Resubmissions
21-09-2024 22:18
240921-18dcpsxbqc 1021-09-2024 22:18
240921-179draxbph 1021-09-2024 21:32
240921-1dpggsvflp 10Analysis
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max time kernel
429s -
max time network
431s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21-09-2024 22:18
Static task
static1
Behavioral task
behavioral1
Sample
66eef0cc8034a_sdgdfs.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
66eef0cc8034a_sdgdfs.exe
Resource
win10v2004-20240802-en
General
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Target
66eef0cc8034a_sdgdfs.exe
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Size
216KB
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MD5
9a29528b1463ae389bd3e03e4e686a56
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SHA1
0cefb61f8615c6ed5606360db20adecdedf4c59c
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SHA256
a0add2ff01fd0b1c7a259a9b0f0bdee713a7edbbf12fa18820fc95a373254e3b
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SHA512
34743dd19630de9802258476e6c9aacd14b7338c9e1c22c0369e759844b3248570b272c7edbc89079fe5eb8f375c7e2680e71f88ab5b8a4c01ba4d7ef116f9ae
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SSDEEP
6144:mebX1UAoZZJAttlJ7VTUEioaTwfyhv3pVdPRigEO:mejOA0ZJutHNI106hfpRhEO
Malware Config
Extracted
stealc
default
http://46.8.231.109
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url_path
/c4754d4f680ead72.php
Extracted
vidar
11
3a15237aa92dcd8ccca447211fb5fc2a
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://appleboltelwk.shop/api
Signatures
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Detect Vidar Stealer 13 IoCs
resource yara_rule behavioral2/memory/3948-116-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3948-121-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3948-120-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3948-131-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3948-132-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3948-147-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3948-148-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3948-164-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3948-165-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3948-195-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3948-196-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3948-203-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/3948-204-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Downloads MZ/PE file
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation RegAsm.exe Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation RegAsm.exe -
Executes dropped EXE 3 IoCs
pid Process 1348 AdminBAEBFIIECB.exe 2528 AdminHDAFIIDAKJ.exe 1340 KKFBAAFCGI.exe -
Loads dropped DLL 4 IoCs
pid Process 4892 RegAsm.exe 4892 RegAsm.exe 3948 RegAsm.exe 3948 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 2 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 4 IoCs
description pid Process procid_target PID 4260 set thread context of 4892 4260 66eef0cc8034a_sdgdfs.exe 83 PID 1348 set thread context of 1400 1348 AdminBAEBFIIECB.exe 95 PID 2528 set thread context of 3948 2528 AdminHDAFIIDAKJ.exe 101 PID 1340 set thread context of 2420 1340 KKFBAAFCGI.exe 109 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
pid pid_target Process procid_target 4460 1400 WerFault.exe 95 4028 2420 WerFault.exe 109 -
System Location Discovery: System Language Discovery 1 TTPs 12 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language KKFBAAFCGI.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 66eef0cc8034a_sdgdfs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AdminBAEBFIIECB.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AdminHDAFIIDAKJ.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.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 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 Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2468 timeout.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4892 RegAsm.exe 4892 RegAsm.exe 4892 RegAsm.exe 4892 RegAsm.exe 3948 RegAsm.exe 3948 RegAsm.exe 3948 RegAsm.exe 3948 RegAsm.exe 3948 RegAsm.exe 3948 RegAsm.exe 3948 RegAsm.exe 3948 RegAsm.exe -
Suspicious use of WriteProcessMemory 58 IoCs
description pid Process procid_target PID 4260 wrote to memory of 4892 4260 66eef0cc8034a_sdgdfs.exe 83 PID 4260 wrote to memory of 4892 4260 66eef0cc8034a_sdgdfs.exe 83 PID 4260 wrote to memory of 4892 4260 66eef0cc8034a_sdgdfs.exe 83 PID 4260 wrote to memory of 4892 4260 66eef0cc8034a_sdgdfs.exe 83 PID 4260 wrote to memory of 4892 4260 66eef0cc8034a_sdgdfs.exe 83 PID 4260 wrote to memory of 4892 4260 66eef0cc8034a_sdgdfs.exe 83 PID 4260 wrote to memory of 4892 4260 66eef0cc8034a_sdgdfs.exe 83 PID 4260 wrote to memory of 4892 4260 66eef0cc8034a_sdgdfs.exe 83 PID 4260 wrote to memory of 4892 4260 66eef0cc8034a_sdgdfs.exe 83 PID 4892 wrote to memory of 2468 4892 RegAsm.exe 91 PID 4892 wrote to memory of 2468 4892 RegAsm.exe 91 PID 4892 wrote to memory of 2468 4892 RegAsm.exe 91 PID 2468 wrote to memory of 1348 2468 cmd.exe 93 PID 2468 wrote to memory of 1348 2468 cmd.exe 93 PID 2468 wrote to memory of 1348 2468 cmd.exe 93 PID 1348 wrote to memory of 1400 1348 AdminBAEBFIIECB.exe 95 PID 1348 wrote to memory of 1400 1348 AdminBAEBFIIECB.exe 95 PID 1348 wrote to memory of 1400 1348 AdminBAEBFIIECB.exe 95 PID 1348 wrote to memory of 1400 1348 AdminBAEBFIIECB.exe 95 PID 1348 wrote to memory of 1400 1348 AdminBAEBFIIECB.exe 95 PID 1348 wrote to memory of 1400 1348 AdminBAEBFIIECB.exe 95 PID 1348 wrote to memory of 1400 1348 AdminBAEBFIIECB.exe 95 PID 1348 wrote to memory of 1400 1348 AdminBAEBFIIECB.exe 95 PID 1348 wrote to memory of 1400 1348 AdminBAEBFIIECB.exe 95 PID 4892 wrote to memory of 3516 4892 RegAsm.exe 96 PID 4892 wrote to memory of 3516 4892 RegAsm.exe 96 PID 4892 wrote to memory of 3516 4892 RegAsm.exe 96 PID 3516 wrote to memory of 2528 3516 cmd.exe 98 PID 3516 wrote to memory of 2528 3516 cmd.exe 98 PID 3516 wrote to memory of 2528 3516 cmd.exe 98 PID 2528 wrote to memory of 3948 2528 AdminHDAFIIDAKJ.exe 101 PID 2528 wrote to memory of 3948 2528 AdminHDAFIIDAKJ.exe 101 PID 2528 wrote to memory of 3948 2528 AdminHDAFIIDAKJ.exe 101 PID 2528 wrote to memory of 3948 2528 AdminHDAFIIDAKJ.exe 101 PID 2528 wrote to memory of 3948 2528 AdminHDAFIIDAKJ.exe 101 PID 2528 wrote to memory of 3948 2528 AdminHDAFIIDAKJ.exe 101 PID 2528 wrote to memory of 3948 2528 AdminHDAFIIDAKJ.exe 101 PID 2528 wrote to memory of 3948 2528 AdminHDAFIIDAKJ.exe 101 PID 2528 wrote to memory of 3948 2528 AdminHDAFIIDAKJ.exe 101 PID 2528 wrote to memory of 3948 2528 AdminHDAFIIDAKJ.exe 101 PID 3948 wrote to memory of 1340 3948 RegAsm.exe 106 PID 3948 wrote to memory of 1340 3948 RegAsm.exe 106 PID 3948 wrote to memory of 1340 3948 RegAsm.exe 106 PID 1340 wrote to memory of 2420 1340 KKFBAAFCGI.exe 109 PID 1340 wrote to memory of 2420 1340 KKFBAAFCGI.exe 109 PID 1340 wrote to memory of 2420 1340 KKFBAAFCGI.exe 109 PID 1340 wrote to memory of 2420 1340 KKFBAAFCGI.exe 109 PID 1340 wrote to memory of 2420 1340 KKFBAAFCGI.exe 109 PID 1340 wrote to memory of 2420 1340 KKFBAAFCGI.exe 109 PID 1340 wrote to memory of 2420 1340 KKFBAAFCGI.exe 109 PID 1340 wrote to memory of 2420 1340 KKFBAAFCGI.exe 109 PID 1340 wrote to memory of 2420 1340 KKFBAAFCGI.exe 109 PID 3948 wrote to memory of 3736 3948 RegAsm.exe 112 PID 3948 wrote to memory of 3736 3948 RegAsm.exe 112 PID 3948 wrote to memory of 3736 3948 RegAsm.exe 112 PID 3736 wrote to memory of 2468 3736 cmd.exe 114 PID 3736 wrote to memory of 2468 3736 cmd.exe 114 PID 3736 wrote to memory of 2468 3736 cmd.exe 114
Processes
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C:\Users\Admin\AppData\Local\Temp\66eef0cc8034a_sdgdfs.exe"C:\Users\Admin\AppData\Local\Temp\66eef0cc8034a_sdgdfs.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4260 -
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:4892 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminBAEBFIIECB.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2468 -
C:\Users\AdminBAEBFIIECB.exe"C:\Users\AdminBAEBFIIECB.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1348 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"5⤵
- System Location Discovery: System Language Discovery
PID:1400 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1400 -s 13766⤵
- Program crash
PID:4460
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminHDAFIIDAKJ.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3516 -
C:\Users\AdminHDAFIIDAKJ.exe"C:\Users\AdminHDAFIIDAKJ.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2528 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"5⤵
- 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:3948 -
C:\ProgramData\KKFBAAFCGI.exe"C:\ProgramData\KKFBAAFCGI.exe"6⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1340 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"7⤵
- System Location Discovery: System Language Discovery
PID:2420 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2420 -s 13568⤵
- Program crash
PID:4028
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BFHDAEHDAKEC" & exit6⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3736 -
C:\Windows\SysWOW64\timeout.exetimeout /t 107⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2468
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1400 -ip 14001⤵PID:1960
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2420 -ip 24201⤵PID:4464
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
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Filesize
116KB
MD5f70aa3fa04f0536280f872ad17973c3d
SHA150a7b889329a92de1b272d0ecf5fce87395d3123
SHA2568d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
SHA51230675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84
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Filesize
114KB
MD5e110cbe124e96c721e3839076f73aa99
SHA102c668c17c7fae5613073e9641bc9bcff96c65a0
SHA256a793f3d212f395bfc8973231a22a6013c0e334443aa4172a8b5d611bb0f378a7
SHA5128d91ff245f703e5dbee68085e9ca0de4b2fc044befcf79977f46bb8bfd908fa0e22ec0dd6a2b400e9ff447f888b550635ed82ebda18575d17b1f3d478a45f5dc
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Filesize
11KB
MD5ad85b616aeefd1433ca2fd4e0b0abd2a
SHA14bbb2f127f82d0e833441285ab88ecb0b6472caf
SHA2562142306e33671dcd4f50fd1cbb7a1dbda4f3fa748c83c5079a58ed578a9d2305
SHA5120010454c1dc1d08f8c91950adbc8b287677ffbf74745c9b645173e45ed351964e87c75f823172a1cc9666fe840eaccaef089e0976379806cdd5f34c917d325a7
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Filesize
669KB
MD5550686c0ee48c386dfcb40199bd076ac
SHA1ee5134da4d3efcb466081fb6197be5e12a5b22ab
SHA256edd043f2005dbd5902fc421eabb9472a7266950c5cbaca34e2d590b17d12f5fa
SHA5120b7f47af883b99f9fbdc08020446b58f2f3fa55292fd9bc78fc967dd35bdd8bd549802722de37668cc89ede61b20359190efbfdf026ae2bdc854f4740a54649e
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
439KB
MD55ff1fca37c466d6723ec67be93b51442
SHA134cc4e158092083b13d67d6d2bc9e57b798a303b
SHA2565136a49a682ac8d7f1ce71b211de8688fce42ed57210af087a8e2dbc8a934062
SHA5124802ef62630c521d83a1d333969593fb00c9b38f82b4d07f70fbd21f495fea9b3f67676064573d2c71c42bc6f701992989742213501b16087bb6110e337c7546
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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Filesize
251KB
MD54e52d739c324db8225bd9ab2695f262f
SHA171c3da43dc5a0d2a1941e874a6d015a071783889
SHA25674ebbac956e519e16923abdc5ab8912098a4f64e38ddcb2eae23969f306afe5a
SHA5122d4168a69082a9192b9248f7331bd806c260478ff817567df54f997d7c3c7d640776131355401e4bdb9744e246c36d658cb24b18de67d8f23f10066e5fe445f6
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Filesize
78KB
MD5a37ee36b536409056a86f50e67777dd7
SHA11cafa159292aa736fc595fc04e16325b27cd6750
SHA2568934aaeb65b6e6d253dfe72dea5d65856bd871e989d5d3a2a35edfe867bb4825
SHA5123a7c260646315cf8c01f44b2ec60974017496bd0d80dd055c7e43b707cadba2d63aab5e0efd435670aa77886ed86368390d42c4017fc433c3c4b9d1c47d0f356
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Filesize
381KB
MD5f5a1956973dce107d4c0b6267ce88870
SHA179a19513d7c9cff939f2881c4172a05dbaef735b
SHA2567b794c5bdb820791f0359da90a9a4f258412b8feef9c6e6a0411f6aead9d3a04
SHA512f42180c75c0ae8dc083c6fff98a66c0d875fadb400d7945816ea330a54777632a3a7752d3e78b90e45f58ed3d04d6708b1dcea51d82711356e6d14e405a7c579
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Filesize
413KB
MD576b81bbaa929e92a0885267869e62fdf
SHA116ee3b53fd9d0fe6bd7fc75ac961a21bfd9fae51
SHA256f59f82ea9cbaa95389bbec5f80b427daa2e575c2827eaaede006590810809f9c
SHA51267d4fb8ed2c767871a307c54fddc86fa4df07ccfa943eeb61e6e8960c4038fb8a38118a69cbb7a6364dde6c11fd3139b8c5f91e029a437dad0d39202383ac3cd