Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04-10-2024 11:03
Static task
static1
Behavioral task
behavioral1
Sample
installation.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
installation.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
update.exe
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
update.exe
Resource
win10v2004-20240802-en
General
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Target
installation.exe
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Size
3.6MB
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MD5
a1ac30d527ca424d85d24ff7438bdd86
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SHA1
eda30795603064026eaf0c66ca07c57f11175f95
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SHA256
db04a74f37a30b4ec12c44de76ef66c757172d2295a1137ebc322bd5149edb23
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SHA512
f9434464e23f6a8d28f952b62ec8022779700f137b5ba8d316c620deb26e9dfca012fcc79e926e5cfddb23080be4531c9a59abe687258e9e673f4afe07450570
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SSDEEP
98304:i0Npnl8aYKP2iajaXMiIWiUMkoktBg6woiP:i6DYKP2vuXMiLiUTI6I
Malware Config
Signatures
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Ardamax main executable 1 IoCs
resource yara_rule behavioral2/files/0x00070000000233a1-40.dat family_ardamax -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation installation.exe Key value queried \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation ardamax.exe -
Executes dropped EXE 4 IoCs
pid Process 2304 ardamax.exe 3528 Proxy Switcher PRO v3.9.0.4059.exe 2728 FLFU.exe 1300 is-89GNL.tmp -
Loads dropped DLL 7 IoCs
pid Process 2304 ardamax.exe 2728 FLFU.exe 2728 FLFU.exe 2728 FLFU.exe 1300 is-89GNL.tmp 1300 is-89GNL.tmp 1300 is-89GNL.tmp -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\FLFU Agent = "C:\\Windows\\SysWOW64\\28463\\FLFU.exe" FLFU.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 6 IoCs
description ioc Process File created C:\Windows\SysWOW64\28463\FLFU.001 ardamax.exe File created C:\Windows\SysWOW64\28463\FLFU.006 ardamax.exe File created C:\Windows\SysWOW64\28463\FLFU.007 ardamax.exe File created C:\Windows\SysWOW64\28463\FLFU.exe ardamax.exe File created C:\Windows\SysWOW64\28463\AKV.exe ardamax.exe File opened for modification C:\Windows\SysWOW64\28463 FLFU.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2180 set thread context of 2920 2180 installation.exe 82 -
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 6 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 ardamax.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Proxy Switcher PRO v3.9.0.4059.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language FLFU.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language is-89GNL.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language installation.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language installation.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2180 installation.exe 2180 installation.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 2728 FLFU.exe Token: SeIncBasePriorityPrivilege 2728 FLFU.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2728 FLFU.exe 2728 FLFU.exe 2728 FLFU.exe 2728 FLFU.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2180 wrote to memory of 2920 2180 installation.exe 82 PID 2180 wrote to memory of 2920 2180 installation.exe 82 PID 2180 wrote to memory of 2920 2180 installation.exe 82 PID 2180 wrote to memory of 2920 2180 installation.exe 82 PID 2180 wrote to memory of 2920 2180 installation.exe 82 PID 2180 wrote to memory of 2920 2180 installation.exe 82 PID 2180 wrote to memory of 2920 2180 installation.exe 82 PID 2180 wrote to memory of 2920 2180 installation.exe 82 PID 2180 wrote to memory of 2920 2180 installation.exe 82 PID 2180 wrote to memory of 2920 2180 installation.exe 82 PID 2180 wrote to memory of 2920 2180 installation.exe 82 PID 2180 wrote to memory of 2920 2180 installation.exe 82 PID 2920 wrote to memory of 2304 2920 installation.exe 83 PID 2920 wrote to memory of 2304 2920 installation.exe 83 PID 2920 wrote to memory of 2304 2920 installation.exe 83 PID 2920 wrote to memory of 3528 2920 installation.exe 84 PID 2920 wrote to memory of 3528 2920 installation.exe 84 PID 2920 wrote to memory of 3528 2920 installation.exe 84 PID 2304 wrote to memory of 2728 2304 ardamax.exe 85 PID 2304 wrote to memory of 2728 2304 ardamax.exe 85 PID 2304 wrote to memory of 2728 2304 ardamax.exe 85 PID 3528 wrote to memory of 1300 3528 Proxy Switcher PRO v3.9.0.4059.exe 86 PID 3528 wrote to memory of 1300 3528 Proxy Switcher PRO v3.9.0.4059.exe 86 PID 3528 wrote to memory of 1300 3528 Proxy Switcher PRO v3.9.0.4059.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\installation.exe"C:\Users\Admin\AppData\Local\Temp\installation.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2180 -
C:\Users\Admin\AppData\Local\Temp\installation.exeC:\Users\Admin\AppData\Local\Temp\installation.exe2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2920 -
C:\Users\Admin\AppData\Local\Temp\ardamax.exe"C:\Users\Admin\AppData\Local\Temp\ardamax.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2304 -
C:\Windows\SysWOW64\28463\FLFU.exe"C:\Windows\system32\28463\FLFU.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2728
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C:\Users\Admin\AppData\Local\Temp\Proxy Switcher PRO v3.9.0.4059.exe"C:\Users\Admin\AppData\Local\Temp\Proxy Switcher PRO v3.9.0.4059.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3528 -
C:\Users\Admin\AppData\Local\Temp\is-P5HN9.tmp\is-89GNL.tmp"C:\Users\Admin\AppData\Local\Temp\is-P5HN9.tmp\is-89GNL.tmp" /SL4 $A0114 "C:\Users\Admin\AppData\Local\Temp\Proxy Switcher PRO v3.9.0.4059.exe" 3014795 512004⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1300
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4KB
MD5c3679c3ff636d1a6b8c65323540da371
SHA1d184758721a426467b687bec2a4acc80fe44c6f8
SHA256d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb
SHA512494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7
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Filesize
3.1MB
MD5743ffe7093911a1dc10010ea4b703fc4
SHA175debe237e611d093b37cb33188f72726b5d41fe
SHA256cf7d56c3dd612b84113ae3d2f67c68d6b9bb0c40990b6737933ed22922d4c531
SHA5126563d652d8b30c541a623dd70255006ba09b55596c205b48791ed3fc2d85bb3e4187edd77a4f7962a97bdbf29c4ee8926e9381d4a87818cd11934747c5e0aeb7
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Filesize
480KB
MD5649310bf5be8900e493f558882c141ef
SHA1adb0039ceaae0f712ba85cea6c4f397c1e7cc49c
SHA2565b71f9a823043f5025a4163d7e4b3514f65f88cfe0b963c757de5073514dc57a
SHA512b2c38f37e6d5a3cea1046dcb3742f566a58475d5acf94f534015a189c7eccd94390f4ac202f9e629b61950edd9f594995aec46359a20430a7c45794d70e70cf9
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Filesize
615KB
MD5667555fc8d80c030ed5de256404df5c5
SHA144a4ea8240378905cf40527b0bd9da7ffb22416f
SHA25674ef33e3b3298d8ca7166c2b07a490a74c5a9a26b08b9478a524096208d5600a
SHA51288aee726e41cf4e2635deaea68a374a8eda14e82bc65babb566ec60a93fcea823bde67f9d47e69af946b3d1c8c9fb2ea9003fe83b5c401384c64977dfebcc998
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Filesize
395KB
MD5b8fa30233794772b8b76b4b1d91c7321
SHA10cf9561be2528944285e536f41d502be24c3aa87
SHA25614116fa79ccc105fabd312b4dff74933f8684c6b27db37e5e3a79d159092d29a
SHA51210ce8b18e7afb8c7e30bb90b0a1f199ef0b77873fa7a9efc596606e151be6b516c0ec6222a9032bdcc527e80964f53d20a28fa1881a08b4df303b2e28204549d
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Filesize
420B
MD51f637a6ea0498c817c54ced6db9309b0
SHA100ea97dd706511a0e73aa94251b9b62c99ae0fb2
SHA256a546a211b8aa6d61bcba6c4e79856761268ac9c910cd7ab2069d65c2af8234af
SHA51298d24ec0abce200ca31d0b5850659b8899b730f58879768841a9c9e787fd6a6b0d8f15047c2009a07ebc7b17255b17f4cd7ba3b9d897e3c86337d69337a7d855
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Filesize
8KB
MD543f02e9974b1477c1e6388882f233db0
SHA1f3e27b231193f8d5b2e1b09d05ae3a62795cf339
SHA2563c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba
SHA512e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f
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Filesize
5KB
MD5b5a87d630436f958c6e1d82d15f98f96
SHA1d3ff5e92198d4df0f98a918071aca53550bf1cff
SHA256a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2
SHA512fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce
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Filesize
473KB
MD517535dddecf8cb1efdba1f1952126547
SHA1a862a9a3eb6c201751be1038537522a5281ea6cb
SHA2561a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd
SHA512b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8