43e47a037425c2efb68f0ba0004f7e851e8c242c5fa7ae6ade0e54fdd81e380a

Analysis

max time kernel
140s
max time network
31s
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

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

APT 37 Previous Commits 1/20220916093205755684_TSA.rar
Size

959KB
MD5

1531bba6a8028d38d36c0a91b91159c3
SHA1

fd022cda6f03897adae856b0d8544cc587132ce3
SHA256

79c0c48614379371e3da809c512a945c19f48b326d2d28ea1603fb394fb18e81
SHA512

4dca2fc7bb55287f2dc8d759928f6ee70c43d6949d86f21979f0dc618e5ad0f424c19d62b548ea96c0dc5b197b449182a79e5db017ef3cf6dc32ad63ad7973d2
SSDEEP

24576:wpURDkB8WgmwgDBkg3aX8asLIy5t4tVq/K8ksqQEIGCOx:BCxDBE8asLISSE/pPkIMx

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-1-5-21-3948302646-268491222-1934009652-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

vlc.exe

pid process

692 vlc.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

vlc.exe

pid process

692 vlc.exe
Suspicious use of FindShellTrayWindow 9 IoCs

Processes:

vlc.exe

pid process

692 vlc.exe
692 vlc.exe
692 vlc.exe
692 vlc.exe
692 vlc.exe
692 vlc.exe
692 vlc.exe
692 vlc.exe
692 vlc.exe
Suspicious use of SendNotifyMessage 8 IoCs

Processes:

vlc.exe

pid process

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

Processes:

vlc.exe

pid process

692 vlc.exe

pid	process
692	vlc.exe

pid	process
692	vlc.exe

pid	process
692	vlc.exe
692	vlc.exe
692	vlc.exe
692	vlc.exe
692	vlc.exe
692	vlc.exe
692	vlc.exe
692	vlc.exe
692	vlc.exe

pid	process
692	vlc.exe
692	vlc.exe
692	vlc.exe
692	vlc.exe
692	vlc.exe
692	vlc.exe
692	vlc.exe
692	vlc.exe

pid	process
692	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1988 wrote to memory of 1072	1988	cmd.exe	rundll32.exe
PID 1988 wrote to memory of 1072	1988	cmd.exe	rundll32.exe
PID 1988 wrote to memory of 1072	1988	cmd.exe	rundll32.exe
PID 1072 wrote to memory of 692	1072	rundll32.exe	vlc.exe
PID 1072 wrote to memory of 692	1072	rundll32.exe	vlc.exe
PID 1072 wrote to memory of 692	1072	rundll32.exe	vlc.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\APT 37 Previous Commits 1\20220916093205755684_TSA.rar"
1⤵
- Suspicious use of WriteProcessMemory
PID:1988

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\20220916093205755684_TSA.rar
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1072

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\20220916093205755684_TSA.rar"
3⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:692

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/692-83-0x000000013F390000-0x000000013F488000-memory.dmp

