387f26278ff0113f6bdeb3f036faebef3ed4bf6199ee12d78a1312c72cac4f90

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
15/03/2024, 10:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-03-15_eebee3f74ac506fa673c8e064c500ef3_cryptolocker.exe
Size

40KB
MD5

eebee3f74ac506fa673c8e064c500ef3
SHA1

64de5ab7364a7e18dddcd8c36dec3f4274df3021
SHA256

387f26278ff0113f6bdeb3f036faebef3ed4bf6199ee12d78a1312c72cac4f90
SHA512

081f79d8a6f2ab5a48d16409e9ce62214f5c2690458dbf9419ae29f19920041d9577527f71009b529f797aa14b001896e5c500a7309b7ec8f32f09c23f6c29d5
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4tKM3Az5mRD:vj+jsMQMOtEvwDpj5Ht13A4RD

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000122be-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000122be-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2004	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2896	2024-03-15_eebee3f74ac506fa673c8e064c500ef3_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 2896 wrote to memory of 2004	2896	2024-03-15_eebee3f74ac506fa673c8e064c500ef3_cryptolocker.exe	28
PID 2896 wrote to memory of 2004	2896	2024-03-15_eebee3f74ac506fa673c8e064c500ef3_cryptolocker.exe	28
PID 2896 wrote to memory of 2004	2896	2024-03-15_eebee3f74ac506fa673c8e064c500ef3_cryptolocker.exe	28
PID 2896 wrote to memory of 2004	2896	2024-03-15_eebee3f74ac506fa673c8e064c500ef3_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-15_eebee3f74ac506fa673c8e064c500ef3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-15_eebee3f74ac506fa673c8e064c500ef3_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2004

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
40KB

MD5
a1545069165e8c34443407dfb27625f6

SHA1
4e122527a9065054ef85c5ed1b3efd0d5a8ca19b

SHA256
050b7b72f6a3a7eb659d86cf13b47f994b8a4a3b1f5e32d2e01a7f75f7e2c95f

SHA512
a3bb41d0cf3195a99cdae7ed3f025949114cd8a628b099db32fc45df0b41c8d5b69a65ca651f006b2f717aec21324e98647e2f3b41b3fe9180822ab43eb91c11

Download Submit
memory/2004-15-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2004-19-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2896-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2896-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2896-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download