23808f7dfe64b16f25d30aef4162215eb9fc5a8e6ac8a12668509283f6b57717

Analysis

max time kernel
145s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2023 13:45

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General

Target

22c8d41dae8149be93a02adbafce4835.exe
Size

679KB
MD5

22c8d41dae8149be93a02adbafce4835
SHA1

47b7ddfe6ed1609e2f668333794b422edf059516
SHA256

23808f7dfe64b16f25d30aef4162215eb9fc5a8e6ac8a12668509283f6b57717
SHA512

b1b98f3de4e680fe06a3787814c83d93efb0efe60bb9a375e1228349963af513cbfd59d064228c7f91318c85e4ada7104dcdbac4540bc2fadca644f33d6fe023
SSDEEP

12288:4Q+8YcSdcdp7GqDd7o4YINDz6/AAgYShiuFfIihBtwVabCMUA4+6vlF7h:0iSmrpDd75d68hiuF5H8abCMUN+YlFl

Score

7^/10

discovery upx

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 1 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	22c8d41dae8149be93a02adbafce4835.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2664-0-0x0000000000400000-0x00000000005CC000-memory.dmp	upx
behavioral2/memory/2664-1-0x0000000000400000-0x00000000005CC000-memory.dmp	upx

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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	22c8d41dae8149be93a02adbafce4835.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	22c8d41dae8149be93a02adbafce4835.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1984	2664	WerFault.exe	14
1220	2664	WerFault.exe	14

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2664	22c8d41dae8149be93a02adbafce4835.exe
2664	22c8d41dae8149be93a02adbafce4835.exe
2664	22c8d41dae8149be93a02adbafce4835.exe
2664	22c8d41dae8149be93a02adbafce4835.exe
2664	22c8d41dae8149be93a02adbafce4835.exe
2664	22c8d41dae8149be93a02adbafce4835.exe
2664	22c8d41dae8149be93a02adbafce4835.exe
2664	22c8d41dae8149be93a02adbafce4835.exe
2664	22c8d41dae8149be93a02adbafce4835.exe
2664	22c8d41dae8149be93a02adbafce4835.exe

C:\Users\Admin\AppData\Local\Temp\22c8d41dae8149be93a02adbafce4835.exe
"C:\Users\Admin\AppData\Local\Temp\22c8d41dae8149be93a02adbafce4835.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
PID:2664
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 2276
  2⤵
  - Program crash
  PID:1984
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 2232
  2⤵
  - Program crash
  PID:1220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2664 -ip 2664
1⤵
PID:4240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2664 -ip 2664
1⤵
PID:1612

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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/2664-0-0x0000000000400000-0x00000000005CC000-memory.dmp

Filesize
1.8MB

Download
memory/2664-1-0x0000000000400000-0x00000000005CC000-memory.dmp

Filesize
1.8MB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads