Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
08-11-2024 11:34
Static task
static1
Behavioral task
behavioral1
Sample
RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
General
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Target
RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe
-
Size
950KB
-
MD5
47dc282aac61a2d84456239a1b98323b
-
SHA1
fa355c5f51424e36fdacc15efbd733b2b4b74273
-
SHA256
af62406dbe38427fab6107e84cccff2d956970873557a068335ef4c5e8b32aef
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SHA512
1e6fe2daad9baa61dfcb5b2cfe0c3b923d5e6ead3706e17a1ee5175615e6469a8fddbbc0e5026d7bff13757d4de79f4c655416f2034046194b728558de53087f
-
SSDEEP
24576:jSkd+Dv8sV5MuxyCaOW7yTN9goUIxCZm74qLL:G5D8OhaOW7yTQqCZm74mL
Malware Config
Extracted
remcos
ReBorn
gerfourt99lahjou2.duckdns.org:3487
gerfourt99lahjou2.duckdns.org:3488
gerfourt99lahjou3.duckdns.org:3487
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audio_folder
MicRecords
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audio_path
ApplicationPath
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
-
delete_file
false
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hide_file
false
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hide_keylog_file
true
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install_flag
false
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keylog_crypt
false
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keylog_file
ksaourts.dat
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keylog_flag
false
-
keylog_path
%AppData%
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mouse_option
false
-
mutex
ksajoutr-WG0CPT
-
screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
- startup_value
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
-
Remcos family
-
Loads dropped DLL 2 IoCs
pid Process 3956 RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe 3956 RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Startup key = "C:\\Users\\Admin\\AppData\\Local\\Temp\\subfolder1\\Achroite.exe" RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\genbrugsflaske\tidsglose.ini RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 2748 RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3956 RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe 2748 RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3956 set thread context of 2748 3956 RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe 100 -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\Catallactic.sep RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe File opened for modification C:\Windows\resources\concento\Vedkend.Sei205 RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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 RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3956 RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2748 RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3956 wrote to memory of 2748 3956 RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe 100 PID 3956 wrote to memory of 2748 3956 RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe 100 PID 3956 wrote to memory of 2748 3956 RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe 100 PID 3956 wrote to memory of 2748 3956 RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe 100 PID 3956 wrote to memory of 2748 3956 RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe 100
Processes
-
C:\Users\Admin\AppData\Local\Temp\RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe"C:\Users\Admin\AppData\Local\Temp\RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3956 -
C:\Users\Admin\AppData\Local\Temp\RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe"C:\Users\Admin\AppData\Local\Temp\RAINBOW_ tlumaczenie dokumentow dostawy do CEBI PL_ 11.08.24.exe"2⤵
- Adds Run key to start application
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2748
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
8B
MD5c3cb69218b85c3260387fb582cb518dd
SHA1961c892ded09a4cbb5392097bb845ccba65902ad
SHA2561c329924865741e0222d3ead23072cfbed14f96e2b0432573068eb0640513101
SHA5122402fffeb89c531db742bf6f5466eee8fe13edf97b8ecfc2cace3522806b322924d1ca81dda25e59b4047b8f40ad11ae9216e0a0d5c7fc6beef4368eb9551422
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Filesize
11B
MD59b198a2aaf063ff060bb24b6fa5bb5df
SHA190b3670750dba26a0a1015b9403232ab9d4dd07e
SHA256714144b6001dc56c1d3286dfd64909ca592a11aec7fdab9d290397d5393ab8f6
SHA512840d6d9f4db234e94aefb8b82a0ae406a22aba078ace2199d61a21d7e06190c44a38e2d5857f117de8b2019d90d382d1ce4f17204925951374f34d47fd99b1f7
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Filesize
1B
MD58ce4b16b22b58894aa86c421e8759df3
SHA113fbd79c3d390e5d6585a21e11ff5ec1970cff0c
SHA2568254c329a92850f6d539dd376f4816ee2764517da5e0235514af433164480d7a
SHA5122af8a9104b3f64ed640d8c7e298d2d480f03a3610cbc2b33474321ec59024a48592ea8545e41e09d5d1108759df48ede0054f225df39d4f0f312450e0aa9dd25
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Filesize
2B
MD525bc6654798eb508fa0b6343212a74fe
SHA115d5e1d3b948fd5986aaff7d9419b5e52c75fc93
SHA2568e5202705183bd3a20a29e224499b0f77a8273ee33cd93cca71043c57ad4bdfc
SHA5125868c6241ed3cfcc5c34bfe42e4b9f5c69e74975e524771d8c9f35cafc13fd01cd943ec4d8caefee79a1f4a457e69d20b7a86f88db83a5bc3e6bd8a619972898
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Filesize
3B
MD54e27f2226785e9abbe046fc592668860
SHA128b18a7f383131df509f7191f946a32c5a2e410c
SHA25601a219245e1501fee01ce0baea8f6065ce5162cea12fa570689a07c9717be81d
SHA5122a23585835bdb5db8175cab265566042282841efdcee8aaba8b9b5d466b0f165c0c5973033ce94bb9a8f07a956689247981ea07ac5a51408263e1653d9710adb
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Filesize
4B
MD5cde63b34c142af0a38cbe83791c964f8
SHA1ece2b194b486118b40ad12c1f0e9425dd0672424
SHA25665e2d70166c9a802b7ad2a87129b8945f083e5f268878790a9d1f1c03f47938d
SHA5120559d3d34ad64ccc27e685431c24fc6ead0f645db14fa0e125a64fb67dbd158c15432c1fc5407811aac8a3486090dfbcfcbc3c6bf5aa0ec73f979ef62d14853c
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Filesize
5B
MD5e2fecc970546c3418917879fe354826c
SHA163f1c1dd01b87704a6b6c99fd9f141e0a3064f16
SHA256ff91566d755f5d038ae698a2cc0a7d4d14e5273afafc37b6f03afda163768fa0
SHA5123c4a68cbaee94f986515f43305a0e7620c14c30213d4a17db4a3e8a1b996764eb688bf733f472fc52073c2c80bb5229bb29411d7601aefe1c4370e230c341a0a
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Filesize
12KB
MD512b140583e3273ee1f65016becea58c4
SHA192df24d11797fefd2e1f8d29be9dfd67c56c1ada
SHA256014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042
SHA51249ffdfa1941361430b6acb3555fd3aa05e4120f28cbdf7ceaa2af5937d0b8cccd84471cf63f06f97cf203b4aa20f226bdad082e9421b8e6b62ab6e1e9fc1e68a
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Filesize
6B
MD550484c19f1afdaf3841a0d821ed393d2
SHA1c65a0fb7e74ffd2c9fc3a0f9aacb0f6a24b0a68b
SHA2566923dd1bc0460082c5d55a831908c24a282860b7f1cd6c2b79cf1bc8857c639c
SHA512d51a20d67571fe70bcd6c36e1382a3c342f42671c710090b75fcfc2405ce24488e03a7131eefe4751d0bd3aeaad816605ad10c8e3258d72fcf379e32416cbf3b
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Filesize
9B
MD52b3884fe02299c565e1c37ee7ef99293
SHA1d8e2ef2a52083f6df210109fea53860ea227af9c
SHA256ae789a65914ed002efb82dad89e5a4d4b9ec8e7faae30d0ed6e3c0d20f7d3858
SHA512aeb9374a52d0ad99336bfd4ec7bb7c5437b827845b8784d9c21f7d96a931693604689f6adc3ca25fad132a0ad6123013211ff550f427fa86e4f26c122ac6a0fe
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Filesize
10B
MD59a53fc1d7126c5e7c81bb5c15b15537b
SHA1e2d13e0fa37de4c98f30c728210d6afafbb2b000
SHA256a7de06c22e4e67908840ec3f00ab8fe9e04ae94fb16a74136002afbaf607ff92
SHA512b0bffbb8072dbdcfc68f0e632f727c08fe3ef936b2ef332c08486553ff2cef7b0bcdb400e421a117e977bb0fac17ce4706a8097e32d558a918433646b6d5f1a1
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Filesize
66B
MD53a055708070979e7bf5088d9471320ba
SHA1cb4e803ae05765ee43787cbd3abb91166bbf8fd7
SHA256cc1c32ae1abcb46fd4871832a8b7a51a440905d97709c53e66d16a0cd33276ee
SHA5123f3b5c9c1fdca9e76fda76ff601d11320b4866ee0b0358b014699e33be79252cb94390fb589fa5099b68d00491a207f3fe6223b955a5a4be6f1df1b389fd613e
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Filesize
28B
MD52490402a1d7d19949dd2a237b95af06f
SHA19a960e98c750e3fc7e44cdd6e1af20e690d893b1
SHA256bb92b5197bb4677950b78f816a8170797d0392af55e31d0f0744fe9c99f7e9b8
SHA512f3d299910eee8e8ace51ae3e7d79d12f7f68bfbcdaa0d7b8b66d505c4bdba7d95a97aeefc9f22868989115a99f81e0e3e9480e0d3e9af5fa27d2d9b0e961b52e
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Filesize
44B
MD5a11292439456c3877dd223273f88ce2f
SHA1cbde8e81b850762530c0d960a82eda5ca399e538
SHA256d02310dee3ced92a0be280296fb733c94858c06d62a6eb7fe22cdd38f3fe8ae5
SHA512e4cc180decc607ff549be52de094226d8f2080124fe2e3391a371ab5293294373d910a17f8578dce50ab5e8b20061913f6c378b7258f599a6d9d8ff968f61e7d