36af16f1951a6edc1cbcd5a15c4bc1a68b2ce829a632e5ff2f37cf2167eac659

Analysis

max time kernel
130s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09-08-2024 11:30

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General

Target

De4dot [Modded ArmDot]/AssemblyServer-CLR20.exe
Size

5KB
MD5

c0bb148fe70f58a3fe5bc59b9fb75011
SHA1

8b893ec93ec57e0797715658b7eedf6fab7c0ec8
SHA256

db0e50089cf8b71e660bcdcdff7dde554f77ecbeb9469cd75bb1764bcedcd8b2
SHA512

88d1f50caecafcd803747643182bf9f8458fe8beff896544cae7c8a7ba97812772c1d1bb8de2ce9d71b943b31ef13715e94a9d332798689cc7986f26b951224e
SSDEEP

48:6C1FdJYL4jgDMPtPORGrlv7TpKKWMACCVCGpfbNtm:BBJ7jg2txHvRYUIzNt

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	AssemblyServer-CLR20.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 opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeBackupPrivilege	4816	dw20.exe
Token: SeBackupPrivilege	4816	dw20.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1148 wrote to memory of 4816	1148	AssemblyServer-CLR20.exe	93
PID 1148 wrote to memory of 4816	1148	AssemblyServer-CLR20.exe	93
PID 1148 wrote to memory of 4816	1148	AssemblyServer-CLR20.exe	93

C:\Users\Admin\AppData\Local\Temp\De4dot [Modded ArmDot]\AssemblyServer-CLR20.exe
"C:\Users\Admin\AppData\Local\Temp\De4dot [Modded ArmDot]\AssemblyServer-CLR20.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1148
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
  dw20.exe -x -s 796
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:4816

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4608,i,3210801877307184477,8078594481454001567,262144 --variations-seed-version --mojo-platform-channel-handle=3264 /prefetch:8
1⤵
PID:4980

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/1148-0-0x00000000747D2000-0x00000000747D3000-memory.dmp

Filesize
4KB

Download
memory/1148-1-0x00000000747D0000-0x0000000074D81000-memory.dmp

Filesize
5.7MB

Download
memory/1148-8-0x00000000747D0000-0x0000000074D81000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads