43e47a037425c2efb68f0ba0004f7e851e8c242c5fa7ae6ade0e54fdd81e380a

Analysis

max time kernel
166s
max time network
41s
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 1/1.rar
Size

3.6MB
MD5

6dc7795dde643aae9ced8e22db335ad1
SHA1

fc286e4b01c400ae2ac76674a6c45fa723218859
SHA256

751bfe7e49cdbc48029894fca27f9d7abeaa320a77d48b6cb12bf11f356e64e3
SHA512

9c4fb94703b494027218ef252cdd83502862ed4c9893b03a97110642a64fe33858971fbe0afdceaf6f598114bb3f6799d0f7a6ffc5525b21cf0cf7f2db318e46
SSDEEP

98304:hDO0gu5xt1jwNmciQQrjxXHkA4XsLRRJ0gXJpuePmeSNv+QN:th9JjwNmcPsjx3kwjpuePRSNv+QN

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

1964 vlc.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

vlc.exe

pid process

1964 vlc.exe
Suspicious use of FindShellTrayWindow 9 IoCs

Processes:

vlc.exe

pid process

1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
Suspicious use of SendNotifyMessage 8 IoCs

Processes:

vlc.exe

pid process

1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vlc.exe

pid process

1964 vlc.exe

pid	process
1964	vlc.exe

pid	process
1964	vlc.exe

pid	process
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe

pid	process
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe

pid	process
1964	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1956 wrote to memory of 1488	1956	cmd.exe	rundll32.exe
PID 1956 wrote to memory of 1488	1956	cmd.exe	rundll32.exe
PID 1956 wrote to memory of 1488	1956	cmd.exe	rundll32.exe
PID 1488 wrote to memory of 1964	1488	rundll32.exe	vlc.exe
PID 1488 wrote to memory of 1964	1488	rundll32.exe	vlc.exe
PID 1488 wrote to memory of 1964	1488	rundll32.exe	vlc.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\APT 37 Previous Commits 1\1.rar"
1⤵
- Suspicious use of WriteProcessMemory
PID:1956

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\1.rar
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1488

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\1.rar"
3⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1964

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/1964-83-0x000000013FC20000-0x000000013FD18000-memory.dmp

