22d9ecf0754f227c21e765eefc1f72277980557d0878edc540f81033ecc48ce0

Analysis

max time kernel
0s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 03:37

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General

Target

0381cb2010efcb4c79a594c34547323e.exe
Size

678KB
MD5

0381cb2010efcb4c79a594c34547323e
SHA1

283c4f98188dcdac7bc6b484ef1d6b210bf1c769
SHA256

22d9ecf0754f227c21e765eefc1f72277980557d0878edc540f81033ecc48ce0
SHA512

e571e3e65bc5e0e03934ea58ed1a329e52b4355e070a78adf7baac35312fd96c71285f6ea38657ae9915ec89eb6a51a33ca14553f1cefa10cdac056e58702c53
SSDEEP

12288:jwEZxZLDznQwo5unUeArTE5yjgcy7LxOuH9/7HPuXRZ8dzfPtfdeEvnrvdXZPTh/:kEZxZLHnQwOunXLpvwuVbKz81VfTFXZV

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	0381cb2010efcb4c79a594c34547323e.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4716-0-0x0000000000400000-0x00000000005CC000-memory.dmp	upx
behavioral2/memory/4716-1-0x0000000000400000-0x00000000005CC000-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	0381cb2010efcb4c79a594c34547323e.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	0381cb2010efcb4c79a594c34547323e.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3472	4716	WerFault.exe	16
920	4716	WerFault.exe	16

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4716	0381cb2010efcb4c79a594c34547323e.exe
4716	0381cb2010efcb4c79a594c34547323e.exe
4716	0381cb2010efcb4c79a594c34547323e.exe
4716	0381cb2010efcb4c79a594c34547323e.exe

C:\Users\Admin\AppData\Local\Temp\0381cb2010efcb4c79a594c34547323e.exe
"C:\Users\Admin\AppData\Local\Temp\0381cb2010efcb4c79a594c34547323e.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
PID:4716
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4716 -s 2656
  2⤵
  - Program crash
  PID:3472
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4716 -s 2632
  2⤵
  - Program crash
  PID:920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4716 -ip 4716
1⤵
PID:3208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4716 -ip 4716
1⤵
PID:4880

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/4716-0-0x0000000000400000-0x00000000005CC000-memory.dmp

Filesize
1.8MB

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memory/4716-1-0x0000000000400000-0x00000000005CC000-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