1061f4a3732b91f48d58e3f3b00c171ae73dd403c77a3619422b6db0e3ab8f51

Analysis

max time kernel
0s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 04:47

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General

Target

28c50375e7baf609104789ca100038b0.exe
Size

680KB
MD5

28c50375e7baf609104789ca100038b0
SHA1

4e7a9610040bd2419140c4a7896546dfb6a745a1
SHA256

1061f4a3732b91f48d58e3f3b00c171ae73dd403c77a3619422b6db0e3ab8f51
SHA512

7cb5eac0eb9687c0b2250ed77c4a46f13660ca163a7dd4dcc0a1510662c657cd726e8127c0badf01c3d1a51fe383e66b7b83430b6b7d90242801210ee061897b
SSDEEP

12288:8RO2Q8Iu71MZvr2ymO6l4S+obhFIVgFmO/oG3G+zQmS+Lrv7KXpQB9EzDk8BAZ0r:2m88Kjh4SnbMKFmO/osPTS8v7KXpQBqT

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	28c50375e7baf609104789ca100038b0.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4316-0-0x0000000000400000-0x00000000005CC000-memory.dmp	upx
behavioral2/memory/4316-1-0x0000000000400000-0x00000000005CC000-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	28c50375e7baf609104789ca100038b0.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	28c50375e7baf609104789ca100038b0.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3484	4316	WerFault.exe	16
1132	4316	WerFault.exe	16

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4316	28c50375e7baf609104789ca100038b0.exe
4316	28c50375e7baf609104789ca100038b0.exe
4316	28c50375e7baf609104789ca100038b0.exe

C:\Users\Admin\AppData\Local\Temp\28c50375e7baf609104789ca100038b0.exe
"C:\Users\Admin\AppData\Local\Temp\28c50375e7baf609104789ca100038b0.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
PID:4316
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4316 -s 2244
  2⤵
  - Program crash
  PID:3484
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4316 -s 2208
  2⤵
  - Program crash
  PID:1132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4316 -ip 4316
1⤵
PID:1180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4316 -ip 4316
1⤵
PID:1884

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/4316-0-0x0000000000400000-0x00000000005CC000-memory.dmp

Filesize
1.8MB

Download
memory/4316-1-0x0000000000400000-0x00000000005CC000-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