Filesize
992KB

Download
memory/1964-84-0x000007FEFA970000-0x000007FEFA9A4000-memory.dmp

Filesize
208KB

Download
memory/1964-85-0x000007FEF6030000-0x000007FEF62E4000-memory.dmp

Filesize
2.7MB

Download
memory/1964-86-0x000007FEFB0B0000-0x000007FEFB0C8000-memory.dmp

Filesize
96KB

Download
memory/1964-87-0x000007FEFA940000-0x000007FEFA957000-memory.dmp

Filesize
92KB

Download
memory/1964-88-0x000007FEFA920000-0x000007FEFA931000-memory.dmp

Filesize
68KB

Download
memory/1964-89-0x000007FEFA8C0000-0x000007FEFA8D7000-memory.dmp

Filesize
92KB

Download
memory/1964-90-0x000007FEFA8A0000-0x000007FEFA8B1000-memory.dmp

Filesize
68KB

Download
memory/1964-91-0x000007FEFA880000-0x000007FEFA89D000-memory.dmp

Filesize
116KB

Download
memory/1964-92-0x000007FEFA7B0000-0x000007FEFA7C1000-memory.dmp

Filesize
68KB

Download
memory/1964-93-0x000007FEF4EE0000-0x000007FEF5F8B000-memory.dmp

Filesize
16.7MB

Download
memory/1964-94-0x000007FEF4CE0000-0x000007FEF4EE0000-memory.dmp

Filesize
2.0MB

Download
memory/1964-95-0x000007FEFA770000-0x000007FEFA7AF000-memory.dmp

Filesize
252KB

Download
memory/1964-96-0x000007FEFA740000-0x000007FEFA761000-memory.dmp

Filesize
132KB

Download
memory/1964-97-0x000007FEFA720000-0x000007FEFA738000-memory.dmp

Filesize
96KB

Download
memory/1964-98-0x000007FEFA390000-0x000007FEFA3A1000-memory.dmp

Filesize
68KB

Download
memory/1964-99-0x000007FEFA370000-0x000007FEFA381000-memory.dmp

Filesize
68KB

Download
memory/1964-100-0x000007FEFA350000-0x000007FEFA361000-memory.dmp

Filesize
68KB

Download
memory/1964-101-0x000007FEF6FA0000-0x000007FEF6FBB000-memory.dmp

Filesize
108KB

Download
memory/1964-102-0x000007FEF63F0000-0x000007FEF6401000-memory.dmp

Filesize
68KB

Download
memory/1964-103-0x000007FEF63D0000-0x000007FEF63E8000-memory.dmp

Filesize
96KB

Download
memory/1964-104-0x000007FEF63A0000-0x000007FEF63D0000-memory.dmp

Filesize
192KB

Download
memory/1964-105-0x000007FEF4C70000-0x000007FEF4CD7000-memory.dmp

Filesize
412KB

Download
memory/1964-106-0x000007FEF4C00000-0x000007FEF4C6F000-memory.dmp

Filesize
444KB

Download
memory/1964-107-0x000007FEF6380000-0x000007FEF6391000-memory.dmp

Filesize
68KB

Download
memory/1964-108-0x000007FEF4BA0000-0x000007FEF4BF6000-memory.dmp

Filesize
344KB

Download
memory/1964-109-0x000007FEF6000000-0x000007FEF6028000-memory.dmp

Filesize
160KB

Download
memory/1964-110-0x000007FEF4B70000-0x000007FEF4B94000-memory.dmp

Filesize
144KB

Download
memory/1964-111-0x000007FEF4B50000-0x000007FEF4B67000-memory.dmp

Filesize
92KB

Download
memory/1964-112-0x000007FEF4B20000-0x000007FEF4B43000-memory.dmp

Filesize
140KB

Download
memory/1964-113-0x000007FEF4B00000-0x000007FEF4B11000-memory.dmp

Filesize
68KB

Download
memory/1964-114-0x000007FEF4AE0000-0x000007FEF4AF2000-memory.dmp

Filesize
72KB

Download
memory/1964-115-0x000007FEF4AB0000-0x000007FEF4AD1000-memory.dmp

Filesize
132KB

Download
memory/1964-116-0x000007FEF4A90000-0x000007FEF4AA3000-memory.dmp

Filesize
76KB

Download
memory/1964-117-0x000007FEF4A70000-0x000007FEF4A82000-memory.dmp

Filesize
72KB

Download
memory/1964-118-0x000007FEF4930000-0x000007FEF4A6B000-memory.dmp

Filesize
1.2MB

Download
memory/1964-119-0x000007FEF4900000-0x000007FEF492C000-memory.dmp

Filesize
176KB

Download
memory/1964-120-0x000007FEF4740000-0x000007FEF48F2000-memory.dmp

Filesize
1.7MB

Download
memory/1964-121-0x000007FEF46E0000-0x000007FEF473C000-memory.dmp

Filesize
368KB

Download
memory/1964-122-0x000007FEF46C0000-0x000007FEF46D1000-memory.dmp

Filesize
68KB

Download
memory/1964-123-0x000007FEF4620000-0x000007FEF46B7000-memory.dmp

Filesize
604KB

Download
memory/1964-124-0x000007FEF4600000-0x000007FEF4612000-memory.dmp

Filesize
72KB

Download
memory/1964-125-0x000007FEF43C0000-0x000007FEF45F1000-memory.dmp

Filesize
2.2MB

Download
memory/1964-126-0x000007FEF42A0000-0x000007FEF43B2000-memory.dmp

Filesize
1.1MB

Download
memory/1964-127-0x000007FEF4260000-0x000007FEF4295000-memory.dmp

Filesize
212KB

Download
memory/1964-128-0x000007FEF4210000-0x000007FEF4235000-memory.dmp

Filesize
148KB

Download
memory/1964-129-0x000007FEF41F0000-0x000007FEF4201000-memory.dmp

Filesize
68KB

Download
memory/1964-130-0x000007FEF4180000-0x000007FEF41E1000-memory.dmp

Filesize
388KB

Download
memory/1964-131-0x000007FEF4160000-0x000007FEF4171000-memory.dmp

Filesize
68KB

Download
memory/1964-132-0x000007FEF4140000-0x000007FEF4152000-memory.dmp

Filesize
72KB

Download
memory/1964-133-0x000007FEF4120000-0x000007FEF4133000-memory.dmp

Filesize
76KB

Download
memory/1964-134-0x000007FEF4080000-0x000007FEF411F000-memory.dmp

Filesize
636KB

Download
memory/1964-135-0x000007FEF4060000-0x000007FEF4071000-memory.dmp

Filesize
68KB

Download
memory/1964-136-0x000007FEF3F50000-0x000007FEF4052000-memory.dmp

Filesize
1.0MB

Download
memory/1964-137-0x000007FEF3E60000-0x000007FEF3E71000-memory.dmp

Filesize
68KB

Download
memory/1964-138-0x000007FEF3E40000-0x000007FEF3E51000-memory.dmp

Filesize
68KB

Download
memory/1964-139-0x000007FEF3E20000-0x000007FEF3E31000-memory.dmp

Filesize
68KB

Download
memory/1964-140-0x000007FEF3E00000-0x000007FEF3E12000-memory.dmp

Filesize
72KB

Download
memory/1964-141-0x000007FEF3DE0000-0x000007FEF3DF8000-memory.dmp

Filesize
96KB

Download
memory/1964-142-0x000007FEF3D20000-0x000007FEF3D36000-memory.dmp

Filesize
88KB

Download
memory/1964-143-0x000007FEF3CF0000-0x000007FEF3D19000-memory.dmp

Filesize
164KB

Download
memory/1964-144-0x000007FEF3CD0000-0x000007FEF3CE2000-memory.dmp

Filesize
72KB

Download
memory/1964-145-0x000007FEF3CB0000-0x000007FEF3CC1000-memory.dmp

Filesize
68KB

Download
memory/1964-146-0x000007FEF3B50000-0x000007FEF3B61000-memory.dmp

Filesize
68KB

Download