6db5f6e606c4d7a5ee863b9904cfde6bb6c78d6e87be1e934aef715b5a6a3776

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
01/05/2024, 05:42

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General

Target

2024-05-01_0ad32cba776b025e9aa43ad1d30f2b94_cryptolocker.exe
Size

164KB
MD5

0ad32cba776b025e9aa43ad1d30f2b94
SHA1

3d20fe0f15af3ee874ae0b44fcbcac6ec91044f7
SHA256

6db5f6e606c4d7a5ee863b9904cfde6bb6c78d6e87be1e934aef715b5a6a3776
SHA512

6dce185560f0fd927aa4b2468bea629bf35cb9df257acf19a9caf613c8673f8cd16a7b40981e7806aa0435c4c7595134d8486847e9d281c81c9dcdebcec1023d
SSDEEP

1536:u6QFElP6n+gWMOtEvwDpjJGYQbN/PKwNgp699GNtL1eIEMS:u6a++OtEvwDpj6zR

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000014323-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000014323-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2664	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2984	2024-05-01_0ad32cba776b025e9aa43ad1d30f2b94_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 2984 wrote to memory of 2664	2984	2024-05-01_0ad32cba776b025e9aa43ad1d30f2b94_cryptolocker.exe	28
PID 2984 wrote to memory of 2664	2984	2024-05-01_0ad32cba776b025e9aa43ad1d30f2b94_cryptolocker.exe	28
PID 2984 wrote to memory of 2664	2984	2024-05-01_0ad32cba776b025e9aa43ad1d30f2b94_cryptolocker.exe	28
PID 2984 wrote to memory of 2664	2984	2024-05-01_0ad32cba776b025e9aa43ad1d30f2b94_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-01_0ad32cba776b025e9aa43ad1d30f2b94_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-01_0ad32cba776b025e9aa43ad1d30f2b94_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2664

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

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
164KB

MD5
077c1b5900ae5369529a115c4f8b9f17

SHA1
b5d951c8e8cb0af440f5981f19af175dd27fc7f7

SHA256
75834dd46410a010e8157eda53876f7327dfd0acbcc547c7a40edec2b81ee2b8

SHA512
7ee3cc7f4d1df5551df165a3874bfd9b382782ed3af628da48c27bcfa896ecefa63c5241af839180454700d4a2af88c5cd5bb58275f3d953ce1310154f8b1751

Download Submit
memory/2664-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2664-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2984-0-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/2984-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2984-8-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download