99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8

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
behavioral1/memory/856-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/856-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/856-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/856-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/856-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/856-64-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/856-65-0x0000000000400000-0x00000000004F2000-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 1932 set thread context of 856	1932	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe	29

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
856	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 856	1932	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe	29
PID 1932 wrote to memory of 856	1932	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe	29
PID 1932 wrote to memory of 856	1932	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe	29
PID 1932 wrote to memory of 856	1932	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe	29
PID 1932 wrote to memory of 856	1932	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe	29
PID 1932 wrote to memory of 856	1932	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe	29
PID 1932 wrote to memory of 856	1932	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe	29
PID 1932 wrote to memory of 856	1932	99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe	29

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:1932
- C:\Users\Admin\AppData\Local\Temp\99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe
  "C:\Users\Admin\AppData\Local\Temp\99f6430e9b54eb4d2723b4c6cfd3df51f9a1c3b9aea0a900a58c11163edf39d8.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:856

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/856-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/856-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/856-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/856-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/856-61-0x0000000076181000-0x0000000076183000-memory.dmp

Filesize
8KB

Download
memory/856-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/856-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/856-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/856-65-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads