ff397278e0b7f54fdb5947587f23b2ed4886117698a9e3416393e69fe730f5f5

Analysis

max time kernel
153s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
14-06-2023 12:18

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General

Target

DumpViewer.exe
Size

2.3MB
MD5

6e260bb49fc8afeab02ada25d6ee5285
SHA1

7baca70f741486be568a1002068e6f879440e72c
SHA256

ff397278e0b7f54fdb5947587f23b2ed4886117698a9e3416393e69fe730f5f5
SHA512

787599d0cc7d04eadba41393d0409596993ab888da2165c6d0b24ca69f540037aebcf50225df492ca377d0d87eee1b337f2c1626ccdc02a54f5f2a44e4116393
SSDEEP

49152:FmcZwF3csTCdcl9XYPzI2PptlAqXAcAlYllwldu6pD:Eons9fqzRfOqQfYll4u

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{55956570-8F51-4139-AF2C-2C4621DC28C7}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{9716B949-5216-4FBE-B415-B915C7DB198D}.catalogItem	svchost.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

DumpViewer.exe

pid process

3444 DumpViewer.exe
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

pid	process
3444	DumpViewer.exe

C:\Users\Admin\AppData\Local\Temp\DumpViewer.exe
"C:\Users\Admin\AppData\Local\Temp\DumpViewer.exe"
1⤵
- Suspicious use of SetWindowsHookEx
PID:3444

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:4684

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3444-133-0x0000000000400000-0x0000000000DA7000-memory.dmp

Filesize
9.7MB

Download
memory/3444-134-0x0000000002C80000-0x0000000002C81000-memory.dmp

Filesize
4KB

Download
memory/3444-136-0x0000000000400000-0x0000000000DA7000-memory.dmp

Filesize
9.7MB

Download
memory/3444-145-0x0000000000400000-0x0000000000DA7000-memory.dmp

Filesize
9.7MB

Download
memory/3444-146-0x0000000000400000-0x0000000000DA7000-memory.dmp

Filesize
9.7MB

Download
memory/3444-147-0x0000000000400000-0x0000000000DA7000-memory.dmp

Filesize
9.7MB

Download
memory/3444-148-0x0000000000400000-0x0000000000DA7000-memory.dmp

Filesize
9.7MB

Download
memory/3444-150-0x0000000000400000-0x0000000000DA7000-memory.dmp

Filesize
9.7MB

Download
memory/3444-152-0x0000000000400000-0x0000000000DA7000-memory.dmp

Filesize
9.7MB

Download
memory/3444-153-0x0000000000400000-0x0000000000DA7000-memory.dmp

Filesize
9.7MB

Download
memory/3444-154-0x0000000000400000-0x0000000000DA7000-memory.dmp

Filesize
9.7MB

Download
memory/3444-155-0x0000000000400000-0x0000000000DA7000-memory.dmp

Filesize
9.7MB

Download
memory/3444-158-0x0000000000400000-0x0000000000DA7000-memory.dmp

Filesize
9.7MB

Download