9640325030976f4a2ad9ce6d4ecb23b847ac3f7aa268576dfad0c15f655a5336

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15/03/2024, 15:52

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General

Target

2024-03-15_6686843ebace60c184ca0e978d69d101_cryptolocker.exe
Size

35KB
MD5

6686843ebace60c184ca0e978d69d101
SHA1

0d97a0aec7cceef71779a3804d0f628c6a18c908
SHA256

9640325030976f4a2ad9ce6d4ecb23b847ac3f7aa268576dfad0c15f655a5336
SHA512

2b6f6ee4aa9d74d02eff3145b645e8e8f5c99ddb8149d9ee6f3b0eb4e11dd86b9de6eaddae2637a0df66d3f9aae697e2a38ca273346c8bc3fba48571493597fb
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjfDWoA4Vk7oB:vj+jsMQMOtEvwDpjionV/B

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001418d-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001418d-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2904	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2916	2024-03-15_6686843ebace60c184ca0e978d69d101_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 2916 wrote to memory of 2904	2916	2024-03-15_6686843ebace60c184ca0e978d69d101_cryptolocker.exe	28
PID 2916 wrote to memory of 2904	2916	2024-03-15_6686843ebace60c184ca0e978d69d101_cryptolocker.exe	28
PID 2916 wrote to memory of 2904	2916	2024-03-15_6686843ebace60c184ca0e978d69d101_cryptolocker.exe	28
PID 2916 wrote to memory of 2904	2916	2024-03-15_6686843ebace60c184ca0e978d69d101_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-15_6686843ebace60c184ca0e978d69d101_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-15_6686843ebace60c184ca0e978d69d101_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2904

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\misid.exe

Filesize
35KB

MD5
ab9cdebe1efc5704c288ec0d6d9ef8a5

SHA1
183121a3b1c65cbc10493a25092ac6dedd50ac92

SHA256
220878f03ee0138d4811c91d41a01a1657913473a1674836cc8d0461e32b28a8

SHA512
d63c7f3b4742d8542aa54a82f2783a92a496b9d81f2435c6c57c86e2f2d00f4272af306ce883fd8b7f6d19c5720f1b814151ffa9087f4d580e8865eb7ba42f84

Download Submit
memory/2904-15-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2904-17-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2916-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2916-1-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2916-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download