836690af25130fbebe07383012d6b9eb360add06d9471a13601b8b656ba03cce

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
21/08/2023, 15:17

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5b878bdd4c84b2193c7b6b9e544be4e1_cryptolocker_JC.exe
Size

50KB
MD5

5b878bdd4c84b2193c7b6b9e544be4e1
SHA1

6ac29f77ac4ff107476ca548408d35284c8f49f3
SHA256

836690af25130fbebe07383012d6b9eb360add06d9471a13601b8b656ba03cce
SHA512

104be939904ce177b15000913689c3b289b21dc8fadbb56b6d81138944e88cc58e20dc4f3c1fbc7e261fae603f17c92d539b2f0568500fd7381fc72249991fb3
SSDEEP

768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5QCj5:6j+1NMOtEvwDpjr8oxEg5

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2376	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2404	5b878bdd4c84b2193c7b6b9e544be4e1_cryptolocker_JC.exe

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 2404 wrote to memory of 2376	2404	5b878bdd4c84b2193c7b6b9e544be4e1_cryptolocker_JC.exe	28
PID 2404 wrote to memory of 2376	2404	5b878bdd4c84b2193c7b6b9e544be4e1_cryptolocker_JC.exe	28
PID 2404 wrote to memory of 2376	2404	5b878bdd4c84b2193c7b6b9e544be4e1_cryptolocker_JC.exe	28
PID 2404 wrote to memory of 2376	2404	5b878bdd4c84b2193c7b6b9e544be4e1_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\5b878bdd4c84b2193c7b6b9e544be4e1_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\5b878bdd4c84b2193c7b6b9e544be4e1_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2376

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
50KB

MD5
5a50464c91366accd9f9f0568edf14da

SHA1
fee195fbe47d8132382da416ea986c6cd11ed2e2

SHA256
71f3d1dc7a220507a58667f0cf9ad87a008dc774df635921194d7942f8a55c1d

SHA512
5ffb8b1800260e21740167a149bf78733e298921fe076b192614841c25ae725bb8a428a78b45fb38c55e6116faf97e68cc95607f0f7d46342c60aeed1854c08d

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

Filesize
50KB

MD5
5a50464c91366accd9f9f0568edf14da

SHA1
fee195fbe47d8132382da416ea986c6cd11ed2e2

SHA256
71f3d1dc7a220507a58667f0cf9ad87a008dc774df635921194d7942f8a55c1d

SHA512
5ffb8b1800260e21740167a149bf78733e298921fe076b192614841c25ae725bb8a428a78b45fb38c55e6116faf97e68cc95607f0f7d46342c60aeed1854c08d

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

Filesize
50KB

MD5
5a50464c91366accd9f9f0568edf14da

SHA1
fee195fbe47d8132382da416ea986c6cd11ed2e2

SHA256
71f3d1dc7a220507a58667f0cf9ad87a008dc774df635921194d7942f8a55c1d

SHA512
5ffb8b1800260e21740167a149bf78733e298921fe076b192614841c25ae725bb8a428a78b45fb38c55e6116faf97e68cc95607f0f7d46342c60aeed1854c08d

Download Submit
memory/2376-74-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2376-71-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2376-73-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2376-82-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2404-67-0x00000000004E0000-0x00000000004EF000-memory.dmp

Filesize
60KB

Download
memory/2404-69-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2404-56-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2404-57-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2404-54-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2404-55-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2404-81-0x00000000004E0000-0x00000000004EF000-memory.dmp

Filesize
60KB

Download