2fc6062c94d3ff6a37c63f6034f5db1b00f80e66ce3c745c1278f47fa62d96b0

Analysis

max time kernel
149s
max time network
162s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
06-06-2024 20:07

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General

Target

2024-06-06_c3854812b4e2bb92b8e7663b4a0ed89c_cryptolocker.exe
Size

87KB
MD5

c3854812b4e2bb92b8e7663b4a0ed89c
SHA1

df6a54f74d9f06baa66ce32c0b4de3ac3f157981
SHA256

2fc6062c94d3ff6a37c63f6034f5db1b00f80e66ce3c745c1278f47fa62d96b0
SHA512

b5ef476a6aa54fccbf1ab21e1dafc6292ae21232272ad5de7adc90802840d45431a48f9a71ea5cb42902f7308e3b17e3e16c9761d1baa4ea1b1203878a3ee895
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccVNl6aP:V6a+pOtEvwDpjvp7

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001227b-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001227b-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2628	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2236	2024-06-06_c3854812b4e2bb92b8e7663b4a0ed89c_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 2236 wrote to memory of 2628	2236	2024-06-06_c3854812b4e2bb92b8e7663b4a0ed89c_cryptolocker.exe	28
PID 2236 wrote to memory of 2628	2236	2024-06-06_c3854812b4e2bb92b8e7663b4a0ed89c_cryptolocker.exe	28
PID 2236 wrote to memory of 2628	2236	2024-06-06_c3854812b4e2bb92b8e7663b4a0ed89c_cryptolocker.exe	28
PID 2236 wrote to memory of 2628	2236	2024-06-06_c3854812b4e2bb92b8e7663b4a0ed89c_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-06_c3854812b4e2bb92b8e7663b4a0ed89c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-06_c3854812b4e2bb92b8e7663b4a0ed89c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2628

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
87KB

MD5
a8e7227346f7551ba830d1a345f3a0cf

SHA1
5510f0bede505974e9979e85725c281387a73857

SHA256
f097ba8e6461baf00db3999c40550f5c4e0bf19746f813a393536015ed0924fb

SHA512
f461fa9ee575d15674167486cbe1ae3ba8928c1500d2986b4e70e3ba9197685bef492f58b7aebcc77e67b0a0f0f331d837b75e16fdb8f46f302c9b8dacfddc08

Download Submit
memory/2236-1-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2236-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2236-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2628-15-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download