99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8

Analysis

max time kernel
186s
max time network
172s
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, 10:11

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General

Target

99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe
Size

935KB
MD5

09a31ee14e66c1c526643261e0198a9c
SHA1

b2e38aa45cb383836fb175fadb9bde0831a2cf91
SHA256

99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8
SHA512

f98ad9b9e988ceca846e1396ba6813fb39a43b973425dc65a734606f7c900eb0f48f45ede1e2f492f0b0843763976393203bb955b07fbd825a1ddbc5db273c72
SSDEEP

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

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/1820-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/1820-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/1820-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/1820-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/1820-138-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/1820-139-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/1820-140-0x0000000000400000-0x00000000004F2000-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	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.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	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4232 set thread context of 1820	4232	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe	84

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1820	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe
1820	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe
1820	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe
1820	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe
1820	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe
1820	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4232 wrote to memory of 1820	4232	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe	84
PID 4232 wrote to memory of 1820	4232	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe	84
PID 4232 wrote to memory of 1820	4232	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe	84
PID 4232 wrote to memory of 1820	4232	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe	84
PID 4232 wrote to memory of 1820	4232	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe	84
PID 4232 wrote to memory of 1820	4232	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe	84
PID 4232 wrote to memory of 1820	4232	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe	84
PID 4232 wrote to memory of 1820	4232	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe	84

C:\Users\Admin\AppData\Local\Temp\99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe
"C:\Users\Admin\AppData\Local\Temp\99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4232
- C:\Users\Admin\AppData\Local\Temp\99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe
  "C:\Users\Admin\AppData\Local\Temp\99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe" Track="0001101000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1820

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/1820-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1820-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1820-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1820-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1820-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1820-139-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1820-140-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads