e9f059d1994fcaf41e9026c08d63899b4d10353f2c2afb15230866664fd3dcda

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, 05:49

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General

Target

2024-02-20_6507ac1c07c1572b105d3fbc68797afc_cryptolocker.exe
Size

42KB
MD5

6507ac1c07c1572b105d3fbc68797afc
SHA1

1f1877626b0e643ea7a551836b4315d138a6e03c
SHA256

e9f059d1994fcaf41e9026c08d63899b4d10353f2c2afb15230866664fd3dcda
SHA512

c06553aed442d1ede38e9580dc5748639d1991641ad534af53fff9b5f92193e24021cb7438febddc84c7faf38eadd8fa5b9079bffac64e1ebb3be61658b14619
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzf0:V6QFElP6n+gMQMOtEvwDpjyaYaFAx

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001225a-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001225a-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2720	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2328	2024-02-20_6507ac1c07c1572b105d3fbc68797afc_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 2328 wrote to memory of 2720	2328	2024-02-20_6507ac1c07c1572b105d3fbc68797afc_cryptolocker.exe	28
PID 2328 wrote to memory of 2720	2328	2024-02-20_6507ac1c07c1572b105d3fbc68797afc_cryptolocker.exe	28
PID 2328 wrote to memory of 2720	2328	2024-02-20_6507ac1c07c1572b105d3fbc68797afc_cryptolocker.exe	28
PID 2328 wrote to memory of 2720	2328	2024-02-20_6507ac1c07c1572b105d3fbc68797afc_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-20_6507ac1c07c1572b105d3fbc68797afc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-20_6507ac1c07c1572b105d3fbc68797afc_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2720

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
43KB

MD5
7866dc8259a0c950ad0e54c58b3138f2

SHA1
310a55123e102baab4c1738cf097a0a2ba836fba

SHA256
59782362fb062db79bd248d03f8d662b0977ab838e40be7cdf39f63d191451bc

SHA512
9b1476fde0f1f88ae09d88fd8ad705da7ab9823ac654b1dc66f689a075ba600bef627cca05098e53fb89af5a2e9c6966d4801804a9ce94227b92c684eef06549

Download Submit
memory/2328-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2328-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2328-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2720-16-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2720-15-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download