e5bb36d728ce6d0cfc6bf79370df8d1f64073bcc6f80f7d5d80742175a0ebc0a

Analysis

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

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/02/2024, 18:28

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General

Target

2024-02-22_4f664be5c59bf629ba44f468a701b5af_cryptolocker.exe
Size

47KB
MD5

4f664be5c59bf629ba44f468a701b5af
SHA1

b49f3f2ca564c789dc841f16552e33f46b0a1fc5
SHA256

e5bb36d728ce6d0cfc6bf79370df8d1f64073bcc6f80f7d5d80742175a0ebc0a
SHA512

0350c37203a20be8fb454993c1fda9e7d3fb16debbe19040db2157c4a752ef7d74ab91680f25a9a67eea9abdc1bfefcfc7d9e5ffd0eeeb358be06d261e3d8597
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr46xdUUuuMT9F:vj+jsMQMOtEvwDpj5Hczer5ixuM7

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012256-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012256-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3052	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2208	2024-02-22_4f664be5c59bf629ba44f468a701b5af_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 2208 wrote to memory of 3052	2208	2024-02-22_4f664be5c59bf629ba44f468a701b5af_cryptolocker.exe	28
PID 2208 wrote to memory of 3052	2208	2024-02-22_4f664be5c59bf629ba44f468a701b5af_cryptolocker.exe	28
PID 2208 wrote to memory of 3052	2208	2024-02-22_4f664be5c59bf629ba44f468a701b5af_cryptolocker.exe	28
PID 2208 wrote to memory of 3052	2208	2024-02-22_4f664be5c59bf629ba44f468a701b5af_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-22_4f664be5c59bf629ba44f468a701b5af_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-22_4f664be5c59bf629ba44f468a701b5af_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3052

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
48KB

MD5
37545c7e552152034c28d32d72772cfc

SHA1
7e1616f6787a77ef55516f203eb76657b8747e3f

SHA256
eb527700e78305bbd93b7ea91d445534ebcfd2cbd40b7fb5a5d3591a0501f988

SHA512
da43c15f1e47b3f087f022fae0a2545b275a68fbf8add4cfa1170dd49918835102728627376fbe08931eaa8878e79ee5fb28b7d1cf4d255d6244e164b202cca7

Download Submit
memory/2208-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2208-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2208-2-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/3052-15-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/3052-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download