970c24a81bf603134081745fb4e518f677d11d34d618c05345d92732976f9b16

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16-03-2024 09:29

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General

Target

2024-03-16_23dbe521ad854e5fa7caeb0182aa5f80_cryptolocker.exe
Size

65KB
MD5

23dbe521ad854e5fa7caeb0182aa5f80
SHA1

cd05de369105a441fdf19c0da22426dd22825b3d
SHA256

970c24a81bf603134081745fb4e518f677d11d34d618c05345d92732976f9b16
SHA512

97c87164b58210e9cb909a85e6d6a835867fdb2430ce6de9f3116b0bc83e6353bac957e2ced936cbdee76f222366cdfab8eb1cb3656e04a57ebf5e3baaface7d
SSDEEP

1536:vj+jsMQMOtEvwDpj5HyCyh7vtRJ4BqKb1knzhvdYY:vCjsIOtEvwDpj5Hv0D

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00070000000120e4-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x00070000000120e4-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3012	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2876	2024-03-16_23dbe521ad854e5fa7caeb0182aa5f80_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 2876 wrote to memory of 3012	2876	2024-03-16_23dbe521ad854e5fa7caeb0182aa5f80_cryptolocker.exe	28
PID 2876 wrote to memory of 3012	2876	2024-03-16_23dbe521ad854e5fa7caeb0182aa5f80_cryptolocker.exe	28
PID 2876 wrote to memory of 3012	2876	2024-03-16_23dbe521ad854e5fa7caeb0182aa5f80_cryptolocker.exe	28
PID 2876 wrote to memory of 3012	2876	2024-03-16_23dbe521ad854e5fa7caeb0182aa5f80_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-16_23dbe521ad854e5fa7caeb0182aa5f80_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-16_23dbe521ad854e5fa7caeb0182aa5f80_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3012

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
5b0194391c815f1309df778b3d69bc31

SHA1
79ff676a2a475e7cb8d9c572b5eb3df4a021fd97

SHA256
9d8e5c9b84392cd835d80349baa16cc5cf3d6e648a2e295151e59d59b817ba96

SHA512
7074b45e954a86b04647286b1965fa30161b5e8660db832762ea12e0971768e65c1a080d3d4d7c3c4bab5b7466cd37a81680c49ac0bd1f3fa96cf089c85b3b1d

Download Submit
memory/2876-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2876-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2876-3-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/3012-15-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3012-16-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download