c111f50b794116cc24566a665d08db2b01eb04917f0d9eb5ed244f7e83e2de43

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
18/03/2024, 13:39

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General

Target

2024-03-18_69c3cb0149875321072f299c2bf89b04_cryptolocker.exe
Size

95KB
MD5

69c3cb0149875321072f299c2bf89b04
SHA1

dec9fb1d69f3c20a158694beac0273df0d45081b
SHA256

c111f50b794116cc24566a665d08db2b01eb04917f0d9eb5ed244f7e83e2de43
SHA512

6b4878fb542b32cedc6e9456c879d63187db86d35c9ae2ee06ea24a8c82f7f7e6abc60808997dd8eba6ee2498e58e6f360b2607806892ed0b61730485bd1e2f3
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgp0a:V6a+pOtEvwDpjtzC

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000f000000012241-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000f000000012241-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2884	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2912	2024-03-18_69c3cb0149875321072f299c2bf89b04_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 2884	2912	2024-03-18_69c3cb0149875321072f299c2bf89b04_cryptolocker.exe	28
PID 2912 wrote to memory of 2884	2912	2024-03-18_69c3cb0149875321072f299c2bf89b04_cryptolocker.exe	28
PID 2912 wrote to memory of 2884	2912	2024-03-18_69c3cb0149875321072f299c2bf89b04_cryptolocker.exe	28
PID 2912 wrote to memory of 2884	2912	2024-03-18_69c3cb0149875321072f299c2bf89b04_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-18_69c3cb0149875321072f299c2bf89b04_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-18_69c3cb0149875321072f299c2bf89b04_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:2884

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
95KB

MD5
703d4b802bc67989e1de746a5a6f41c1

SHA1
deae9e91976250afb5a7f7ac9579ba0cd5ebdc7e

SHA256
7b7efa99bc884c61ec24de3de8f15fa04533efe47660521fd9006bf34a2b98b8

SHA512
510d5bb04b97b2424529881abf5c9794b56ca1da78f500bfe15463b23a24a8bbaacb7cb83e7f0ec84a588315bab7615e8f9dfd6caa294f70fefbc6fe35c90796

Download Submit
memory/2884-15-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2884-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2912-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2912-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2912-2-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download