ca7abeb799bc0139134a294f36a34704d70f4fa3ecd38bd1b3720c1ec8a1f84c

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
22/02/2024, 17:39

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General

Target

2024-02-22_63ed383be2f6ec644c12a74464564e08_cryptolocker.exe
Size

72KB
MD5

63ed383be2f6ec644c12a74464564e08
SHA1

adfae5f5074a4d894bd23ad766f6a2c2a0f07214
SHA256

ca7abeb799bc0139134a294f36a34704d70f4fa3ecd38bd1b3720c1ec8a1f84c
SHA512

913ed14ad1bc1becd45c4499172d88064cd28d25ca52a4fadbbcf6a7500e37ffcddde2bd3efd30895eb08a311004ebf4390a8b0f1b73919c2f8ab0b3ae13c248
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1t:X6a+SOtEvwDpjBZYvQd2t

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00080000000122bf-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x00080000000122bf-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2856	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2208	2024-02-22_63ed383be2f6ec644c12a74464564e08_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 2208 wrote to memory of 2856	2208	2024-02-22_63ed383be2f6ec644c12a74464564e08_cryptolocker.exe	28
PID 2208 wrote to memory of 2856	2208	2024-02-22_63ed383be2f6ec644c12a74464564e08_cryptolocker.exe	28
PID 2208 wrote to memory of 2856	2208	2024-02-22_63ed383be2f6ec644c12a74464564e08_cryptolocker.exe	28
PID 2208 wrote to memory of 2856	2208	2024-02-22_63ed383be2f6ec644c12a74464564e08_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-22_63ed383be2f6ec644c12a74464564e08_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-22_63ed383be2f6ec644c12a74464564e08_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2856

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
72KB

MD5
2591931bf5d8a887b8e15023b0abf03e

SHA1
027903c272fb7ae9f94283c191323120a08cd3b0

SHA256
a63524810fd786dd2e4d222a3a4be1d4c57d6f81d9bc0aefb92bd0a7ecefaf79

SHA512
125b23d910450f56d2f3969f3cc28ed429f86def77842858b88dbcc77e1eb6270b94221cff8881e56b41b32e6b34dd4b9d783e3727b1dd2710713240e49715b0

Download Submit
memory/2208-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2208-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2208-8-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2856-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2856-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download