42e81b518558a61270452941ef5dc2815e0bde76111125137a306399a8352172

Analysis

max time kernel
147s
max time network
149s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
23/05/2024, 22:29

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General

Target

2024-05-23_71f5e9d05c9638b868d40b17f4398572_cryptolocker.exe
Size

44KB
MD5

71f5e9d05c9638b868d40b17f4398572
SHA1

2d469ada739f322742994f27cd809a87b2598047
SHA256

42e81b518558a61270452941ef5dc2815e0bde76111125137a306399a8352172
SHA512

e8d01967e7e6757737c933d233f0286f1f9f67714b6cd1b1ae5f3fccd727df465f0e1dfac0faf42ab438349f640bbe7adf4edee7e618a905ac50f4b7ec330f9f
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4REL+cc66TcN:vj+jsMQMOtEvwDpj5HW5scN

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000122ec-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000122ec-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1860	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1712	2024-05-23_71f5e9d05c9638b868d40b17f4398572_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 1712 wrote to memory of 1860	1712	2024-05-23_71f5e9d05c9638b868d40b17f4398572_cryptolocker.exe	28
PID 1712 wrote to memory of 1860	1712	2024-05-23_71f5e9d05c9638b868d40b17f4398572_cryptolocker.exe	28
PID 1712 wrote to memory of 1860	1712	2024-05-23_71f5e9d05c9638b868d40b17f4398572_cryptolocker.exe	28
PID 1712 wrote to memory of 1860	1712	2024-05-23_71f5e9d05c9638b868d40b17f4398572_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-23_71f5e9d05c9638b868d40b17f4398572_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-23_71f5e9d05c9638b868d40b17f4398572_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1860

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
44KB

MD5
349c8f239628f4c8d6df2f52dbeacd3a

SHA1
1e02044710dab6792bd9d0dcf82d0cdbba5475c5

SHA256
32cf55f0a2235dd5f3e43685459c57bc4d5efa6b04438cc2eb29d7f978a33b5c

SHA512
84407a7129ec4b10a065a2b2f212958b433befe026fe949f5d730ab0b8068746b1771c8c1ae828b2f40747f68cd9521243e3eab68f74ad9dff36c2b2b63bcfbf

Download Submit
memory/1712-0-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/1712-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1712-8-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/1860-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1860-15-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download