ba655e5b40f01560a97dccd26f76e97ab905c2fa6ca315ba853c5dd5e84f36ec

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
02/02/2024, 19:35

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General

Target

2024-02-02_8764a26cbed709cc3bf9bd1eb64f5537_cryptolocker.exe
Size

50KB
MD5

8764a26cbed709cc3bf9bd1eb64f5537
SHA1

eab1cd5a281c482c05c9cadee34e57176e849579
SHA256

ba655e5b40f01560a97dccd26f76e97ab905c2fa6ca315ba853c5dd5e84f36ec
SHA512

3182d38b774be1042f0ce057bfbce1c74af5461b14fcaee25330ac0da9787361ede46ae956841f3a1ea000a932b2f0bf4f9b84647c5443ada2c415bcb51fd17d
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmyKn5x5:vj+jsMQMOtEvwDpj5HczerLO04yK5x5

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000900000001447e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000900000001447e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1756	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1688	2024-02-02_8764a26cbed709cc3bf9bd1eb64f5537_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 1688 wrote to memory of 1756	1688	2024-02-02_8764a26cbed709cc3bf9bd1eb64f5537_cryptolocker.exe	28
PID 1688 wrote to memory of 1756	1688	2024-02-02_8764a26cbed709cc3bf9bd1eb64f5537_cryptolocker.exe	28
PID 1688 wrote to memory of 1756	1688	2024-02-02_8764a26cbed709cc3bf9bd1eb64f5537_cryptolocker.exe	28
PID 1688 wrote to memory of 1756	1688	2024-02-02_8764a26cbed709cc3bf9bd1eb64f5537_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-02_8764a26cbed709cc3bf9bd1eb64f5537_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-02_8764a26cbed709cc3bf9bd1eb64f5537_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1756

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
50KB

MD5
d1bbcde3f2ee351f87022b11dd82eeab

SHA1
15c3991753ecc765ae96c14c1cf176f818411fef

SHA256
316e5c0bb7ee440cf6b8169597349e035f31dbb21c9b5eb005e56021e88de08e

SHA512
1d011c33533ad62d75b5eaf917a8a5a2d83e9702b964349aa42f506f792a81a0ddd47638851dea79e250390d6d5ae5f7ccee64a59edf79ff57fccfdfdbe2bf51

Download Submit
memory/1688-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1688-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1688-1-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/1756-15-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download