145d7a428b8fb7d2cbd74b6ee617c2e86bae2f31567cdd2760979291346860c6

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 23:17

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General

Target

c71976af2b0861a348bfd3418aa724ff.exe
Size

663KB
MD5

c71976af2b0861a348bfd3418aa724ff
SHA1

6d8fd815565bb4d56afb835194fcc69d45ae19ad
SHA256

145d7a428b8fb7d2cbd74b6ee617c2e86bae2f31567cdd2760979291346860c6
SHA512

c6af1220be33c872656cbb7dd80a8f832d53a97646cb845c9130f6997ec931b6f0209a68aa9ef3a617a829a94d16aec9e50210a920013979c63a1c78d0aba8af
SSDEEP

12288:SbDqEkMs4q48IAeP0PifTEurPbvdqJplapLWTICNIYPKMTWN4t4OAUw91zRwIMfq:SXbs48LeP0P8E6dclWLi26KGOqMwIMy

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	c71976af2b0861a348bfd3418aa724ff.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2236-0-0x0000000000400000-0x00000000005C7000-memory.dmp	upx
behavioral2/memory/2236-1-0x0000000000400000-0x00000000005C7000-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	c71976af2b0861a348bfd3418aa724ff.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	c71976af2b0861a348bfd3418aa724ff.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3708	2236	WerFault.exe	88
4952	2236	WerFault.exe	88

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
2236	c71976af2b0861a348bfd3418aa724ff.exe
2236	c71976af2b0861a348bfd3418aa724ff.exe
2236	c71976af2b0861a348bfd3418aa724ff.exe
2236	c71976af2b0861a348bfd3418aa724ff.exe
2236	c71976af2b0861a348bfd3418aa724ff.exe
2236	c71976af2b0861a348bfd3418aa724ff.exe
2236	c71976af2b0861a348bfd3418aa724ff.exe
2236	c71976af2b0861a348bfd3418aa724ff.exe
2236	c71976af2b0861a348bfd3418aa724ff.exe

C:\Users\Admin\AppData\Local\Temp\c71976af2b0861a348bfd3418aa724ff.exe
"C:\Users\Admin\AppData\Local\Temp\c71976af2b0861a348bfd3418aa724ff.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
PID:2236
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 2668
  2⤵
  - Program crash
  PID:3708
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 2364
  2⤵
  - Program crash
  PID:4952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2236 -ip 2236
1⤵
PID:3364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2236 -ip 2236
1⤵
PID:2720

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/2236-0-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

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memory/2236-1-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads