aa870e1218a74e244dbe047277a2037c22c4460cb5ebfc5d12267950121bad6f

Analysis

max time kernel
141s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11-05-2024 10:33

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General

Target

$APPDATA/yonetici/agent/ht/ZipExeStub.exe
Size

26KB
MD5

69aa866258d8c730bf1feffeabe57fa5
SHA1

b4a895c279b6900e60cb5e90cdd5a6e9b79828af
SHA256

0e1d1b6545d1162c755e0b22c97dfd337dfc64fb8791704a93c84d448b44511f
SHA512

faf62cd96aacf1a94d4e893e4ecad9f494ecc61f548f0b955f3f47405696c6b1ccaac4a3b57dd9a56cbf0db81b64a36c55fce31a983a26be5a66d41c9b1ed5a1
SSDEEP

384:BsJQbkxQ7ECMcxIHe7g6ihJSxUCR1rgCPKabK2t0X5P7DZ+uelWLwWfLCcMe/oTC:BsJQb9Mcxqe7FRJBOtL3d/o+

Score

1^/10

Malware Config

Signatures

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

Processes:

dw20.exe

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

Processes:

dw20.exe

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

Processes:

dw20.exe

description pid process

Token: SeBackupPrivilege 4064 dw20.exe
Token: SeBackupPrivilege 4064 dw20.exe

description	pid	process
Token: SeBackupPrivilege	4064	dw20.exe
Token: SeBackupPrivilege	4064	dw20.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

ZipExeStub.exe

description	pid	process	target process
PID 3508 wrote to memory of 4064	3508	ZipExeStub.exe	dw20.exe
PID 3508 wrote to memory of 4064	3508	ZipExeStub.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\$APPDATA\yonetici\agent\ht\ZipExeStub.exe
"C:\Users\Admin\AppData\Local\Temp\$APPDATA\yonetici\agent\ht\ZipExeStub.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3508

C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
dw20.exe -x -s 1484
2⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:4064

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 --no-appcompat-clear --mojo-platform-channel-handle=4092 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
1⤵
PID:4540

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3508-0-0x00007FFECA600000-0x00007FFECA72A000-memory.dmp

Filesize
1.2MB

Download
memory/3508-9-0x00007FFECA600000-0x00007FFECA72A000-memory.dmp

Filesize
1.2MB

Download