308f1e4f69b4b78371f73e3cd88f2b8db7cceb30b7fbdfd9381bf0a6111805f1

Analysis

max time kernel
95s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28/09/2024, 11:57

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General

Target

steamcommunityup.exe
Size

885KB
MD5

134e67601937b96d67555408ef47111a
SHA1

0be26d22dc51b03b6f8e270dfddae576c71d815a
SHA256

308f1e4f69b4b78371f73e3cd88f2b8db7cceb30b7fbdfd9381bf0a6111805f1
SHA512

7f019a187c3408abc73bb863fdc426ab1aa5616c5bf45f59f6861f1b6fced81b24fa6461ec7358dc5be98e47efe49576043dfc657e0a74700d71b4a685adec53
SSDEEP

24576:kUWjEmPLnItrxT7jQBODcKwmFPQTdDAEGDdIqGg:kmmPLnIhxvsBODcKBFPQTRAEEIqj

Score

6^/10

discovery upx

Malware Config

Signatures

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\a:	steamcommunityup.exe
File opened (read-only)	\??\k:	steamcommunityup.exe
File opened (read-only)	\??\m:	steamcommunityup.exe
File opened (read-only)	\??\y:	steamcommunityup.exe
File opened (read-only)	\??\z:	steamcommunityup.exe
File opened (read-only)	\??\p:	steamcommunityup.exe
File opened (read-only)	\??\q:	steamcommunityup.exe
File opened (read-only)	\??\v:	steamcommunityup.exe
File opened (read-only)	\??\w:	steamcommunityup.exe
File opened (read-only)	\??\j:	steamcommunityup.exe
File opened (read-only)	\??\l:	steamcommunityup.exe
File opened (read-only)	\??\n:	steamcommunityup.exe
File opened (read-only)	\??\r:	steamcommunityup.exe
File opened (read-only)	\??\b:	steamcommunityup.exe
File opened (read-only)	\??\e:	steamcommunityup.exe
File opened (read-only)	\??\h:	steamcommunityup.exe
File opened (read-only)	\??\i:	steamcommunityup.exe
File opened (read-only)	\??\s:	steamcommunityup.exe
File opened (read-only)	\??\t:	steamcommunityup.exe
File opened (read-only)	\??\u:	steamcommunityup.exe
File opened (read-only)	\??\x:	steamcommunityup.exe
File opened (read-only)	\??\g:	steamcommunityup.exe
File opened (read-only)	\??\o:	steamcommunityup.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/3692-1-0x00000000007B0000-0x000000000090A000-memory.dmp	autoit_exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3692-0-0x00000000007B0000-0x000000000090A000-memory.dmp	upx
behavioral2/memory/3692-1-0x00000000007B0000-0x000000000090A000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	steamcommunityup.exe

C:\Users\Admin\AppData\Local\Temp\steamcommunityup.exe
"C:\Users\Admin\AppData\Local\Temp\steamcommunityup.exe"
1⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
PID:3692

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3692-0-0x00000000007B0000-0x000000000090A000-memory.dmp

Filesize
1.4MB

Download
memory/3692-1-0x00000000007B0000-0x000000000090A000-memory.dmp

Filesize
1.4MB

Download