Analysis
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max time kernel
153s -
max time network
171s -
platform
windows10-2004_x64 -
resource
win10v2004-20220331-en -
submitted
04-04-2022 03:51
Behavioral task
behavioral1
Sample
VPN_Free.exe
Resource
win7-20220331-en
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
VPN_Free.exe
Resource
win10v2004-20220331-en
windows10-2004_x64
0 signatures
0 seconds
General
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Target
VPN_Free.exe
-
Size
2.0MB
-
MD5
831d4e7f62efecd2fc159074383b965b
-
SHA1
4856dbaebf644b83f620fff1666f8553ad47d9b5
-
SHA256
be394c34bc2d5f532f3ddac7e2d692c60401d71858d4ae2f077af559f33ef772
-
SHA512
6e60c373cb7ace5666507dd58bf39c4c92346c070f6c4a2d62cd5966dd84bddee89034ba3ee4cce52df74fc0b0aede68d49fea29ee24f9698833905c853c88e8
Score
10/10
Malware Config
Extracted
Family
redline
Botnet
VPNFree
C2
80.92.205.112:81
Signatures
-
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
-
RedLine Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4020-130-0x0000000000400000-0x0000000000442000-memory.dmp family_redline -
Suspicious use of SetThreadContext 1 IoCs
Processes:
VPN_Free.exedescription pid process target process PID 3996 set thread context of 4020 3996 VPN_Free.exe RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
VPN_Free.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 3996 VPN_Free.exe Token: SeDebugPrivilege 4020 RegSvcs.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
VPN_Free.exedescription pid process target process PID 3996 wrote to memory of 4020 3996 VPN_Free.exe RegSvcs.exe PID 3996 wrote to memory of 4020 3996 VPN_Free.exe RegSvcs.exe PID 3996 wrote to memory of 4020 3996 VPN_Free.exe RegSvcs.exe PID 3996 wrote to memory of 4020 3996 VPN_Free.exe RegSvcs.exe PID 3996 wrote to memory of 4020 3996 VPN_Free.exe RegSvcs.exe PID 3996 wrote to memory of 4020 3996 VPN_Free.exe RegSvcs.exe PID 3996 wrote to memory of 4020 3996 VPN_Free.exe RegSvcs.exe PID 3996 wrote to memory of 4020 3996 VPN_Free.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\VPN_Free.exe"C:\Users\Admin\AppData\Local\Temp\VPN_Free.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3996 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4020
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/3996-124-0x0000000000F50000-0x000000000115E000-memory.dmpFilesize
2.1MB
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memory/3996-125-0x00000000085F0000-0x0000000008B94000-memory.dmpFilesize
5.6MB
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memory/3996-126-0x0000000008040000-0x00000000080D2000-memory.dmpFilesize
584KB
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memory/3996-127-0x00000000081D0000-0x00000000081DA000-memory.dmpFilesize
40KB
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memory/3996-128-0x000000000BFC0000-0x000000000C05C000-memory.dmpFilesize
624KB
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memory/4020-129-0x0000000000000000-mapping.dmp
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memory/4020-130-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/4020-131-0x0000000005600000-0x0000000005676000-memory.dmpFilesize
472KB
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memory/4020-132-0x0000000005B80000-0x0000000005B9E000-memory.dmpFilesize
120KB
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memory/4020-133-0x0000000006320000-0x0000000006938000-memory.dmpFilesize
6.1MB
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memory/4020-134-0x0000000005DB0000-0x0000000005DC2000-memory.dmpFilesize
72KB
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memory/4020-135-0x0000000005E10000-0x0000000005E4C000-memory.dmpFilesize
240KB
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memory/4020-136-0x00000000060B0000-0x00000000061BA000-memory.dmpFilesize
1.0MB