781e772f4245f29f0e74855b77f4b566365dba34429562d5708350961330181f

Analysis

max time kernel
6s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 23:39

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General

Target

204971c097ccca7c8791180dff028c4a.exe
Size

666KB
MD5

204971c097ccca7c8791180dff028c4a
SHA1

5be40757f146a4757a3502279c6f600dd0f7791f
SHA256

781e772f4245f29f0e74855b77f4b566365dba34429562d5708350961330181f
SHA512

383765e69d6ccd8be47e31be3329cd8c9c931c04482858c74f6ee3991fc24254cd5b2645b8575b5f795990c2e64403c2a8d8f3234e429e046f237401ce69c8a5
SSDEEP

12288:DbDqEkMs4q48IAeP0PifTEurPbvdqJplapLWTICNIYPKMTWN4t4OAUw91zRwIMfw:DXbs48LeP0P8E6dclWLi26KGOqMwIMo

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	204971c097ccca7c8791180dff028c4a.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3588-0-0x0000000000400000-0x00000000005C7000-memory.dmp	upx
behavioral2/memory/3588-10-0x0000000000400000-0x00000000005C7000-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	204971c097ccca7c8791180dff028c4a.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	204971c097ccca7c8791180dff028c4a.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5052	3588	WerFault.exe	16
3528	3588	WerFault.exe	16

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
3588	204971c097ccca7c8791180dff028c4a.exe
3588	204971c097ccca7c8791180dff028c4a.exe
3588	204971c097ccca7c8791180dff028c4a.exe
3588	204971c097ccca7c8791180dff028c4a.exe
3588	204971c097ccca7c8791180dff028c4a.exe
3588	204971c097ccca7c8791180dff028c4a.exe
3588	204971c097ccca7c8791180dff028c4a.exe
3588	204971c097ccca7c8791180dff028c4a.exe
3588	204971c097ccca7c8791180dff028c4a.exe

C:\Users\Admin\AppData\Local\Temp\204971c097ccca7c8791180dff028c4a.exe
"C:\Users\Admin\AppData\Local\Temp\204971c097ccca7c8791180dff028c4a.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
PID:3588
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3588 -s 2596
  2⤵
  - Program crash
  PID:5052
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3588 -s 1532
  2⤵
  - Program crash
  PID:3528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3588 -ip 3588
1⤵
PID:3084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3588 -ip 3588
1⤵
PID:3816

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/3588-0-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download
memory/3588-10-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads