Analysis
-
max time kernel
133s -
max time network
301s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
-
submitted
24/05/2024, 00:54
General
-
Target
99ed77594a138de377aa2f032a51ef44e8db6584dca85e0acde90d91c6f230bf.exe
-
Size
2.4MB
-
MD5
591deb3212cb1720fa03640f6257b5dc
-
SHA1
5ffd579886eae9148141746294e2ee3ae922c8cc
-
SHA256
99ed77594a138de377aa2f032a51ef44e8db6584dca85e0acde90d91c6f230bf
-
SHA512
670374e657a9ba7b81d220e4105316707984ce7f5bfac04f97c473d8f8ef65c137f77fbdc9c889490e89d8823bc1c2add4adda4241f34ca64f27af5336e4e573
-
SSDEEP
49152:P9Ay1zb37wq+3GQQvFOsAMSgcCNvQE5qh4OLzooa2ZgEPmBTI7pJLOjq5:ay1/7wq+36FBLNvQvm9n2Zm1wp9Om
Malware Config
Extracted
stealc
Signatures
-
Detect Vidar Stealer 11 IoCs
-
Stealc
Stealc is an infostealer written in C++.
-
Vidar
Vidar is an infostealer based on Arkei stealer.
-
Downloads MZ/PE file
-
Loads dropped DLL 2 IoCs
-
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
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 NtSetInformationThreadHideFromDebugger 10 IoCs
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
-
Delays execution with timeout.exe 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 8 IoCs
-
Suspicious use of SetWindowsHookEx 1 IoCs
-
Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\99ed77594a138de377aa2f032a51ef44e8db6584dca85e0acde90d91c6f230bf.exe"C:\Users\Admin\AppData\Local\Temp\99ed77594a138de377aa2f032a51ef44e8db6584dca85e0acde90d91c6f230bf.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\99ed77594a138de377aa2f032a51ef44e8db6584dca85e0acde90d91c6f230bf.exe" & rd /s /q "C:\ProgramData\BFBGCFCFHCFH" & exit2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\timeout.exetimeout /t 103⤵
- Delays execution with timeout.exe
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2.0MB
MD5a3196b72e39cc4c9bb6286195ec07fd0
SHA1a315739c102020d8832c41c17efd7124eb10c406
SHA2563ad8aeb01d4efdcacbe13b104ec92c325427d54d64a3a859b6d29e3ace2fac0f
SHA5123003d72886cb6d6c3af8af6d18078151e2e78e1bed43ba82ce1c268a722f39723de095a9a629ba63d0f9bd9cc98d6cc71042cfc949b2cd2ebbc1a81e005f1211
-
Filesize
8KB
MD50b32ba08e2eb0e377b35ce5bfb105182
SHA1cebdfe6aaf774946707a4b921f1d4359b6092cf9
SHA25688a8a97ce133e8dab44b0980a20e7376ceaf7015734302824f34d5fbd569c581
SHA5129fdc156eb815628ae4354f1f4b8d4f24989ed56e5e3166c2da1265131718fd80698b47f90c74ca62c706e9d2906e0d1540ceb55a8aa7f60c54c7eb1a4236242b
-
Filesize
46KB
MD502d2c46697e3714e49f46b680b9a6b83
SHA184f98b56d49f01e9b6b76a4e21accf64fd319140
SHA256522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9
SHA51260348a145bfc71b1e07cb35fa79ab5ff472a3d0a557741ea2d39b3772bc395b86e261bd616f65307ae0d997294e49b5548d32f11e86ef3e2704959ca63da8aac
-
Filesize
593B
MD591f5bc87fd478a007ec68c4e8adf11ac
SHA1d07dd49e4ef3b36dad7d038b7e999ae850c5bef6
SHA25692f1246c21dd5fd7266ebfd65798c61e403d01a816cc3cf780db5c8aa2e3d9c9
SHA512fdc2a29b04e67ddbbd8fb6e8d2443e46badcb2b2fb3a850bbd6198cdccc32ee0bd8a9769d929feefe84d1015145e6664ab5fea114df5a864cf963bf98a65ffd9
-
Filesize
78KB
MD5a37ee36b536409056a86f50e67777dd7
SHA11cafa159292aa736fc595fc04e16325b27cd6750
SHA2568934aaeb65b6e6d253dfe72dea5d65856bd871e989d5d3a2a35edfe867bb4825
SHA5123a7c260646315cf8c01f44b2ec60974017496bd0d80dd055c7e43b707cadba2d63aab5e0efd435670aa77886ed86368390d42c4017fc433c3c4b9d1c47d0f356
-
Filesize
439KB
MD55ff1fca37c466d6723ec67be93b51442
SHA134cc4e158092083b13d67d6d2bc9e57b798a303b
SHA2565136a49a682ac8d7f1ce71b211de8688fce42ed57210af087a8e2dbc8a934062
SHA5124802ef62630c521d83a1d333969593fb00c9b38f82b4d07f70fbd21f495fea9b3f67676064573d2c71c42bc6f701992989742213501b16087bb6110e337c7546
-
Filesize
251KB
MD54e52d739c324db8225bd9ab2695f262f
SHA171c3da43dc5a0d2a1941e874a6d015a071783889
SHA25674ebbac956e519e16923abdc5ab8912098a4f64e38ddcb2eae23969f306afe5a
SHA5122d4168a69082a9192b9248f7331bd806c260478ff817567df54f997d7c3c7d640776131355401e4bdb9744e246c36d658cb24b18de67d8f23f10066e5fe445f6
-
Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
-
Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
-
Filesize
12.0MB
-
Filesize
12.0MB
-
Filesize
12.0MB
-
Filesize
12.0MB
-
Filesize
12.0MB
-
Filesize
12.0MB
-
Filesize
12.0MB
-
Filesize
12.0MB
-
Filesize
12.0MB
-
Filesize
12.0MB
-
Filesize
12.0MB
-
Filesize
12.0MB
-
Filesize
2.4MB
-
Filesize
3.8MB