fa027c15cf301bc64327eff17dc8290e09c8b6ce3cf6f07a604bf9c328334ceb

Analysis

max time kernel
150s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 08:23

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General

Target

$PLUGINSDIR/WSInstaller.exe
Size

108KB
MD5

8966b7976be47a04b0cec6b40cd51282
SHA1

7e1e7b11544e7ed54a6df1e89d8b051b4856b246
SHA256

3b5eaa25c6f8de14ca21af058bda116fd1de1c4cc0daf65f81d9b9896c9f78d8
SHA512

514a72a71ccb5647ceb057a6eaae05d5a86e6ccb62eca1575caae93248d9c41a4a7fb287c68ff0203f023c34f480b49638f903ddfcf0453a7920318540850e9e
SSDEEP

3072:ZrQcVs55GReMIHFJhJ6uwouttbk6MG5vPIP9r:ZsnGAMIlLUuwoStbk6MG5v89r

Score

7^/10

discovery upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	WSInstaller.exe

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral12/memory/4000-0-0x0000000000190000-0x0000000000209000-memory.dmp	upx
behavioral12/memory/4000-1-0x0000000000190000-0x0000000000209000-memory.dmp	upx
behavioral12/memory/4080-3-0x0000000000190000-0x0000000000209000-memory.dmp	upx
behavioral12/memory/4080-4-0x0000000000190000-0x0000000000209000-memory.dmp	upx
behavioral12/memory/4080-5-0x0000000000190000-0x0000000000209000-memory.dmp	upx
behavioral12/memory/4080-6-0x0000000000190000-0x0000000000209000-memory.dmp	upx
behavioral12/memory/4080-7-0x0000000000190000-0x0000000000209000-memory.dmp	upx
behavioral12/memory/4080-8-0x0000000000190000-0x0000000000209000-memory.dmp	upx
behavioral12/memory/4080-10-0x0000000000190000-0x0000000000209000-memory.dmp	upx
behavioral12/memory/4080-11-0x0000000000190000-0x0000000000209000-memory.dmp	upx
behavioral12/memory/4080-12-0x0000000000190000-0x0000000000209000-memory.dmp	upx
behavioral12/memory/4080-13-0x0000000000190000-0x0000000000209000-memory.dmp	upx
behavioral12/memory/4080-14-0x0000000000190000-0x0000000000209000-memory.dmp	upx
behavioral12/memory/4080-15-0x0000000000190000-0x0000000000209000-memory.dmp	upx
behavioral12/memory/4080-16-0x0000000000190000-0x0000000000209000-memory.dmp	upx
behavioral12/memory/4080-17-0x0000000000190000-0x0000000000209000-memory.dmp	upx
behavioral12/memory/4080-18-0x0000000000190000-0x0000000000209000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	WSInstaller.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WSInstaller.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 4080	4000	WSInstaller.exe	84
PID 4000 wrote to memory of 4080	4000	WSInstaller.exe	84
PID 4000 wrote to memory of 4080	4000	WSInstaller.exe	84

C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WSInstaller.exe
"C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WSInstaller.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4000
- C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WSInstaller.exe
  "C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WSInstaller.exe" /A
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4080

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

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/4000-0-0x0000000000190000-0x0000000000209000-memory.dmp

Filesize
484KB

Download
memory/4000-1-0x0000000000190000-0x0000000000209000-memory.dmp

Filesize
484KB

Download
memory/4080-3-0x0000000000190000-0x0000000000209000-memory.dmp

Filesize
484KB

Download
memory/4080-4-0x0000000000190000-0x0000000000209000-memory.dmp

Filesize
484KB

Download
memory/4080-5-0x0000000000190000-0x0000000000209000-memory.dmp

Filesize
484KB

Download
memory/4080-6-0x0000000000190000-0x0000000000209000-memory.dmp

Filesize
484KB

Download
memory/4080-7-0x0000000000190000-0x0000000000209000-memory.dmp

Filesize
484KB

Download
memory/4080-8-0x0000000000190000-0x0000000000209000-memory.dmp

Filesize
484KB

Download
memory/4080-10-0x0000000000190000-0x0000000000209000-memory.dmp

Filesize
484KB

Download
memory/4080-11-0x0000000000190000-0x0000000000209000-memory.dmp

Filesize
484KB

Download
memory/4080-12-0x0000000000190000-0x0000000000209000-memory.dmp

Filesize
484KB

Download
memory/4080-13-0x0000000000190000-0x0000000000209000-memory.dmp

Filesize
484KB

Download
memory/4080-14-0x0000000000190000-0x0000000000209000-memory.dmp

Filesize
484KB

Download
memory/4080-15-0x0000000000190000-0x0000000000209000-memory.dmp

Filesize
484KB

Download
memory/4080-16-0x0000000000190000-0x0000000000209000-memory.dmp

Filesize
484KB

Download
memory/4080-17-0x0000000000190000-0x0000000000209000-memory.dmp

Filesize
484KB

Download
memory/4080-18-0x0000000000190000-0x0000000000209000-memory.dmp

Filesize
484KB

Download