47b0ef2534504b4adc3936c66bdfe5fc4e7566d4e6dbd8f916a59448b68b78e2

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27/03/2024, 03:25

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General

Target

2024-03-27_027a36a90850aae6460319979ca41d30_cryptolocker.exe
Size

54KB
MD5

027a36a90850aae6460319979ca41d30
SHA1

2d8c5da364c5b8f868ecf38fdc6c98e83622ecae
SHA256

47b0ef2534504b4adc3936c66bdfe5fc4e7566d4e6dbd8f916a59448b68b78e2
SHA512

9e5a0c59e3d36f42ad05809df7babd80be37b375cce021fbfd52851839854113cd2101ddc5bf8d084da580af7d9d50c2706e13b91bd76ae5dcb73a4f700527f8
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9XbTbmhTBgQ:bIDOw9a0DwitDZzcTO

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012247-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2264	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2744	2024-03-27_027a36a90850aae6460319979ca41d30_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 2744 wrote to memory of 2264	2744	2024-03-27_027a36a90850aae6460319979ca41d30_cryptolocker.exe	28
PID 2744 wrote to memory of 2264	2744	2024-03-27_027a36a90850aae6460319979ca41d30_cryptolocker.exe	28
PID 2744 wrote to memory of 2264	2744	2024-03-27_027a36a90850aae6460319979ca41d30_cryptolocker.exe	28
PID 2744 wrote to memory of 2264	2744	2024-03-27_027a36a90850aae6460319979ca41d30_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-27_027a36a90850aae6460319979ca41d30_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-27_027a36a90850aae6460319979ca41d30_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2264

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\lossy.exe

Filesize
54KB

MD5
2d5ac687332bec1c42843875a7e22d16

SHA1
59fa766d5256993cc4f27f007050e9dffc00a265

SHA256
e022f257f0aa35a957800d679b667a19b93944f5e4bf553a0ef6b022fe41abb1

SHA512
6dfab476abbef020e41288253c85876f3b46b79debc7d97934f7f6253c9a9e04663beccf053bb9290bb48b1a5d774c4899e25849ce395c77acd68c08dd2727aa

Download Submit
memory/2264-15-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2264-17-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2744-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2744-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2744-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download