56118b7538aef78ebb8318c5765d092fdfd1afd7824f50bd986871baed9caeb1

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 03:37

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General

Target

2024-11-20_d0f6ae5a0c4d4b6ef1cbb8624f2a21e9_cryptolocker.exe
Size

72KB
MD5

d0f6ae5a0c4d4b6ef1cbb8624f2a21e9
SHA1

dab1133767c5ac0259e2865ab264e0e8d6111ec3
SHA256

56118b7538aef78ebb8318c5765d092fdfd1afd7824f50bd986871baed9caeb1
SHA512

b6f9415d5d02d910c0b56410107a20a7378d1e9ffb89845fae5af7fd9cfc28b149ab2aa149deb5537810b1c9848acc4295065058c3f27ffc8a283122de50fb2d
SSDEEP

1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs97:C4Q2c94OtEvwDpj4H8zO

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2908	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2732	2024-11-20_d0f6ae5a0c4d4b6ef1cbb8624f2a21e9_cryptolocker.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2732-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0007000000012117-11.dat	upx
behavioral1/memory/2908-17-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2732-15-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2908-27-0x0000000000500000-0x0000000000510000-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	2024-11-20_d0f6ae5a0c4d4b6ef1cbb8624f2a21e9_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	misid.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 2908	2732	2024-11-20_d0f6ae5a0c4d4b6ef1cbb8624f2a21e9_cryptolocker.exe	30
PID 2732 wrote to memory of 2908	2732	2024-11-20_d0f6ae5a0c4d4b6ef1cbb8624f2a21e9_cryptolocker.exe	30
PID 2732 wrote to memory of 2908	2732	2024-11-20_d0f6ae5a0c4d4b6ef1cbb8624f2a21e9_cryptolocker.exe	30
PID 2732 wrote to memory of 2908	2732	2024-11-20_d0f6ae5a0c4d4b6ef1cbb8624f2a21e9_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-11-20_d0f6ae5a0c4d4b6ef1cbb8624f2a21e9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_d0f6ae5a0c4d4b6ef1cbb8624f2a21e9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2732
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2908

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

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Downloads

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

Filesize
72KB

MD5
2d72b1ddfa12c422b75c521f193a4fde

SHA1
346706a79e6b5f4d1366c699a5c2201b57557883

SHA256
a2220a322385e9147c7cddbc1058bf584d97c0488b21766ccb56315af2334f17

SHA512
2f5cfc202eede5b893a290fd18b8a15231851facfc4b4e0f679dd18bfd900e21bbb3de8b48eea2d5b6cf40cf5c2a327c550f3e6b8279d89a4983f2ad2256fe98

Download Submit
memory/2732-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2732-9-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2732-2-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2732-1-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2732-15-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2908-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2908-19-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2908-26-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2908-27-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download