e7797fd5fc61c318d9ec9b3858ba83071f38310c07cf3ccfad21c24b1a8d9ce1

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
17/05/2024, 00:08

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General

Target

2024-05-16_98107c10a7c9682a7a2499aaacd45f48_cryptolocker.exe
Size

37KB
MD5

98107c10a7c9682a7a2499aaacd45f48
SHA1

85385b039d149885093044754e686c3c27673ca0
SHA256

e7797fd5fc61c318d9ec9b3858ba83071f38310c07cf3ccfad21c24b1a8d9ce1
SHA512

56e1d63b73179278451fb4a18fe921b6d18b894f35d3481c8bcc6c44b9e35a2b32c58adf26890f88f4dbbbdee24a12abdcfd13603cc0fadeeaecc761b11ff33f
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4h6c:fT+hsMQMOtEvwDpjoIHh6c

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001227b-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001227b-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1836	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2184	2024-05-16_98107c10a7c9682a7a2499aaacd45f48_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 2184 wrote to memory of 1836	2184	2024-05-16_98107c10a7c9682a7a2499aaacd45f48_cryptolocker.exe	28
PID 2184 wrote to memory of 1836	2184	2024-05-16_98107c10a7c9682a7a2499aaacd45f48_cryptolocker.exe	28
PID 2184 wrote to memory of 1836	2184	2024-05-16_98107c10a7c9682a7a2499aaacd45f48_cryptolocker.exe	28
PID 2184 wrote to memory of 1836	2184	2024-05-16_98107c10a7c9682a7a2499aaacd45f48_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-16_98107c10a7c9682a7a2499aaacd45f48_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-16_98107c10a7c9682a7a2499aaacd45f48_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1836

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
37KB

MD5
ca76c7bac54112884442bb2faf6b0cb2

SHA1
043e4de1ca027ac60801cca7b2a4487348931888

SHA256
4e98cbb3f7a22a101d4da79eaad237f7f2931df513b7f2dda496258b370e4302

SHA512
d58583c27ce060d7aa496ad1b3a74759e75fcc8c063a7206e655b79f4b3f85644d75bc977d45a609c0ffd58c75f14d9627d7a7e51d129a314408287f216428b0

Download Submit
memory/1836-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1836-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2184-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2184-1-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2184-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download