13d145b208632cea1403101859df2ef53a276a740b8efa11e04fefaf1a14027b

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-08-2024 04:29

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General

Target

$TEMP/alumni_reunions/calendars/retail/MicrosoftXslDebugProxy.exe
Size

36KB
MD5

6ad1c32675ecd48f15535e4a0e474e28
SHA1

2d9b200ea1d9fb6442f21bb5441072bd4b9d1968
SHA256

46b1a81f5ebb43404ac7229d14593d5f47930c8fc3fb5279ac5402507f7ea7b3
SHA512

8a425760aa2e7bbe286b2322d2413eaee42d7e386448050c46f61c461481407800ed2b5bd19beee77dd74fcb30e496d36c303d0845e1ee138babf6f483da1659
SSDEEP

384:EW2BCQspyJi6d0XsNGIEP/06V78FIISqa4ld2Cxs+NHsRo8CWewMW:fBqJbS8N7IIlaAs+NHsKe

Score

3^/10

discovery

Malware Config

Signatures

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	MicrosoftXslDebugProxy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.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	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeRestorePrivilege	2180	dw20.exe
Token: SeBackupPrivilege	2180	dw20.exe
Token: SeBackupPrivilege	2180	dw20.exe
Token: SeBackupPrivilege	2180	dw20.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3120 wrote to memory of 2180	3120	MicrosoftXslDebugProxy.exe	86
PID 3120 wrote to memory of 2180	3120	MicrosoftXslDebugProxy.exe	86
PID 3120 wrote to memory of 2180	3120	MicrosoftXslDebugProxy.exe	86

C:\Users\Admin\AppData\Local\Temp\$TEMP\alumni_reunions\calendars\retail\MicrosoftXslDebugProxy.exe
"C:\Users\Admin\AppData\Local\Temp\$TEMP\alumni_reunions\calendars\retail\MicrosoftXslDebugProxy.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3120
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
  dw20.exe -x -s 812
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:2180

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

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Downloads

memory/3120-0-0x0000000074EF2000-0x0000000074EF3000-memory.dmp

Filesize
4KB

Download
memory/3120-1-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/3120-2-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/3120-9-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads