a3d79fa32e40a53a95624c95269b1292b7d29045f0f54a1b163e638fd67a7f44

Analysis

max time kernel
41s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 09:46

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General

Target

a3d79fa32e40a53a95624c95269b1292b7d29045f0f54a1b163e638fd67a7f44.exe
Size

935KB
MD5

3513fcfd40d9d6123356bc221a0f5f1d
SHA1

5d3f608c6b020b3747b46c2033c48aa70bc11561
SHA256

a3d79fa32e40a53a95624c95269b1292b7d29045f0f54a1b163e638fd67a7f44
SHA512

af1df05c0d4a28c5a14df33f20dca798c32d3b26b2d013ebed5d757369025a7f8e5cfef3fb159e6e41decdb23c9ff1cc251c6a6b269dc519fa65bf1b045358d0
SSDEEP

12288:o5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4:oyHv5Z+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/2024-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/2024-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/2024-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/2024-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/2024-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/2024-64-0x0000000000400000-0x00000000004F2000-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	a3d79fa32e40a53a95624c95269b1292b7d29045f0f54a1b163e638fd67a7f44.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a3d79fa32e40a53a95624c95269b1292b7d29045f0f54a1b163e638fd67a7f44.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	a3d79fa32e40a53a95624c95269b1292b7d29045f0f54a1b163e638fd67a7f44.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	a3d79fa32e40a53a95624c95269b1292b7d29045f0f54a1b163e638fd67a7f44.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1672 set thread context of 2024	1672	a3d79fa32e40a53a95624c95269b1292b7d29045f0f54a1b163e638fd67a7f44.exe	29

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2024	a3d79fa32e40a53a95624c95269b1292b7d29045f0f54a1b163e638fd67a7f44.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 2024	1672	a3d79fa32e40a53a95624c95269b1292b7d29045f0f54a1b163e638fd67a7f44.exe	29
PID 1672 wrote to memory of 2024	1672	a3d79fa32e40a53a95624c95269b1292b7d29045f0f54a1b163e638fd67a7f44.exe	29
PID 1672 wrote to memory of 2024	1672	a3d79fa32e40a53a95624c95269b1292b7d29045f0f54a1b163e638fd67a7f44.exe	29
PID 1672 wrote to memory of 2024	1672	a3d79fa32e40a53a95624c95269b1292b7d29045f0f54a1b163e638fd67a7f44.exe	29
PID 1672 wrote to memory of 2024	1672	a3d79fa32e40a53a95624c95269b1292b7d29045f0f54a1b163e638fd67a7f44.exe	29
PID 1672 wrote to memory of 2024	1672	a3d79fa32e40a53a95624c95269b1292b7d29045f0f54a1b163e638fd67a7f44.exe	29
PID 1672 wrote to memory of 2024	1672	a3d79fa32e40a53a95624c95269b1292b7d29045f0f54a1b163e638fd67a7f44.exe	29
PID 1672 wrote to memory of 2024	1672	a3d79fa32e40a53a95624c95269b1292b7d29045f0f54a1b163e638fd67a7f44.exe	29

C:\Users\Admin\AppData\Local\Temp\a3d79fa32e40a53a95624c95269b1292b7d29045f0f54a1b163e638fd67a7f44.exe
"C:\Users\Admin\AppData\Local\Temp\a3d79fa32e40a53a95624c95269b1292b7d29045f0f54a1b163e638fd67a7f44.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Users\Admin\AppData\Local\Temp\a3d79fa32e40a53a95624c95269b1292b7d29045f0f54a1b163e638fd67a7f44.exe
  "C:\Users\Admin\AppData\Local\Temp\a3d79fa32e40a53a95624c95269b1292b7d29045f0f54a1b163e638fd67a7f44.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2024

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/2024-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2024-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2024-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2024-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2024-61-0x00000000753C1000-0x00000000753C3000-memory.dmp

Filesize
8KB

Download
memory/2024-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2024-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2024-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads