bef105f87094078cf0b2b8b286e778246e38b8b35dbf0996ab07e3c21a32087e

Analysis

max time kernel
34s
max time network
63s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
25/11/2022, 08:36

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General

Target

bef105f87094078cf0b2b8b286e778246e38b8b35dbf0996ab07e3c21a32087e.exe
Size

935KB
MD5

79d0825675cd3f3688602cff5fc1895d
SHA1

e5befe2e20cb287bcdc4252890ef2a558b1696bd
SHA256

bef105f87094078cf0b2b8b286e778246e38b8b35dbf0996ab07e3c21a32087e
SHA512

a0721dba4c54f763db947d603541b66643251aab1c83068f2a89905bcd46b08df75a1fc8bd5ecd9edffcbc9c0869d906333650f59a911d61e70d7fbb5b302bba
SSDEEP

12288:p5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4M:pyHv5Z+Wzv7AiBll0OBWi6si9Gl

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/1644-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1644-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1644-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1644-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1644-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1644-64-0x0000000000400000-0x00000000004F2000-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	bef105f87094078cf0b2b8b286e778246e38b8b35dbf0996ab07e3c21a32087e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	bef105f87094078cf0b2b8b286e778246e38b8b35dbf0996ab07e3c21a32087e.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	bef105f87094078cf0b2b8b286e778246e38b8b35dbf0996ab07e3c21a32087e.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	bef105f87094078cf0b2b8b286e778246e38b8b35dbf0996ab07e3c21a32087e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1416 set thread context of 1644	1416	bef105f87094078cf0b2b8b286e778246e38b8b35dbf0996ab07e3c21a32087e.exe	29

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1644	bef105f87094078cf0b2b8b286e778246e38b8b35dbf0996ab07e3c21a32087e.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1416 wrote to memory of 1644	1416	bef105f87094078cf0b2b8b286e778246e38b8b35dbf0996ab07e3c21a32087e.exe	29
PID 1416 wrote to memory of 1644	1416	bef105f87094078cf0b2b8b286e778246e38b8b35dbf0996ab07e3c21a32087e.exe	29
PID 1416 wrote to memory of 1644	1416	bef105f87094078cf0b2b8b286e778246e38b8b35dbf0996ab07e3c21a32087e.exe	29
PID 1416 wrote to memory of 1644	1416	bef105f87094078cf0b2b8b286e778246e38b8b35dbf0996ab07e3c21a32087e.exe	29
PID 1416 wrote to memory of 1644	1416	bef105f87094078cf0b2b8b286e778246e38b8b35dbf0996ab07e3c21a32087e.exe	29
PID 1416 wrote to memory of 1644	1416	bef105f87094078cf0b2b8b286e778246e38b8b35dbf0996ab07e3c21a32087e.exe	29
PID 1416 wrote to memory of 1644	1416	bef105f87094078cf0b2b8b286e778246e38b8b35dbf0996ab07e3c21a32087e.exe	29
PID 1416 wrote to memory of 1644	1416	bef105f87094078cf0b2b8b286e778246e38b8b35dbf0996ab07e3c21a32087e.exe	29

C:\Users\Admin\AppData\Local\Temp\bef105f87094078cf0b2b8b286e778246e38b8b35dbf0996ab07e3c21a32087e.exe
"C:\Users\Admin\AppData\Local\Temp\bef105f87094078cf0b2b8b286e778246e38b8b35dbf0996ab07e3c21a32087e.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1416
- C:\Users\Admin\AppData\Local\Temp\bef105f87094078cf0b2b8b286e778246e38b8b35dbf0996ab07e3c21a32087e.exe
  "C:\Users\Admin\AppData\Local\Temp\bef105f87094078cf0b2b8b286e778246e38b8b35dbf0996ab07e3c21a32087e.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1644

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/1644-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1644-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1644-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1644-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1644-61-0x0000000075F01000-0x0000000075F03000-memory.dmp

Filesize
8KB

Download
memory/1644-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1644-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1644-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads