63ca844ede2b5f0297ff183d5090afa71376a0cc97ec7fe4b3999351fa9b15b4

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03/02/2024, 03:22

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General

Target

2024-02-03_0c3119e2655d35d12e7a838bec59276e_cryptolocker.exe
Size

38KB
MD5

0c3119e2655d35d12e7a838bec59276e
SHA1

d7a353cf488e597a29b29868bdcece3d78e12fc2
SHA256

63ca844ede2b5f0297ff183d5090afa71376a0cc97ec7fe4b3999351fa9b15b4
SHA512

9f8df2de03ff82d0ba653d02ed99060f9f3ad96d04eff177ae2a7b653017d4d05a3e99e52d134c9ecb80b336db102e671547e017e2a1236db8ee9dba8558d428
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjeJQLI3JnoehFOE:V6QFElP6n+gMQMOtEvwDpjeJQy1hoE

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012327-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012327-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2208	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2060	2024-02-03_0c3119e2655d35d12e7a838bec59276e_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 2060 wrote to memory of 2208	2060	2024-02-03_0c3119e2655d35d12e7a838bec59276e_cryptolocker.exe	28
PID 2060 wrote to memory of 2208	2060	2024-02-03_0c3119e2655d35d12e7a838bec59276e_cryptolocker.exe	28
PID 2060 wrote to memory of 2208	2060	2024-02-03_0c3119e2655d35d12e7a838bec59276e_cryptolocker.exe	28
PID 2060 wrote to memory of 2208	2060	2024-02-03_0c3119e2655d35d12e7a838bec59276e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-03_0c3119e2655d35d12e7a838bec59276e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-03_0c3119e2655d35d12e7a838bec59276e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2208

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
39KB

MD5
814b89eb33032aec5a953e20a8876ce4

SHA1
945038030330e5406a4641fde4aa8b724cabb07d

SHA256
dfeac7f1c2921988359e10b615884d315d42bc9842873d9ae7d6ad01b9b4345d

SHA512
ea58fbd83fcef81cdb1b382314f5c50ff1543b6e2627c2ad7622dccd413a910cb1e77478b206a8014c696f76ee8346b82808926cbaef53b9f0055ba75b0556ac

Download Submit
memory/2060-0-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/2060-1-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2060-8-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/2208-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2208-15-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download