9b7d726bbbc6568dc5c03cbdaa5f28b7c7226d032452f99868ca6a59c139cb31

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20/06/2024, 05:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-06-20_993744aaeba18614f7f44a82eedc1a10_cryptolocker.exe
Size

69KB
MD5

993744aaeba18614f7f44a82eedc1a10
SHA1

3d8fc3d1cdba858abaffea47e8170fa009e80472
SHA256

9b7d726bbbc6568dc5c03cbdaa5f28b7c7226d032452f99868ca6a59c139cb31
SHA512

3a486b6944b44e0d2522a913a7c7a940657675164bb098fcaf5a34fc93957b27f77925125d517854a8c90624c4a4f8ee9862e4aabc6837e00da1c912737da496
SSDEEP

1536:quJu9cvMOtEvwDpjWYTjipvF2bx1PQAeP:78SEOtEvwDpjWYvQd2Pm

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2112	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1752	2024-06-20_993744aaeba18614f7f44a82eedc1a10_cryptolocker.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1752-0-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x000c00000001313a-11.dat	upx
behavioral1/memory/1752-16-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/memory/2112-17-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/memory/2112-27-0x0000000000500000-0x000000000050F000-memory.dmp	upx

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 1752 wrote to memory of 2112	1752	2024-06-20_993744aaeba18614f7f44a82eedc1a10_cryptolocker.exe	28
PID 1752 wrote to memory of 2112	1752	2024-06-20_993744aaeba18614f7f44a82eedc1a10_cryptolocker.exe	28
PID 1752 wrote to memory of 2112	1752	2024-06-20_993744aaeba18614f7f44a82eedc1a10_cryptolocker.exe	28
PID 1752 wrote to memory of 2112	1752	2024-06-20_993744aaeba18614f7f44a82eedc1a10_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-20_993744aaeba18614f7f44a82eedc1a10_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-20_993744aaeba18614f7f44a82eedc1a10_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2112

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
70KB

MD5
7e57b6498ce5178acf7408e8256ca932

SHA1
e5ef10c6367f1efddca7b80530a2b1ffb4240549

SHA256
21efc598a6725826a9e3b6919c49e21f8429895309b1f3c9a115081b51735a85

SHA512
18db58cbb341812b45b18a335c805afd1521d83255a437d13a748d764a5d10ad211a3bee35e163074c90155bc97772a31e5532c57c4a61e5c2c6d2bb247b54a4

Download Submit
memory/1752-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1752-2-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/1752-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1752-9-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1752-16-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2112-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2112-19-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2112-20-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2112-27-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download