07af362226c193c065c42b86907d7305ace6d314d1456be782db2dc581e621be

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
20/02/2024, 05:05

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General

Target

2024-02-20_ae2151b428590b062b15783d2737269a_cryptolocker.exe
Size

36KB
MD5

ae2151b428590b062b15783d2737269a
SHA1

884df53b426d9022cf0d6f9e5886fc0fce3409e0
SHA256

07af362226c193c065c42b86907d7305ace6d314d1456be782db2dc581e621be
SHA512

0c82df88ddfde811ba90f3c23c442b74fb5799bca4200391aba59b2705be24de0c89f69be1aa37ad7cfd2c00285fdca5e36b1d36d9d2cf568209ebaa3a904e3c
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVajSKm5uhy7O4qqF:X6QFElP6n+gJQMOtEvwDpjBcSKm5uhwl

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012247-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012247-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2788	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2912	2024-02-20_ae2151b428590b062b15783d2737269a_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 2912 wrote to memory of 2788	2912	2024-02-20_ae2151b428590b062b15783d2737269a_cryptolocker.exe	28
PID 2912 wrote to memory of 2788	2912	2024-02-20_ae2151b428590b062b15783d2737269a_cryptolocker.exe	28
PID 2912 wrote to memory of 2788	2912	2024-02-20_ae2151b428590b062b15783d2737269a_cryptolocker.exe	28
PID 2912 wrote to memory of 2788	2912	2024-02-20_ae2151b428590b062b15783d2737269a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-20_ae2151b428590b062b15783d2737269a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-20_ae2151b428590b062b15783d2737269a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2912
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2788

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
36KB

MD5
65eb33815231869f4b8ba9dabf7ee7eb

SHA1
519c14426e3147da3e76c6d90e5867ebb08ae1f2

SHA256
03b5f66c74d143056b19aec023e73e8fb9340f87b560c90ab56564b6aab7c7a8

SHA512
4be447cadf594b9a5666e6e94d11dafc318bcea4081ba203e59749162d5eb884dbe60030785f40e6e935d425d2b040aaaa0c504671b984edec2ee0214bcdbef5

Download Submit
memory/2788-15-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2788-19-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2912-0-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2912-2-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2912-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download