39a342c8817506066a6ef17665f0dd2e174f6e36305445e078be01636c0abc16

Analysis

max time kernel
54s
max time network
93s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
25/11/2022, 14:20

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General

Target

39a342c8817506066a6ef17665f0dd2e174f6e36305445e078be01636c0abc16.exe
Size

935KB
MD5

b4093554adaa006470c17b4afa1779e2
SHA1

3b45c13a3fb8f7802bc3c8a814bcf5a5308752a6
SHA256

39a342c8817506066a6ef17665f0dd2e174f6e36305445e078be01636c0abc16
SHA512

51026526a2c949a10ea1f230a1f73070be52261e95769fb6b626d8f0e2fea60c78679a187e0e6e97c2fd48d73923384e9810753a0f90d137cc03af3e71612e3d
SSDEEP

12288:I5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4w:IyHv5Z+Wzv7AiBll0OBWi6si9GV

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/524-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/524-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/524-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/524-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/524-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/524-64-0x0000000000400000-0x00000000004F2000-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	39a342c8817506066a6ef17665f0dd2e174f6e36305445e078be01636c0abc16.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	39a342c8817506066a6ef17665f0dd2e174f6e36305445e078be01636c0abc16.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	39a342c8817506066a6ef17665f0dd2e174f6e36305445e078be01636c0abc16.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	39a342c8817506066a6ef17665f0dd2e174f6e36305445e078be01636c0abc16.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1936 set thread context of 524	1936	39a342c8817506066a6ef17665f0dd2e174f6e36305445e078be01636c0abc16.exe	29

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
524	39a342c8817506066a6ef17665f0dd2e174f6e36305445e078be01636c0abc16.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 524	1936	39a342c8817506066a6ef17665f0dd2e174f6e36305445e078be01636c0abc16.exe	29
PID 1936 wrote to memory of 524	1936	39a342c8817506066a6ef17665f0dd2e174f6e36305445e078be01636c0abc16.exe	29
PID 1936 wrote to memory of 524	1936	39a342c8817506066a6ef17665f0dd2e174f6e36305445e078be01636c0abc16.exe	29
PID 1936 wrote to memory of 524	1936	39a342c8817506066a6ef17665f0dd2e174f6e36305445e078be01636c0abc16.exe	29
PID 1936 wrote to memory of 524	1936	39a342c8817506066a6ef17665f0dd2e174f6e36305445e078be01636c0abc16.exe	29
PID 1936 wrote to memory of 524	1936	39a342c8817506066a6ef17665f0dd2e174f6e36305445e078be01636c0abc16.exe	29
PID 1936 wrote to memory of 524	1936	39a342c8817506066a6ef17665f0dd2e174f6e36305445e078be01636c0abc16.exe	29
PID 1936 wrote to memory of 524	1936	39a342c8817506066a6ef17665f0dd2e174f6e36305445e078be01636c0abc16.exe	29

C:\Users\Admin\AppData\Local\Temp\39a342c8817506066a6ef17665f0dd2e174f6e36305445e078be01636c0abc16.exe
"C:\Users\Admin\AppData\Local\Temp\39a342c8817506066a6ef17665f0dd2e174f6e36305445e078be01636c0abc16.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Users\Admin\AppData\Local\Temp\39a342c8817506066a6ef17665f0dd2e174f6e36305445e078be01636c0abc16.exe
  "C:\Users\Admin\AppData\Local\Temp\39a342c8817506066a6ef17665f0dd2e174f6e36305445e078be01636c0abc16.exe" Track="0001101000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:524

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/524-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/524-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/524-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/524-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/524-61-0x00000000753D1000-0x00000000753D3000-memory.dmp

Filesize
8KB

Download
memory/524-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/524-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/524-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads