6b5f6378436ba6b23e160d5fd3656553881e867cdd9d705f9594cd56765d7c60

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
14-02-2024 12:05

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General

Target

2024-02-14_8a85bc3c4cb2efb60aeff2952c206fec_cryptolocker.exe
Size

49KB
MD5

8a85bc3c4cb2efb60aeff2952c206fec
SHA1

309ec93a5573cf0b2def2feebbc4beeeefc5e124
SHA256

6b5f6378436ba6b23e160d5fd3656553881e867cdd9d705f9594cd56765d7c60
SHA512

1bb3deb8ecdc5a8539c9ea26d2f8247a26209f860114fafe913ba7af3edd56c37bd1416564cea0b1c5dc5b1a1153c62217dcf94c68471123cca5b8cb0699be58
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjeJQ7pojakNl:V6a+pOtEvwDpjW

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012243-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012243-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2792	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2424	2024-02-14_8a85bc3c4cb2efb60aeff2952c206fec_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 2424 wrote to memory of 2792	2424	2024-02-14_8a85bc3c4cb2efb60aeff2952c206fec_cryptolocker.exe	28
PID 2424 wrote to memory of 2792	2424	2024-02-14_8a85bc3c4cb2efb60aeff2952c206fec_cryptolocker.exe	28
PID 2424 wrote to memory of 2792	2424	2024-02-14_8a85bc3c4cb2efb60aeff2952c206fec_cryptolocker.exe	28
PID 2424 wrote to memory of 2792	2424	2024-02-14_8a85bc3c4cb2efb60aeff2952c206fec_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-14_8a85bc3c4cb2efb60aeff2952c206fec_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-14_8a85bc3c4cb2efb60aeff2952c206fec_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2792

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
49KB

MD5
0c1ebcd89652192d58832c7f7cd8388f

SHA1
0e8c1a9e7cef06d585171cd4ff6ce35232b070b8

SHA256
2af70416849e308e1ef56c844187d1da4e7dc64d6f96608e455db42898aa7491

SHA512
610de390054839966a9b5c6e5dbc9e1cfa9c9dfe64c99801c01f44d66e1e17a028a6475c5438d51eaee5d38bb49df8ccae69963473fee6b8b413b322293f892a

Download Submit
memory/2424-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2424-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2424-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2792-16-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2792-15-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download