Analysis
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max time kernel
149s -
max time network
132s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
22-11-2024 14:56
Static task
static1
Behavioral task
behavioral1
Sample
key.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
key.exe
Resource
win10v2004-20241007-en
General
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Target
key.exe
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Size
783KB
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MD5
e33af9e602cbb7ac3634c2608150dd18
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SHA1
8f6ec9bc137822bc1ddf439c35fedc3b847ce3fe
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SHA256
8c870eec48bc4ea1aca1f0c63c8a82aaadaf837f197708a7f0321238da8b6b75
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SHA512
2ae5003e64b525049535ebd5c42a9d1f6d76052cccaa623026758aabe5b1d1b5781ca91c727f3ecb9ac30b829b8ce56f11b177f220330c704915b19b37f8f418
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SSDEEP
12288:0E9uQlDTt8c/wtocu3HhGSrIilDhlPnRq/iI7UOvqF8dtbcZl36VBqWPH:FuqD2cYWzBGZohlE/zUD8/bgl2qW/
Malware Config
Signatures
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Ardamax family
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Ardamax main executable 1 IoCs
resource yara_rule behavioral1/files/0x0007000000016c36-9.dat family_ardamax -
Executes dropped EXE 1 IoCs
pid Process 2896 DPBJ.exe -
Loads dropped DLL 4 IoCs
pid Process 3044 key.exe 3044 key.exe 2896 DPBJ.exe 2896 DPBJ.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DPBJ Agent = "C:\\Windows\\SysWOW64\\28463\\DPBJ.exe" DPBJ.exe -
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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Drops file in System32 directory 64 IoCs
description ioc Process File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_12.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_26.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_52.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_32.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_53.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\DPBJ.009 DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_11.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_17.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_11.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_10.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_01.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\DPBJ.007 key.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_12.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_19.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_27.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_46.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_43.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_08.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_44.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_55.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_56.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_16.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_18.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_41.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_35.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_02.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_23.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_35.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_49.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_59.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_10.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_23.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_06.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_29.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_06.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_46.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_48.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\key.bin key.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_08.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_15.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_27.jpg DPBJ.exe File opened for modification C:\Windows\SysWOW64\28463 DPBJ.exe File created C:\Windows\SysWOW64\28463\DPBJ.009.tmp DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_00.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_36.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_51.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\DPBJ.exe key.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_43.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_07.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_19.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_21.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_30.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_50.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_42.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_52.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_03.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_26.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_33.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_58.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_03.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_04.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_58_17.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_05.jpg DPBJ.exe File created C:\Windows\SysWOW64\28463\Nov_22_2024__14_57_45.jpg DPBJ.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 2 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 key.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DPBJ.exe -
Modifies registry class 30 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{06027F70-481B-4869-01B4-5F057BAB205A} DPBJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{06027F70-481B-4869-01B4-5F057BAB205A}\InprocServer32\ = "C:\\PROGRA~2\\MICROS~1\\Office14\\IEAWSDC.DLL" DPBJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{06027F70-481B-4869-01B4-5F057BAB205A}\Version\ DPBJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{06027F70-481B-4869-01B4-5F057BAB205A}\ProgID\ = "Office.awsdc.1" DPBJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3C56449B-585B-A7FD-186A-7FE598CF7594}\ DPBJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3C56449B-585B-A7FD-186A-7FE598CF7594}\2.0\ = "MSTTSEngine 2.0 Type Library" DPBJ.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{06027F70-481B-4869-01B4-5F057BAB205A}\InprocServer32 DPBJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3C56449B-585B-A7FD-186A-7FE598CF7594}\2.0\0\ DPBJ.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3C56449B-585B-A7FD-186A-7FE598CF7594}\2.0\FLAGS DPBJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{06027F70-481B-4869-01B4-5F057BAB205A}\ProgID\ DPBJ.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3C56449B-585B-A7FD-186A-7FE598CF7594}\2.0\0 DPBJ.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3C56449B-585B-A7FD-186A-7FE598CF7594}\2.0\0\win32 DPBJ.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{06027F70-481B-4869-01B4-5F057BAB205A}\Version DPBJ.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3C56449B-585B-A7FD-186A-7FE598CF7594} DPBJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3C56449B-585B-A7FD-186A-7FE598CF7594}\2.0\ DPBJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3C56449B-585B-A7FD-186A-7FE598CF7594}\2.0\0\win32\ DPBJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3C56449B-585B-A7FD-186A-7FE598CF7594}\2.0\FLAGS\ DPBJ.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3C56449B-585B-A7FD-186A-7FE598CF7594}\2.0 DPBJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{06027F70-481B-4869-01B4-5F057BAB205A}\TypeLib\ DPBJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{06027F70-481B-4869-01B4-5F057BAB205A}\TypeLib\ = "{3C56449B-585B-A7FD-186A-7FE598CF7594}" DPBJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{06027F70-481B-4869-01B4-5F057BAB205A}\ = "Apohifeq object" DPBJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{06027F70-481B-4869-01B4-5F057BAB205A}\InprocServer32\ DPBJ.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{06027F70-481B-4869-01B4-5F057BAB205A}\ProgID DPBJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3C56449B-585B-A7FD-186A-7FE598CF7594}\2.0\0\win32\ = "%CommonProgramFiles%\\SpeechEngines\\Microsoft\\TTS20\\MSTTSEngine.dll" DPBJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3C56449B-585B-A7FD-186A-7FE598CF7594}\2.0\FLAGS\ = "0" DPBJ.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{06027F70-481B-4869-01B4-5F057BAB205A}\TypeLib DPBJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{06027F70-481B-4869-01B4-5F057BAB205A}\Version\ = "1.0" DPBJ.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{06027F70-481B-4869-01B4-5F057BAB205A}\VersionIndependentProgID DPBJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{06027F70-481B-4869-01B4-5F057BAB205A}\VersionIndependentProgID\ DPBJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{06027F70-481B-4869-01B4-5F057BAB205A}\VersionIndependentProgID\ = "Office.awsdc" DPBJ.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2896 DPBJ.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 2896 DPBJ.exe Token: SeIncBasePriorityPrivilege 2896 DPBJ.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2896 DPBJ.exe 2896 DPBJ.exe 2896 DPBJ.exe 2896 DPBJ.exe 2896 DPBJ.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3044 wrote to memory of 2896 3044 key.exe 30 PID 3044 wrote to memory of 2896 3044 key.exe 30 PID 3044 wrote to memory of 2896 3044 key.exe 30 PID 3044 wrote to memory of 2896 3044 key.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\key.exe"C:\Users\Admin\AppData\Local\Temp\key.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3044 -
C:\Windows\SysWOW64\28463\DPBJ.exe"C:\Windows\system32\28463\DPBJ.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2896
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
457KB
MD597eee85d1aebf93d5d9400cb4e9c771b
SHA126fa2bf5fce2d86b891ac0741a6999bff31397de
SHA25630df6c8cbd255011d80fa6e959179d47c458bc4c4d9e78c4cf571aa611cd7d24
SHA5128cecc533c07c91c67b93a7ae46102a0aae7f4d3d88d04c250231f0bcd8e1f173daf06e94b5253a66db3f2a052c51e62154554368929294178d2b3597c1cca7e6
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Filesize
492B
MD57a0f1fa20fd40c047b07379da5290f2b
SHA1e0fb8305de6b661a747d849edb77d95959186fca
SHA256b0ad9e9d3d51e8434cc466bec16e2b94fc2d03bab03b48ccf57db86ae8e2c9b6
SHA512bb5b3138b863811a8b9dcba079ac8a2828dae73943a1cc1d107d27faca509fda9f03409db7c23d5d70b48d299146de14b656314a24b854f3ae4fdb6ef6770346
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Filesize
8KB
MD535b24c473bdcdb4411e326c6c437e8ed
SHA1ec1055365bc2a66e52de2d66d24d742863c1ce3d
SHA2564530fcc91e4d0697a64f5e24d70e2b327f0acab1a9013102ff04236841c5a617
SHA51232722f1484013bbc9c1b41b3fdaf5cd244ec67facaa2232be0e90455719d664d65cae1cd670adf5c40c67f568122d910b30e3e50f7cc06b0350a6a2d34d371de
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Filesize
5KB
MD5a8e19de6669e831956049685225058a8
SHA16d2546d49d92b18591ad4fedbc92626686e7e979
SHA25634856528d8b7e31caa83f350bc4dbc861120dc2da822a9eb896b773bc7e1f564
SHA5125c407d4aa5731bd62c2a1756127f794382dc5e2b214298acfa68698c709fbbe3f2aa8dbdcbef02ed2a49f8f35969959946e9f727895bdca4500d16e84f4ef2e8
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Filesize
1.4MB
MD5f6babafbb89da6d3df35773569102d25
SHA15c18b627fe18324cd7d19ff3719d1e866bd6f79d
SHA256e3000ba6e99c986084407d7332de12b2b04917076a3558fec5044bc171838057
SHA512703992180451dfd1c42faed3df808d43e4c7bd6e5ba2c2263bee609c5d3321a65d5e89e50c858cc725d34d6be0a888ff2ae68333936c2527dfc606ab807da6ee
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Filesize
104KB
MD59d415f3e164e7f3f5f3714c6d7beccb5
SHA1f1f2ba1e31f60f712eead74b4faf9d9452f75350
SHA256c1709608d3df085ae776cfbf6c7fe6ffdc1df1a88b4045b77076544c512d4872
SHA51259fb8cfcf866da0d5d9f00866bb0799d1a69fffd920e30035daa4f4122b686940f550ae76e6d85bcafeaa8d371a35c52fd8cca6b208700eb33c7f7556b6361ad
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Filesize
106B
MD5639d75ab6799987dff4f0cf79fa70c76
SHA1be2678476d07f78bb81e8813c9ee2bfff7cc7efb
SHA256fc42ab050ffdfed8c8c7aac6d7e4a7cad4696218433f7ca327bcfdf9f318ac98
SHA5124b511d0330d7204af948ce7b15615d745e8d4ea0a73bbece4e00fb23ba2635dd99e4fa54a76236d6f74bdbcdba57d32fd4c36b608d52628e72d11d5ed6f8cde2
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Filesize
4KB
MD5d73d89b1ea433724795b3d2b524f596c
SHA1213514f48ece9f074266b122ee2d06e842871c8c
SHA2568aef975a94c800d0e3e4929999d05861868a7129b766315c02a48a122e3455d6
SHA5128b73be757ad3e0f2b29c0b130918e8f257375f9f3bf7b9609bac24b17369de2812341651547546af238936d70f38f050d6984afd16d47b467bcbba4992e42f41
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Filesize
646KB
MD5b863a9ac3bcdcde2fd7408944d5bf976
SHA14bd106cd9aefdf2b51f91079760855e04f73f3b0
SHA2560fe8e3cd44a89c15dec75ff2949bac1a96e1ea7e0040f74df3230569ac9e37b0
SHA5124b30c3b119c1e7b2747d2745b2b79c61669a33b84520b88ab54257793e3ed6e76378dea2b8ff048cb1822187ffdc20e921d658bb5b0482c23cfa7d70f4e7aa1a