73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46

Analysis

max time kernel
90s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2022, 11:49

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General

Target

73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46.exe
Size

935KB
MD5

d700e0f17486bf76dfcd70ecb7eb147a
SHA1

c94930baee3eec58e3e777056a601adb2f97d471
SHA256

73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46
SHA512

d4996b910beec90808aba6c8e253abf2e1d8aaf9ef7fa937377ead5d6ca51d697cc99ce3a435bafd493011983f234f0a9604cf316f906ab791da18b45b2e50b7
SSDEEP

12288:Y5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4:YyHv5Z+Wzv7AiBll0OBWi6si9G

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1644-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/1644-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/1644-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/1644-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/1644-138-0x0000000000400000-0x00000000004F2000-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	73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46.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	73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4848 set thread context of 1644	4848	73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46.exe	80

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1644	73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46.exe
1644	73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46.exe
1644	73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46.exe
1644	73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46.exe
1644	73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46.exe
1644	73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4848 wrote to memory of 1644	4848	73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46.exe	80
PID 4848 wrote to memory of 1644	4848	73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46.exe	80
PID 4848 wrote to memory of 1644	4848	73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46.exe	80
PID 4848 wrote to memory of 1644	4848	73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46.exe	80
PID 4848 wrote to memory of 1644	4848	73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46.exe	80
PID 4848 wrote to memory of 1644	4848	73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46.exe	80
PID 4848 wrote to memory of 1644	4848	73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46.exe	80
PID 4848 wrote to memory of 1644	4848	73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46.exe	80

C:\Users\Admin\AppData\Local\Temp\73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46.exe
"C:\Users\Admin\AppData\Local\Temp\73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4848
- C:\Users\Admin\AppData\Local\Temp\73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46.exe
  "C:\Users\Admin\AppData\Local\Temp\73f35a7bb219e64541305fa27d441f31bd5d9c9fe3cad7d6c5283381fb8bcb46.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/1644-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1644-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1644-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1644-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1644-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads