27e9cd644f40a0b6e0c2f5334403336df50deb1a87ced11fda918f8cad902bb4

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19-01-2024 08:45

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General

Target

2024-01-19_1522cc94106e8430c7dcdea02721ca8e_cryptolocker.exe
Size

98KB
MD5

1522cc94106e8430c7dcdea02721ca8e
SHA1

0d11866877b5345bd935b48e6bafe78d05033ebd
SHA256

27e9cd644f40a0b6e0c2f5334403336df50deb1a87ced11fda918f8cad902bb4
SHA512

447f42ab320187103480391c3b59cd188d8406ca34cec948ffbe8d15a153144d1f8d42dc0c20a87633f2606049bfd55de2cbcc7a234ed0b8960c020e00585fe6
SSDEEP

1536:26QFElP6n+gBQMOtEvwDpjQGYQbN/PKwNCWw6fx:26a+2OtEvwDpjtzz

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001225a-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001225a-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2472	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1812	2024-01-19_1522cc94106e8430c7dcdea02721ca8e_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 1812 wrote to memory of 2472	1812	2024-01-19_1522cc94106e8430c7dcdea02721ca8e_cryptolocker.exe	28
PID 1812 wrote to memory of 2472	1812	2024-01-19_1522cc94106e8430c7dcdea02721ca8e_cryptolocker.exe	28
PID 1812 wrote to memory of 2472	1812	2024-01-19_1522cc94106e8430c7dcdea02721ca8e_cryptolocker.exe	28
PID 1812 wrote to memory of 2472	1812	2024-01-19_1522cc94106e8430c7dcdea02721ca8e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-19_1522cc94106e8430c7dcdea02721ca8e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-19_1522cc94106e8430c7dcdea02721ca8e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1812
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2472

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
98KB

MD5
d252e3af416bd40390026c31181b469d

SHA1
23bcde9100ed0cf1f874f162072f14cf8a463567

SHA256
d55df44d0e3a55066e965be703c44f917a149e7a183136f589f1952e6947c7aa

SHA512
6a00611428d1543f1371c8ac485b8c9da283eed26359b19cd6cd5ac59663f0cb2fed2e02a5063a4202d4b1312942152b1177d82d0ad9b914ed658063a20de388

Download Submit
memory/1812-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1812-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1812-1-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2472-15-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2472-17-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download