b16ebaec337178a9f4c661d84a9998e453f4b693eab3e3fbc9bb6b957661f3c6

Analysis

max time kernel
150s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
21-03-2023 23:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

APT 37 Previous Commits 3/NTS_eTaxInvoice (1).rar
Size

45KB
MD5

2ec706626dcc9055fc7116aebfba8ec6
SHA1

6b35b46bb29500689ca1551fb50290e4e9b11719
SHA256

33f56b7bf8b72efb633b3e9fa66408746fb0d194eba2f218e9866e12e745a640
SHA512

ca159349ad59c83a0222d7baa3a4345216c15002d204bab27e76bbe51a3d13c12643fba43893c3387f7b13849433cf7d563bf32a813322cb82af9568d1ea9223
SSDEEP

768:gljjg46EFsos0GglcN5AKtvkJzjJnnwEeADw5dcy4BbjdewG2B6cmmE5mbC5RiOT:W4BE2oDGOghkVjJnnjDH/BbjM4VS5Fm8

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

vlc.exe

pid process

1712 vlc.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

vlc.exe

pid process

1712 vlc.exe
Suspicious use of FindShellTrayWindow 8 IoCs

Processes:

vlc.exe

pid process

1712 vlc.exe
1712 vlc.exe
1712 vlc.exe
1712 vlc.exe
1712 vlc.exe
1712 vlc.exe
1712 vlc.exe
1712 vlc.exe
Suspicious use of SendNotifyMessage 7 IoCs

Processes:

vlc.exe

pid process

1712 vlc.exe
1712 vlc.exe
1712 vlc.exe
1712 vlc.exe
1712 vlc.exe
1712 vlc.exe
1712 vlc.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vlc.exe

pid process

1712 vlc.exe

pid	process
1712	vlc.exe

pid	process
1712	vlc.exe

pid	process
1712	vlc.exe
1712	vlc.exe
1712	vlc.exe
1712	vlc.exe
1712	vlc.exe
1712	vlc.exe
1712	vlc.exe
1712	vlc.exe

pid	process
1712	vlc.exe
1712	vlc.exe
1712	vlc.exe
1712	vlc.exe
1712	vlc.exe
1712	vlc.exe
1712	vlc.exe

pid	process
1712	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1708 wrote to memory of 1148	1708	cmd.exe	rundll32.exe
PID 1708 wrote to memory of 1148	1708	cmd.exe	rundll32.exe
PID 1708 wrote to memory of 1148	1708	cmd.exe	rundll32.exe
PID 1148 wrote to memory of 1712	1148	rundll32.exe	vlc.exe
PID 1148 wrote to memory of 1712	1148	rundll32.exe	vlc.exe
PID 1148 wrote to memory of 1712	1148	rundll32.exe	vlc.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\APT 37 Previous Commits 3\NTS_eTaxInvoice (1).rar"
1⤵
- Suspicious use of WriteProcessMemory
PID:1708

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\APT 37 Previous Commits 3\NTS_eTaxInvoice (1).rar
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1148

C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\APT 37 Previous Commits 3\NTS_eTaxInvoice (1).rar"
3⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1712

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1712-83-0x000000013FFD0000-0x00000001400C8000-memory.dmp

Filesize
992KB

Download
memory/1712-84-0x000007FEFB580000-0x000007FEFB5B4000-memory.dmp

Filesize
208KB

Download
memory/1712-85-0x000007FEF6BC0000-0x000007FEF6E74000-memory.dmp

Filesize
2.7MB

Download
memory/1712-86-0x000007FEFBF50000-0x000007FEFBF68000-memory.dmp

Filesize
96KB

Download
memory/1712-87-0x000007FEFB4E0000-0x000007FEFB4F7000-memory.dmp

Filesize
92KB

Download
memory/1712-88-0x000007FEFB4C0000-0x000007FEFB4D1000-memory.dmp

Filesize
68KB

Download
memory/1712-89-0x000007FEFB490000-0x000007FEFB4A7000-memory.dmp

Filesize
92KB

Download
memory/1712-90-0x000007FEFB470000-0x000007FEFB481000-memory.dmp

Filesize
68KB

Download
memory/1712-91-0x000007FEFB450000-0x000007FEFB46D000-memory.dmp

Filesize
116KB

Download
memory/1712-92-0x000007FEFB340000-0x000007FEFB351000-memory.dmp

Filesize
68KB

Download
memory/1712-93-0x000007FEF6940000-0x000007FEF6B40000-memory.dmp

Filesize
2.0MB

Download
memory/1712-94-0x000007FEFB300000-0x000007FEFB33F000-memory.dmp

Filesize
252KB

Download
memory/1712-95-0x000007FEF5890000-0x000007FEF693B000-memory.dmp

Filesize
16.7MB

Download
memory/1712-96-0x000007FEFB290000-0x000007FEFB2B1000-memory.dmp

Filesize
132KB

Download
memory/1712-97-0x000007FEFB2E0000-0x000007FEFB2F8000-memory.dmp

Filesize
96KB

Download
memory/1712-98-0x000007FEFB270000-0x000007FEFB281000-memory.dmp

Filesize
68KB

Download
memory/1712-99-0x000007FEFB250000-0x000007FEFB261000-memory.dmp

Filesize
68KB

Download
memory/1712-100-0x000007FEFB230000-0x000007FEFB241000-memory.dmp

Filesize
68KB

Download
memory/1712-101-0x000007FEFAF80000-0x000007FEFAF9B000-memory.dmp

Filesize
108KB

Download
memory/1712-102-0x000007FEFAF60000-0x000007FEFAF71000-memory.dmp

Filesize
68KB

Download
memory/1712-103-0x000007FEFAF40000-0x000007FEFAF58000-memory.dmp

Filesize
96KB

Download
memory/1712-104-0x000007FEFAF10000-0x000007FEFAF40000-memory.dmp

Filesize
192KB

Download
memory/1712-105-0x000007FEF6FC0000-0x000007FEF7027000-memory.dmp

Filesize
412KB

Download
memory/1712-106-0x000007FEF5820000-0x000007FEF588F000-memory.dmp

Filesize
444KB

Download
memory/1712-107-0x000007FEFAEF0000-0x000007FEFAF01000-memory.dmp

Filesize
68KB

Download
memory/1712-108-0x000007FEF57C0000-0x000007FEF5816000-memory.dmp

Filesize
344KB

Download
memory/1712-109-0x000007FEF6B90000-0x000007FEF6BB8000-memory.dmp

Filesize
160KB

Download
memory/1712-110-0x000007FEF5790000-0x000007FEF57B4000-memory.dmp

Filesize
144KB

Download
memory/1712-111-0x000007FEF7B30000-0x000007FEF7B47000-memory.dmp

Filesize
92KB

Download
memory/1712-112-0x000007FEF5760000-0x000007FEF5783000-memory.dmp

Filesize
140KB

Download
memory/1712-113-0x000007FEF6FA0000-0x000007FEF6FB1000-memory.dmp

Filesize
68KB

Download
memory/1712-114-0x000007FEF5740000-0x000007FEF5752000-memory.dmp

Filesize
72KB

Download
memory/1712-115-0x000007FEF5710000-0x000007FEF5731000-memory.dmp

Filesize
132KB

Download
memory/1712-116-0x000007FEF56F0000-0x000007FEF5703000-memory.dmp

Filesize
76KB

Download
memory/1712-117-0x000007FEF56D0000-0x000007FEF56E2000-memory.dmp

Filesize
72KB

Download
memory/1712-118-0x000007FEF5590000-0x000007FEF56CB000-memory.dmp

Filesize
1.2MB

Download
memory/1712-119-0x000007FEF5560000-0x000007FEF558C000-memory.dmp

Filesize
176KB

Download
memory/1712-120-0x000007FEF53A0000-0x000007FEF5552000-memory.dmp

Filesize
1.7MB

Download
memory/1712-121-0x000007FEF5340000-0x000007FEF539C000-memory.dmp

Filesize
368KB

Download
memory/1712-122-0x000007FEF5320000-0x000007FEF5331000-memory.dmp

Filesize
68KB

Download
memory/1712-123-0x000007FEF5260000-0x000007FEF52F7000-memory.dmp

Filesize
604KB

Download
memory/1712-124-0x000007FEF5170000-0x000007FEF5182000-memory.dmp

Filesize
72KB

Download
memory/1712-125-0x000007FEF4F30000-0x000007FEF5161000-memory.dmp

Filesize
2.2MB

Download
memory/1712-126-0x000007FEF4E10000-0x000007FEF4F22000-memory.dmp

Filesize
1.1MB

Download
memory/1712-127-0x000007FEF4D30000-0x000007FEF4D65000-memory.dmp

Filesize
212KB

Download
memory/1712-128-0x000007FEF4D00000-0x000007FEF4D25000-memory.dmp

Filesize
148KB

Download
memory/1712-129-0x000007FEF4CE0000-0x000007FEF4CF1000-memory.dmp

Filesize
68KB

Download
memory/1712-130-0x000007FEF4C70000-0x000007FEF4CD1000-memory.dmp

Filesize
388KB

Download
memory/1712-131-0x000007FEF4B70000-0x000007FEF4B81000-memory.dmp

Filesize
68KB

Download
memory/1712-132-0x000007FEF4B50000-0x000007FEF4B62000-memory.dmp

Filesize
72KB

Download
memory/1712-133-0x000007FEF46C0000-0x000007FEF46D3000-memory.dmp

Filesize
76KB

Download
memory/1712-134-0x000007FEF4620000-0x000007FEF46BF000-memory.dmp

Filesize
636KB

Download
memory/1712-135-0x000007FEF4380000-0x000007FEF4391000-memory.dmp

Filesize
68KB

Download
memory/1712-136-0x000007FEF3DD0000-0x000007FEF3ED2000-memory.dmp

Filesize
1.0MB

Download
memory/1712-137-0x000007FEF3D70000-0x000007FEF3D81000-memory.dmp

Filesize
68KB

Download
memory/1712-138-0x000007FEF3D30000-0x000007FEF3D41000-memory.dmp

Filesize
68KB

Download
memory/1712-139-0x000007FEF3D10000-0x000007FEF3D21000-memory.dmp

Filesize
68KB

Download
memory/1712-140-0x000007FEF3CF0000-0x000007FEF3D02000-memory.dmp

Filesize
72KB

Download
memory/1712-141-0x000007FEF3CD0000-0x000007FEF3CE8000-memory.dmp

Filesize
96KB

Download
memory/1712-142-0x000007FEF3CB0000-0x000007FEF3CC6000-memory.dmp

Filesize
88KB

Download
memory/1712-143-0x000007FEF3C80000-0x000007FEF3CA9000-memory.dmp

Filesize
164KB

Download
memory/1712-144-0x000007FEF3BF0000-0x000007FEF3C02000-memory.dmp

Filesize
72KB

Download
memory/1712-145-0x000007FEF3BD0000-0x000007FEF3BE1000-memory.dmp

Filesize
68KB

Download
memory/1712-146-0x000007FEF3BB0000-0x000007FEF3BC1000-memory.dmp

Filesize
68KB

Download