b76c29329ab1e6ad675dd8fdf34133da6d5d1da410b654fef9a7ca4c780f4e0a

Analysis

max time kernel
132s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20230831-en
resource tags

arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
submitted
13-09-2023 14:04

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General

Target

remcmdstub.exe
Size

53KB
MD5

fe8978aeac17836d0b99c3edb88de357
SHA1

d7320274619baeb175855406d1027d02f845fb6c
SHA256

577927563589c3c9d05c510bce5f3cd9a55ea1de155e50e87c066bbff290a6fe
SHA512

68b6c647b40f071a602dcecd580232aca8434c7338837debda9d1ec37776415f680ac184ffb1497c93caa7353276d41d5df77538e004c1ffd168217df2cb5262
SSDEEP

768:vehWO78043LHCTPQuw/T3cgCsMl2PLLW/bC:vAb43LuPQFTSl2PLaTC

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{42399F4A-DE90-44AC-BE2A-BC52CC63BF76}.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
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

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

C:\Users\Admin\AppData\Local\Temp\remcmdstub.exe
"C:\Users\Admin\AppData\Local\Temp\remcmdstub.exe"
1⤵
PID:1108

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:780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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