43e47a037425c2efb68f0ba0004f7e851e8c242c5fa7ae6ade0e54fdd81e380a

Analysis

max time kernel
139s
max time network
35s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
21-03-2023 23:12

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General

Target

APT 37 Previous Commits 1/20220315-112_Notice.rar
Size

3KB
MD5

75fe480a0669e80369eaf640857c27cd
SHA1

6845db568fabef46944bd0afed55b94cf2ffa5fb
SHA256

ac31880c5a10e7227064b7098a2e73e5001349123b0e9b6ac2aa8efa055d73fa
SHA512

2074d50ebc5b893183c659cbc48c81924347c69fe05559141d708efbef8231508628c7a20d3b448d747f478731d91c8c0d8a07b6bc408ed3209cd7a3889fc045

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 1 IoCs

Processes:

rundll32.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_Classes\Local Settings rundll32.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

vlc.exe

pid process

888 vlc.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

vlc.exe

pid process

888 vlc.exe
Suspicious use of FindShellTrayWindow 8 IoCs

Processes:

vlc.exe

pid process

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

Processes:

vlc.exe

pid process

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

Processes:

vlc.exe

pid process

888 vlc.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_Classes\Local Settings	rundll32.exe

pid	process
888	vlc.exe

pid	process
888	vlc.exe

pid	process
888	vlc.exe
888	vlc.exe
888	vlc.exe
888	vlc.exe
888	vlc.exe
888	vlc.exe
888	vlc.exe
888	vlc.exe

pid	process
888	vlc.exe
888	vlc.exe
888	vlc.exe
888	vlc.exe
888	vlc.exe
888	vlc.exe
888	vlc.exe

pid	process
888	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1108 wrote to memory of 696	1108	cmd.exe	rundll32.exe
PID 1108 wrote to memory of 696	1108	cmd.exe	rundll32.exe
PID 1108 wrote to memory of 696	1108	cmd.exe	rundll32.exe
PID 696 wrote to memory of 888	696	rundll32.exe	vlc.exe
PID 696 wrote to memory of 888	696	rundll32.exe	vlc.exe
PID 696 wrote to memory of 888	696	rundll32.exe	vlc.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\APT 37 Previous Commits 1\20220315-112_Notice.rar"
1⤵
- Suspicious use of WriteProcessMemory
PID:1108

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 1\20220315-112_Notice.rar
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:696

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 1\20220315-112_Notice.rar"
3⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:888

