Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
28-09-2024 09:54
Static task
static1
Behavioral task
behavioral1
Sample
ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe
Resource
win10v2004-20240802-en
General
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Target
ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe
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Size
5.4MB
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MD5
cb001c3f82f9c3386ac03c2718f69ca4
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SHA1
4cdf57dcdeb3c3ebbac40f7b5d8846da1a9b3f46
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SHA256
ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5
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SHA512
42508b96b9339e37766c25b4d826a4b5f2883ace5f51964f70457d33b636bfa1c1421a22751ec0bd856471fb85510512b48ca3486f5593a3720a6582d30f647e
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SSDEEP
98304:sZVMlgGcASSOZMajAIuvkD2Lec3PYs7ecbwJMpjva81bkKyNTR1eXzs0cF:AMaGwEaj4vxeMQmecbuTRkzs5
Malware Config
Extracted
vidar
11
adff67a4d89d160d64a32272a3076979
https://t.me/jamsemlg
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
https://reinforcenh.shop/api
https://stogeneratmns.shop/api
https://fragnantbui.shop/api
https://drawzhotdog.shop/api
https://vozmeatillu.shop/api
https://offensivedzvju.shop/api
https://ghostreedmnu.shop/api
https://gutterydhowi.shop/api
Extracted
lumma
https://offensivedzvju.shop/api
Signatures
-
Detect Vidar Stealer 12 IoCs
resource yara_rule behavioral1/memory/2076-8-0x0000000000400000-0x0000000000B77000-memory.dmp family_vidar_v7 behavioral1/memory/2076-7-0x0000000000400000-0x0000000000B77000-memory.dmp family_vidar_v7 behavioral1/memory/2076-9-0x0000000000400000-0x0000000000B77000-memory.dmp family_vidar_v7 behavioral1/memory/2076-14-0x0000000000400000-0x0000000000B77000-memory.dmp family_vidar_v7 behavioral1/memory/2076-12-0x0000000000400000-0x0000000000B77000-memory.dmp family_vidar_v7 behavioral1/memory/2076-17-0x0000000000400000-0x0000000000B77000-memory.dmp family_vidar_v7 behavioral1/memory/2076-163-0x0000000000400000-0x0000000000B77000-memory.dmp family_vidar_v7 behavioral1/memory/2076-182-0x0000000000400000-0x0000000000B77000-memory.dmp family_vidar_v7 behavioral1/memory/2076-205-0x0000000000400000-0x0000000000B77000-memory.dmp family_vidar_v7 behavioral1/memory/2076-224-0x0000000000400000-0x0000000000B77000-memory.dmp family_vidar_v7 behavioral1/memory/2076-278-0x0000000000400000-0x0000000000B77000-memory.dmp family_vidar_v7 behavioral1/memory/2076-297-0x0000000000400000-0x0000000000B77000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 2984 AKFHDBFIDA.exe -
Loads dropped DLL 4 IoCs
pid Process 2076 RegAsm.exe 2076 RegAsm.exe 2076 RegAsm.exe 2076 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 1688 set thread context of 2076 1688 ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe 29 PID 2984 set thread context of 1244 2984 AKFHDBFIDA.exe 34 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AKFHDBFIDA.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 2756 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 4 IoCs
pid Process 2076 RegAsm.exe 2076 RegAsm.exe 2076 RegAsm.exe 2076 RegAsm.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1688 wrote to memory of 2076 1688 ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe 29 PID 1688 wrote to memory of 2076 1688 ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe 29 PID 1688 wrote to memory of 2076 1688 ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe 29 PID 1688 wrote to memory of 2076 1688 ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe 29 PID 1688 wrote to memory of 2076 1688 ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe 29 PID 1688 wrote to memory of 2076 1688 ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe 29 PID 1688 wrote to memory of 2076 1688 ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe 29 PID 1688 wrote to memory of 2076 1688 ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe 29 PID 1688 wrote to memory of 2076 1688 ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe 29 PID 1688 wrote to memory of 2076 1688 ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe 29 PID 1688 wrote to memory of 2076 1688 ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe 29 PID 1688 wrote to memory of 2076 1688 ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe 29 PID 1688 wrote to memory of 2076 1688 ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe 29 PID 1688 wrote to memory of 2076 1688 ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe 29 PID 2076 wrote to memory of 2984 2076 RegAsm.exe 32 PID 2076 wrote to memory of 2984 2076 RegAsm.exe 32 PID 2076 wrote to memory of 2984 2076 RegAsm.exe 32 PID 2076 wrote to memory of 2984 2076 RegAsm.exe 32 PID 2984 wrote to memory of 1244 2984 AKFHDBFIDA.exe 34 PID 2984 wrote to memory of 1244 2984 AKFHDBFIDA.exe 34 PID 2984 wrote to memory of 1244 2984 AKFHDBFIDA.exe 34 PID 2984 wrote to memory of 1244 2984 AKFHDBFIDA.exe 34 PID 2984 wrote to memory of 1244 2984 AKFHDBFIDA.exe 34 PID 2984 wrote to memory of 1244 2984 AKFHDBFIDA.exe 34 PID 2984 wrote to memory of 1244 2984 AKFHDBFIDA.exe 34 PID 2984 wrote to memory of 1244 2984 AKFHDBFIDA.exe 34 PID 2984 wrote to memory of 1244 2984 AKFHDBFIDA.exe 34 PID 2984 wrote to memory of 1244 2984 AKFHDBFIDA.exe 34 PID 2984 wrote to memory of 1244 2984 AKFHDBFIDA.exe 34 PID 2984 wrote to memory of 1244 2984 AKFHDBFIDA.exe 34 PID 2984 wrote to memory of 1244 2984 AKFHDBFIDA.exe 34 PID 2076 wrote to memory of 1820 2076 RegAsm.exe 35 PID 2076 wrote to memory of 1820 2076 RegAsm.exe 35 PID 2076 wrote to memory of 1820 2076 RegAsm.exe 35 PID 2076 wrote to memory of 1820 2076 RegAsm.exe 35 PID 1820 wrote to memory of 2756 1820 cmd.exe 37 PID 1820 wrote to memory of 2756 1820 cmd.exe 37 PID 1820 wrote to memory of 2756 1820 cmd.exe 37 PID 1820 wrote to memory of 2756 1820 cmd.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe"C:\Users\Admin\AppData\Local\Temp\ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1688 -
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:2076 -
C:\ProgramData\AKFHDBFIDA.exe"C:\ProgramData\AKFHDBFIDA.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2984 -
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
PID:1244
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IDHCGDAFBKFI" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1820 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2756
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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
371KB
MD5687846a623c1fe1da95f0fa2fe4479df
SHA16609d10980800b669e723d4c660c421e27695a29
SHA256bfc7b367d52504b184d127e385219006c1efc7e985d608c000e5eb3a204fc779
SHA512fe150d4f02532ca3d5aa37c6d14741a0a9c0290854ac6924da282ad6585b47bf98e8443aa4281ea89788b8e906f8d11d49b3e88a11e10d4d67b6e2605004a9c3