d453290e04e27bd9f44c0196e8d41a8e3d4d64b3b8c61db34ea143e9e057a1a6

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
24/02/2024, 14:29

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General

Target

2024-02-24_323acda3834385c7967485aaccd9c848_cryptolocker.exe
Size

43KB
MD5

323acda3834385c7967485aaccd9c848
SHA1

be0bf6e703100344559dfe959e588423ec42631b
SHA256

d453290e04e27bd9f44c0196e8d41a8e3d4d64b3b8c61db34ea143e9e057a1a6
SHA512

390fd9905520b00abbed397b5044c51a95f6831bfc5d3c349c2d0c3854083eda0e2ff0cc7b1cc621a142a644edb8315eded97fed888c63a5cb89c5366634f63e
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzz2U:V6QFElP6n+gMQMOtEvwDpjyaYaFAHU

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012253-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012253-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2952	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2908	2024-02-24_323acda3834385c7967485aaccd9c848_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 2908 wrote to memory of 2952	2908	2024-02-24_323acda3834385c7967485aaccd9c848_cryptolocker.exe	28
PID 2908 wrote to memory of 2952	2908	2024-02-24_323acda3834385c7967485aaccd9c848_cryptolocker.exe	28
PID 2908 wrote to memory of 2952	2908	2024-02-24_323acda3834385c7967485aaccd9c848_cryptolocker.exe	28
PID 2908 wrote to memory of 2952	2908	2024-02-24_323acda3834385c7967485aaccd9c848_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-24_323acda3834385c7967485aaccd9c848_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-24_323acda3834385c7967485aaccd9c848_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2952

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
43KB

MD5
00dd88d74875a8c6777f3e7e58de3fad

SHA1
55f5cb03f37b3c1627e6f50403fb257e93dac59b

SHA256
448caf46edcc355a653621d676b7b6c82ecf3ba4f18e3898f73435b8578b39f5

SHA512
818aa0c7d6d5b8b9108176579ad04c3e891ce5cf245950f6b244c22bb47cc84cf1a939d76541121727ef4fe0cc92d05910f39fd1c22ab76ceeaa4c81cabf52ff

Download Submit
memory/2908-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2908-1-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2908-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2952-15-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2952-18-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download