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

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Downloads

memory/888-83-0x000000013F810000-0x000000013F908000-memory.dmp

Filesize
992KB

Download
memory/888-84-0x000007FEFB170000-0x000007FEFB1A4000-memory.dmp

Filesize
208KB

Download
memory/888-85-0x000007FEF65C0000-0x000007FEF6874000-memory.dmp

Filesize
2.7MB

Download
memory/888-86-0x000007FEFB640000-0x000007FEFB658000-memory.dmp

Filesize
96KB

Download
memory/888-87-0x000007FEFB150000-0x000007FEFB167000-memory.dmp

Filesize
92KB

Download
memory/888-88-0x000007FEFB130000-0x000007FEFB141000-memory.dmp

Filesize
68KB

Download
memory/888-89-0x000007FEFB110000-0x000007FEFB127000-memory.dmp

Filesize
92KB

Download
memory/888-90-0x000007FEFAF40000-0x000007FEFAF51000-memory.dmp

Filesize
68KB

Download
memory/888-91-0x000007FEFAF20000-0x000007FEFAF3D000-memory.dmp

Filesize
116KB

Download
memory/888-92-0x000007FEFAF00000-0x000007FEFAF11000-memory.dmp

Filesize
68KB

Download
memory/888-93-0x000007FEF5510000-0x000007FEF65BB000-memory.dmp

Filesize
16.7MB

Download
memory/888-94-0x000007FEF5310000-0x000007FEF5510000-memory.dmp

Filesize
2.0MB

Download
memory/888-104-0x000007FEF6A40000-0x000007FEF6A70000-memory.dmp

Filesize
192KB

Download
memory/888-106-0x000007FEF52A0000-0x000007FEF530F000-memory.dmp

Filesize
444KB

Download
memory/888-109-0x000007FEF5210000-0x000007FEF5238000-memory.dmp

Filesize
160KB

Download
memory/888-110-0x000007FEF51E0000-0x000007FEF5204000-memory.dmp

Filesize
144KB

Download
memory/888-108-0x000007FEF5240000-0x000007FEF5296000-memory.dmp

Filesize
344KB

Download
memory/888-117-0x000007FEF5100000-0x000007FEF5112000-memory.dmp

Filesize
72KB

Download
memory/888-118-0x000007FEF4FC0000-0x000007FEF50FB000-memory.dmp

Filesize
1.2MB

Download
memory/888-119-0x000007FEF40D0000-0x000007FEF40FC000-memory.dmp

Filesize
176KB

Download
memory/888-116-0x000007FEF5120000-0x000007FEF5133000-memory.dmp

Filesize
76KB

Download
memory/888-120-0x000007FEF3BC0000-0x000007FEF3D72000-memory.dmp

Filesize
1.7MB

Download
memory/888-123-0x000007FEF3AA0000-0x000007FEF3B37000-memory.dmp

Filesize
604KB

Download
memory/888-125-0x000007FEF3840000-0x000007FEF3A71000-memory.dmp

Filesize
2.2MB

Download
memory/888-124-0x000007FEF3A80000-0x000007FEF3A92000-memory.dmp

Filesize
72KB

Download
memory/888-127-0x000007FEF36E0000-0x000007FEF3715000-memory.dmp

Filesize
212KB

Download
memory/888-130-0x000007FEF3620000-0x000007FEF3681000-memory.dmp

Filesize
388KB

Download
memory/888-129-0x000007FEF3690000-0x000007FEF36A1000-memory.dmp

Filesize
68KB

Download
memory/888-131-0x000007FEF3600000-0x000007FEF3611000-memory.dmp

Filesize
68KB

Download
memory/888-128-0x000007FEF36B0000-0x000007FEF36D5000-memory.dmp

Filesize
148KB

Download
memory/888-126-0x000007FEF3720000-0x000007FEF3832000-memory.dmp

Filesize
1.1MB

Download
memory/888-122-0x000007FEF3B40000-0x000007FEF3B51000-memory.dmp

Filesize
68KB

Download
memory/888-121-0x000007FEF3B60000-0x000007FEF3BBC000-memory.dmp

Filesize
368KB

Download
memory/888-133-0x000007FEF35C0000-0x000007FEF35D3000-memory.dmp

Filesize
76KB

Download
memory/888-134-0x000007FEF3520000-0x000007FEF35BF000-memory.dmp

Filesize
636KB

Download
memory/888-135-0x000007FEF3500000-0x000007FEF3511000-memory.dmp

Filesize
68KB

Download
memory/888-138-0x000007FEF33B0000-0x000007FEF33C1000-memory.dmp

Filesize
68KB

Download
memory/888-145-0x000007FEF32C0000-0x000007FEF32D1000-memory.dmp

Filesize
68KB

Download
memory/888-144-0x000007FEF32E0000-0x000007FEF32F2000-memory.dmp

Filesize
72KB

Download
memory/888-146-0x000007FEF32A0000-0x000007FEF32B1000-memory.dmp

Filesize
68KB

Download
memory/888-143-0x000007FEF3300000-0x000007FEF3329000-memory.dmp

Filesize
164KB

Download
memory/888-142-0x000007FEF3330000-0x000007FEF3346000-memory.dmp

Filesize
88KB

Download
memory/888-141-0x000007FEF3350000-0x000007FEF3368000-memory.dmp

Filesize
96KB

Download
memory/888-140-0x000007FEF3370000-0x000007FEF3382000-memory.dmp

Filesize
72KB

Download
memory/888-139-0x000007FEF3390000-0x000007FEF33A1000-memory.dmp

Filesize
68KB

Download
memory/888-137-0x000007FEF33D0000-0x000007FEF33E1000-memory.dmp

Filesize
68KB

Download
memory/888-136-0x000007FEF33F0000-0x000007FEF34F2000-memory.dmp

Filesize
1.0MB

Download
memory/888-132-0x000007FEF35E0000-0x000007FEF35F2000-memory.dmp

Filesize
72KB

Download
memory/888-115-0x000007FEF5140000-0x000007FEF5161000-memory.dmp

Filesize
132KB

Download
memory/888-114-0x000007FEF5170000-0x000007FEF5182000-memory.dmp

Filesize
72KB

Download
memory/888-113-0x000007FEF5190000-0x000007FEF51A1000-memory.dmp

Filesize
68KB

Download
memory/888-112-0x000007FEF51B0000-0x000007FEF51D3000-memory.dmp

Filesize
140KB

Download
memory/888-111-0x000007FEF6990000-0x000007FEF69A7000-memory.dmp

Filesize
92KB

Download
memory/888-107-0x000007FEF69B0000-0x000007FEF69C1000-memory.dmp

Filesize
68KB

Download
memory/888-105-0x000007FEF69D0000-0x000007FEF6A37000-memory.dmp

Filesize
412KB

Download
memory/888-103-0x000007FEF6A70000-0x000007FEF6A88000-memory.dmp

Filesize
96KB

Download
memory/888-102-0x000007FEF6A90000-0x000007FEF6AA1000-memory.dmp

Filesize
68KB

Download
memory/888-101-0x000007FEF6AB0000-0x000007FEF6ACB000-memory.dmp

Filesize
108KB

Download
memory/888-100-0x000007FEF6AD0000-0x000007FEF6AE1000-memory.dmp

Filesize
68KB

Download
memory/888-99-0x000007FEF6AF0000-0x000007FEF6B01000-memory.dmp

Filesize
68KB

Download
memory/888-98-0x000007FEF6B10000-0x000007FEF6B21000-memory.dmp

Filesize
68KB

Download
memory/888-97-0x000007FEF6B30000-0x000007FEF6B48000-memory.dmp

Filesize
96KB

Download
memory/888-96-0x000007FEF7000000-0x000007FEF7021000-memory.dmp

Filesize
132KB

Download
memory/888-95-0x000007FEFAEC0000-0x000007FEFAEFF000-memory.dmp

Filesize
252KB

Download