Analysis
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max time kernel
149s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
27/11/2023, 11:52
Static task
static1
Behavioral task
behavioral1
Sample
SecurityBrowser_lan_v1.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
SecurityBrowser_lan_v1.exe
Resource
win10v2004-20231025-en
General
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Target
SecurityBrowser_lan_v1.exe
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Size
1.2MB
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MD5
23928fbbd748586178830468d957af04
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SHA1
8d083f74f1e313d532096721a58939cf1b0005f5
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SHA256
b1641558460e01ae234bc5ddf1b4e9306a836842ef63f82eef87ce7c0fc13ab3
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SHA512
6d03fdec999a46a8ad743f450941262c733b3ecab7e1847f72fe72fdb99603d6b0de52a5bbeba8da745218026fdf5c8ac6766495f36a178e0aac35d813485900
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SSDEEP
24576:U1FvXWeilJJzhVN/XAfsCTv3wbodhYrT6dBDuOIAxsTbtUv:U1tXWeilJJdVN/AUifYrT6dDxCZm
Malware Config
Extracted
remcos
RemoteHost
retghrtgwtrgtg.bounceme.net:3839
listpoints.click:7020
datastream.myvnc.com:5225
gservicese.com:2718
center.onthewifi.com:8118
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audio_folder
MicRecords
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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
explorer.exe
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delete_file
false
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hide_file
true
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hide_keylog_file
false
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install_flag
false
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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mouse_option
false
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mutex
Rmc-OPX7KW
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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
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 2516 created 1236 2516 SecurityBrowser_lan_v1.exe 9 -
Executes dropped EXE 1 IoCs
pid Process 872 atkexComSvc.exe -
Loads dropped DLL 4 IoCs
pid Process 872 atkexComSvc.exe 872 atkexComSvc.exe 872 atkexComSvc.exe 1256 cmd.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 872 set thread context of 1256 872 atkexComSvc.exe 31 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 SecurityBrowser_lan_v1.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 SecurityBrowser_lan_v1.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 SecurityBrowser_lan_v1.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 SecurityBrowser_lan_v1.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2516 SecurityBrowser_lan_v1.exe 2516 SecurityBrowser_lan_v1.exe 872 atkexComSvc.exe 872 atkexComSvc.exe 1256 cmd.exe 1256 cmd.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 872 atkexComSvc.exe 1256 cmd.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2516 wrote to memory of 872 2516 SecurityBrowser_lan_v1.exe 29 PID 2516 wrote to memory of 872 2516 SecurityBrowser_lan_v1.exe 29 PID 2516 wrote to memory of 872 2516 SecurityBrowser_lan_v1.exe 29 PID 2516 wrote to memory of 872 2516 SecurityBrowser_lan_v1.exe 29 PID 872 wrote to memory of 1256 872 atkexComSvc.exe 31 PID 872 wrote to memory of 1256 872 atkexComSvc.exe 31 PID 872 wrote to memory of 1256 872 atkexComSvc.exe 31 PID 872 wrote to memory of 1256 872 atkexComSvc.exe 31 PID 872 wrote to memory of 1256 872 atkexComSvc.exe 31 PID 1256 wrote to memory of 1676 1256 cmd.exe 33 PID 1256 wrote to memory of 1676 1256 cmd.exe 33 PID 1256 wrote to memory of 1676 1256 cmd.exe 33 PID 1256 wrote to memory of 1676 1256 cmd.exe 33 PID 1256 wrote to memory of 1676 1256 cmd.exe 33
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1236
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C:\Users\Admin\AppData\Local\Temp\SecurityBrowser_lan_v1.exe"C:\Users\Admin\AppData\Local\Temp\SecurityBrowser_lan_v1.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2516
-
-
C:\Users\Admin\AppData\Roaming\uninstallSecure\atkexComSvc.exeC:\Users\Admin\AppData\Roaming\uninstallSecure\atkexComSvc.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:872 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1256 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe4⤵PID:1676
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1.1MB
MD5fdbf53138a61beb389d22047ee3fb365
SHA15c9f4b457eda4c92a967055a07f6da2c963f00c3
SHA256f539eb7d4afa80bb410426637e1bb98aa0e5bd88d2e7521f6588893a7f7e44d0
SHA5124929066bd48f8feb8dc1820ab5da1f570a81c986469512a3ccf439ee8141daab92d5092d484c9f7feaa620817488c7de22db4b9a7e615ef5f2fc8797ed9ca7f5
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Filesize
61KB
MD5f3441b8572aae8801c04f3060b550443
SHA14ef0a35436125d6821831ef36c28ffaf196cda15
SHA2566720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf
SHA5125ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9
-
Filesize
163KB
MD59441737383d21192400eca82fda910ec
SHA1725e0d606a4fc9ba44aa8ffde65bed15e65367e4
SHA256bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5
SHA5127608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf
-
Filesize
224KB
MD53f109a02c8d642e8003a1188df40d861
SHA1f723f38471b8872443aa9177eef12a96c02cc84a
SHA2566523b44da6fa7078c7795b7705498e487b0625e28e15aec2d270c6e4a909b5a5
SHA512023696a52d48c465ab62e3ee754b445093b8a0ed0a232b430ce1f0db3dae382c9e1fba210c2b04d1018cc29bfb69c546976912f3939a76e98bcb792ae57af0da
-
Filesize
84KB
MD5e68562f63265e1a70881446b4b9dc455
SHA1da16ef9367bde3ce892b1a0e33bc179d8acdceb3
SHA256c8b16f1c6883a23021da37d9116a757f971fe919d64ef8f9dba17a7d8dd39adb
SHA5126bedea10a5b50f6e93e8566c18970c8ad1b8dfc7d5961069fc5d5216dcdded0b2a2ad8dd91f4ad80f8604d573a343c126df238ee5c448cdc26b899077957a674
-
Filesize
120KB
MD57e8a0f4ffc08b2a792991e0f38acf7fc
SHA102831427b91ff04bbe1317c4f99cfb6e7375d729
SHA2566f50a4bf11f9d329ea94b7e730e03e45f707804d63599fb03a3df55493b29a3c
SHA512e4818a242afac5e95508a0db2da590af422cfcd7fa338d5885e1fba5a23a364562b6c7afe62a082e920eadb8973d6856092de0def92c1313fdbb363b77ad0dfc
-
Filesize
446KB
MD5485008b43f0edceba0e0d3ca04bc1c1a
SHA155ae8f105af415bb763d1b87f6572f078052877c
SHA25612c22ba646232d5d5087d0300d5cfd46fed424f26143a02dc866f1bfceab3c10
SHA512402652786daae635c7405f5fa0924d768cbde2086f9f57b10f00f921dec98e37168f5c3a6baa5593ba9a478f3971d32747c517ffd485d25634c924e6b08815b1
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Filesize
446KB
MD5485008b43f0edceba0e0d3ca04bc1c1a
SHA155ae8f105af415bb763d1b87f6572f078052877c
SHA25612c22ba646232d5d5087d0300d5cfd46fed424f26143a02dc866f1bfceab3c10
SHA512402652786daae635c7405f5fa0924d768cbde2086f9f57b10f00f921dec98e37168f5c3a6baa5593ba9a478f3971d32747c517ffd485d25634c924e6b08815b1
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Filesize
923KB
MD57b1faa606f85160644fc93e9e2f2f125
SHA175bec90e5af020fd5004b03dd0fbd1213e20b196
SHA2564d39a361ec341976f7e7d39a4847430b0a0ab323bda6e77ed3420e2a1dbdfd2e
SHA51224b7372bdf8b3c6d3661bf26339a2066eb94c611155574afe8130ec46cedc71ba1a5901f842c7fa2b8de9174def4aa2ce98ded173a7497d42103faccc00c5613
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Filesize
224KB
MD53f109a02c8d642e8003a1188df40d861
SHA1f723f38471b8872443aa9177eef12a96c02cc84a
SHA2566523b44da6fa7078c7795b7705498e487b0625e28e15aec2d270c6e4a909b5a5
SHA512023696a52d48c465ab62e3ee754b445093b8a0ed0a232b430ce1f0db3dae382c9e1fba210c2b04d1018cc29bfb69c546976912f3939a76e98bcb792ae57af0da
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Filesize
84KB
MD5e68562f63265e1a70881446b4b9dc455
SHA1da16ef9367bde3ce892b1a0e33bc179d8acdceb3
SHA256c8b16f1c6883a23021da37d9116a757f971fe919d64ef8f9dba17a7d8dd39adb
SHA5126bedea10a5b50f6e93e8566c18970c8ad1b8dfc7d5961069fc5d5216dcdded0b2a2ad8dd91f4ad80f8604d573a343c126df238ee5c448cdc26b899077957a674
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Filesize
120KB
MD57e8a0f4ffc08b2a792991e0f38acf7fc
SHA102831427b91ff04bbe1317c4f99cfb6e7375d729
SHA2566f50a4bf11f9d329ea94b7e730e03e45f707804d63599fb03a3df55493b29a3c
SHA512e4818a242afac5e95508a0db2da590af422cfcd7fa338d5885e1fba5a23a364562b6c7afe62a082e920eadb8973d6856092de0def92c1313fdbb363b77ad0dfc
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Filesize
446KB
MD5485008b43f0edceba0e0d3ca04bc1c1a
SHA155ae8f105af415bb763d1b87f6572f078052877c
SHA25612c22ba646232d5d5087d0300d5cfd46fed424f26143a02dc866f1bfceab3c10
SHA512402652786daae635c7405f5fa0924d768cbde2086f9f57b10f00f921dec98e37168f5c3a6baa5593ba9a478f3971d32747c517ffd485d25634c924e6b08815b1