17a8bb73c515f2e0f39e7baf37476b1

SHA256
2be56526522a0c14fea50183e0559835f07c857880ad1fd7ce0e5cc81f1ecebc

SHA512
fb805de195240bb54b2ce42f54525424e92cfd942cec9a9772106ab4ac67536bd0c16c507fae2fb5d6788bd656349732342ef8087a86ad3282b7d8d1590188d5

Download Submit
memory/1648-133-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/1648-134-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/1648-135-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2140-153-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download