79b0af7ed502e1ef38bd77094ea2ac3fec44c882b188c26ad103ea492de13b49

Analysis

max time kernel
227s
max time network
247s
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, 09:49

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General

Target

152e4dfdf4486b61cff99788a888e27a.exe
Size

666KB
MD5

152e4dfdf4486b61cff99788a888e27a
SHA1

a5320e9081699c08c6ec11e3f8fa971b8389d98c
SHA256

79b0af7ed502e1ef38bd77094ea2ac3fec44c882b188c26ad103ea492de13b49
SHA512

f78658cfcd612a15ca1224e19148edac6f33c1fdd16dcf17c87a56dacecc5830cb70716967930801c2c181e48d549e67cb809ca790db819833c493d97ef2816a
SSDEEP

12288:ibDqEkMs4q48IAeP0PifTEurPbvdqJplapLWTICNIYPKMTWN4t4OAUw91zRwIMfc:iXbs48LeP0P8E6dclWLi26KGOqMwIMk

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	152e4dfdf4486b61cff99788a888e27a.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2168-0-0x0000000000400000-0x00000000005C7000-memory.dmp	upx
behavioral2/memory/2168-1-0x0000000000400000-0x00000000005C7000-memory.dmp	upx
behavioral2/memory/2168-14-0x0000000000400000-0x00000000005C7000-memory.dmp	upx
behavioral2/memory/2168-15-0x0000000000400000-0x00000000005C7000-memory.dmp	upx
behavioral2/memory/2168-16-0x0000000000400000-0x00000000005C7000-memory.dmp	upx
behavioral2/memory/2168-18-0x0000000000400000-0x00000000005C7000-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	152e4dfdf4486b61cff99788a888e27a.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	152e4dfdf4486b61cff99788a888e27a.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4088	2168	WerFault.exe	88
4768	2168	WerFault.exe	88

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
2168	152e4dfdf4486b61cff99788a888e27a.exe
2168	152e4dfdf4486b61cff99788a888e27a.exe
2168	152e4dfdf4486b61cff99788a888e27a.exe
2168	152e4dfdf4486b61cff99788a888e27a.exe
2168	152e4dfdf4486b61cff99788a888e27a.exe
2168	152e4dfdf4486b61cff99788a888e27a.exe
2168	152e4dfdf4486b61cff99788a888e27a.exe
2168	152e4dfdf4486b61cff99788a888e27a.exe
2168	152e4dfdf4486b61cff99788a888e27a.exe

C:\Users\Admin\AppData\Local\Temp\152e4dfdf4486b61cff99788a888e27a.exe
"C:\Users\Admin\AppData\Local\Temp\152e4dfdf4486b61cff99788a888e27a.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
PID:2168
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 2156
  2⤵
  - Program crash
  PID:4088
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 2496
  2⤵
  - Program crash
  PID:4768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2168 -ip 2168
1⤵
PID:1516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2168 -ip 2168
1⤵
PID:2736

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/2168-0-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download
memory/2168-1-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download
memory/2168-14-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download
memory/2168-15-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download
memory/2168-16-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download
memory/2168-18-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads