9f595cce692a47d4c739cbf4831e4df0e9f0fe11615edfe8c912933c28fd5bbf

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
12/05/2024, 20:23

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General

Target

2024-05-12_13d6f33a77123f18dc5fdfc0cb6292d3_cryptolocker.exe
Size

37KB
MD5

13d6f33a77123f18dc5fdfc0cb6292d3
SHA1

dcda485318fec0df3f9bcabc432f798ac31b52f8
SHA256

9f595cce692a47d4c739cbf4831e4df0e9f0fe11615edfe8c912933c28fd5bbf
SHA512

81c6eb2f6e0cf08ed85aed1738e103c04340ea8d4fb5738a989247fbfd1267c08952c6e69d9f187567ad7757a7836b2e76a4a6639a8457449da89813bbe96dd4
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4h6vg:fT+hsMQMOtEvwDpjoIHh6vg

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001313a-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001313a-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2612	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2012	2024-05-12_13d6f33a77123f18dc5fdfc0cb6292d3_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 2012 wrote to memory of 2612	2012	2024-05-12_13d6f33a77123f18dc5fdfc0cb6292d3_cryptolocker.exe	28
PID 2012 wrote to memory of 2612	2012	2024-05-12_13d6f33a77123f18dc5fdfc0cb6292d3_cryptolocker.exe	28
PID 2012 wrote to memory of 2612	2012	2024-05-12_13d6f33a77123f18dc5fdfc0cb6292d3_cryptolocker.exe	28
PID 2012 wrote to memory of 2612	2012	2024-05-12_13d6f33a77123f18dc5fdfc0cb6292d3_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-12_13d6f33a77123f18dc5fdfc0cb6292d3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-12_13d6f33a77123f18dc5fdfc0cb6292d3_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2612

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
bbb802a759719e174eb8476bbb2f2c63

SHA1
bfcc52e0a21ef781e16ac3fc9d712e13e24ba72b

SHA256
6b55666b464178db0aa181930b7662c97cd391a99eefceaf917dc42e7b007937

SHA512
ededb836b5e8b274f82abce363bbdaaa2cfbc50712b4afd21f4cdf0975fd614b4f8b655a2eee976f45ffabd506a4383b49cc9079952fe22d33c3a26494f31a95

Download Submit
memory/2012-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2012-1-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2012-7-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2612-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download