c54d604cea86cceb6c087a5112a4c14909e9c298507f23674773d4405602e8e1

Analysis

max time kernel
150s
max time network
156s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/02/2024, 05:02

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General

Target

2024-02-28_711dc559b5863151331d55ee225cb0c3_cryptolocker.exe
Size

103KB
MD5

711dc559b5863151331d55ee225cb0c3
SHA1

9a6d61b6ff5aac37b4ad5263371e5afeab57a463
SHA256

c54d604cea86cceb6c087a5112a4c14909e9c298507f23674773d4405602e8e1
SHA512

5a359e5d9d0e6850a1df867620ad11f5c5db5e443c41a46c241f8e0a0184b9ccfc29ad92e5b3df8530a15030701f7e482e7163defcd56d75a50830f90899de7e
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgpwqWsviPn:V6a+pOtEvwDpjtzF

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012258-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012258-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2580	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2200	2024-02-28_711dc559b5863151331d55ee225cb0c3_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 2200 wrote to memory of 2580	2200	2024-02-28_711dc559b5863151331d55ee225cb0c3_cryptolocker.exe	28
PID 2200 wrote to memory of 2580	2200	2024-02-28_711dc559b5863151331d55ee225cb0c3_cryptolocker.exe	28
PID 2200 wrote to memory of 2580	2200	2024-02-28_711dc559b5863151331d55ee225cb0c3_cryptolocker.exe	28
PID 2200 wrote to memory of 2580	2200	2024-02-28_711dc559b5863151331d55ee225cb0c3_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-28_711dc559b5863151331d55ee225cb0c3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-28_711dc559b5863151331d55ee225cb0c3_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2580

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
104KB

MD5
1079b069f43537b3ccee7c78ef10ba0a

SHA1
9c8ec9f89d24bf36a0663862dcb53acfb0b71b64

SHA256
8baf1d6bb7babadccc787aebff7493d7da32ed3c08f2ae737ca48b62c4af0174

SHA512
aca12ff98e252ca86a567201676b36f12ae3d3938d2121532933eddd4198dba9c9bdda1dbf69899a0b5f17855cfe6a598fe80954221f717afb2ed2093c87f33f

Download Submit
memory/2200-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2200-1-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2200-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2580-15-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2580-17-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download