f60298d2a10155573de20f38cea6383a5f351fc22457cd4beca531be100dd497

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09-05-2024 04:36

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General

Target

2024-05-09_656a799311e020d5dced52fb6ead31eb_cryptolocker.exe
Size

95KB
MD5

656a799311e020d5dced52fb6ead31eb
SHA1

fdf38c211ab3c81d807e69dc01c780d907e2fcaf
SHA256

f60298d2a10155573de20f38cea6383a5f351fc22457cd4beca531be100dd497
SHA512

a86b6e30ddf343384b47e68cb46cc502fe2e00dc9ba4ffd013925a11b53a06fa03ceb1ae2c62dd2deb65f226199156749b078c8a69cd596486dc5d4808ff7e05
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwMgRF:V6a+pOtEvwDpjtzP

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001449a-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001449a-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2984	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1900	2024-05-09_656a799311e020d5dced52fb6ead31eb_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 1900 wrote to memory of 2984	1900	2024-05-09_656a799311e020d5dced52fb6ead31eb_cryptolocker.exe	28
PID 1900 wrote to memory of 2984	1900	2024-05-09_656a799311e020d5dced52fb6ead31eb_cryptolocker.exe	28
PID 1900 wrote to memory of 2984	1900	2024-05-09_656a799311e020d5dced52fb6ead31eb_cryptolocker.exe	28
PID 1900 wrote to memory of 2984	1900	2024-05-09_656a799311e020d5dced52fb6ead31eb_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-09_656a799311e020d5dced52fb6ead31eb_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-09_656a799311e020d5dced52fb6ead31eb_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2984

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\asih.exe

Filesize
95KB

MD5
14fd2cdd366bb35c704eb1559f58fae7

SHA1
3ede25e6cc0b44b0f7f40f4dfabfb902975f9cd7

SHA256
8280055895a149a0685a7d5294907da9db05ab86d2df794b67966567f8e282f9

SHA512
7f33d642518be6f2f2bae6f1fb1abadc2483b0c6ca16dd134dc737571bad53ea222605048cb652dbadc02c83e56fcb409c74e4a5e601cf3963f71ff9dca75875

Download Submit
memory/1900-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1900-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1900-8-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2984-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2984-22-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download