ad69cd37ddff507f08082a1cbf982c4a1c34e226505bd3bc1599c2c18e326993

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
12/05/2024, 14:46

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General

Target

2024-05-12_d4c6d5c5825ee20a1173ffc99272e0d5_cryptolocker.exe
Size

73KB
MD5

d4c6d5c5825ee20a1173ffc99272e0d5
SHA1

55df809ab9f73f333da975d278df6de627d11231
SHA256

ad69cd37ddff507f08082a1cbf982c4a1c34e226505bd3bc1599c2c18e326993
SHA512

d0a1e3db6a79d01ab78a5d43e4e4e52379578a76aa5bb4e84356afd0d41e155ffe1498efa1c8d21a977967356ef101d455085703c099bfa458f3495fb9046186
SSDEEP

768:u6LsoEEeegiZPvEhHSG+gZgtOOtEvwDpjeY10Y/YMss:u6QFElP6n+gWMOtEvwDpjJGYQbs

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000014323-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000014323-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2756	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2392	2024-05-12_d4c6d5c5825ee20a1173ffc99272e0d5_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 2392 wrote to memory of 2756	2392	2024-05-12_d4c6d5c5825ee20a1173ffc99272e0d5_cryptolocker.exe	28
PID 2392 wrote to memory of 2756	2392	2024-05-12_d4c6d5c5825ee20a1173ffc99272e0d5_cryptolocker.exe	28
PID 2392 wrote to memory of 2756	2392	2024-05-12_d4c6d5c5825ee20a1173ffc99272e0d5_cryptolocker.exe	28
PID 2392 wrote to memory of 2756	2392	2024-05-12_d4c6d5c5825ee20a1173ffc99272e0d5_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-12_d4c6d5c5825ee20a1173ffc99272e0d5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-12_d4c6d5c5825ee20a1173ffc99272e0d5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2756

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
73KB

MD5
952173ba5badaaaf6592fbb0ee50ec0f

SHA1
84903d9b9d507ae0d002b96d8264c944d9414875

SHA256
1832ed9b81ec84bb6bf9d023899061c6ee13cd6b51d5261e90541c0f59c04add

SHA512
fa6e917e08b71d0be2d4da045b331e77a91506f6bd4788faa807a9b3d4217ead07ed3e3a571a5aa00bfe07308719016d8808768bae06ff2ef2cc21576fe1c06d

Download Submit
memory/2392-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2392-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2392-8-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2756-15-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2756-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download