Filesize
992KB

Download
memory/692-84-0x000007FEFA900000-0x000007FEFA934000-memory.dmp

Filesize
208KB

Download
memory/692-85-0x000007FEF6040000-0x000007FEF62F4000-memory.dmp

Filesize
2.7MB

Download
memory/692-86-0x000007FEFB360000-0x000007FEFB378000-memory.dmp

Filesize
96KB

Download
memory/692-87-0x000007FEFA8A0000-0x000007FEFA8B7000-memory.dmp

Filesize
92KB

Download
memory/692-88-0x000007FEFA880000-0x000007FEFA891000-memory.dmp

Filesize
68KB

Download
memory/692-90-0x000007FEFA720000-0x000007FEFA731000-memory.dmp

Filesize
68KB

Download
memory/692-89-0x000007FEFA860000-0x000007FEFA877000-memory.dmp

Filesize
92KB

Download
memory/692-91-0x000007FEFA700000-0x000007FEFA71D000-memory.dmp

Filesize
116KB

Download
memory/692-92-0x000007FEFA6E0000-0x000007FEFA6F1000-memory.dmp

Filesize
68KB

Download
memory/692-93-0x000007FEF5DE0000-0x000007FEF5FE0000-memory.dmp

Filesize
2.0MB

Download
memory/692-94-0x000007FEF45A0000-0x000007FEF564B000-memory.dmp

Filesize
16.7MB

Download
memory/692-95-0x000007FEFA5E0000-0x000007FEFA61F000-memory.dmp

Filesize
252KB

Download
memory/692-96-0x000007FEF6010000-0x000007FEF6031000-memory.dmp

Filesize
132KB

Download
memory/692-97-0x000007FEF6420000-0x000007FEF6438000-memory.dmp

Filesize
96KB

Download
memory/692-98-0x000007FEF5830000-0x000007FEF5841000-memory.dmp

Filesize
68KB

Download
memory/692-103-0x000007FEF5790000-0x000007FEF57A8000-memory.dmp

Filesize
96KB

Download
memory/692-105-0x000007FEF43A0000-0x000007FEF4407000-memory.dmp

Filesize
412KB

Download
memory/692-104-0x000007FEF5760000-0x000007FEF5790000-memory.dmp

Filesize
192KB

Download
memory/692-102-0x000007FEF57B0000-0x000007FEF57C1000-memory.dmp

Filesize
68KB

Download
memory/692-101-0x000007FEF57D0000-0x000007FEF57EB000-memory.dmp

Filesize
108KB

Download
memory/692-106-0x000007FEF4330000-0x000007FEF439F000-memory.dmp

Filesize
444KB

Download
memory/692-100-0x000007FEF57F0000-0x000007FEF5801000-memory.dmp

Filesize
68KB

Download
memory/692-107-0x000007FEF5740000-0x000007FEF5751000-memory.dmp

Filesize
68KB

Download
memory/692-99-0x000007FEF5810000-0x000007FEF5821000-memory.dmp

Filesize
68KB

Download
memory/692-108-0x000007FEF42D0000-0x000007FEF4326000-memory.dmp

Filesize
344KB

Download
memory/692-109-0x000007FEF5710000-0x000007FEF5738000-memory.dmp

Filesize
160KB

Download
memory/692-110-0x000007FEF41A0000-0x000007FEF41C4000-memory.dmp

Filesize
144KB

Download
memory/692-111-0x000007FEF4180000-0x000007FEF4197000-memory.dmp

Filesize
92KB

Download
memory/692-112-0x000007FEF4150000-0x000007FEF4173000-memory.dmp

Filesize
140KB

Download
memory/692-113-0x000007FEF4130000-0x000007FEF4141000-memory.dmp

Filesize
68KB

Download
memory/692-114-0x000007FEF4110000-0x000007FEF4122000-memory.dmp

Filesize
72KB

Download
memory/692-115-0x000007FEF40E0000-0x000007FEF4101000-memory.dmp

Filesize
132KB

Download
memory/692-116-0x000007FEF40C0000-0x000007FEF40D3000-memory.dmp

Filesize
76KB

Download
memory/692-117-0x000007FEF40A0000-0x000007FEF40B2000-memory.dmp

Filesize
72KB

Download
memory/692-118-0x000007FEF3F60000-0x000007FEF409B000-memory.dmp

Filesize
1.2MB

Download
memory/692-119-0x000007FEF3E10000-0x000007FEF3E3C000-memory.dmp

Filesize
176KB

Download
memory/692-120-0x000007FEF3C10000-0x000007FEF3DC2000-memory.dmp

Filesize
1.7MB

Download
memory/692-121-0x000007FEF3A70000-0x000007FEF3ACC000-memory.dmp

Filesize
368KB

Download
memory/692-122-0x000007FEF3A50000-0x000007FEF3A61000-memory.dmp

Filesize
68KB

Download
memory/692-123-0x000007FEF39B0000-0x000007FEF3A47000-memory.dmp

Filesize
604KB

Download
memory/692-124-0x000007FEF3990000-0x000007FEF39A2000-memory.dmp

Filesize
72KB

Download
memory/692-125-0x000007FEF3750000-0x000007FEF3981000-memory.dmp

Filesize
2.2MB

Download
memory/692-126-0x000007FEF3630000-0x000007FEF3742000-memory.dmp

Filesize
1.1MB

Download
memory/692-127-0x000007FEF35F0000-0x000007FEF3625000-memory.dmp

Filesize
212KB

Download
memory/692-128-0x000007FEF35C0000-0x000007FEF35E5000-memory.dmp

Filesize
148KB

Download
memory/692-129-0x000007FEF35A0000-0x000007FEF35B1000-memory.dmp

Filesize
68KB

Download
memory/692-130-0x000007FEF3530000-0x000007FEF3591000-memory.dmp

Filesize
388KB

Download
memory/692-131-0x000007FEF3510000-0x000007FEF3521000-memory.dmp

Filesize
68KB

Download
memory/692-132-0x000007FEF34F0000-0x000007FEF3502000-memory.dmp

Filesize
72KB

Download
memory/692-133-0x000007FEF34D0000-0x000007FEF34E3000-memory.dmp

Filesize
76KB

Download
memory/692-134-0x000007FEF3430000-0x000007FEF34CF000-memory.dmp

Filesize
636KB

Download
memory/692-135-0x000007FEF3410000-0x000007FEF3421000-memory.dmp

Filesize
68KB

Download
memory/692-136-0x000007FEF3300000-0x000007FEF3402000-memory.dmp

Filesize
1.0MB

Download
memory/692-137-0x000007FEF32E0000-0x000007FEF32F1000-memory.dmp

Filesize
68KB

Download
memory/692-138-0x000007FEF32C0000-0x000007FEF32D1000-memory.dmp

Filesize
68KB

Download
memory/692-139-0x000007FEF32A0000-0x000007FEF32B1000-memory.dmp

Filesize
68KB

Download
memory/692-140-0x000007FEF3280000-0x000007FEF3292000-memory.dmp

Filesize
72KB

Download
memory/692-141-0x000007FEF3260000-0x000007FEF3278000-memory.dmp

Filesize
96KB

Download
memory/692-142-0x000007FEF3240000-0x000007FEF3256000-memory.dmp

Filesize
88KB

Download
memory/692-143-0x000007FEF3210000-0x000007FEF3239000-memory.dmp

Filesize
164KB

Download
memory/692-144-0x000007FEF31F0000-0x000007FEF3202000-memory.dmp

Filesize
72KB

Download
memory/692-145-0x000007FEF31D0000-0x000007FEF31E1000-memory.dmp

Filesize
68KB

Download
memory/692-146-0x000007FEF31B0000-0x000007FEF31C1000-memory.dmp

Filesize
68KB

Download