01951c9d8d2ad3c6c962593daf3b619f7963af3db39d29c19ab573f67a90af9b

Analysis

max time kernel
135s
max time network
145s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06/03/2024, 01:27

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General

Target

2024-03-06_0e127ed6184a1e662309d4834f1a4605_cryptolocker.exe
Size

163KB
MD5

0e127ed6184a1e662309d4834f1a4605
SHA1

e3d454046fb1d4fcb571d62aacfaa100160d1481
SHA256

01951c9d8d2ad3c6c962593daf3b619f7963af3db39d29c19ab573f67a90af9b
SHA512

3beb3e73fec510278df56d5af2c356655e621e03d9399b191c9b6eb3159cb5db17d6ac92c63f4c3e19c12ca253a5e38bfd043d870ae26217eb67cd5becbb04bd
SSDEEP

1536:u6QFElP6n+gWMOtEvwDpjJGYQbN/PKwNgp699GNtL1emw:u6a++OtEvwDpj6zp

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000900000001224e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000900000001224e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1984	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2000	2024-03-06_0e127ed6184a1e662309d4834f1a4605_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 2000 wrote to memory of 1984	2000	2024-03-06_0e127ed6184a1e662309d4834f1a4605_cryptolocker.exe	28
PID 2000 wrote to memory of 1984	2000	2024-03-06_0e127ed6184a1e662309d4834f1a4605_cryptolocker.exe	28
PID 2000 wrote to memory of 1984	2000	2024-03-06_0e127ed6184a1e662309d4834f1a4605_cryptolocker.exe	28
PID 2000 wrote to memory of 1984	2000	2024-03-06_0e127ed6184a1e662309d4834f1a4605_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-06_0e127ed6184a1e662309d4834f1a4605_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-06_0e127ed6184a1e662309d4834f1a4605_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1984

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
163KB

MD5
aeace29f2d6425174b28a2ff9847673b

SHA1
5186e3116440a22f26122ed91b80013bf6f16519

SHA256
8c71f09e95fafb94ae83a5fd2912cfd0c82c81f9f4f25712b61abf9b8e0d257f

SHA512
34af0c66c48b4cb8aeee0b452e8f345b74b43d84671dc803b1159d1e18c703914346dd982fd0745a27e1364c78f225723ff882412ee24abaf647ffb23e5b170b

Download Submit
memory/1984-15-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/1984-18-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2000-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2000-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2000-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download