efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148

Analysis

max time kernel
151s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2022, 13:08

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General

Target

efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe
Size

1.0MB
MD5

9d44c6890774cf49009ddaba581e5040
SHA1

c0be7b0bd794277ed26526548745e5797d8be0b7
SHA256

efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148
SHA512

456bfdf72985fab6bd1fa95e6522dcc07719a2973e56e43e4d9e9bc60ac2e469a0d1229a35e381e7e448d53853e6870c2e50a699a9a9454c86182838000ecdec
SSDEEP

24576:plcZbTZvSDFbC+IX0RFLlVeUXHPwPzwIRm0m+b+I:ploGF5EUXHP8Lb+I

Score

7^/10

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4624 set thread context of 1540	4624	efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe	81

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1540	efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe
1540	efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe
1540	efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe
1540	efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe
1540	efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe
1540	efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4624 wrote to memory of 1540	4624	efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe	81
PID 4624 wrote to memory of 1540	4624	efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe	81
PID 4624 wrote to memory of 1540	4624	efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe	81
PID 4624 wrote to memory of 1540	4624	efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe	81
PID 4624 wrote to memory of 1540	4624	efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe	81
PID 4624 wrote to memory of 1540	4624	efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe	81
PID 4624 wrote to memory of 1540	4624	efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe	81
PID 4624 wrote to memory of 1540	4624	efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe	81
PID 4624 wrote to memory of 1540	4624	efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe	81
PID 4624 wrote to memory of 1540	4624	efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe	81

C:\Users\Admin\AppData\Local\Temp\efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe
"C:\Users\Admin\AppData\Local\Temp\efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4624
- C:\Users\Admin\AppData\Local\Temp\efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe
  "C:\Users\Admin\AppData\Local\Temp\efb5b39f60bb3adc323606856de6acfabeeb6734c2f2513ca17e65f61f2c3148.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1540

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1540-133-0x0000000000400000-0x0000000000520000-memory.dmp

Filesize
1.1MB

Download
memory/1540-134-0x0000000000400000-0x0000000000520000-memory.dmp

Filesize
1.1MB

Download
memory/1540-135-0x0000000000400000-0x0000000000520000-memory.dmp

Filesize
1.1MB

Download
memory/1540-136-0x0000000000400000-0x0000000000520000-memory.dmp

Filesize
1.1MB

Download
memory/1540-137-0x0000000000400000-0x0000000000520000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads