3be47e7b7d1f3386feeb68650ac6287e83b1349d46fd28a3a5d9627e2429caae

Analysis

max time kernel
138s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15/10/2024, 02:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-10-15_b092bf331d143a3862e5d943a79e12e2_cryptolocker.exe
Size

47KB
MD5

b092bf331d143a3862e5d943a79e12e2
SHA1

8e47e5beebd9182aaf7473937b1bcd9907d306d4
SHA256

3be47e7b7d1f3386feeb68650ac6287e83b1349d46fd28a3a5d9627e2429caae
SHA512

31f2d08bab3c3d47424c93c6280855387c26b8b59ecf85f18db855ac69d773d9754034d37f807443b02da809f2797a22ae7ccb497a9e15251003842e3833c40a
SSDEEP

768:bODOw9UiamWUB2preAr+OfjH/0STX73OBqO6iv:bODOw9acifH+Yziv

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2664	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2668	2024-10-15_b092bf331d143a3862e5d943a79e12e2_cryptolocker.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2668-0-0x0000000008000000-0x000000000800F000-memory.dmp	upx
behavioral1/files/0x0007000000012119-11.dat	upx
behavioral1/memory/2664-16-0x0000000008000000-0x000000000800F000-memory.dmp	upx
behavioral1/memory/2668-14-0x0000000008000000-0x000000000800F000-memory.dmp	upx
behavioral1/memory/2664-25-0x0000000008000000-0x000000000800F000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-15_b092bf331d143a3862e5d943a79e12e2_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lossy.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2664	2668	2024-10-15_b092bf331d143a3862e5d943a79e12e2_cryptolocker.exe	30
PID 2668 wrote to memory of 2664	2668	2024-10-15_b092bf331d143a3862e5d943a79e12e2_cryptolocker.exe	30
PID 2668 wrote to memory of 2664	2668	2024-10-15_b092bf331d143a3862e5d943a79e12e2_cryptolocker.exe	30
PID 2668 wrote to memory of 2664	2668	2024-10-15_b092bf331d143a3862e5d943a79e12e2_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-15_b092bf331d143a3862e5d943a79e12e2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-15_b092bf331d143a3862e5d943a79e12e2_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
47KB

MD5
7a474df9f7f4e0013756a3287d5e347f

SHA1
a49dd2b89c7faa00ecf2fa3ebb08e11fc8ef017d

SHA256
8b52acaa64702e7117f646eb002aff754a6a7180b187d200c2b1d499e3d55a02

SHA512
d22786842eb0abe551d330f9ed5b6ae87d715ea5e324019dbbb8bc22bd41be2f5f4c821ce3ec70605aaf57133f1aa94611cd030ef7cc6307d642d2741151c9dd

Download Submit
memory/2664-16-0x0000000008000000-0x000000000800F000-memory.dmp

Filesize
60KB

Download
memory/2664-18-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2664-25-0x0000000008000000-0x000000000800F000-memory.dmp

Filesize
60KB

Download
memory/2668-0-0x0000000008000000-0x000000000800F000-memory.dmp

Filesize
60KB

Download
memory/2668-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2668-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2668-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2668-14-0x0000000008000000-0x000000000800F000-memory.dmp

Filesize
60KB

Download