a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b

Analysis

max time kernel
162s
max time network
192s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 09:45

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General

Target

a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b.exe
Size

935KB
MD5

8bc5f7f854b788dca5ea48aae5c87c29
SHA1

8d30592aefc6af11d66950d81a45cf82af36cf13
SHA256

a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b
SHA512

83fc3f19845b28a63e48b4477a0715c2e9704362b10a63530a3d5dca1110cc2172ce9cc7c3b72d06cd858321c965aa3eca4651a33f0b72598d4181db886d4c63
SSDEEP

12288:I5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x41:IyHv5Z+Wzv7AiBll0OBWi6si9GA

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/4828-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4828-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4828-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4828-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4828-138-0x0000000000400000-0x00000000004F2000-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	a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b.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	a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1420 set thread context of 4828	1420	a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b.exe	83

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4828	a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b.exe
4828	a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b.exe
4828	a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b.exe
4828	a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b.exe
4828	a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b.exe
4828	a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1420 wrote to memory of 4828	1420	a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b.exe	83
PID 1420 wrote to memory of 4828	1420	a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b.exe	83
PID 1420 wrote to memory of 4828	1420	a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b.exe	83
PID 1420 wrote to memory of 4828	1420	a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b.exe	83
PID 1420 wrote to memory of 4828	1420	a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b.exe	83
PID 1420 wrote to memory of 4828	1420	a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b.exe	83
PID 1420 wrote to memory of 4828	1420	a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b.exe	83
PID 1420 wrote to memory of 4828	1420	a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b.exe	83

C:\Users\Admin\AppData\Local\Temp\a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b.exe
"C:\Users\Admin\AppData\Local\Temp\a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1420
- C:\Users\Admin\AppData\Local\Temp\a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b.exe
  "C:\Users\Admin\AppData\Local\Temp\a410939a4e775f108bb8ebbb2922f6d47e4cb30acc7845741b43a5c339d7aa3b.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:4828

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/4828-132-0x0000000000000000-mapping.dmp

Download
memory/4828-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4828-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4828-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4828-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4828-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads