13ec75429bdf637baf11e84b008a6047ae68eb291340c5b3dc7a6705c5e3e397

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 18:44

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General

Target

00d6cb75c7d9a3ff5f8e77f52d9b353e.exe
Size

688KB
MD5

00d6cb75c7d9a3ff5f8e77f52d9b353e
SHA1

d15ff3da22b5ef9479c8a27952e2a66d8fd33ff1
SHA256

13ec75429bdf637baf11e84b008a6047ae68eb291340c5b3dc7a6705c5e3e397
SHA512

c7d5ef670b739f91886004b2ea54ace7f068b9dd34c353a2271059e3e7c8abb441f5143fc111b5a30ea27c512340328bd9e2560b521bd921956f778ca852beca
SSDEEP

12288:8ymBHLOuFsmR+eWAPPxjrZT1I+82PCND1AW7kMUGsXv3JWZ+y:8POuFsm/PPxnILxNDaW7U1W

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	00d6cb75c7d9a3ff5f8e77f52d9b353e.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/744-0-0x00000000004B0000-0x00000000006A7000-memory.dmp	upx
behavioral2/memory/744-2-0x00000000004B0000-0x00000000006A7000-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	00d6cb75c7d9a3ff5f8e77f52d9b353e.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	00d6cb75c7d9a3ff5f8e77f52d9b353e.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3952	744	WerFault.exe	88

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
744	00d6cb75c7d9a3ff5f8e77f52d9b353e.exe
744	00d6cb75c7d9a3ff5f8e77f52d9b353e.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
744	00d6cb75c7d9a3ff5f8e77f52d9b353e.exe
744	00d6cb75c7d9a3ff5f8e77f52d9b353e.exe
744	00d6cb75c7d9a3ff5f8e77f52d9b353e.exe
744	00d6cb75c7d9a3ff5f8e77f52d9b353e.exe
744	00d6cb75c7d9a3ff5f8e77f52d9b353e.exe
744	00d6cb75c7d9a3ff5f8e77f52d9b353e.exe
744	00d6cb75c7d9a3ff5f8e77f52d9b353e.exe
744	00d6cb75c7d9a3ff5f8e77f52d9b353e.exe
744	00d6cb75c7d9a3ff5f8e77f52d9b353e.exe

C:\Users\Admin\AppData\Local\Temp\00d6cb75c7d9a3ff5f8e77f52d9b353e.exe
"C:\Users\Admin\AppData\Local\Temp\00d6cb75c7d9a3ff5f8e77f52d9b353e.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:744
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 744 -s 2796
  2⤵
  - Program crash
  PID:3952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 744 -ip 744
1⤵
PID:1540

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/744-0-0x00000000004B0000-0x00000000006A7000-memory.dmp

Filesize
2.0MB

Download
memory/744-2-0x00000000004B0000-0x00000000006A7000-memory.dmp

Filesize
2.0MB

Download