Resubmissions
24-03-2024 18:37
240324-w9tc4ahf7x 1024-03-2024 18:25
240324-w2v7qahe21 1024-03-2024 18:03
240324-wneb2sed67 10Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
24-03-2024 18:37
Static task
static1
Behavioral task
behavioral1
Sample
56121c382d6d73caa5463d747e09617fc144eec3c9858129bd34ab6c3474c227.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
56121c382d6d73caa5463d747e09617fc144eec3c9858129bd34ab6c3474c227.exe
Resource
win10v2004-20240226-en
General
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Target
56121c382d6d73caa5463d747e09617fc144eec3c9858129bd34ab6c3474c227.exe
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Size
1.9MB
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MD5
e003da98ad445d5e5038e2a4a78e7fb5
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SHA1
009f0436118cc585c4056926255afb2ecd2afe87
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SHA256
56121c382d6d73caa5463d747e09617fc144eec3c9858129bd34ab6c3474c227
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SHA512
a08ffa8725ca6ee9f1a598e5a65a72fc0ae4760519b1038a83df296c8287aadbf52674dd991dbad8a2904474658569c2ee067b36683ed4362cff827163597291
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SSDEEP
24576:k5yB+gWUpX8iBmhtR0Zzrgn5fJq/w3f2kHz7Fm2sxM/aMkepA7iVX227JTpnuSO4:k548iBoyzE5tfHs2sx1Ji5229T0SO4
Malware Config
Extracted
amadey
4.17
http://185.215.113.32
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install_dir
00c07260dc
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install_file
explorgu.exe
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strings_key
461809bd97c251ba0c0c8450c7055f1d
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url_paths
/yandex/index.php
Extracted
redline
LiveTraffic
4.185.137.132:1632
Extracted
amadey
4.18
http://193.233.132.56
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install_dir
09fd851a4f
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install_file
explorha.exe
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strings_key
443351145ece4966ded809641c77cfa8
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url_paths
/Pneh2sXQk0/index.php
Signatures
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Detect ZGRat V1 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\1000837001\goldprimeldlldf.exe family_zgrat_v1 behavioral2/memory/4300-118-0x0000000000020000-0x000000000009A000-memory.dmp family_zgrat_v1 -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 4 IoCs
Processes:
resource yara_rule behavioral2/memory/1460-123-0x0000000000400000-0x0000000000450000-memory.dmp family_redline C:\Users\Admin\AppData\Local\Temp\1000979001\TeamFour.exe family_redline C:\Users\Admin\AppData\Local\Temp\1000979001\TeamFour.exe family_redline C:\Users\Admin\AppData\Local\Temp\1000979001\TeamFour.exe family_redline -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 4 IoCs
Processes:
56121c382d6d73caa5463d747e09617fc144eec3c9858129bd34ab6c3474c227.exeexplorgu.exeamadka.exeexplorha.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 56121c382d6d73caa5463d747e09617fc144eec3c9858129bd34ab6c3474c227.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorgu.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ amadka.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exerundll32.exeflow pid process 133 3688 rundll32.exe 143 3956 rundll32.exe -
Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 8 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
56121c382d6d73caa5463d747e09617fc144eec3c9858129bd34ab6c3474c227.exeexplorgu.exeamadka.exeexplorha.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 56121c382d6d73caa5463d747e09617fc144eec3c9858129bd34ab6c3474c227.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorgu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorgu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion amadka.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion amadka.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 56121c382d6d73caa5463d747e09617fc144eec3c9858129bd34ab6c3474c227.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
explorgu.exeamadka.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation explorgu.exe Key value queried \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation amadka.exe -
Executes dropped EXE 5 IoCs
Processes:
explorgu.exegoldprimeldlldf.exeamadka.exeexplorha.exeTeamFour.exepid process 2196 explorgu.exe 4300 goldprimeldlldf.exe 3404 amadka.exe 4528 explorha.exe 3228 TeamFour.exe -
Identifies Wine through registry keys 2 TTPs 4 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
Processes:
56121c382d6d73caa5463d747e09617fc144eec3c9858129bd34ab6c3474c227.exeexplorgu.exeamadka.exeexplorha.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Wine 56121c382d6d73caa5463d747e09617fc144eec3c9858129bd34ab6c3474c227.exe Key opened \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Wine explorgu.exe Key opened \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Wine amadka.exe Key opened \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Wine explorha.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 1496 rundll32.exe 3688 rundll32.exe 3956 rundll32.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
explorgu.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\amadka.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000875001\\amadka.exe" explorgu.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
Processes:
56121c382d6d73caa5463d747e09617fc144eec3c9858129bd34ab6c3474c227.exeexplorgu.exeamadka.exeexplorha.exepid process 3144 56121c382d6d73caa5463d747e09617fc144eec3c9858129bd34ab6c3474c227.exe 2196 explorgu.exe 3404 amadka.exe 4528 explorha.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
goldprimeldlldf.exedescription pid process target process PID 4300 set thread context of 1460 4300 goldprimeldlldf.exe RegAsm.exe -
Drops file in Windows directory 2 IoCs
Processes:
amadka.exe56121c382d6d73caa5463d747e09617fc144eec3c9858129bd34ab6c3474c227.exedescription ioc process File created C:\Windows\Tasks\explorha.job amadka.exe File created C:\Windows\Tasks\explorgu.job 56121c382d6d73caa5463d747e09617fc144eec3c9858129bd34ab6c3474c227.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 21 IoCs
Processes:
56121c382d6d73caa5463d747e09617fc144eec3c9858129bd34ab6c3474c227.exeexplorgu.exerundll32.exepowershell.exeamadka.exeexplorha.exepid process 3144 56121c382d6d73caa5463d747e09617fc144eec3c9858129bd34ab6c3474c227.exe 3144 56121c382d6d73caa5463d747e09617fc144eec3c9858129bd34ab6c3474c227.exe 2196 explorgu.exe 2196 explorgu.exe 3688 rundll32.exe 3688 rundll32.exe 3688 rundll32.exe 3688 rundll32.exe 3688 rundll32.exe 3688 rundll32.exe 3688 rundll32.exe 3688 rundll32.exe 3688 rundll32.exe 3688 rundll32.exe 2008 powershell.exe 2008 powershell.exe 2008 powershell.exe 3404 amadka.exe 3404 amadka.exe 4528 explorha.exe 4528 explorha.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
Processes:
powershell.exeTeamFour.exedescription pid process Token: SeDebugPrivilege 2008 powershell.exe Token: SeDebugPrivilege 3228 TeamFour.exe Token: SeBackupPrivilege 3228 TeamFour.exe Token: SeSecurityPrivilege 3228 TeamFour.exe Token: SeSecurityPrivilege 3228 TeamFour.exe Token: SeSecurityPrivilege 3228 TeamFour.exe Token: SeSecurityPrivilege 3228 TeamFour.exe -
Suspicious use of WriteProcessMemory 34 IoCs
Processes:
explorgu.exerundll32.exerundll32.exegoldprimeldlldf.exeamadka.exedescription pid process target process PID 2196 wrote to memory of 1496 2196 explorgu.exe rundll32.exe PID 2196 wrote to memory of 1496 2196 explorgu.exe rundll32.exe PID 2196 wrote to memory of 1496 2196 explorgu.exe rundll32.exe PID 1496 wrote to memory of 3688 1496 rundll32.exe rundll32.exe PID 1496 wrote to memory of 3688 1496 rundll32.exe rundll32.exe PID 3688 wrote to memory of 3992 3688 rundll32.exe netsh.exe PID 3688 wrote to memory of 3992 3688 rundll32.exe netsh.exe PID 3688 wrote to memory of 2008 3688 rundll32.exe powershell.exe PID 3688 wrote to memory of 2008 3688 rundll32.exe powershell.exe PID 2196 wrote to memory of 3956 2196 explorgu.exe rundll32.exe PID 2196 wrote to memory of 3956 2196 explorgu.exe rundll32.exe PID 2196 wrote to memory of 3956 2196 explorgu.exe rundll32.exe PID 2196 wrote to memory of 4300 2196 explorgu.exe goldprimeldlldf.exe PID 2196 wrote to memory of 4300 2196 explorgu.exe goldprimeldlldf.exe PID 2196 wrote to memory of 4300 2196 explorgu.exe goldprimeldlldf.exe PID 4300 wrote to memory of 4904 4300 goldprimeldlldf.exe RegAsm.exe PID 4300 wrote to memory of 4904 4300 goldprimeldlldf.exe RegAsm.exe PID 4300 wrote to memory of 4904 4300 goldprimeldlldf.exe RegAsm.exe PID 4300 wrote to memory of 1460 4300 goldprimeldlldf.exe RegAsm.exe PID 4300 wrote to memory of 1460 4300 goldprimeldlldf.exe RegAsm.exe PID 4300 wrote to memory of 1460 4300 goldprimeldlldf.exe RegAsm.exe PID 4300 wrote to memory of 1460 4300 goldprimeldlldf.exe RegAsm.exe PID 4300 wrote to memory of 1460 4300 goldprimeldlldf.exe RegAsm.exe PID 4300 wrote to memory of 1460 4300 goldprimeldlldf.exe RegAsm.exe PID 4300 wrote to memory of 1460 4300 goldprimeldlldf.exe RegAsm.exe PID 4300 wrote to memory of 1460 4300 goldprimeldlldf.exe RegAsm.exe PID 2196 wrote to memory of 3404 2196 explorgu.exe amadka.exe PID 2196 wrote to memory of 3404 2196 explorgu.exe amadka.exe PID 2196 wrote to memory of 3404 2196 explorgu.exe amadka.exe PID 3404 wrote to memory of 4528 3404 amadka.exe explorha.exe PID 3404 wrote to memory of 4528 3404 amadka.exe explorha.exe PID 3404 wrote to memory of 4528 3404 amadka.exe explorha.exe PID 2196 wrote to memory of 3228 2196 explorgu.exe TeamFour.exe PID 2196 wrote to memory of 3228 2196 explorgu.exe TeamFour.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\56121c382d6d73caa5463d747e09617fc144eec3c9858129bd34ab6c3474c227.exe"C:\Users\Admin\AppData\Local\Temp\56121c382d6d73caa5463d747e09617fc144eec3c9858129bd34ab6c3474c227.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:3144
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C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exeC:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Executes dropped EXE
- Identifies Wine through registry keys
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2196 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1496 -
C:\Windows\system32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3688 -
C:\Windows\system32\netsh.exenetsh wlan show profiles4⤵PID:3992
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\270530367132_Desktop.zip' -CompressionLevel Optimal4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2008
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main2⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:3956
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C:\Users\Admin\AppData\Local\Temp\1000837001\goldprimeldlldf.exe"C:\Users\Admin\AppData\Local\Temp\1000837001\goldprimeldlldf.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4300 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵PID:4904
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵PID:1460
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C:\Users\Admin\AppData\Local\Temp\1000875001\amadka.exe"C:\Users\Admin\AppData\Local\Temp\1000875001\amadka.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3404 -
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4528
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C:\Users\Admin\AppData\Local\Temp\1000979001\TeamFour.exe"C:\Users\Admin\AppData\Local\Temp\1000979001\TeamFour.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3228
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Unsecured Credentials
3Credentials In Files
2Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.9MB
MD5e003da98ad445d5e5038e2a4a78e7fb5
SHA1009f0436118cc585c4056926255afb2ecd2afe87
SHA25656121c382d6d73caa5463d747e09617fc144eec3c9858129bd34ab6c3474c227
SHA512a08ffa8725ca6ee9f1a598e5a65a72fc0ae4760519b1038a83df296c8287aadbf52674dd991dbad8a2904474658569c2ee067b36683ed4362cff827163597291
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Filesize
288KB
MD533b504ed1012707ee3079ad95cc8e26c
SHA119e7c4a3f8595fae034900d7fcbff707c70aa467
SHA256b5e25f516b89b80ca34b47c1e9cbac930d03b51adafccc179b8cb7e50ce3bb1f
SHA5126a79c3a054c3b682e810b2d71388bfcc5f7aa2507beeb3e1e4888cd61f33f417f33dde50758269261048b79b6e01ced85c15986bd13ce37cedeb2fa8adca3f64
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Filesize
464KB
MD5c084d6f6ba40534fbfc5a64b21ef99ab
SHA10b4a17da83c0a8abbc8fab321931d5447b32b720
SHA256afd83290a2adb219c3f1b8fbf23c27b0994fe76dfbb7dc0b416530dc0e21f624
SHA512a5384a2f7029cf946fde44e1ff30775754ce525ca5a6fdac14184872b6e684cb6e585053cb86d32f82cbd3db48eb195ba3a642d8ee3774be579fccd993938ca1
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Filesize
162B
MD51b7c22a214949975556626d7217e9a39
SHA1d01c97e2944166ed23e47e4a62ff471ab8fa031f
SHA256340c8464c2007ce3f80682e15dfafa4180b641d53c14201b929906b7b0284d87
SHA512ba64847cf1d4157d50abe4f4a1e5c1996fe387c5808e2f758c7fb3213bfefe1f3712d343f0c30a16819749840954654a70611d2250fd0f7b032429db7afd2cc5
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Filesize
1.8MB
MD5f0689dac059877ece86073a2d1402e25
SHA1b6a934c13c2717a05760fc35355c0df5aed518a0
SHA25646cc2ef701e4064dccb1e17975ddf19f9d2e8f8f96ed9cbffff0e7c804251f93
SHA512cfa68e6f083c748729357a24d63973e49eca3aeec0c60b7ddc73997eca3c76a2ef053a21aac7251f165e0835611698b77dc2f9ec91d805ca138ce5458343b813
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Filesize
541KB
MD53b069f3dd741e4360f26cb27cb10320a
SHA16a9503aaf1e297f2696482ddf1bd4605a8710101
SHA256f63bdc068c453e7e22740681a0c280d02745807b1695ce86e5067069beca533e
SHA512bda58c074f7bd5171d7e3188a48cbdc457607ff06045e64a9e8e33fcb6f66f941d75a7bf57eb0ef262491622b4a9936342384237fa61c1add3365d5006c6d0d9
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Filesize
265KB
MD5e0a58f6a1147c3533310b34e505eb6e9
SHA114e7da1554534613505b0d7729d11a35dcf355e0
SHA25604cd83b687c96246889e0ed491d5e7e633adcdebebb700da10027947f8fa30cc
SHA5129571127f21566083a8650f984f65bab6140da37fc02439b0cc6df6a081805ba4fb49481a11295a864ab0dd427b40a227dcdff5099ddc10c1f387b15e3256f76d
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Filesize
64KB
MD598245cc420429af08ffb68dab3b79609
SHA1946b80a53e4032da4ac66bbd7fc2d78ea8db4237
SHA2563f404cf8802445ce28c7e51bb2634058fd94479835fe83f855f0916ab12fbc3b
SHA512ae2f2f8cf50d839e6f180e00fe9634056ccc9b2590b9020f28f866932f588654c960b3bd648812662bd2ef2f27aae3abc0808b428249d00a5f19efbc1f025406
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
109KB
MD52afdbe3b99a4736083066a13e4b5d11a
SHA14d4856cf02b3123ac16e63d4a448cdbcb1633546
SHA2568d31b39170909595b518b1a03e9ec950540fabd545ed14817cac5c84b91599ee
SHA512d89b3c46854153e60e3fa825b394344eee33936d7dbf186af9d95c9adae54428609e3bf21a18d38fce3d96f3e0b8e4e0ed25cb5004fbe288de3aef3a85b1d93f
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Filesize
1.2MB
MD592fbdfccf6a63acef2743631d16652a7
SHA1971968b1378dd89d59d7f84bf92f16fc68664506
SHA256b4588feacc183cd5a089f9bb950827b75df04bd5a6e67c95ff258e4a34aa0d72
SHA512b8ea216d4a59d8858fd4128abb555f8dcf3acca9138e663b488f09dc5200db6dc11ecc235a355e801145bbbb44d7beac6147949d75d78b32fe9cfd2fa200d117