Analysis
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max time kernel
118s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
03-10-2024 04:03
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20240802-en
General
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Target
file.exe
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Size
413KB
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MD5
0ae9f01e5eded4004ce4c0cd58855253
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SHA1
780fa2c7b214595373e58216ddefbfec9775cc15
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SHA256
6ff9f4b5d76aede34c9c3fc672db0b02b63291630f6b8328c32b593a8ca594ba
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SHA512
560e7d75a0b3a4d6123cb404ff6982041669b3f9e0d714f6c33ee282ab93bcff134f242091dbd023d7b0bb06d9cadb82d0699e9b35657e3eb851b683d6df3097
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SSDEEP
12288:npEm3MtV6dpdRW/0L3Yl6mpOgP+3a6ONRrnEO:nph3MtV6x08L3Y/1+30jt
Malware Config
Extracted
vidar
11
b74ef0d8ce56e494b0d83e1d5be9dbeb
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
Extracted
lumma
Signatures
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Detect Vidar Stealer 14 IoCs
resource yara_rule behavioral1/memory/2748-15-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2748-13-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2748-10-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2748-9-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2748-8-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2748-18-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2748-159-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2748-183-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2748-212-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2748-238-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2748-362-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2748-381-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2748-424-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2748-443-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 1836 DAAAFBKECA.exe -
Loads dropped DLL 5 IoCs
pid Process 2748 RegAsm.exe 2748 RegAsm.exe 2748 RegAsm.exe 2748 RegAsm.exe 2748 RegAsm.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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 2 IoCs
description pid Process procid_target PID 2784 set thread context of 2748 2784 file.exe 31 PID 1836 set thread context of 1100 1836 DAAAFBKECA.exe 36 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 940 1100 WerFault.exe 36 -
System Location Discovery: System Language Discovery 1 TTPs 6 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 file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DAAAFBKECA.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.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 opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2004 timeout.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 6 IoCs
pid Process 2748 RegAsm.exe 2748 RegAsm.exe 2748 RegAsm.exe 2748 RegAsm.exe 2748 RegAsm.exe 2748 RegAsm.exe -
Suspicious use of WriteProcessMemory 43 IoCs
description pid Process procid_target PID 2784 wrote to memory of 2748 2784 file.exe 31 PID 2784 wrote to memory of 2748 2784 file.exe 31 PID 2784 wrote to memory of 2748 2784 file.exe 31 PID 2784 wrote to memory of 2748 2784 file.exe 31 PID 2784 wrote to memory of 2748 2784 file.exe 31 PID 2784 wrote to memory of 2748 2784 file.exe 31 PID 2784 wrote to memory of 2748 2784 file.exe 31 PID 2784 wrote to memory of 2748 2784 file.exe 31 PID 2784 wrote to memory of 2748 2784 file.exe 31 PID 2784 wrote to memory of 2748 2784 file.exe 31 PID 2784 wrote to memory of 2748 2784 file.exe 31 PID 2784 wrote to memory of 2748 2784 file.exe 31 PID 2784 wrote to memory of 2748 2784 file.exe 31 PID 2784 wrote to memory of 2748 2784 file.exe 31 PID 2748 wrote to memory of 1836 2748 RegAsm.exe 34 PID 2748 wrote to memory of 1836 2748 RegAsm.exe 34 PID 2748 wrote to memory of 1836 2748 RegAsm.exe 34 PID 2748 wrote to memory of 1836 2748 RegAsm.exe 34 PID 1836 wrote to memory of 1100 1836 DAAAFBKECA.exe 36 PID 1836 wrote to memory of 1100 1836 DAAAFBKECA.exe 36 PID 1836 wrote to memory of 1100 1836 DAAAFBKECA.exe 36 PID 1836 wrote to memory of 1100 1836 DAAAFBKECA.exe 36 PID 1836 wrote to memory of 1100 1836 DAAAFBKECA.exe 36 PID 1836 wrote to memory of 1100 1836 DAAAFBKECA.exe 36 PID 1836 wrote to memory of 1100 1836 DAAAFBKECA.exe 36 PID 1836 wrote to memory of 1100 1836 DAAAFBKECA.exe 36 PID 1836 wrote to memory of 1100 1836 DAAAFBKECA.exe 36 PID 1836 wrote to memory of 1100 1836 DAAAFBKECA.exe 36 PID 1836 wrote to memory of 1100 1836 DAAAFBKECA.exe 36 PID 1836 wrote to memory of 1100 1836 DAAAFBKECA.exe 36 PID 1836 wrote to memory of 1100 1836 DAAAFBKECA.exe 36 PID 1100 wrote to memory of 940 1100 RegAsm.exe 37 PID 1100 wrote to memory of 940 1100 RegAsm.exe 37 PID 1100 wrote to memory of 940 1100 RegAsm.exe 37 PID 1100 wrote to memory of 940 1100 RegAsm.exe 37 PID 2748 wrote to memory of 2868 2748 RegAsm.exe 38 PID 2748 wrote to memory of 2868 2748 RegAsm.exe 38 PID 2748 wrote to memory of 2868 2748 RegAsm.exe 38 PID 2748 wrote to memory of 2868 2748 RegAsm.exe 38 PID 2868 wrote to memory of 2004 2868 cmd.exe 40 PID 2868 wrote to memory of 2004 2868 cmd.exe 40 PID 2868 wrote to memory of 2004 2868 cmd.exe 40 PID 2868 wrote to memory of 2004 2868 cmd.exe 40
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2784 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2748 -
C:\ProgramData\DAAAFBKECA.exe"C:\ProgramData\DAAAFBKECA.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1836 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1100 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1100 -s 2565⤵
- Program crash
PID:940
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\GCBGCAFIIECB" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2868 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2004
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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
4Credentials In Files
4Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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Filesize
381KB
MD5be9e376d9bab656b145a7c8316636903
SHA1d203d8c541918496d75c6c36c43df8e98cd8aef8
SHA25643dd8fcf131f4b471d17cbbcf8bd7c0e3c9354d9727e8fe4a8cd763029e4d98c
SHA5123baff4f6d869f97b4d6d6e1406074b4ee9e227f40ac3234504d4540dd9b4098a7cd9d12083d92df4dd88389166779a67cb9d06257b635674aea21641083e9bbc
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571