9711e0f1f4b1ea97ecf7ddfe05b27c8f712533c2141f6e2b064d636076e76652

Analysis

max time kernel
98s
max time network
145s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
06-11-2024 02:10

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General

Target

240827 YONG SHUN - GMDSS.exe
Size

721KB
MD5

f0e3355c1070c64e99331172426e4378
SHA1

ce7ed5a4e13477785be53c78f60ddc31876d50fc
SHA256

72c26861a3c6ed2f44684225894a20aef9d9c831322b5f24313e0c9ddfbf3ccb
SHA512

89e51b2db7d90dd25aa3dd0cc248e0b3b44d75305e0ba5829dfc9cbb9d74cce2ac91073de326fdd67992524632a9f1f7218187c5e255177d1c1f08e125339287
SSDEEP

12288:UfAbXkhMOoltiJX02vQp9XbzhNaSiVMTW9GvWbzfl/VP8MlGDDut6UrYm:pkh5oDiJNU9NwMTQ6U4JDut6UrYm

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
4480	powershell.exe

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-1-5-21-641261377-2215826147-608237349-1000\Control Panel\International\Geo\Nation	240827 YONG SHUN - GMDSS.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1040 set thread context of 2916	1040	240827 YONG SHUN - GMDSS.exe	91

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	240827 YONG SHUN - GMDSS.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4480	powershell.exe
4480	powershell.exe
2916	240827 YONG SHUN - GMDSS.exe
2916	240827 YONG SHUN - GMDSS.exe
2916	240827 YONG SHUN - GMDSS.exe
2916	240827 YONG SHUN - GMDSS.exe
2916	240827 YONG SHUN - GMDSS.exe
2916	240827 YONG SHUN - GMDSS.exe
2916	240827 YONG SHUN - GMDSS.exe
2916	240827 YONG SHUN - GMDSS.exe
2916	240827 YONG SHUN - GMDSS.exe
2916	240827 YONG SHUN - GMDSS.exe
2916	240827 YONG SHUN - GMDSS.exe
2916	240827 YONG SHUN - GMDSS.exe
2916	240827 YONG SHUN - GMDSS.exe
2916	240827 YONG SHUN - GMDSS.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4480	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 4480	1040	240827 YONG SHUN - GMDSS.exe	89
PID 1040 wrote to memory of 4480	1040	240827 YONG SHUN - GMDSS.exe	89
PID 1040 wrote to memory of 4480	1040	240827 YONG SHUN - GMDSS.exe	89
PID 1040 wrote to memory of 2916	1040	240827 YONG SHUN - GMDSS.exe	91
PID 1040 wrote to memory of 2916	1040	240827 YONG SHUN - GMDSS.exe	91
PID 1040 wrote to memory of 2916	1040	240827 YONG SHUN - GMDSS.exe	91
PID 1040 wrote to memory of 2916	1040	240827 YONG SHUN - GMDSS.exe	91
PID 1040 wrote to memory of 2916	1040	240827 YONG SHUN - GMDSS.exe	91
PID 1040 wrote to memory of 2916	1040	240827 YONG SHUN - GMDSS.exe	91

C:\Users\Admin\AppData\Local\Temp\240827 YONG SHUN - GMDSS.exe
"C:\Users\Admin\AppData\Local\Temp\240827 YONG SHUN - GMDSS.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1040
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\240827 YONG SHUN - GMDSS.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4480
- C:\Users\Admin\AppData\Local\Temp\240827 YONG SHUN - GMDSS.exe
  "C:\Users\Admin\AppData\Local\Temp\240827 YONG SHUN - GMDSS.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3wqjvvf1.dsh.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1040-8-0x0000000005820000-0x000000000583C000-memory.dmp

Filesize
112KB

Download
memory/1040-3-0x0000000005350000-0x00000000053E2000-memory.dmp

Filesize
584KB

Download
memory/1040-10-0x00000000752C0000-0x0000000075A71000-memory.dmp

Filesize
7.7MB

Download
memory/1040-11-0x0000000007B50000-0x0000000007BDE000-memory.dmp

Filesize
568KB

Download
memory/1040-5-0x00000000752C0000-0x0000000075A71000-memory.dmp

Filesize
7.7MB

Download
memory/1040-6-0x0000000005310000-0x000000000531A000-memory.dmp

Filesize
40KB

Download
memory/1040-7-0x0000000005850000-0x00000000058EC000-memory.dmp

Filesize
624KB

Download
memory/1040-0-0x00000000752CE000-0x00000000752CF000-memory.dmp

Filesize
4KB

Download
memory/1040-1-0x0000000000830000-0x00000000008EA000-memory.dmp

Filesize
744KB

Download
memory/1040-2-0x0000000005900000-0x0000000005EA6000-memory.dmp

Filesize
5.6MB

Download
memory/1040-4-0x00000000053F0000-0x0000000005747000-memory.dmp

Filesize
3.3MB

Download
memory/1040-9-0x00000000752CE000-0x00000000752CF000-memory.dmp

Filesize
4KB

Download
memory/1040-15-0x00000000752C0000-0x0000000075A71000-memory.dmp

Filesize
7.7MB

Download
memory/2916-14-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2916-59-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2916-58-0x00000000011E0000-0x000000000152C000-memory.dmp

Filesize
3.3MB

Download
memory/2916-57-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2916-12-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/4480-21-0x0000000004D80000-0x0000000004DA2000-memory.dmp

Filesize
136KB

Download
memory/4480-47-0x0000000075340000-0x0000000075AF1000-memory.dmp

Filesize
7.7MB

Download
memory/4480-23-0x00000000050C0000-0x0000000005126000-memory.dmp

Filesize
408KB

Download
memory/4480-22-0x0000000004F20000-0x0000000004F86000-memory.dmp

Filesize
408KB

Download
memory/4480-20-0x00000000051C0000-0x000000000588A000-memory.dmp

Filesize
6.8MB

Download
memory/4480-33-0x0000000005990000-0x0000000005CE7000-memory.dmp

Filesize
3.3MB

Download
memory/4480-34-0x0000000005DC0000-0x0000000005DDE000-memory.dmp

Filesize
120KB

Download
memory/4480-35-0x0000000005E00000-0x0000000005E4C000-memory.dmp

Filesize
304KB

Download
memory/4480-36-0x0000000006D90000-0x0000000006DC2000-memory.dmp

Filesize
200KB

Download
memory/4480-37-0x0000000071520000-0x000000007156C000-memory.dmp

Filesize
304KB

Download
memory/4480-48-0x0000000006FD0000-0x0000000006FEE000-memory.dmp

Filesize
120KB

Download
memory/4480-19-0x0000000075340000-0x0000000075AF1000-memory.dmp

Filesize
7.7MB

Download
memory/4480-49-0x0000000006FF0000-0x0000000007093000-memory.dmp

Filesize
652KB

Download
memory/4480-50-0x0000000007770000-0x0000000007DEA000-memory.dmp

Filesize
6.5MB

Download
memory/4480-51-0x0000000007120000-0x000000000713A000-memory.dmp

Filesize
104KB

Download
memory/4480-52-0x0000000007190000-0x000000000719A000-memory.dmp

Filesize
40KB

Download
memory/4480-53-0x0000000007390000-0x0000000007426000-memory.dmp

Filesize
600KB

Download
memory/4480-56-0x0000000075340000-0x0000000075AF1000-memory.dmp

Filesize
7.7MB

Download
memory/4480-17-0x0000000002420000-0x0000000002456000-memory.dmp

Filesize
216KB

Download
memory/4480-18-0x0000000075340000-0x0000000075AF1000-memory.dmp

Filesize
7.7MB

Download
memory/4480-16-0x000000007534E000-0x000000007534F000-memory.dmp

Filesize
4KB

Download