4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440

Analysis

max time kernel
164s
max time network
181s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 13:23

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General

Target

4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440.exe
Size

931KB
MD5

8f95818ea28d35e29cff18d2e59d8438
SHA1

a50c9f29711b0c0e5f467ccd1fed737004c42f31
SHA256

4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440
SHA512

3795203a577e32821ca36a48d9549825bf2eb4a0a8ad4c6261b1edbd68cb410eaaf865913f552bb58104ab0fa4893a036fd2540e4291bb752e576edd189e2a18
SSDEEP

24576:C6IMwPvmB/wWq+5DUTt7FGSwmpu8nL6YK:C6j19rut7FoU56

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4392-133-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/4392-135-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/4392-136-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/4392-137-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/4392-138-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/4392-139-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/4392-140-0x0000000000400000-0x00000000004EA000-memory.dmp	upx

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	4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440.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	4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3108 set thread context of 4392	3108	4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440.exe	80

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4392	4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440.exe
4392	4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440.exe
4392	4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440.exe
4392	4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440.exe
4392	4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3108 wrote to memory of 4392	3108	4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440.exe	80
PID 3108 wrote to memory of 4392	3108	4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440.exe	80
PID 3108 wrote to memory of 4392	3108	4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440.exe	80
PID 3108 wrote to memory of 4392	3108	4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440.exe	80
PID 3108 wrote to memory of 4392	3108	4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440.exe	80
PID 3108 wrote to memory of 4392	3108	4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440.exe	80
PID 3108 wrote to memory of 4392	3108	4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440.exe	80
PID 3108 wrote to memory of 4392	3108	4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440.exe	80

C:\Users\Admin\AppData\Local\Temp\4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440.exe
"C:\Users\Admin\AppData\Local\Temp\4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3108
- C:\Users\Admin\AppData\Local\Temp\4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440.exe
  "C:\Users\Admin\AppData\Local\Temp\4f1543abb6c70a02d18aa33c8f6d691bcc9b5a1e537f06712bfda5a09f629440.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:4392

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/4392-132-0x0000000000000000-mapping.dmp

Download
memory/4392-133-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/4392-135-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/4392-136-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/4392-137-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/4392-138-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/4392-139-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/4392-140-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads