a435aeb1bca671da9524d4095fb47ec287ce60ab3d834b8f5a0c282d047e5401

Analysis

max time kernel
31s
max time network
48s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25/11/2022, 09:45

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General

Target

a435aeb1bca671da9524d4095fb47ec287ce60ab3d834b8f5a0c282d047e5401.exe
Size

935KB
MD5

8dc81ececca1a16c6bd6130418672162
SHA1

750b3f144e0da9471d6444a18660e3fe995f0d08
SHA256

a435aeb1bca671da9524d4095fb47ec287ce60ab3d834b8f5a0c282d047e5401
SHA512

d7c59c75400aeb769e82bf45021e868517cc9c3a3a246570b86aa121e95366c9e3230af321fa888d02d6be7ff57a3cb9fdc14a6d7403064cc57a1a48595bec31
SSDEEP

12288:o5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4U:oyHv5Z+Wzv7AiBll0OBWi6si9G5

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/1324-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1324-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1324-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1324-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1324-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1324-64-0x0000000000400000-0x00000000004F2000-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	a435aeb1bca671da9524d4095fb47ec287ce60ab3d834b8f5a0c282d047e5401.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a435aeb1bca671da9524d4095fb47ec287ce60ab3d834b8f5a0c282d047e5401.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	a435aeb1bca671da9524d4095fb47ec287ce60ab3d834b8f5a0c282d047e5401.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	a435aeb1bca671da9524d4095fb47ec287ce60ab3d834b8f5a0c282d047e5401.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1632 set thread context of 1324	1632	a435aeb1bca671da9524d4095fb47ec287ce60ab3d834b8f5a0c282d047e5401.exe	29

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1324	a435aeb1bca671da9524d4095fb47ec287ce60ab3d834b8f5a0c282d047e5401.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 1324	1632	a435aeb1bca671da9524d4095fb47ec287ce60ab3d834b8f5a0c282d047e5401.exe	29
PID 1632 wrote to memory of 1324	1632	a435aeb1bca671da9524d4095fb47ec287ce60ab3d834b8f5a0c282d047e5401.exe	29
PID 1632 wrote to memory of 1324	1632	a435aeb1bca671da9524d4095fb47ec287ce60ab3d834b8f5a0c282d047e5401.exe	29
PID 1632 wrote to memory of 1324	1632	a435aeb1bca671da9524d4095fb47ec287ce60ab3d834b8f5a0c282d047e5401.exe	29
PID 1632 wrote to memory of 1324	1632	a435aeb1bca671da9524d4095fb47ec287ce60ab3d834b8f5a0c282d047e5401.exe	29
PID 1632 wrote to memory of 1324	1632	a435aeb1bca671da9524d4095fb47ec287ce60ab3d834b8f5a0c282d047e5401.exe	29
PID 1632 wrote to memory of 1324	1632	a435aeb1bca671da9524d4095fb47ec287ce60ab3d834b8f5a0c282d047e5401.exe	29
PID 1632 wrote to memory of 1324	1632	a435aeb1bca671da9524d4095fb47ec287ce60ab3d834b8f5a0c282d047e5401.exe	29

C:\Users\Admin\AppData\Local\Temp\a435aeb1bca671da9524d4095fb47ec287ce60ab3d834b8f5a0c282d047e5401.exe
"C:\Users\Admin\AppData\Local\Temp\a435aeb1bca671da9524d4095fb47ec287ce60ab3d834b8f5a0c282d047e5401.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Users\Admin\AppData\Local\Temp\a435aeb1bca671da9524d4095fb47ec287ce60ab3d834b8f5a0c282d047e5401.exe
  "C:\Users\Admin\AppData\Local\Temp\a435aeb1bca671da9524d4095fb47ec287ce60ab3d834b8f5a0c282d047e5401.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1324

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/1324-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1324-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1324-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1324-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1324-61-0x0000000076091000-0x0000000076093000-memory.dmp

Filesize
8KB

Download
memory/1324-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1324-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1324-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads