025c427151c3eabfe6967ae36684ede96ddf7af4ead7ced3413074f7a2b39b25

Analysis

max time kernel
132s
max time network
142s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
12/03/2024, 05:51

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General

Target

2024-03-12_ad76f81bd04c1c52c8a526cc8392b24e_cryptolocker.exe
Size

94KB
MD5

ad76f81bd04c1c52c8a526cc8392b24e
SHA1

7ad98f3d611a0f2e1a8518a81a6a1e4ffc69aa15
SHA256

025c427151c3eabfe6967ae36684ede96ddf7af4ead7ced3413074f7a2b39b25
SHA512

c5af1ae6f174fccdf837d4aa251eecee04162e627f2111d1192fd9bb6639b01d79a642569293791b2b2cabcc92892a74368805e1ef32f25f69c45c07ba25a540
SSDEEP

1536:26QFElP6n+gBQMOtEvwDpjQGYQbN/PKwNCM:26a+2OtEvwDpjtzf

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012265-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012265-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2472	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2912	2024-03-12_ad76f81bd04c1c52c8a526cc8392b24e_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 2912 wrote to memory of 2472	2912	2024-03-12_ad76f81bd04c1c52c8a526cc8392b24e_cryptolocker.exe	28
PID 2912 wrote to memory of 2472	2912	2024-03-12_ad76f81bd04c1c52c8a526cc8392b24e_cryptolocker.exe	28
PID 2912 wrote to memory of 2472	2912	2024-03-12_ad76f81bd04c1c52c8a526cc8392b24e_cryptolocker.exe	28
PID 2912 wrote to memory of 2472	2912	2024-03-12_ad76f81bd04c1c52c8a526cc8392b24e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-12_ad76f81bd04c1c52c8a526cc8392b24e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_ad76f81bd04c1c52c8a526cc8392b24e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2912
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2472

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
94KB

MD5
4562a7e989159ccb3a0d895c9bab801e

SHA1
6de60bebb9999308026de8bb991464bec024990d

SHA256
0d1467e43d889fd9762537ae92a3ff2d32b78f1f9ef9b4519f5fffa1ef48ee3e

SHA512
b91ab7f4032a8486a4b99696a5a21ccff49ba94e54b8711ccfe677f9055c3779c5a877235268fb841edd68b9f7e72fa00aa8fd73b88a0138cc2e3c4f69aa7a93

Download Submit
memory/2472-15-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2472-18-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2912-0-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2912-2-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2912-1-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download