c2bd32e605c91b907fb8ac0269b78fb1fd8126ae40c6a0392ff6d025ff29cb39

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/04/2024, 17:28

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General

Target

2024-04-22_16832b29be07cf2f716a95e0d6f01c59_cryptolocker.exe
Size

37KB
MD5

16832b29be07cf2f716a95e0d6f01c59
SHA1

265442252fcf025708d6cc66f0c479afd92fc116
SHA256

c2bd32e605c91b907fb8ac0269b78fb1fd8126ae40c6a0392ff6d025ff29cb39
SHA512

582db0fde827f1b71769a188e6912f02d23a644c89fe1b700a9a220b5b89cf47449a4784119f033626050d5548dae9e291bb56ad4a96709633200882941607f0
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFCw08:X6QFElP6n+gJQMOtEvwDpjBmzDU58

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001224f-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001224f-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2760	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2920	2024-04-22_16832b29be07cf2f716a95e0d6f01c59_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 2920 wrote to memory of 2760	2920	2024-04-22_16832b29be07cf2f716a95e0d6f01c59_cryptolocker.exe	28
PID 2920 wrote to memory of 2760	2920	2024-04-22_16832b29be07cf2f716a95e0d6f01c59_cryptolocker.exe	28
PID 2920 wrote to memory of 2760	2920	2024-04-22_16832b29be07cf2f716a95e0d6f01c59_cryptolocker.exe	28
PID 2920 wrote to memory of 2760	2920	2024-04-22_16832b29be07cf2f716a95e0d6f01c59_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-22_16832b29be07cf2f716a95e0d6f01c59_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-22_16832b29be07cf2f716a95e0d6f01c59_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2760

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
38KB

MD5
f617eabee06685d2d155cd3921076337

SHA1
2447587ddd23149539bd3827fcbddf5dfc0112ac

SHA256
579811f9b98df465bb0530a9f219f8e3a2a53d68618dd5d40cbeeb4ee74a57a6

SHA512
3ddda109f016d9988a2c281986ce194071e677bec0d8baa18d281cb37181902dcc55958545e9045c468e47c94eec03a3725885f4000c85a1c240714b6dfcdc2a

Download Submit
memory/2760-15-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2760-22-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2920-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2920-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2920-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download