bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c

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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1572-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1572-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1572-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1572-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1572-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1572-64-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1572-65-0x0000000000400000-0x00000000004F2000-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 836 set thread context of 1572	836	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe	29

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1572	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 1572	836	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe	29
PID 836 wrote to memory of 1572	836	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe	29
PID 836 wrote to memory of 1572	836	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe	29
PID 836 wrote to memory of 1572	836	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe	29
PID 836 wrote to memory of 1572	836	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe	29
PID 836 wrote to memory of 1572	836	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe	29
PID 836 wrote to memory of 1572	836	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe	29
PID 836 wrote to memory of 1572	836	bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe	29

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:836
- C:\Users\Admin\AppData\Local\Temp\bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe
  "C:\Users\Admin\AppData\Local\Temp\bfcd14a5fce849761d428583c12c062b0891a504b6266d2f4c82ab9f4eb3bc8c.exe" Track="0001101000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1572

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1572-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1572-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1572-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1572-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1572-61-0x0000000075A11000-0x0000000075A13000-memory.dmp

Filesize
8KB

Download
memory/1572-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1572-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1572-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1572-65-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads