152321028f08bc7536d47d797527c5cb693f9aa904877b1c61a77785f3e5cc50

Analysis

max time kernel
0s
max time network
136s
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 05:42

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General

Target

08db81eddffc3b2050e467a6dd3d3e87.exe
Size

663KB
MD5

08db81eddffc3b2050e467a6dd3d3e87
SHA1

a76199a3e87f744025721547b20202b77e3c7765
SHA256

152321028f08bc7536d47d797527c5cb693f9aa904877b1c61a77785f3e5cc50
SHA512

692d4872d9ae392d95d0b1d85bbb4605c77c9c1f08f6482d4b339d30f1b73b419781b3acdf2e30964059324e6b7e13dcbf35db471a23195848d4289c56e3607f
SSDEEP

12288:bbDqEkMs4q48IAeP0PifTEurPbvdqJplapLWTICNIYPKMTWN4t4OAUw91zRwIMfh:bXbs48LeP0P8E6dclWLi26KGOqMwIMZ

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	08db81eddffc3b2050e467a6dd3d3e87.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1904-0-0x0000000000400000-0x00000000005C7000-memory.dmp	upx
behavioral2/memory/1904-1-0x0000000000400000-0x00000000005C7000-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	08db81eddffc3b2050e467a6dd3d3e87.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	08db81eddffc3b2050e467a6dd3d3e87.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1936	1904	WerFault.exe	14
4688	1904	WerFault.exe	14

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1904	08db81eddffc3b2050e467a6dd3d3e87.exe
1904	08db81eddffc3b2050e467a6dd3d3e87.exe
1904	08db81eddffc3b2050e467a6dd3d3e87.exe
1904	08db81eddffc3b2050e467a6dd3d3e87.exe

C:\Users\Admin\AppData\Local\Temp\08db81eddffc3b2050e467a6dd3d3e87.exe
"C:\Users\Admin\AppData\Local\Temp\08db81eddffc3b2050e467a6dd3d3e87.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
PID:1904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1904 -s 2256
  2⤵
  - Program crash
  PID:1936
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1904 -s 2208
  2⤵
  - Program crash
  PID:4688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1904 -ip 1904
1⤵
PID:2336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1904 -ip 1904
1⤵
PID:2792

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/1904-0-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download
memory/1904-1-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads