35ad29873b334a16ad3bd730b512fd35cc5b6e10f78f44e31fc0150180907203

Analysis

max time kernel
148s
max time network
152s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
20/04/2024, 17:10

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General

Target

2024-04-20_f56ac8c74578e6389ad629fc3fefbed2_cryptolocker.exe
Size

83KB
MD5

f56ac8c74578e6389ad629fc3fefbed2
SHA1

5169b2a407caf3791dcdb1b6e7fd5bab3e86326d
SHA256

35ad29873b334a16ad3bd730b512fd35cc5b6e10f78f44e31fc0150180907203
SHA512

f7d37429f64ee11ac096c90c9ab390b23bb7b14ccdcdd707dc2c90ad29914d77f0dfad769b42e6a892649018d1876ba8ba9eaf824238bb51e854a61cb256460e
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNBQ:vCjsIOtEvwDpj5H9YvQd24

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001232e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001232e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2804	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2364	2024-04-20_f56ac8c74578e6389ad629fc3fefbed2_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 2364 wrote to memory of 2804	2364	2024-04-20_f56ac8c74578e6389ad629fc3fefbed2_cryptolocker.exe	28
PID 2364 wrote to memory of 2804	2364	2024-04-20_f56ac8c74578e6389ad629fc3fefbed2_cryptolocker.exe	28
PID 2364 wrote to memory of 2804	2364	2024-04-20_f56ac8c74578e6389ad629fc3fefbed2_cryptolocker.exe	28
PID 2364 wrote to memory of 2804	2364	2024-04-20_f56ac8c74578e6389ad629fc3fefbed2_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-20_f56ac8c74578e6389ad629fc3fefbed2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-20_f56ac8c74578e6389ad629fc3fefbed2_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2804

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
84KB

MD5
e45b81f695926ad7de18c2e018c9b070

SHA1
a89704ab0c78913020ef927626e5d7213bf9a468

SHA256
5ce201a5e04ee04c1f96aef462e354b900246d3bca4497890663deacf75fc742

SHA512
edeb646759fffaf242423fc73aaa70fcbade358234b78fd5ad2a7a54d790d0edc2a47432bc1f50f0266f81e6c7ccb38fa444bdce42bfa35de0ee1490814ded9d

Download Submit
memory/2364-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2364-2-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2364-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2804-15-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download