51f563606236b9adacec2d8934aedea4a4470a8f8452d141a2db51673c998cc7

Analysis

max time kernel
134s
max time network
149s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
04-08-2023 15:34

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5b2f76bc85253552b3842f03affa0302_cryptolocker_JC.exe
Size

88KB
MD5

5b2f76bc85253552b3842f03affa0302
SHA1

9986da112b32bce61da5e2255bfe13c74083738c
SHA256

51f563606236b9adacec2d8934aedea4a4470a8f8452d141a2db51673c998cc7
SHA512

7c22dbe7f18fe3813492644e71b32969586d2ce0b08afa139afda72db8651f56f5611dbd6a482f033d12d344d0a1effc08d42881de295035af15d4501577b61c
SSDEEP

1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjy:zCsanOtEvwDpjL

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2016	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1968	5b2f76bc85253552b3842f03affa0302_cryptolocker_JC.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1968-53-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0008000000012028-64.dat	upx
behavioral1/files/0x0008000000012028-69.dat	upx
behavioral1/memory/1968-68-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2016-70-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0008000000012028-78.dat	upx
behavioral1/memory/2016-79-0x0000000000500000-0x0000000000510000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 2016	1968	5b2f76bc85253552b3842f03affa0302_cryptolocker_JC.exe	28
PID 1968 wrote to memory of 2016	1968	5b2f76bc85253552b3842f03affa0302_cryptolocker_JC.exe	28
PID 1968 wrote to memory of 2016	1968	5b2f76bc85253552b3842f03affa0302_cryptolocker_JC.exe	28
PID 1968 wrote to memory of 2016	1968	5b2f76bc85253552b3842f03affa0302_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\5b2f76bc85253552b3842f03affa0302_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\5b2f76bc85253552b3842f03affa0302_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2016

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

Loading Replay Monitor...

Downloads

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

Filesize
88KB

MD5
a157585ac75d53db8ff810bb415b3063

SHA1
3f2bbeff8501392200057822bb4c1e80308b2c2e

SHA256
529fbd051daa41f6ff69a39bed3fddf11002af0b4485e8a43953f7511e40155d

SHA512
7a6d3a0bd87369c682ed4084f53af8b56146378227341949f4240b92f1bc9e36a8bb9d8d0e9586b5623b2370ea57471a44267bd1b80917073bedbb7e0b4cfb9f

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

Filesize
88KB

MD5
a157585ac75d53db8ff810bb415b3063

SHA1
3f2bbeff8501392200057822bb4c1e80308b2c2e

SHA256
529fbd051daa41f6ff69a39bed3fddf11002af0b4485e8a43953f7511e40155d

SHA512
7a6d3a0bd87369c682ed4084f53af8b56146378227341949f4240b92f1bc9e36a8bb9d8d0e9586b5623b2370ea57471a44267bd1b80917073bedbb7e0b4cfb9f

Download Submit
\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
88KB

MD5
a157585ac75d53db8ff810bb415b3063

SHA1
3f2bbeff8501392200057822bb4c1e80308b2c2e

SHA256
529fbd051daa41f6ff69a39bed3fddf11002af0b4485e8a43953f7511e40155d

SHA512
7a6d3a0bd87369c682ed4084f53af8b56146378227341949f4240b92f1bc9e36a8bb9d8d0e9586b5623b2370ea57471a44267bd1b80917073bedbb7e0b4cfb9f

Download Submit
memory/1968-53-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1968-54-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1968-56-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1968-55-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/1968-68-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1968-66-0x0000000000600000-0x0000000000610000-memory.dmp

Filesize
64KB

Download
memory/2016-70-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2016-79-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download