220c5f3cf4bd0cfa144f7a6be4f8e13045242eeefa4acb331bdd87617ca7c117

Analysis

max time kernel
0s
max time network
132s
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, 13:41

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General

Target

228b5791a54efc9e7992e1eecde07263.exe
Size

666KB
MD5

228b5791a54efc9e7992e1eecde07263
SHA1

2b0f30d70e9c4e9e335fceb1afeb0d287f1b6b1d
SHA256

220c5f3cf4bd0cfa144f7a6be4f8e13045242eeefa4acb331bdd87617ca7c117
SHA512

415219ef352765d0e882170e878775041e285a825616a78ba2acd7d83bacca8313cd9048af59ee197f36fd12e2a30826b7a5fb35d47350a3ceb917c537a579ac
SSDEEP

12288:dbDqEkMs4q48IAeP0PifTEurPbvdqJplapLWTICNIYPKMTWN4t4OAUw91zRwIMfv:dXbs48LeP0P8E6dclWLi26KGOqMwIMn

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	228b5791a54efc9e7992e1eecde07263.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4272-0-0x0000000000400000-0x00000000005C7000-memory.dmp	upx
behavioral2/memory/4272-12-0x0000000000400000-0x00000000005C7000-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	228b5791a54efc9e7992e1eecde07263.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	228b5791a54efc9e7992e1eecde07263.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4628	4272	WerFault.exe	15
4668	4272	WerFault.exe	15

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4272	228b5791a54efc9e7992e1eecde07263.exe
4272	228b5791a54efc9e7992e1eecde07263.exe
4272	228b5791a54efc9e7992e1eecde07263.exe
4272	228b5791a54efc9e7992e1eecde07263.exe

C:\Users\Admin\AppData\Local\Temp\228b5791a54efc9e7992e1eecde07263.exe
"C:\Users\Admin\AppData\Local\Temp\228b5791a54efc9e7992e1eecde07263.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
PID:4272
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4272 -s 2512
  2⤵
  - Program crash
  PID:4628
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4272 -s 2560
  2⤵
  - Program crash
  PID:4668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4272 -ip 4272
1⤵
PID:684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4272 -ip 4272
1⤵
PID:4184

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

Replay Monitor

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Downloads

memory/4272-0-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download
memory/4272-12-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads