ba482bbf8cfc12982dfc7e24ca0ca6f69ed1fa37d63ae1020d410ad5a88ea2b7

Analysis

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

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
04/05/2024, 05:32

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General

Target

2024-05-04_592c4a6064594f4fde5de5e2305d0b8d_cryptolocker.exe
Size

51KB
MD5

592c4a6064594f4fde5de5e2305d0b8d
SHA1

219ee25bec329e3618c9bf1890d34315587bc85a
SHA256

ba482bbf8cfc12982dfc7e24ca0ca6f69ed1fa37d63ae1020d410ad5a88ea2b7
SHA512

24a8f85531ab6acaa132cf0b505353633e280f106460fd5a24886c3aa05fabb21a870608544b80e774930c24118ba04009d817bb19d07efab45f034d769e2a9b
SSDEEP

768:79inqyNR/QtOOtEvwDpjBK/rJ+Nw8qnTHGfSy:79mqyNhQMOtEvwDpjBxe8GGfZ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 3 IoCs

resource	yara_rule
behavioral1/memory/2644-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000b00000001472f-11.dat	CryptoLocker_rule2
behavioral1/memory/2644-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 3 IoCs

resource	yara_rule
behavioral1/memory/2644-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000b00000001472f-11.dat	CryptoLocker_set1
behavioral1/memory/2644-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2576	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2644	2024-05-04_592c4a6064594f4fde5de5e2305d0b8d_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 2644 wrote to memory of 2576	2644	2024-05-04_592c4a6064594f4fde5de5e2305d0b8d_cryptolocker.exe	28
PID 2644 wrote to memory of 2576	2644	2024-05-04_592c4a6064594f4fde5de5e2305d0b8d_cryptolocker.exe	28
PID 2644 wrote to memory of 2576	2644	2024-05-04_592c4a6064594f4fde5de5e2305d0b8d_cryptolocker.exe	28
PID 2644 wrote to memory of 2576	2644	2024-05-04_592c4a6064594f4fde5de5e2305d0b8d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-04_592c4a6064594f4fde5de5e2305d0b8d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-04_592c4a6064594f4fde5de5e2305d0b8d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2576

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
afa109c24c53158dc550b0d4e7ab12fc

SHA1
07f1fe659eb1a8602be07538a9f27ea25771672c

SHA256
ff5a469cb4c3f41a4ddac6ec5ef064545a62547c1cafea5fb7c515deffa2cefe

SHA512
1b0f6b79d224a15257413fb21e1a12c75aa2478e8f5b27bce07923813e2c40342d70b54905503196e56b7e7469b01bc4fb9186ecb5083212b76441c95a120093

Download Submit
memory/2576-17-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2576-24-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2644-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2644-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2644-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2644-3-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2644-15-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download