b2fd7f48c0be223d1bff6cba785bd1490fb1d0ad092e2fcf3dbf43135d659c4c

Analysis

max time kernel
21s
max time network
60s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 09:07

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General

Target

b2fd7f48c0be223d1bff6cba785bd1490fb1d0ad092e2fcf3dbf43135d659c4c.exe
Size

935KB
MD5

121034785bd53135e9aac416724d2b67
SHA1

12dc5c286b2d21e7c53d827b2adbd20bb7b86bec
SHA256

b2fd7f48c0be223d1bff6cba785bd1490fb1d0ad092e2fcf3dbf43135d659c4c
SHA512

29b63583556cbfb7224a8bf32eb445813d850499b936775bda56bf0a888f82ef140d0a4a18b5b09b3c4cd510171a161ee3ffd26bda780332fbb7ed7e7ff09e80
SSDEEP

12288:J5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4O:JyHv5Z+Wzv7AiBll0OBWi6si9G

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/956-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/956-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/956-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/956-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/956-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/956-64-0x0000000000400000-0x00000000004F2000-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	b2fd7f48c0be223d1bff6cba785bd1490fb1d0ad092e2fcf3dbf43135d659c4c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b2fd7f48c0be223d1bff6cba785bd1490fb1d0ad092e2fcf3dbf43135d659c4c.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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	b2fd7f48c0be223d1bff6cba785bd1490fb1d0ad092e2fcf3dbf43135d659c4c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b2fd7f48c0be223d1bff6cba785bd1490fb1d0ad092e2fcf3dbf43135d659c4c.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1664 set thread context of 956	1664	b2fd7f48c0be223d1bff6cba785bd1490fb1d0ad092e2fcf3dbf43135d659c4c.exe	28

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
956	b2fd7f48c0be223d1bff6cba785bd1490fb1d0ad092e2fcf3dbf43135d659c4c.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 956	1664	b2fd7f48c0be223d1bff6cba785bd1490fb1d0ad092e2fcf3dbf43135d659c4c.exe	28
PID 1664 wrote to memory of 956	1664	b2fd7f48c0be223d1bff6cba785bd1490fb1d0ad092e2fcf3dbf43135d659c4c.exe	28
PID 1664 wrote to memory of 956	1664	b2fd7f48c0be223d1bff6cba785bd1490fb1d0ad092e2fcf3dbf43135d659c4c.exe	28
PID 1664 wrote to memory of 956	1664	b2fd7f48c0be223d1bff6cba785bd1490fb1d0ad092e2fcf3dbf43135d659c4c.exe	28
PID 1664 wrote to memory of 956	1664	b2fd7f48c0be223d1bff6cba785bd1490fb1d0ad092e2fcf3dbf43135d659c4c.exe	28
PID 1664 wrote to memory of 956	1664	b2fd7f48c0be223d1bff6cba785bd1490fb1d0ad092e2fcf3dbf43135d659c4c.exe	28
PID 1664 wrote to memory of 956	1664	b2fd7f48c0be223d1bff6cba785bd1490fb1d0ad092e2fcf3dbf43135d659c4c.exe	28
PID 1664 wrote to memory of 956	1664	b2fd7f48c0be223d1bff6cba785bd1490fb1d0ad092e2fcf3dbf43135d659c4c.exe	28

C:\Users\Admin\AppData\Local\Temp\b2fd7f48c0be223d1bff6cba785bd1490fb1d0ad092e2fcf3dbf43135d659c4c.exe
"C:\Users\Admin\AppData\Local\Temp\b2fd7f48c0be223d1bff6cba785bd1490fb1d0ad092e2fcf3dbf43135d659c4c.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1664
- C:\Users\Admin\AppData\Local\Temp\b2fd7f48c0be223d1bff6cba785bd1490fb1d0ad092e2fcf3dbf43135d659c4c.exe
  "C:\Users\Admin\AppData\Local\Temp\b2fd7f48c0be223d1bff6cba785bd1490fb1d0ad092e2fcf3dbf43135d659c4c.exe" Track="0001101000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:956

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/956-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/956-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/956-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/956-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/956-61-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/956-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/956-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/956-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads