1a6e284c20c5d88c7cf414c1e4b758969e620c1f436ec65ea2a0bb1d40afa689

Analysis

max time kernel
157s
max time network
171s
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, 08:42

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General

Target

12b5798b33388c2b837456ed3b222230.exe
Size

666KB
MD5

12b5798b33388c2b837456ed3b222230
SHA1

b92623c3e2a9b553106ebb8e57a94a50d9a57b59
SHA256

1a6e284c20c5d88c7cf414c1e4b758969e620c1f436ec65ea2a0bb1d40afa689
SHA512

a761f63c6cece5d4ade93a6afc9f5eedcdc3a20528a181b5f77a723f9b3f6e56b3cfc96b60373a316c20321a1a5b8474c25021187ce9f594e567c05f2166555f
SSDEEP

12288:rbDqEkMs4q48IAeP0PifTEurPbvdqJplapLWTICNIYPKMTWN4t4OAUw91zRwIMfg:rXbs48LeP0P8E6dclWLi26KGOqMwIMI

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	12b5798b33388c2b837456ed3b222230.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2724-0-0x0000000000400000-0x00000000005C7000-memory.dmp	upx
behavioral2/memory/2724-10-0x0000000000400000-0x00000000005C7000-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	12b5798b33388c2b837456ed3b222230.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	12b5798b33388c2b837456ed3b222230.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5020	2724	WerFault.exe	71
3992	2724	WerFault.exe	71

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
2724	12b5798b33388c2b837456ed3b222230.exe
2724	12b5798b33388c2b837456ed3b222230.exe
2724	12b5798b33388c2b837456ed3b222230.exe
2724	12b5798b33388c2b837456ed3b222230.exe
2724	12b5798b33388c2b837456ed3b222230.exe
2724	12b5798b33388c2b837456ed3b222230.exe
2724	12b5798b33388c2b837456ed3b222230.exe
2724	12b5798b33388c2b837456ed3b222230.exe
2724	12b5798b33388c2b837456ed3b222230.exe

C:\Users\Admin\AppData\Local\Temp\12b5798b33388c2b837456ed3b222230.exe
"C:\Users\Admin\AppData\Local\Temp\12b5798b33388c2b837456ed3b222230.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
PID:2724
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2724 -s 2580
  2⤵
  - Program crash
  PID:5020
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2724 -s 2660
  2⤵
  - Program crash
  PID:3992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2724 -ip 2724
1⤵
PID:1704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2724 -ip 2724
1⤵
PID:2772

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/2724-0-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download
memory/2724-10-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads