0b6be9baf72ab6c473638f12ee90b31647385ac856c8b4c1b2853e8d35037d65

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
30/05/2024, 23:51

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General

Target

2024-05-30_56283cec4b551c365d20cb6b974cf26c_cryptolocker.exe
Size

65KB
MD5

56283cec4b551c365d20cb6b974cf26c
SHA1

b74588468a974dc99f1a89a598b2b292edd97a87
SHA256

0b6be9baf72ab6c473638f12ee90b31647385ac856c8b4c1b2853e8d35037d65
SHA512

cd38a6d5f11c6e3f4b80457657ad7bbac839bd00ee88cf10cfe3f7b0cfdf96f77b556b26077b50790ad3e40aac53a3bf5f0138fa5180d79c7386a9b2c599eee0
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMTIzYr:TCjsIOtEvwDpj5HE/OUHnSM0

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/2060-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000b000000015bb9-11.dat	CryptoLocker_rule2
behavioral1/memory/2060-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2056-25-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/2060-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000b000000015bb9-11.dat	CryptoLocker_set1
behavioral1/memory/2060-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2056-25-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2056	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2060	2024-05-30_56283cec4b551c365d20cb6b974cf26c_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 2060 wrote to memory of 2056	2060	2024-05-30_56283cec4b551c365d20cb6b974cf26c_cryptolocker.exe	28
PID 2060 wrote to memory of 2056	2060	2024-05-30_56283cec4b551c365d20cb6b974cf26c_cryptolocker.exe	28
PID 2060 wrote to memory of 2056	2060	2024-05-30_56283cec4b551c365d20cb6b974cf26c_cryptolocker.exe	28
PID 2060 wrote to memory of 2056	2060	2024-05-30_56283cec4b551c365d20cb6b974cf26c_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-30_56283cec4b551c365d20cb6b974cf26c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-30_56283cec4b551c365d20cb6b974cf26c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2056

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
65KB

MD5
4daf3b844357e5bb83a15168fbb5b665

SHA1
ad967985a10897c83216998d5ebdd0cb533294ba

SHA256
a504d7c4267a9acc3ae9b6435d3e46da7e47bd74e615b7ac7efa6850381776ca

SHA512
519bd8f3cef51c9a2d2b87c4c0195ee985fc0deee5378148172aa8a36cda7bfe08fb807adeb2e69bd6479108490e8f1096314c80ffdead9210fa5d008d336134

Download Submit
memory/2056-17-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2056-24-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2056-25-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2060-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2060-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2060-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2060-3-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2060-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download