Analysis
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max time kernel
149s -
max time network
158s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
25-03-2024 10:04
Static task
static1
Behavioral task
behavioral1
Sample
9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f.exe
Resource
win10v2004-20240226-en
General
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Target
9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f.exe
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Size
1.9MB
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MD5
980a898044b5c05897ad316af3dbb649
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SHA1
e5d918cd514c9ddb8a0d35a82d9f06b0fa397b02
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SHA256
9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f
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SHA512
811614270e3ff091f746d2ec1647f567bab16126afc5ce3369be11c37bc2dd7167d4f82ef2b1dd09a16bcf945133f6726085e37ca395f32f5fb3e0756eccbeee
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SSDEEP
49152:SYZ3mkdDaNr+L3Y7nHrrtCKRjSer2pQAWRaCQ+:LZ37YNr+Lo7HVhLZQ+
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
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/2328-112-0x0000000000840000-0x00000000008BA000-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 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4552-117-0x0000000000400000-0x0000000000450000-memory.dmp family_redline -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
Processes:
9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f.exeexplorgu.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorgu.exe -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exerundll32.exeflow pid process 6 4032 rundll32.exe 7 4784 rundll32.exe -
Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f.exeexplorgu.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorgu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorgu.exe -
Executes dropped EXE 2 IoCs
Processes:
explorgu.exegoldprimeldlldf.exepid process 1820 explorgu.exe 2328 goldprimeldlldf.exe -
Identifies Wine through registry keys 2 TTPs 2 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
Processes:
explorgu.exe9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-627134735-902745853-4257352768-1000\Software\Wine explorgu.exe Key opened \REGISTRY\USER\S-1-5-21-627134735-902745853-4257352768-1000\Software\Wine 9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 4688 rundll32.exe 4032 rundll32.exe 4784 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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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 NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f.exeexplorgu.exepid process 772 9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f.exe 1820 explorgu.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
goldprimeldlldf.exedescription pid process target process PID 2328 set thread context of 4552 2328 goldprimeldlldf.exe RegAsm.exe -
Drops file in Windows directory 1 IoCs
Processes:
9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f.exedescription ioc process File created C:\Windows\Tasks\explorgu.job 9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 16 IoCs
Processes:
9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f.exeexplorgu.exerundll32.exepowershell.exepid process 772 9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f.exe 772 9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f.exe 1820 explorgu.exe 1820 explorgu.exe 4032 rundll32.exe 4032 rundll32.exe 4032 rundll32.exe 4032 rundll32.exe 4032 rundll32.exe 4032 rundll32.exe 4032 rundll32.exe 4032 rundll32.exe 4032 rundll32.exe 4032 rundll32.exe 3968 powershell.exe 3968 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 3968 powershell.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f.exepid process 772 9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
explorgu.exerundll32.exerundll32.exegoldprimeldlldf.exedescription pid process target process PID 1820 wrote to memory of 4688 1820 explorgu.exe rundll32.exe PID 1820 wrote to memory of 4688 1820 explorgu.exe rundll32.exe PID 1820 wrote to memory of 4688 1820 explorgu.exe rundll32.exe PID 4688 wrote to memory of 4032 4688 rundll32.exe rundll32.exe PID 4688 wrote to memory of 4032 4688 rundll32.exe rundll32.exe PID 4032 wrote to memory of 3288 4032 rundll32.exe netsh.exe PID 4032 wrote to memory of 3288 4032 rundll32.exe netsh.exe PID 4032 wrote to memory of 3968 4032 rundll32.exe powershell.exe PID 4032 wrote to memory of 3968 4032 rundll32.exe powershell.exe PID 1820 wrote to memory of 4784 1820 explorgu.exe rundll32.exe PID 1820 wrote to memory of 4784 1820 explorgu.exe rundll32.exe PID 1820 wrote to memory of 4784 1820 explorgu.exe rundll32.exe PID 1820 wrote to memory of 2328 1820 explorgu.exe goldprimeldlldf.exe PID 1820 wrote to memory of 2328 1820 explorgu.exe goldprimeldlldf.exe PID 1820 wrote to memory of 2328 1820 explorgu.exe goldprimeldlldf.exe PID 2328 wrote to memory of 3496 2328 goldprimeldlldf.exe RegAsm.exe PID 2328 wrote to memory of 3496 2328 goldprimeldlldf.exe RegAsm.exe PID 2328 wrote to memory of 3496 2328 goldprimeldlldf.exe RegAsm.exe PID 2328 wrote to memory of 4552 2328 goldprimeldlldf.exe RegAsm.exe PID 2328 wrote to memory of 4552 2328 goldprimeldlldf.exe RegAsm.exe PID 2328 wrote to memory of 4552 2328 goldprimeldlldf.exe RegAsm.exe PID 2328 wrote to memory of 4552 2328 goldprimeldlldf.exe RegAsm.exe PID 2328 wrote to memory of 4552 2328 goldprimeldlldf.exe RegAsm.exe PID 2328 wrote to memory of 4552 2328 goldprimeldlldf.exe RegAsm.exe PID 2328 wrote to memory of 4552 2328 goldprimeldlldf.exe RegAsm.exe PID 2328 wrote to memory of 4552 2328 goldprimeldlldf.exe RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f.exe"C:\Users\Admin\AppData\Local\Temp\9c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f.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
- Suspicious use of FindShellTrayWindow
PID:772
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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
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1820 -
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:4688 -
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:4032 -
C:\Windows\system32\netsh.exenetsh wlan show profiles4⤵PID:3288
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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\271347359027_Desktop.zip' -CompressionLevel Optimal4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3968
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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:4784
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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:2328 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵PID:3496
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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:4552
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.9MB
MD5980a898044b5c05897ad316af3dbb649
SHA1e5d918cd514c9ddb8a0d35a82d9f06b0fa397b02
SHA2569c26a458bc7c8a957644a99d6c2d69204449cd904591f56d7af8dce65d0c692f
SHA512811614270e3ff091f746d2ec1647f567bab16126afc5ce3369be11c37bc2dd7167d4f82ef2b1dd09a16bcf945133f6726085e37ca395f32f5fb3e0756eccbeee
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Filesize
320KB
MD57d776280646700e6ebe32a4d16916828
SHA1fd5df64ccf21b71bd2f7e88a4a4e09218e7453d3
SHA25682de24401b4c5ab85beb40d31ff0fb9f586caf316c027742b08e8188368df1a3
SHA5121547080f4281a891fdabdcedde18b0eb8f8985628e3344058927a7c34b8ea279f64cb369e4c150a37a51f63b4edf13e08509f5e73dbf696117b2e75d256288cd
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Filesize
464KB
MD5c084d6f6ba40534fbfc5a64b21ef99ab
SHA10b4a17da83c0a8abbc8fab321931d5447b32b720
SHA256afd83290a2adb219c3f1b8fbf23c27b0994fe76dfbb7dc0b416530dc0e21f624
SHA512a5384a2f7029cf946fde44e1ff30775754ce525ca5a6fdac14184872b6e684cb6e585053cb86d32f82cbd3db48eb195ba3a642d8ee3774be579fccd993938ca1
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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