Analysis
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max time kernel
145s -
max time network
156s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
23-03-2024 18:28
Static task
static1
Behavioral task
behavioral1
Sample
1d2c2bfb291003b0b4f4dbfa44f2eb7f7d202f014af9bec29d256e8b759e0c28.exe
Resource
win10v2004-20240226-en
General
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Target
1d2c2bfb291003b0b4f4dbfa44f2eb7f7d202f014af9bec29d256e8b759e0c28.exe
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Size
1.8MB
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MD5
836561d85ffe41d7e5ea8de57b6c8587
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SHA1
280411301a25940e01c2d5362bcba174220feadd
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SHA256
1d2c2bfb291003b0b4f4dbfa44f2eb7f7d202f014af9bec29d256e8b759e0c28
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SHA512
78ccd609213becae6ebc2d1ee93c1285e0901e1e23ef591ae8acc69e38c75f90543b9b5c854626000efa7f3dc19e6ddee4343d760babbe69077252051155fd86
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SSDEEP
24576:ec9IgkmS8Ts6k9snWmUNTn6lEt2r2eksy6MJQpWYNkmYPee+VxYpUbhasbcHeIzc:eiIgg8Tsd05qta24NkbfXiaX5Hsm1
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
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
Processes:
1d2c2bfb291003b0b4f4dbfa44f2eb7f7d202f014af9bec29d256e8b759e0c28.exeexplorgu.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 1d2c2bfb291003b0b4f4dbfa44f2eb7f7d202f014af9bec29d256e8b759e0c28.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorgu.exe -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exerundll32.exeflow pid process 3 3492 rundll32.exe 4 1392 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:
1d2c2bfb291003b0b4f4dbfa44f2eb7f7d202f014af9bec29d256e8b759e0c28.exeexplorgu.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 1d2c2bfb291003b0b4f4dbfa44f2eb7f7d202f014af9bec29d256e8b759e0c28.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 1d2c2bfb291003b0b4f4dbfa44f2eb7f7d202f014af9bec29d256e8b759e0c28.exe -
Executes dropped EXE 1 IoCs
Processes:
explorgu.exepid process 2424 explorgu.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:
1d2c2bfb291003b0b4f4dbfa44f2eb7f7d202f014af9bec29d256e8b759e0c28.exeexplorgu.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-627134735-902745853-4257352768-1000\Software\Wine 1d2c2bfb291003b0b4f4dbfa44f2eb7f7d202f014af9bec29d256e8b759e0c28.exe Key opened \REGISTRY\USER\S-1-5-21-627134735-902745853-4257352768-1000\Software\Wine explorgu.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 2884 rundll32.exe 3492 rundll32.exe 1392 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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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
1d2c2bfb291003b0b4f4dbfa44f2eb7f7d202f014af9bec29d256e8b759e0c28.exeexplorgu.exepid process 5092 1d2c2bfb291003b0b4f4dbfa44f2eb7f7d202f014af9bec29d256e8b759e0c28.exe 2424 explorgu.exe -
Drops file in Windows directory 1 IoCs
Processes:
1d2c2bfb291003b0b4f4dbfa44f2eb7f7d202f014af9bec29d256e8b759e0c28.exedescription ioc process File created C:\Windows\Tasks\explorgu.job 1d2c2bfb291003b0b4f4dbfa44f2eb7f7d202f014af9bec29d256e8b759e0c28.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:
1d2c2bfb291003b0b4f4dbfa44f2eb7f7d202f014af9bec29d256e8b759e0c28.exeexplorgu.exerundll32.exepowershell.exepid process 5092 1d2c2bfb291003b0b4f4dbfa44f2eb7f7d202f014af9bec29d256e8b759e0c28.exe 5092 1d2c2bfb291003b0b4f4dbfa44f2eb7f7d202f014af9bec29d256e8b759e0c28.exe 2424 explorgu.exe 2424 explorgu.exe 3492 rundll32.exe 3492 rundll32.exe 3492 rundll32.exe 3492 rundll32.exe 3492 rundll32.exe 3492 rundll32.exe 3492 rundll32.exe 3492 rundll32.exe 3492 rundll32.exe 3492 rundll32.exe 988 powershell.exe 988 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 988 powershell.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
1d2c2bfb291003b0b4f4dbfa44f2eb7f7d202f014af9bec29d256e8b759e0c28.exepid process 5092 1d2c2bfb291003b0b4f4dbfa44f2eb7f7d202f014af9bec29d256e8b759e0c28.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
explorgu.exerundll32.exerundll32.exedescription pid process target process PID 2424 wrote to memory of 2884 2424 explorgu.exe rundll32.exe PID 2424 wrote to memory of 2884 2424 explorgu.exe rundll32.exe PID 2424 wrote to memory of 2884 2424 explorgu.exe rundll32.exe PID 2884 wrote to memory of 3492 2884 rundll32.exe rundll32.exe PID 2884 wrote to memory of 3492 2884 rundll32.exe rundll32.exe PID 3492 wrote to memory of 2640 3492 rundll32.exe netsh.exe PID 3492 wrote to memory of 2640 3492 rundll32.exe netsh.exe PID 3492 wrote to memory of 988 3492 rundll32.exe powershell.exe PID 3492 wrote to memory of 988 3492 rundll32.exe powershell.exe PID 2424 wrote to memory of 1392 2424 explorgu.exe rundll32.exe PID 2424 wrote to memory of 1392 2424 explorgu.exe rundll32.exe PID 2424 wrote to memory of 1392 2424 explorgu.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1d2c2bfb291003b0b4f4dbfa44f2eb7f7d202f014af9bec29d256e8b759e0c28.exe"C:\Users\Admin\AppData\Local\Temp\1d2c2bfb291003b0b4f4dbfa44f2eb7f7d202f014af9bec29d256e8b759e0c28.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:5092
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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:2424 -
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:2884 -
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:3492 -
C:\Windows\system32\netsh.exenetsh wlan show profiles4⤵PID:2640
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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:988
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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:1392
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.8MB
MD5836561d85ffe41d7e5ea8de57b6c8587
SHA1280411301a25940e01c2d5362bcba174220feadd
SHA2561d2c2bfb291003b0b4f4dbfa44f2eb7f7d202f014af9bec29d256e8b759e0c28
SHA51278ccd609213becae6ebc2d1ee93c1285e0901e1e23ef591ae8acc69e38c75f90543b9b5c854626000efa7f3dc19e6ddee4343d760babbe69077252051155fd86
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Filesize
199KB
MD50efe9d1bc9f4cbb6dc848b1beb1e5649
SHA140beb92b2254e0b3f66d2f66593c4bb95fcbe538
SHA2569f6af8803337ee4d46e8c36aa72300bf4308723657660b486917465ec3343e78
SHA512744a7bd443631e2d1ce450948389f7a8cf81cc1e5081dc6434b17833bf2e6e252e5cfa942cf1a5c8ebac5e12794355418a841e4b5dca015d6b527fd76d3dd34e
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Filesize
199KB
MD597d77e8f4f75adca25701ff91364f95a
SHA175ac9edff7d97d793680743f9774c5eaf18bcbda
SHA2568506dee4809f7ab7b1e4304ed4d373e1cd6013a1a473220b569196ed3ceb5865
SHA5121e1005d038c0c4af2d80313aa5d2a0c13745d90abb2dea070df2abf6ec21ae79873dfd9a323566cdd362cffda52de9e57e3ccba2d97711fefc0cf6afac3c7eb3
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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