bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c

Analysis

max time kernel
144s
max time network
154s
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, 08:34

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General

Target

bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe
Size

935KB
MD5

17700b5b535a2fca69b6c2472fb9ae8a
SHA1

3169539e39d2e9bb791852172c5465c06d6bd53b
SHA256

bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c
SHA512

1a98193580c975023b088c6eca78362905a93c5a8bf84032133bdf895c0b9c882a30397def31076a7300742bc256a9deeddbaa311cf9fb198c2cb2faf2eaedf8
SSDEEP

12288:J5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4:JyHv5Z+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/872-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/872-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/872-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/872-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/872-138-0x0000000000400000-0x00000000004F2000-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	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.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	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3172 set thread context of 872	3172	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe	79

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
872	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe
872	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe
872	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe
872	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe
872	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe
872	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3172 wrote to memory of 872	3172	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe	79
PID 3172 wrote to memory of 872	3172	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe	79
PID 3172 wrote to memory of 872	3172	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe	79
PID 3172 wrote to memory of 872	3172	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe	79
PID 3172 wrote to memory of 872	3172	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe	79
PID 3172 wrote to memory of 872	3172	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe	79
PID 3172 wrote to memory of 872	3172	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe	79
PID 3172 wrote to memory of 872	3172	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe	79

C:\Users\Admin\AppData\Local\Temp\bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe
"C:\Users\Admin\AppData\Local\Temp\bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3172
- C:\Users\Admin\AppData\Local\Temp\bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe
  "C:\Users\Admin\AppData\Local\Temp\bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:872

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/872-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/872-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/872-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/872-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/872-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads