Analysis
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max time kernel
118s -
max time network
156s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
26-09-2024 23:11
Static task
static1
Behavioral task
behavioral1
Sample
b5bb760b32b6cba8aae36d830b64c53cd3aa0d8ae0ec5686d604564f30ec46b9.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
b5bb760b32b6cba8aae36d830b64c53cd3aa0d8ae0ec5686d604564f30ec46b9.exe
Resource
win10-20240611-en
General
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Target
b5bb760b32b6cba8aae36d830b64c53cd3aa0d8ae0ec5686d604564f30ec46b9.exe
-
Size
403KB
-
MD5
a2fc88996b2fe412ad287321f6a18591
-
SHA1
33c3242867eebe62da8b8ba946ebf986918c48b4
-
SHA256
b5bb760b32b6cba8aae36d830b64c53cd3aa0d8ae0ec5686d604564f30ec46b9
-
SHA512
74504dc96abb1a6c9ff0f22ab0e0f5dd087f2721678657fc895375ab3cfa5e4f81e818504d23423197b2e0fc44163340ea2420386cb64fb6b59b9e2d456628ea
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SSDEEP
12288:PGeJadV8HxUS6590r5H0pC9aB9/07UBlEO:PGeJoV8RZ6sVHd9aB9/Blt
Malware Config
Extracted
vidar
11
d80be45a1eb6454ca916f92c36ebf67d
https://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0
Signatures
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Detect Vidar Stealer 11 IoCs
resource yara_rule behavioral1/memory/2972-22-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2972-20-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2972-18-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2972-16-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2972-13-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2972-12-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2972-10-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2972-163-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2972-182-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2972-212-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2972-247-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2112 set thread context of 2972 2112 b5bb760b32b6cba8aae36d830b64c53cd3aa0d8ae0ec5686d604564f30ec46b9.exe 31 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b5bb760b32b6cba8aae36d830b64c53cd3aa0d8ae0ec5686d604564f30ec46b9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 RegAsm.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 RegAsm.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2972 RegAsm.exe 2972 RegAsm.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2112 wrote to memory of 2972 2112 b5bb760b32b6cba8aae36d830b64c53cd3aa0d8ae0ec5686d604564f30ec46b9.exe 31 PID 2112 wrote to memory of 2972 2112 b5bb760b32b6cba8aae36d830b64c53cd3aa0d8ae0ec5686d604564f30ec46b9.exe 31 PID 2112 wrote to memory of 2972 2112 b5bb760b32b6cba8aae36d830b64c53cd3aa0d8ae0ec5686d604564f30ec46b9.exe 31 PID 2112 wrote to memory of 2972 2112 b5bb760b32b6cba8aae36d830b64c53cd3aa0d8ae0ec5686d604564f30ec46b9.exe 31 PID 2112 wrote to memory of 2972 2112 b5bb760b32b6cba8aae36d830b64c53cd3aa0d8ae0ec5686d604564f30ec46b9.exe 31 PID 2112 wrote to memory of 2972 2112 b5bb760b32b6cba8aae36d830b64c53cd3aa0d8ae0ec5686d604564f30ec46b9.exe 31 PID 2112 wrote to memory of 2972 2112 b5bb760b32b6cba8aae36d830b64c53cd3aa0d8ae0ec5686d604564f30ec46b9.exe 31 PID 2112 wrote to memory of 2972 2112 b5bb760b32b6cba8aae36d830b64c53cd3aa0d8ae0ec5686d604564f30ec46b9.exe 31 PID 2112 wrote to memory of 2972 2112 b5bb760b32b6cba8aae36d830b64c53cd3aa0d8ae0ec5686d604564f30ec46b9.exe 31 PID 2112 wrote to memory of 2972 2112 b5bb760b32b6cba8aae36d830b64c53cd3aa0d8ae0ec5686d604564f30ec46b9.exe 31 PID 2112 wrote to memory of 2972 2112 b5bb760b32b6cba8aae36d830b64c53cd3aa0d8ae0ec5686d604564f30ec46b9.exe 31 PID 2112 wrote to memory of 2972 2112 b5bb760b32b6cba8aae36d830b64c53cd3aa0d8ae0ec5686d604564f30ec46b9.exe 31 PID 2112 wrote to memory of 2972 2112 b5bb760b32b6cba8aae36d830b64c53cd3aa0d8ae0ec5686d604564f30ec46b9.exe 31 PID 2112 wrote to memory of 2972 2112 b5bb760b32b6cba8aae36d830b64c53cd3aa0d8ae0ec5686d604564f30ec46b9.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\b5bb760b32b6cba8aae36d830b64c53cd3aa0d8ae0ec5686d604564f30ec46b9.exe"C:\Users\Admin\AppData\Local\Temp\b5bb760b32b6cba8aae36d830b64c53cd3aa0d8ae0ec5686d604564f30ec46b9.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2112 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
PID:2972
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Network
MITRE ATT&CK Enterprise v15
Defense Evasion
Modify Registry
1Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b