9ea9091c048283e3f8b97f2e1a811012f84b5fd7e4da065cf119f7bb4b536d65

Analysis

max time kernel
144s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
25/04/2023, 17:27

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General

Target

HEUR-Trojan.Win32.exe
Size

89KB
MD5

6b6648e52e8a77c4f333ba3962bb623c
SHA1

d3b6e35e76cd3adaa2a7a321141c6cf0386d5e19
SHA256

9ea9091c048283e3f8b97f2e1a811012f84b5fd7e4da065cf119f7bb4b536d65
SHA512

8a1ca6be722b1b840c9527a127354dd5a0255880795e7b235ddb755c67163297f57db1de727ccc3419033e7e0e5ff05d31dcfc461fd4247474c09dff9fd9c301
SSDEEP

1536:qSV8/DcCDCMMkG0DaXJiajojoj75lKzVsShtx2iy4gavUaa4+ExWYSzYm/:qS8BCfoDaXJqz7tQQx/+sSEm/

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3448	NvdUpd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows\CurrentVersion\Run	HEUR-Trojan.Win32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NvUpdSrv = "C:\\Users\\Admin\\AppData\\Local\\NVIDIA Corporation\\Updates\\NvdUpd.exe"	HEUR-Trojan.Win32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3448	NvdUpd.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3992 wrote to memory of 3448	3992	HEUR-Trojan.Win32.exe	83
PID 3992 wrote to memory of 3448	3992	HEUR-Trojan.Win32.exe	83
PID 3992 wrote to memory of 3448	3992	HEUR-Trojan.Win32.exe	83

C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan.Win32.exe
"C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan.Win32.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3992
- C:\Users\Admin\AppData\Local\NVIDIA Corporation\Updates\NvdUpd.exe
  "C:\Users\Admin\AppData\Local\NVIDIA Corporation\Updates\NvdUpd.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  PID:3448

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\NVIDIA Corporation\Updates\NvdUpd.exe

Filesize
69KB

MD5
291a26298c0034eb60b88b2f71652504

SHA1
bc9b7c42362540a6954272ae4edc7028cbafa656

SHA256
b61befa2d40b89eb8607b6c06c8b2a3e7a38e460cfc98a5905ba6c10946c6de1

SHA512
d120ca735f260ef4a18f223ababe694422f27c9af26c216b83e75aad1b7a2209f262586318c03ec1924f152c4ada693f137cbd73faa71027c8952b542b9204e2

Download Submit
C:\Users\Admin\AppData\Local\NVIDIA Corporation\Updates\NvdUpd.exe

Filesize
69KB

MD5
291a26298c0034eb60b88b2f71652504

SHA1
bc9b7c42362540a6954272ae4edc7028cbafa656

SHA256
b61befa2d40b89eb8607b6c06c8b2a3e7a38e460cfc98a5905ba6c10946c6de1

SHA512
d120ca735f260ef4a18f223ababe694422f27c9af26c216b83e75aad1b7a2209f262586318c03ec1924f152c4ada693f137cbd73faa71027c8952b542b9204e2

Download Submit
memory/3448-138-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/3448-139-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download