046af6bff43e72f1c46e984112eebb829c39109b0ceed6911e18b35f849ae607

Analysis

max time kernel
151s
max time network
154s
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 11:06

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General

Target

198c9cf0247c03b804ba224a22ceb07e.exe
Size

679KB
MD5

198c9cf0247c03b804ba224a22ceb07e
SHA1

66f38099a66dca6d542d45e9d93c0e6bae3f464a
SHA256

046af6bff43e72f1c46e984112eebb829c39109b0ceed6911e18b35f849ae607
SHA512

9711efa3dfdaa5a5f8d2a528a97d2ff0cdc0bd558c24c267bbe125997bc9cf5d895064bb4a03c326cfec58b9564c84574ea81021fef1c85f15126d6d1790b953
SSDEEP

12288:SRO2Q8Iu71MZvr2ymO6l4S+obhFIVgFmO/oG3G+zQmS+Lrv7KXpQB9EzDk8BAZ01:Im88Kjh4SnbMKFmO/osPTS8v7KXpQBqd

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	198c9cf0247c03b804ba224a22ceb07e.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1888-0-0x0000000000400000-0x00000000005CC000-memory.dmp	upx
behavioral2/memory/1888-10-0x0000000000400000-0x00000000005CC000-memory.dmp	upx
behavioral2/memory/1888-11-0x0000000000400000-0x00000000005CC000-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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	198c9cf0247c03b804ba224a22ceb07e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	198c9cf0247c03b804ba224a22ceb07e.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5076	1888	WerFault.exe	88
944	1888	WerFault.exe	88

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1888	198c9cf0247c03b804ba224a22ceb07e.exe
1888	198c9cf0247c03b804ba224a22ceb07e.exe
1888	198c9cf0247c03b804ba224a22ceb07e.exe
1888	198c9cf0247c03b804ba224a22ceb07e.exe
1888	198c9cf0247c03b804ba224a22ceb07e.exe
1888	198c9cf0247c03b804ba224a22ceb07e.exe
1888	198c9cf0247c03b804ba224a22ceb07e.exe
1888	198c9cf0247c03b804ba224a22ceb07e.exe
1888	198c9cf0247c03b804ba224a22ceb07e.exe
1888	198c9cf0247c03b804ba224a22ceb07e.exe

C:\Users\Admin\AppData\Local\Temp\198c9cf0247c03b804ba224a22ceb07e.exe
"C:\Users\Admin\AppData\Local\Temp\198c9cf0247c03b804ba224a22ceb07e.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
PID:1888
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1888 -s 2676
  2⤵
  - Program crash
  PID:5076
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1888 -s 2712
  2⤵
  - Program crash
  PID:944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1888 -ip 1888
1⤵
PID:3704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1888 -ip 1888
1⤵
PID:4600

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/1888-0-0x0000000000400000-0x00000000005CC000-memory.dmp

Filesize
1.8MB

Download
memory/1888-10-0x0000000000400000-0x00000000005CC000-memory.dmp

Filesize
1.8MB

Download
memory/1888-11-0x0000000000400000-0x00000000005CC000-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