Analysis
- max time kernel
142s - max time network
130s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
11/08/2024, 04:03
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20240802-en
General
- Target file.exe
- Size 9.3MB
- Sample240811-emcndsyblc
- SHA256 e603e36cae3f0fa9badbeaeff8fb0becb1ed444776892db76cd8d219e2ba92bd
- MD5 dd9a8bbd0b8038552cb57b07a56f0ae2
- SHA1 0f4a5f36b7f29f9012f73595594c564b574df9ee
- SHA512 1d215eae3e854b04e8fe4d2f3119c9308882f5c2f4125183ca21e034c7be6da0a6549aacb0880900e667cb2ee3b1a29aabef24a17bdec83e1a415038664b2b64
- SSDEEP 196608:Jpz9fBq0j8nLcDEWbmuSrparTKQiwiYAwE5H:fHctDHQziYU5H
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
vidar
-
https://steamcommunity.com/profiles/76561199751190313
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https://t.me/pech0nk
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user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36
Signatures
- Detect Vidar Stealer 5 IoCs
resource yara_rule behavioral2/memory/1060-69-0x0000000000400000-0x0000000000B44000-memory.dmp family_vidar_v7 behavioral2/memory/1060-67-0x0000000000400000-0x0000000000B44000-memory.dmp family_vidar_v7 behavioral2/memory/1060-72-0x0000000000400000-0x0000000000B44000-memory.dmp family_vidar_v7 behavioral2/memory/1060-77-0x0000000000400000-0x0000000000B44000-memory.dmp family_vidar_v7 behavioral2/memory/1060-161-0x0000000000400000-0x0000000000B44000-memory.dmp family_vidar_v7 - Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3772 set thread context of 1060 3772 file.exe 96 - System Location Discovery: System Language Discovery 1 TTPs 4 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 MSBuild.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 file.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 MSBuild.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString MSBuild.exe - Delays execution with timeout.exe 1 IoCs
pid Process 228 timeout.exe - Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3772 file.exe 3772 file.exe 3772 file.exe 3772 file.exe 1060 MSBuild.exe 1060 MSBuild.exe 1060 MSBuild.exe 1060 MSBuild.exe 1060 MSBuild.exe 1060 MSBuild.exe 1060 MSBuild.exe 1060 MSBuild.exe 1060 MSBuild.exe 1060 MSBuild.exe 1060 MSBuild.exe 1060 MSBuild.exe 1060 MSBuild.exe 1060 MSBuild.exe 1060 MSBuild.exe 1060 MSBuild.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3772 file.exe - Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 3772 wrote to memory of 2536 3772 file.exe 94 PID 3772 wrote to memory of 2536 3772 file.exe 94 PID 3772 wrote to memory of 2536 3772 file.exe 94 PID 3772 wrote to memory of 1524 3772 file.exe 95 PID 3772 wrote to memory of 1524 3772 file.exe 95 PID 3772 wrote to memory of 1524 3772 file.exe 95 PID 3772 wrote to memory of 1060 3772 file.exe 96 PID 3772 wrote to memory of 1060 3772 file.exe 96 PID 3772 wrote to memory of 1060 3772 file.exe 96 PID 3772 wrote to memory of 1060 3772 file.exe 96 PID 3772 wrote to memory of 1060 3772 file.exe 96 PID 3772 wrote to memory of 1060 3772 file.exe 96 PID 3772 wrote to memory of 1060 3772 file.exe 96 PID 3772 wrote to memory of 1060 3772 file.exe 96 PID 3772 wrote to memory of 1060 3772 file.exe 96 PID 3772 wrote to memory of 1060 3772 file.exe 96 PID 1060 wrote to memory of 2252 1060 MSBuild.exe 106 PID 1060 wrote to memory of 2252 1060 MSBuild.exe 106 PID 1060 wrote to memory of 2252 1060 MSBuild.exe 106 PID 2252 wrote to memory of 228 2252 cmd.exe 108 PID 2252 wrote to memory of 228 2252 cmd.exe 108 PID 2252 wrote to memory of 228 2252 cmd.exe 108
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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3772 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵PID:2536
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵PID:1524
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1060 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\GDBFHDHJKKJD" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2252 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:228
-
-
-
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4372,i,3861745594156495651,17595114179815238301,262144 --variations-seed-version --mojo-platform-channel-handle=3696 /prefetch:81⤵PID:4920
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --field-trial-handle=3384,i,3861745594156495651,17595114179815238301,262144 --variations-seed-version --mojo-platform-channel-handle=3224 /prefetch:31⤵PID:2352
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports
- Size 2B
- SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
- MD5 d751713988987e9331980363e24189ce
- SHA1 97d170e1550eee4afc0af065b78cda302a97674c
- SHA512 b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries
- Size 40B
- SHA256 6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
- MD5 20d4b8fa017a12a108c87f540836e250
- SHA1 1ac617fac131262b6d3ce1f52f5907e31d5f6f00
- SHA512 507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856
- MD5 SHA1 SHA512