baa9b1d1ce1e6b102dbadc25ce6cc7654360d7a6afe922295187c04512ee1ce9

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
03-05-2024 03:35

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General

Target

2024-05-03_517ef21220d4b503e4f65b805a12c844_cryptolocker.exe
Size

40KB
MD5

517ef21220d4b503e4f65b805a12c844
SHA1

1e79cdcf232436306088a8f87f7ee8aa059f8841
SHA256

baa9b1d1ce1e6b102dbadc25ce6cc7654360d7a6afe922295187c04512ee1ce9
SHA512

016305b751be7f4b415806b192bf15482c334f0b38390dd8868acf28fa7e23c53aa90a18987ec78869b939ab58ff68f1efa42397ec6264cce2471a1aef17cdbf
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmxT4Hmz:bA6YcA/X6G0W1BGz

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001416a-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2680	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2800	2024-05-03_517ef21220d4b503e4f65b805a12c844_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 2800 wrote to memory of 2680	2800	2024-05-03_517ef21220d4b503e4f65b805a12c844_cryptolocker.exe	28
PID 2800 wrote to memory of 2680	2800	2024-05-03_517ef21220d4b503e4f65b805a12c844_cryptolocker.exe	28
PID 2800 wrote to memory of 2680	2800	2024-05-03_517ef21220d4b503e4f65b805a12c844_cryptolocker.exe	28
PID 2800 wrote to memory of 2680	2800	2024-05-03_517ef21220d4b503e4f65b805a12c844_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-03_517ef21220d4b503e4f65b805a12c844_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-03_517ef21220d4b503e4f65b805a12c844_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2800
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2680

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\hasfj.exe

Filesize
40KB

MD5
b026fdc301cfcc9eab825662e2a11ac6

SHA1
98de514f8b87692b612890a2ea0532fc0fa54bae

SHA256
9f86900a5ee9ba6b2d265d490abccecaa6a0a932ed09ef694f4cdc37c0c9a10f

SHA512
16e876bee1089b4948c7914b9170615eaa68a334e57cd22aadffac1373b82495d0c27049a2947f81149f172032e0acf2716925c7bfb2201bedc9da778e74770d

Download Submit
memory/2680-15-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/2680-16-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/2800-1-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2800-0-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2800-8-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download