3f3e790d15a1d4d8de09b02b313f40692ca64f948a12eb5811f082e9ca88fb0f

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
28/05/2024, 04:45

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General

Target

2024-05-28_27876b7ab5daf05be72f0d279095839a_cryptolocker.exe
Size

38KB
MD5

27876b7ab5daf05be72f0d279095839a
SHA1

633a6bb6d124f31440d8e1f1410a45d7d0bb96c2
SHA256

3f3e790d15a1d4d8de09b02b313f40692ca64f948a12eb5811f082e9ca88fb0f
SHA512

2ecd6682e137d7bd6324aa3bc68cecc5245096aa74ce9753049ee5f038498ab81bd7c811fecb5e5ff07d18bd04cf3c15e6f41e69780b1e45d0e675b55f0b1427
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4qad:fT+hsMQMOtEvwDpjoIH/d

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000141a1-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000141a1-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3016	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1644	2024-05-28_27876b7ab5daf05be72f0d279095839a_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 1644 wrote to memory of 3016	1644	2024-05-28_27876b7ab5daf05be72f0d279095839a_cryptolocker.exe	28
PID 1644 wrote to memory of 3016	1644	2024-05-28_27876b7ab5daf05be72f0d279095839a_cryptolocker.exe	28
PID 1644 wrote to memory of 3016	1644	2024-05-28_27876b7ab5daf05be72f0d279095839a_cryptolocker.exe	28
PID 1644 wrote to memory of 3016	1644	2024-05-28_27876b7ab5daf05be72f0d279095839a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-28_27876b7ab5daf05be72f0d279095839a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-28_27876b7ab5daf05be72f0d279095839a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1644
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3016

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
38KB

MD5
f2e8c806a47c2ac1d544f68cca5b1eda

SHA1
e953d1859def22c62a1f987bfc1d4d39bf04775c

SHA256
bbb9837417e3ae434cb7b88b8e30bee86962b8910c8909b5b57927fd62caa524

SHA512
187e6635fe8f824d50641767a0d0efb20ada2d38a4b16cc6716a502b5fbca64216366f2327d43a856c56680da5ea144390cb49dc231ebe2e86d42673a43e0253

Download Submit
memory/1644-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1644-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1644-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/3016-15-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download