20c5b04b72bd52e2ad88e5e24fc7f02ab905d39dbf44d3e756db78912d5718f7

Analysis

max time kernel
92s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30/09/2024, 05:10

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General

Target

20c5b04b72bd52e2ad88e5e24fc7f02ab905d39dbf44d3e756db78912d5718f7N.exe
Size

666KB
MD5

fb70df1cadaffd5429d9a1fffa6fe510
SHA1

0ff3bf7a769fcac4dcd55996a4eeaf3ba1e684c8
SHA256

20c5b04b72bd52e2ad88e5e24fc7f02ab905d39dbf44d3e756db78912d5718f7
SHA512

70d577000a64342bc96e4e674d4d7452747d5efcdb6644ec4950179588fcbd8f7b4eadcb84a59885ea02c5999a97391c4ecb3ad52eff56911fa40785f509f9e2
SSDEEP

12288:DbDqEkMs4q48IAeP0PifTEurPbvdqJplapLWTICNIYPKMTWN4t4OAUw91zRwIMfA:DXbs48LeP0P8E6dclWLi26KGOqMwIMI

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	20c5b04b72bd52e2ad88e5e24fc7f02ab905d39dbf44d3e756db78912d5718f7N.exe

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	20c5b04b72bd52e2ad88e5e24fc7f02ab905d39dbf44d3e756db78912d5718f7N.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	20c5b04b72bd52e2ad88e5e24fc7f02ab905d39dbf44d3e756db78912d5718f7N.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4004-0-0x0000000000400000-0x00000000005C7000-memory.dmp	upx
behavioral2/memory/4004-2-0x0000000000400000-0x00000000005C7000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1708	4004	WerFault.exe	81
2300	4004	WerFault.exe	81

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	20c5b04b72bd52e2ad88e5e24fc7f02ab905d39dbf44d3e756db78912d5718f7N.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
4004	20c5b04b72bd52e2ad88e5e24fc7f02ab905d39dbf44d3e756db78912d5718f7N.exe
4004	20c5b04b72bd52e2ad88e5e24fc7f02ab905d39dbf44d3e756db78912d5718f7N.exe
4004	20c5b04b72bd52e2ad88e5e24fc7f02ab905d39dbf44d3e756db78912d5718f7N.exe
4004	20c5b04b72bd52e2ad88e5e24fc7f02ab905d39dbf44d3e756db78912d5718f7N.exe
4004	20c5b04b72bd52e2ad88e5e24fc7f02ab905d39dbf44d3e756db78912d5718f7N.exe
4004	20c5b04b72bd52e2ad88e5e24fc7f02ab905d39dbf44d3e756db78912d5718f7N.exe
4004	20c5b04b72bd52e2ad88e5e24fc7f02ab905d39dbf44d3e756db78912d5718f7N.exe
4004	20c5b04b72bd52e2ad88e5e24fc7f02ab905d39dbf44d3e756db78912d5718f7N.exe
4004	20c5b04b72bd52e2ad88e5e24fc7f02ab905d39dbf44d3e756db78912d5718f7N.exe

C:\Users\Admin\AppData\Local\Temp\20c5b04b72bd52e2ad88e5e24fc7f02ab905d39dbf44d3e756db78912d5718f7N.exe
"C:\Users\Admin\AppData\Local\Temp\20c5b04b72bd52e2ad88e5e24fc7f02ab905d39dbf44d3e756db78912d5718f7N.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4004
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4004 -s 2620
  2⤵
  - Program crash
  PID:2300
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4004 -s 2656
  2⤵
  - Program crash
  PID:1708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4004 -ip 4004
1⤵
PID:1012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4004 -ip 4004
1⤵
PID:2328

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4004-0-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download
memory/4004-2-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads