Analysis
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max time kernel
141s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
18/11/2024, 23:12
Static task
static1
Behavioral task
behavioral1
Sample
ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3.exe
Resource
win7-20240903-en
General
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Target
ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3.exe
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Size
1.8MB
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MD5
eeef76a63a88870ee08ebbbd90fbcb8f
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SHA1
f004204f188147498ffb6caf514ab03de1f7dc53
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SHA256
ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3
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SHA512
6e5282765414205c43a3548ad7ef9fd1cd4550cf46ccd34dbb909f2870311428835d275482a771dffd197bb02da821b5e039b0b5a5a55876b9447945bad9b1d9
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SSDEEP
49152:YqdBhdxABFI3NaLJ48787I+zNd5T46CBOQxNnU:NBRzoy8QTZ46SL
Malware Config
Extracted
amadey
5.04
4bee07
http://185.215.113.209
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install_dir
fc9e0aaab7
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install_file
defnur.exe
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strings_key
191655f008adc880f91bfc85bc56db54
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url_paths
/Fru7Nk9/index.php
Signatures
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Amadey family
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ defnur.exe -
Blocklisted process makes network request 1 IoCs
flow pid Process 9 1928 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.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion defnur.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion defnur.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3.exe -
Executes dropped EXE 3 IoCs
pid Process 2824 defnur.exe 1648 cd6c9ae014.exe 2316 klops.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.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3.exe Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine defnur.exe -
Loads dropped DLL 7 IoCs
pid Process 1076 ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3.exe 1928 rundll32.exe 1928 rundll32.exe 1928 rundll32.exe 1928 rundll32.exe 2824 defnur.exe 2232 cmd.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\klops = "C:\\Users\\Admin\\AppData\\Local\\klops.exe" cd6c9ae014.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
flow ioc 14 raw.githubusercontent.com 15 raw.githubusercontent.com 20 raw.githubusercontent.com -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 12 ip-api.com -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1076 ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3.exe 2824 defnur.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\defnur.job ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 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 ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language defnur.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 3 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1748 cmd.exe 2232 cmd.exe 1888 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1888 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1076 ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3.exe 2824 defnur.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1076 ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 1076 wrote to memory of 2824 1076 ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3.exe 30 PID 1076 wrote to memory of 2824 1076 ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3.exe 30 PID 1076 wrote to memory of 2824 1076 ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3.exe 30 PID 1076 wrote to memory of 2824 1076 ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3.exe 30 PID 2824 wrote to memory of 1928 2824 defnur.exe 33 PID 2824 wrote to memory of 1928 2824 defnur.exe 33 PID 2824 wrote to memory of 1928 2824 defnur.exe 33 PID 2824 wrote to memory of 1928 2824 defnur.exe 33 PID 2824 wrote to memory of 1928 2824 defnur.exe 33 PID 2824 wrote to memory of 1928 2824 defnur.exe 33 PID 2824 wrote to memory of 1928 2824 defnur.exe 33 PID 2824 wrote to memory of 1648 2824 defnur.exe 35 PID 2824 wrote to memory of 1648 2824 defnur.exe 35 PID 2824 wrote to memory of 1648 2824 defnur.exe 35 PID 2824 wrote to memory of 1648 2824 defnur.exe 35 PID 1648 wrote to memory of 1748 1648 cd6c9ae014.exe 36 PID 1648 wrote to memory of 1748 1648 cd6c9ae014.exe 36 PID 1648 wrote to memory of 1748 1648 cd6c9ae014.exe 36 PID 1748 wrote to memory of 2232 1748 cmd.exe 38 PID 1748 wrote to memory of 2232 1748 cmd.exe 38 PID 1748 wrote to memory of 2232 1748 cmd.exe 38 PID 2232 wrote to memory of 1888 2232 cmd.exe 40 PID 2232 wrote to memory of 1888 2232 cmd.exe 40 PID 2232 wrote to memory of 1888 2232 cmd.exe 40 PID 2232 wrote to memory of 2316 2232 cmd.exe 41 PID 2232 wrote to memory of 2316 2232 cmd.exe 41 PID 2232 wrote to memory of 2316 2232 cmd.exe 41
Processes
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C:\Users\Admin\AppData\Local\Temp\ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3.exe"C:\Users\Admin\AppData\Local\Temp\ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1076 -
C:\Users\Admin\AppData\Local\Temp\fc9e0aaab7\defnur.exe"C:\Users\Admin\AppData\Local\Temp\fc9e0aaab7\defnur.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2824 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\clip64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1928
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C:\Users\Admin\AppData\Local\Temp\10003590101\cd6c9ae014.exe"C:\Users\Admin\AppData\Local\Temp\10003590101\cd6c9ae014.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1648 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c start cmd /C "ping localhost -n 1 && start C:\Users\Admin\AppData\Local\klops.exe"4⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1748 -
C:\Windows\system32\cmd.execmd /C "ping localhost -n 1 && start C:\Users\Admin\AppData\Local\klops.exe"5⤵
- Loads dropped DLL
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2232 -
C:\Windows\system32\PING.EXEping localhost -n 16⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:1888
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C:\Users\Admin\AppData\Local\klops.exeC:\Users\Admin\AppData\Local\klops.exe6⤵
- Executes dropped EXE
PID:2316
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD53613ab0a55c4ef28d4170c2da3b22474
SHA17c5842b1a6a460083786a72c2baf391272a7f5c6
SHA25663224dde33861d3f588545fa9817dbd5d15d621559d92ea86104d9331970b73d
SHA512e38cca021529dd5df446225e40ded41c0405d09860f0a6fae29c72f95ece43328021d8527d6f455e80e7fc2006ff6546cb1306a96e946c63c23a381bfbab9df2
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Filesize
3.5MB
MD5c63a8ca4db450d6e09cb1d3709c893ad
SHA1fc6ee19f76ecd5b361b02d0f9e2aaa2a0ca59010
SHA2565d5e5e00b2683092a89e16c271369a03aea176e466b29205df5730b26e19b4b7
SHA51236d10d4a1981aed0e930bda1a66afc99b1f5e4e412921f9f4c2e0a140bdc1f17d6b1f0b7a379e03fa47c26e0f71a31591d946a219eb17e5652c97c46b6fbde0a
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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Filesize
124KB
MD50d3418372c854ee228b78e16ea7059be
SHA1c0a29d4e74d39308a50f4fd21d0cca1f98cb02c1
SHA256885bf0b3b12b77ef3f953fbb48def1b45079faa2a4d574ee16afdbafa1de3ac7
SHA512e30dced307e04ae664367a998cd1ba36349e99e363f70897b5d90c898de2c69c393182c3afba63a74956b5e6f49f0635468e88ed31dd1e3c86c21e987ddd2c19
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Filesize
1.8MB
MD5eeef76a63a88870ee08ebbbd90fbcb8f
SHA1f004204f188147498ffb6caf514ab03de1f7dc53
SHA256ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3
SHA5126e5282765414205c43a3548ad7ef9fd1cd4550cf46ccd34dbb909f2870311428835d275482a771dffd197bb02da821b5e039b0b5a5a55876b9447945bad9b1d9