2f28229008fd3457b521bd0f2b6e772a251ee1bb2915572de6cf949497303cad

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
23/02/2024, 23:22

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General

Target

2024-02-23_0025e0c333ddcd98858286f8d5a82ae1_cryptolocker.exe
Size

36KB
MD5

0025e0c333ddcd98858286f8d5a82ae1
SHA1

2d15dc26f67db5ea47523333de7657fe2ba21533
SHA256

2f28229008fd3457b521bd0f2b6e772a251ee1bb2915572de6cf949497303cad
SHA512

5a4650316ff20a569d8a52e1fa72559765c10b3cdf28f5ce2a8ee0b53b9011f202c522bd3e4fc22787f01b4a2d37492f6a5120f20a64c0b752a1f272115c22e3
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVajSKm5uhy7O4qqk:X6QFElP6n+gJQMOtEvwDpjBcSKm5uhwE

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012339-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012339-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2976	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2952	2024-02-23_0025e0c333ddcd98858286f8d5a82ae1_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 2952 wrote to memory of 2976	2952	2024-02-23_0025e0c333ddcd98858286f8d5a82ae1_cryptolocker.exe	28
PID 2952 wrote to memory of 2976	2952	2024-02-23_0025e0c333ddcd98858286f8d5a82ae1_cryptolocker.exe	28
PID 2952 wrote to memory of 2976	2952	2024-02-23_0025e0c333ddcd98858286f8d5a82ae1_cryptolocker.exe	28
PID 2952 wrote to memory of 2976	2952	2024-02-23_0025e0c333ddcd98858286f8d5a82ae1_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-23_0025e0c333ddcd98858286f8d5a82ae1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-23_0025e0c333ddcd98858286f8d5a82ae1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2952
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2976

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
37KB

MD5
1e648030c323d38a9c1fd4dcd76ef7e6

SHA1
a10e59ccf859d3167704796de8fc067e595b8778

SHA256
e4e92a4283ae1c24fa7cc16b6e2b3b38e929651871a5096f240bc152586749b6

SHA512
8341a5220b18653981bad8e6e0ae161a634ea4cabf52a989bb691d1b457c21c9d4dbd658e92cba9892b53b46ed9c566df39022a3737710cefb1790be1521c47a

Download Submit
memory/2952-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2952-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2952-2-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2976-15-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download