Analysis
-
max time kernel
96s -
max time network
97s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
30-09-2024 01:05
Static task
static1
Behavioral task
behavioral1
Sample
4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe
Resource
win10v2004-20240802-en
General
-
Target
4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe
-
Size
404KB
-
MD5
44723eb5e4cd0352241c74aeb4fa93e8
-
SHA1
4f120f480442a2525bccd5babee3a69a2128a959
-
SHA256
4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95
-
SHA512
c1b7293cb2392d0a9eaa4176bb0d39aa474dcf4f8a091b5bcdb8fc9b98456cf1911cb222ab28afb2693d7318e89f6829e5c3fa5ab62ebe73833f166bccf2746f
-
SSDEEP
12288:P3bdKBAAppjvKSXXTc6LZbV/ySx4aJLeMUKqbLT2EO:PLpApp+8oOZ5/yXXz2t
Malware Config
Extracted
vidar
11
b0c01908675d7347615657c21fb618e6
https://t.me/jamsemlg
https://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0
Extracted
lumma
Extracted
vidar
11
a669a86f8433a1e88901711c0f772c97
https://t.me/jamsemlg
https://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0
Extracted
lumma
https://possiwreeste.site/api
https://underlinemdsj.site/api
https://chaptermusu.store/api
Signatures
-
Detect Vidar Stealer 21 IoCs
resource yara_rule behavioral2/memory/1992-3-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1992-6-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1992-8-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1992-15-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1992-16-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1992-32-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1992-33-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1992-49-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1992-50-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3248-57-0x0000000075230000-0x00000000759E0000-memory.dmp family_vidar_v7 behavioral2/memory/1992-75-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1992-76-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1992-83-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1992-84-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4604-126-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4604-128-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4604-124-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4604-131-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4604-132-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4604-148-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4604-149-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation RegAsm.exe -
Executes dropped EXE 2 IoCs
pid Process 1644 KJDGIJECFI.exe 4208 FHJEGIIEGI.exe -
Loads dropped DLL 2 IoCs
pid Process 1992 RegAsm.exe 1992 RegAsm.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
-
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 3248 set thread context of 1992 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 88 PID 1644 set thread context of 936 1644 KJDGIJECFI.exe 99 PID 4208 set thread context of 4604 4208 FHJEGIIEGI.exe 102 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 8 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 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language KJDGIJECFI.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language FHJEGIIEGI.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 4 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 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 4252 timeout.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 1992 RegAsm.exe 1992 RegAsm.exe 1992 RegAsm.exe 1992 RegAsm.exe 1992 RegAsm.exe 1992 RegAsm.exe 1992 RegAsm.exe 1992 RegAsm.exe 4604 RegAsm.exe 4604 RegAsm.exe 4604 RegAsm.exe 4604 RegAsm.exe -
Suspicious use of WriteProcessMemory 56 IoCs
description pid Process procid_target PID 3248 wrote to memory of 3204 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 83 PID 3248 wrote to memory of 3204 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 83 PID 3248 wrote to memory of 3204 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 83 PID 3248 wrote to memory of 3736 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 84 PID 3248 wrote to memory of 3736 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 84 PID 3248 wrote to memory of 3736 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 84 PID 3248 wrote to memory of 3288 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 85 PID 3248 wrote to memory of 3288 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 85 PID 3248 wrote to memory of 3288 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 85 PID 3248 wrote to memory of 1332 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 86 PID 3248 wrote to memory of 1332 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 86 PID 3248 wrote to memory of 1332 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 86 PID 3248 wrote to memory of 4256 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 87 PID 3248 wrote to memory of 4256 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 87 PID 3248 wrote to memory of 4256 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 87 PID 3248 wrote to memory of 1992 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 88 PID 3248 wrote to memory of 1992 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 88 PID 3248 wrote to memory of 1992 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 88 PID 3248 wrote to memory of 1992 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 88 PID 3248 wrote to memory of 1992 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 88 PID 3248 wrote to memory of 1992 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 88 PID 3248 wrote to memory of 1992 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 88 PID 3248 wrote to memory of 1992 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 88 PID 3248 wrote to memory of 1992 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 88 PID 3248 wrote to memory of 1992 3248 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe 88 PID 1992 wrote to memory of 1644 1992 RegAsm.exe 96 PID 1992 wrote to memory of 1644 1992 RegAsm.exe 96 PID 1992 wrote to memory of 1644 1992 RegAsm.exe 96 PID 1644 wrote to memory of 936 1644 KJDGIJECFI.exe 99 PID 1644 wrote to memory of 936 1644 KJDGIJECFI.exe 99 PID 1644 wrote to memory of 936 1644 KJDGIJECFI.exe 99 PID 1644 wrote to memory of 936 1644 KJDGIJECFI.exe 99 PID 1644 wrote to memory of 936 1644 KJDGIJECFI.exe 99 PID 1644 wrote to memory of 936 1644 KJDGIJECFI.exe 99 PID 1644 wrote to memory of 936 1644 KJDGIJECFI.exe 99 PID 1644 wrote to memory of 936 1644 KJDGIJECFI.exe 99 PID 1644 wrote to memory of 936 1644 KJDGIJECFI.exe 99 PID 1992 wrote to memory of 4208 1992 RegAsm.exe 100 PID 1992 wrote to memory of 4208 1992 RegAsm.exe 100 PID 1992 wrote to memory of 4208 1992 RegAsm.exe 100 PID 4208 wrote to memory of 4604 4208 FHJEGIIEGI.exe 102 PID 4208 wrote to memory of 4604 4208 FHJEGIIEGI.exe 102 PID 4208 wrote to memory of 4604 4208 FHJEGIIEGI.exe 102 PID 4208 wrote to memory of 4604 4208 FHJEGIIEGI.exe 102 PID 4208 wrote to memory of 4604 4208 FHJEGIIEGI.exe 102 PID 4208 wrote to memory of 4604 4208 FHJEGIIEGI.exe 102 PID 4208 wrote to memory of 4604 4208 FHJEGIIEGI.exe 102 PID 4208 wrote to memory of 4604 4208 FHJEGIIEGI.exe 102 PID 4208 wrote to memory of 4604 4208 FHJEGIIEGI.exe 102 PID 4208 wrote to memory of 4604 4208 FHJEGIIEGI.exe 102 PID 1992 wrote to memory of 3064 1992 RegAsm.exe 103 PID 1992 wrote to memory of 3064 1992 RegAsm.exe 103 PID 1992 wrote to memory of 3064 1992 RegAsm.exe 103 PID 3064 wrote to memory of 4252 3064 cmd.exe 105 PID 3064 wrote to memory of 4252 3064 cmd.exe 105 PID 3064 wrote to memory of 4252 3064 cmd.exe 105
Processes
-
C:\Users\Admin\AppData\Local\Temp\4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe"C:\Users\Admin\AppData\Local\Temp\4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3248 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:3204
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:3736
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:3288
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:1332
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:4256
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Checks computer location settings
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1992 -
C:\ProgramData\KJDGIJECFI.exe"C:\ProgramData\KJDGIJECFI.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1644 -
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:936
-
-
-
C:\ProgramData\FHJEGIIEGI.exe"C:\ProgramData\FHJEGIIEGI.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4208 -
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
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4604
-
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FHJEGIIEGIDG" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3064 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:4252
-
-
-
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
4Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
160KB
MD5f310cf1ff562ae14449e0167a3e1fe46
SHA185c58afa9049467031c6c2b17f5c12ca73bb2788
SHA256e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855
SHA5121196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad
-
Filesize
404KB
MD5ad0e0451229105c930c40e9ab4ace88b
SHA113ea9b9049786c5c71cbc28da987b51ca219442d
SHA25686872a1819f9de7920a6f390f7a5ac5e3f838a3bfc5aac08496b971cad78a783
SHA512595da416f69d3e0b768622932bf4e37cf690c8b3a6099321314abfb68ebb66f9c437c1dc1ec13e305af76a5174826c02649748272db5b05b571baabf4f3afcec
-
Filesize
371KB
MD5ef2d9238d30f4857b7ecf50694959c83
SHA1c06bfb85533d2fb2fa7f44d8fd9a58423793d55c
SHA256d26a4f1cc1c1a80477122de0446aa7a669f91c70b34a167f89549ee569eaf53e
SHA51294f281f8b8c88f53acd364488c5cc72549d3d90827c4239a0f7d8c1c81e253b9fa5cd8b26eeb65aaef10b4ca9f264f99ac366c56b052fd8ea91543782e51dc02
-
Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
-
Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571