f800fcd49a40999384cfd205c4552a90a418e8ad626e90b3100438926a1fd1c2

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
20/02/2024, 05:52

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General

Target

2024-02-20_6fc5eccc3c6483934f067f892655b093_cryptolocker.exe
Size

76KB
MD5

6fc5eccc3c6483934f067f892655b093
SHA1

c81edaed33e5705e13cc75295a7bc8707fdd0a3c
SHA256

f800fcd49a40999384cfd205c4552a90a418e8ad626e90b3100438926a1fd1c2
SHA512

473958b523ab26175de09a785b5f456ef7a6b392c29d5f2fb4a2dad483c45191f8b80a693e5e7e3a86aa5b51dc68cac50209420cb4ff676e42bbdf735423fb43
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KuA5A:ZVxkGOtEvwDpjcaf

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012262-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2504	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2072	2024-02-20_6fc5eccc3c6483934f067f892655b093_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 2072 wrote to memory of 2504	2072	2024-02-20_6fc5eccc3c6483934f067f892655b093_cryptolocker.exe	28
PID 2072 wrote to memory of 2504	2072	2024-02-20_6fc5eccc3c6483934f067f892655b093_cryptolocker.exe	28
PID 2072 wrote to memory of 2504	2072	2024-02-20_6fc5eccc3c6483934f067f892655b093_cryptolocker.exe	28
PID 2072 wrote to memory of 2504	2072	2024-02-20_6fc5eccc3c6483934f067f892655b093_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-20_6fc5eccc3c6483934f067f892655b093_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-20_6fc5eccc3c6483934f067f892655b093_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2504

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
76KB

MD5
dae138536d7de9857e2cc487e4135bb6

SHA1
080e2c8776332bd77005f31857a96c42af1f4f7d

SHA256
c7b9bad52a4550881df0bf3ccde8c75524a7de469b6a50cd561b4e557e5c65e9

SHA512
165418a025cfde61ea83891b1de4f44265209396617a88dd46012c7a3b74adad845b320a1b6c333f24ea2d1f419986f3538e14b92a0d52f9e7e02a8efcbe101c

Download Submit
memory/2072-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2072-2-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2072-1-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2072-4-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2504-15-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2504-19-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download