60a756d88d9d3cbddd501cbff371822e4eac4ab7730e71dfe766e545f616cea9

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
27-01-2024 19:31

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General

Target

2024-01-27_651f84bc886a88220e14e574378a82fa_cryptolocker.exe
Size

46KB
MD5

651f84bc886a88220e14e574378a82fa
SHA1

82dac98da553cb07ebab99c73cf35d47a1b4d57f
SHA256

60a756d88d9d3cbddd501cbff371822e4eac4ab7730e71dfe766e545f616cea9
SHA512

468605ab48a022e988995073ad3f87e666e497c79f94389505d32e5c9085412fb4c613a5fb162c77f59775961c82b37760aa7645a41d2a2832e6dd139228eeb8
SSDEEP

768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6j4AYsqSh+DETkedmhXSS/hJ8:YGzl5wjRQBBOsP1QMOtEvwDpjl39+D+t

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/2432-1-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000b000000012185-11.dat	CryptoLocker_rule2
behavioral1/memory/2432-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2664-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/2432-1-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000b000000012185-11.dat	CryptoLocker_set1
behavioral1/memory/2432-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2664-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2664	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2432	2024-01-27_651f84bc886a88220e14e574378a82fa_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 2432 wrote to memory of 2664	2432	2024-01-27_651f84bc886a88220e14e574378a82fa_cryptolocker.exe	28
PID 2432 wrote to memory of 2664	2432	2024-01-27_651f84bc886a88220e14e574378a82fa_cryptolocker.exe	28
PID 2432 wrote to memory of 2664	2432	2024-01-27_651f84bc886a88220e14e574378a82fa_cryptolocker.exe	28
PID 2432 wrote to memory of 2664	2432	2024-01-27_651f84bc886a88220e14e574378a82fa_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-27_651f84bc886a88220e14e574378a82fa_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-27_651f84bc886a88220e14e574378a82fa_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2432
- 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

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

Filesize
46KB

MD5
5b11eeda74700df771bd4658f98435aa

SHA1
bc38f99675b43dcee447c2da01215a9f27ec164c

SHA256
d44d471098e251148fe51b08730ddb7de5fff5e59027df3744df904bd7dc5508

SHA512
953e5bec4252fe6e4fbd751d3d5e1c5f4cbb4604ef72cf38beaad8b466c2a7aae74250ff44ccc373ebb9b4d31f566ab5cea165f72165f6061549864933d97b08

Download Submit
memory/2432-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2432-1-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2432-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2432-3-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2432-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2664-16-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2664-18-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2664-20-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download