47a6e1d7b24438163014b30b8e3bf741dfd2b58d630b122f7f1c323bad170416

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
30/05/2024, 21:24

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General

Target

2024-05-30_977ac5657ad6e6148506449185a5e3dd_cryptolocker.exe
Size

51KB
MD5

977ac5657ad6e6148506449185a5e3dd
SHA1

d0273819eee9d2c6ffd021bafcd157fac54b3211
SHA256

47a6e1d7b24438163014b30b8e3bf741dfd2b58d630b122f7f1c323bad170416
SHA512

6566b489f13341761a7b45f19bc507d0e051ab12c7ab424a2e7ec9db9ff08f2acee943cafb788ec6c8216eef69dd7c3d0f7910e174466597500edaf0d8b652aa
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu55id3AMWZUp:X6QFElP6n+gJQMOtEvwDpjB0GIWiWLqp

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0010000000012272-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0010000000012272-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1704	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2176	2024-05-30_977ac5657ad6e6148506449185a5e3dd_cryptolocker.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 2176 wrote to memory of 1704	2176	2024-05-30_977ac5657ad6e6148506449185a5e3dd_cryptolocker.exe	28
PID 2176 wrote to memory of 1704	2176	2024-05-30_977ac5657ad6e6148506449185a5e3dd_cryptolocker.exe	28
PID 2176 wrote to memory of 1704	2176	2024-05-30_977ac5657ad6e6148506449185a5e3dd_cryptolocker.exe	28
PID 2176 wrote to memory of 1704	2176	2024-05-30_977ac5657ad6e6148506449185a5e3dd_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-30_977ac5657ad6e6148506449185a5e3dd_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-30_977ac5657ad6e6148506449185a5e3dd_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1704

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

\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
51KB

MD5
af75fab4f1d2b8bbdbcbecaef1e988b2

SHA1
df5ad8319de236f6b7c7e5a2f018ea9974f57960

SHA256
ec57c03405fa53145ff25844a0a6f357cb020bd28557198441a84a82936d4975

SHA512
0c8a5842702d22106875317d80e168399750a87b5467dafaa6840cb94d89d3c2a59059478846dddf3105815d079be2f7d1f0051b5e7c2173cfb47cdd6994722a

Download Submit
memory/1704-15-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1704-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2176-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2176-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2176-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download