07a05e3a636119cd9a5ba381907bd81cb83426ff826d7c81099cdf8273e6fc2c

Analysis

max time kernel
139s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2023, 14:19

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2a813963a5caedeb4219c8f39caa1806_cryptolocker_JC.exe
Size

64KB
MD5

2a813963a5caedeb4219c8f39caa1806
SHA1

69b08e7a62e681de591b99bb86e8a3b9512badf7
SHA256

07a05e3a636119cd9a5ba381907bd81cb83426ff826d7c81099cdf8273e6fc2c
SHA512

175c9a7644acbc690709663ad6a5548e90bd4981bdb6713c7a5cddef1d9db602d32207db2f7d9921e046df25e5ce25d8368531bea41b3d51e220d56ea99a2457
SSDEEP

1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAvz:z6a+CdOOtEvwDpjQM

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1192	asih.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3752-133-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x00060000000230b2-146.dat	upx
behavioral2/files/0x00060000000230b2-148.dat	upx
behavioral2/files/0x00060000000230b2-149.dat	upx
behavioral2/memory/3752-157-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/1192-158-0x0000000000500000-0x0000000000510000-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 3 IoCs

description	pid	Process	procid_target
PID 3752 wrote to memory of 1192	3752	2a813963a5caedeb4219c8f39caa1806_cryptolocker_JC.exe	81
PID 3752 wrote to memory of 1192	3752	2a813963a5caedeb4219c8f39caa1806_cryptolocker_JC.exe	81
PID 3752 wrote to memory of 1192	3752	2a813963a5caedeb4219c8f39caa1806_cryptolocker_JC.exe	81

C:\Users\Admin\AppData\Local\Temp\2a813963a5caedeb4219c8f39caa1806_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2a813963a5caedeb4219c8f39caa1806_cryptolocker_JC.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3752
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1192

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
64KB

MD5
493092832723c5e59662342e27c77c36

SHA1
3dbeef8211da9f078581fc537a2f5ba32d716d6d

SHA256
3415262fc8b550598ceebe9a7d15b1bb03e5ac2042b0a7d63ef521c6ba3ee197

SHA512
705160f933e68b76c8aec1de1baf8694f2237c3533dafec3ac4fb988cdc72cd2345f281e0353a1a6db9d6e777f0cf30b615c17f181073c80e71f434111bef95b

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

Filesize
64KB

MD5
493092832723c5e59662342e27c77c36

SHA1
3dbeef8211da9f078581fc537a2f5ba32d716d6d

SHA256
3415262fc8b550598ceebe9a7d15b1bb03e5ac2042b0a7d63ef521c6ba3ee197

SHA512
705160f933e68b76c8aec1de1baf8694f2237c3533dafec3ac4fb988cdc72cd2345f281e0353a1a6db9d6e777f0cf30b615c17f181073c80e71f434111bef95b

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

Filesize
64KB

MD5
493092832723c5e59662342e27c77c36

SHA1
3dbeef8211da9f078581fc537a2f5ba32d716d6d

SHA256
3415262fc8b550598ceebe9a7d15b1bb03e5ac2042b0a7d63ef521c6ba3ee197

SHA512
705160f933e68b76c8aec1de1baf8694f2237c3533dafec3ac4fb988cdc72cd2345f281e0353a1a6db9d6e777f0cf30b615c17f181073c80e71f434111bef95b

Download Submit
memory/1192-151-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/1192-158-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3752-133-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3752-134-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3752-135-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3752-136-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/3752-157-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download