220fd00b02a7c556b538f68e477eaac0ef725349a14bca76cd33d5ecf254b8a9

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
20/02/2024, 15:02

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General

Target

2024-02-20_c207b59cdb7f5197ef2c763de986f335_cryptolocker.exe
Size

58KB
MD5

c207b59cdb7f5197ef2c763de986f335
SHA1

b826978200f7e712e465063bc8b72690baf26de0
SHA256

220fd00b02a7c556b538f68e477eaac0ef725349a14bca76cd33d5ecf254b8a9
SHA512

33302fa5ef431b3105182d5fc3b0919535b020867a4572528fb69d2eac81433e58ea4e3e97904f81329e4783553c709bbb265831bfc108deeb8406364b1fc7a6
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLa5VccPt547/qm3ME:V6QFElP6n+gMQMOtEvwDpjyaLccVCbDf

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122dc-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122dc-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2752	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2336	2024-02-20_c207b59cdb7f5197ef2c763de986f335_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 2336 wrote to memory of 2752	2336	2024-02-20_c207b59cdb7f5197ef2c763de986f335_cryptolocker.exe	28
PID 2336 wrote to memory of 2752	2336	2024-02-20_c207b59cdb7f5197ef2c763de986f335_cryptolocker.exe	28
PID 2336 wrote to memory of 2752	2336	2024-02-20_c207b59cdb7f5197ef2c763de986f335_cryptolocker.exe	28
PID 2336 wrote to memory of 2752	2336	2024-02-20_c207b59cdb7f5197ef2c763de986f335_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-20_c207b59cdb7f5197ef2c763de986f335_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-20_c207b59cdb7f5197ef2c763de986f335_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2752

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
59KB

MD5
17c525a6320cd6c8f5534c81b598ee27

SHA1
024d038cfd729206d50b4d8519bdd1586eba5867

SHA256
57d77976d8520015cbdc4d85d2f12fbb8f3021d12156b7aab953738bc7f43b8a

SHA512
7a2f39c495e6081ebae54f56f3dd2820fd2c5c81dd0912e5a57641ab8e8603515a425f63bd35fc234af0c4bb58f87d5bba581d1a95031bd1c6fe821fad60e0a7

Download Submit
memory/2336-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2336-1-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2336-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download