bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905

Analysis

max time kernel
150s
max time network
190s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 08:41

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General

Target

bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905.exe
Size

935KB
MD5

aeb051478ca37865f0588bedfbeb2c27
SHA1

a6ea7bf210884fc76e95191b7369f1555205feb3
SHA256

bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905
SHA512

e689cd66f23a3c9cf6daedc71ba6a820f72f6e2e39d637df3c205289493807b124e0e1ee1d343b665552bceed93dbc972be52259f16733ecdef61b2968818a1c
SSDEEP

12288:p5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4:pyHv5Z+Wzv7AiBll0OBWi6si9G

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4736-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4736-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4736-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4736-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4736-138-0x0000000000400000-0x00000000004F2000-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	bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905.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	bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4640 set thread context of 4736	4640	bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905.exe	82

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4736	bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905.exe
4736	bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905.exe
4736	bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905.exe
4736	bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905.exe
4736	bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905.exe
4736	bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4640 wrote to memory of 4736	4640	bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905.exe	82
PID 4640 wrote to memory of 4736	4640	bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905.exe	82
PID 4640 wrote to memory of 4736	4640	bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905.exe	82
PID 4640 wrote to memory of 4736	4640	bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905.exe	82
PID 4640 wrote to memory of 4736	4640	bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905.exe	82
PID 4640 wrote to memory of 4736	4640	bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905.exe	82
PID 4640 wrote to memory of 4736	4640	bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905.exe	82
PID 4640 wrote to memory of 4736	4640	bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905.exe	82

C:\Users\Admin\AppData\Local\Temp\bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905.exe
"C:\Users\Admin\AppData\Local\Temp\bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4640
- C:\Users\Admin\AppData\Local\Temp\bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905.exe
  "C:\Users\Admin\AppData\Local\Temp\bd31ba3347b9d9eff6cca5fc25a1f4be12e873c361ca751b8f0b919202f39905.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:4736

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/4736-132-0x0000000000000000-mapping.dmp

Download
memory/4736-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4736-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4736-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4736-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4736-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads