fa50aa6811001122e2a6cf6daa9ff3eedf6c0239b70f83058bb7f76493d6320c

Analysis

max time kernel
154s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
05/08/2023, 10:19

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

68cb2d5bb23fc2342262b0a17641db09_cryptolocker_JC.exe
Size

61KB
MD5

68cb2d5bb23fc2342262b0a17641db09
SHA1

d85dacf760b7af6065395a3c31d472d4256fdf39
SHA256

fa50aa6811001122e2a6cf6daa9ff3eedf6c0239b70f83058bb7f76493d6320c
SHA512

6542a93dba415265386d27f5b58ba1d890884eea644854cebf095ac99a6a47682021a936b3d46a7293848b90c64a276a2aeb45678d39ab948be3ddc82d8cc4f6
SSDEEP

1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYfKhtP5:1nK6a+qdOOtEvwDpjL

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3928	asih.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1960-133-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral2/memory/1960-134-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral2/files/0x000200000001e6d9-147.dat	upx
behavioral2/files/0x000200000001e6d9-149.dat	upx
behavioral2/files/0x000200000001e6d9-150.dat	upx
behavioral2/memory/1960-158-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral2/memory/3928-159-0x0000000000500000-0x000000000050F311-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 3 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 3928	1960	68cb2d5bb23fc2342262b0a17641db09_cryptolocker_JC.exe	85
PID 1960 wrote to memory of 3928	1960	68cb2d5bb23fc2342262b0a17641db09_cryptolocker_JC.exe	85
PID 1960 wrote to memory of 3928	1960	68cb2d5bb23fc2342262b0a17641db09_cryptolocker_JC.exe	85

C:\Users\Admin\AppData\Local\Temp\68cb2d5bb23fc2342262b0a17641db09_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\68cb2d5bb23fc2342262b0a17641db09_cryptolocker_JC.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3928

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\asih.exe

Filesize
61KB

MD5
c007045fe1b32b41ae36fd1ec1347a8a

SHA1
f3bf0013ae83062712ac7543640eda3ba68cf492

SHA256
2a75bd88c4d16e9c8a83abeac66c84dade79a6ffeb456ab8fbdfc5d4ccbbd751

SHA512
7f9f8dbf233c55115701f8b5553f2219ddaca3cb6a525a341a48dd9b7975ae16dacc8387f15bd6bf433263147d49add3b2c10682db0379e221a3b0588c662843

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

Filesize
61KB

MD5
c007045fe1b32b41ae36fd1ec1347a8a

SHA1
f3bf0013ae83062712ac7543640eda3ba68cf492

SHA256
2a75bd88c4d16e9c8a83abeac66c84dade79a6ffeb456ab8fbdfc5d4ccbbd751

SHA512
7f9f8dbf233c55115701f8b5553f2219ddaca3cb6a525a341a48dd9b7975ae16dacc8387f15bd6bf433263147d49add3b2c10682db0379e221a3b0588c662843

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

Filesize
61KB

MD5
c007045fe1b32b41ae36fd1ec1347a8a

SHA1
f3bf0013ae83062712ac7543640eda3ba68cf492

SHA256
2a75bd88c4d16e9c8a83abeac66c84dade79a6ffeb456ab8fbdfc5d4ccbbd751

SHA512
7f9f8dbf233c55115701f8b5553f2219ddaca3cb6a525a341a48dd9b7975ae16dacc8387f15bd6bf433263147d49add3b2c10682db0379e221a3b0588c662843

Download Submit
memory/1960-133-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/1960-134-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/1960-135-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/1960-136-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/1960-137-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/1960-158-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/3928-159-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download