1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473

Analysis

max time kernel
92s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2022, 15:27

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General

Target

1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473.exe
Size

935KB
MD5

85ee4607b358758c8ee7697d23d4d15f
SHA1

7420763643703364ebf3a0dd099c2864060317b7
SHA256

1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473
SHA512

7516be4e15179db1748f4f7fbff6f14a718fa60d02e52b03798e76a439e373db7741edd3dcfb964658ee9a0b5e29d3ad3b7740c931e3ced9e0244e6b8462c428
SSDEEP

12288:I5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4F:IyHv5Z+Wzv7AiBll0OBWi6si9Gk

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3768-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3768-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3768-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3768-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3768-138-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3768-139-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3768-140-0x0000000000400000-0x00000000004F2000-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	1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473.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	1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1400 set thread context of 3768	1400	1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473.exe	81

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3768	1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473.exe
3768	1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473.exe
3768	1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473.exe
3768	1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473.exe
3768	1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473.exe
3768	1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 3768	1400	1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473.exe	81
PID 1400 wrote to memory of 3768	1400	1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473.exe	81
PID 1400 wrote to memory of 3768	1400	1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473.exe	81
PID 1400 wrote to memory of 3768	1400	1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473.exe	81
PID 1400 wrote to memory of 3768	1400	1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473.exe	81
PID 1400 wrote to memory of 3768	1400	1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473.exe	81
PID 1400 wrote to memory of 3768	1400	1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473.exe	81
PID 1400 wrote to memory of 3768	1400	1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473.exe	81

C:\Users\Admin\AppData\Local\Temp\1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473.exe
"C:\Users\Admin\AppData\Local\Temp\1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1400
- C:\Users\Admin\AppData\Local\Temp\1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473.exe
  "C:\Users\Admin\AppData\Local\Temp\1eff2e414be60f655b03d33193c6b02534eaa3b6f48a4ee2b1b01b36b93ff473.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:3768

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/3768-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3768-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3768-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3768-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3768-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3768-139-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3768-140-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads