Analysis
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max time kernel
148s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
05-04-2024 11:41
Static task
static1
Behavioral task
behavioral1
Sample
TSTS 0005A.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
TSTS 0005A.exe
Resource
win10v2004-20240226-en
General
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Target
TSTS 0005A.exe
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Size
922KB
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MD5
b195643d6d8c3f81c7409533ad14726c
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SHA1
c09b56928fb1f448ed9b3610a0b930f77e2ebcfe
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SHA256
f4eaa74eb268a58cff6f5d37607758bd49cc00af060da799857ae10cfd59efb2
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SHA512
b843153f581be5a77b8575cf09e25333d5eaf5af3b689441ad0af336c4494a6181d5882dfa8b2ba2d90acb64cd3db9ab26f1cf87e1991f996d26cbb6990c5fb8
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SSDEEP
24576:JgjHr6DLW5Gaxs00MUVXdtS6seDmw+Op8lCua51:WrpDxclG65mg8lCuo
Malware Config
Extracted
remcos
RemoteHost
sembe.duckdns.org:14645
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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
remcos.exe
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copy_folder
Remcos
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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
logs.dat
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keylog_flag
false
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keylog_folder
notess
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keylog_path
%AppData%
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mouse_option
false
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mutex
Rmc-P0AEMX
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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 SetThreadContext 1 IoCs
Processes:
TSTS 0005A.exedescription pid Process procid_target PID 2276 set thread context of 2784 2276 TSTS 0005A.exe 32 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
powershell.exepid Process 1980 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid Process Token: SeDebugPrivilege 1980 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
TSTS 0005A.exepid Process 2784 TSTS 0005A.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
TSTS 0005A.exedescription pid Process procid_target PID 2276 wrote to memory of 1980 2276 TSTS 0005A.exe 28 PID 2276 wrote to memory of 1980 2276 TSTS 0005A.exe 28 PID 2276 wrote to memory of 1980 2276 TSTS 0005A.exe 28 PID 2276 wrote to memory of 1980 2276 TSTS 0005A.exe 28 PID 2276 wrote to memory of 2656 2276 TSTS 0005A.exe 30 PID 2276 wrote to memory of 2656 2276 TSTS 0005A.exe 30 PID 2276 wrote to memory of 2656 2276 TSTS 0005A.exe 30 PID 2276 wrote to memory of 2656 2276 TSTS 0005A.exe 30 PID 2276 wrote to memory of 2784 2276 TSTS 0005A.exe 32 PID 2276 wrote to memory of 2784 2276 TSTS 0005A.exe 32 PID 2276 wrote to memory of 2784 2276 TSTS 0005A.exe 32 PID 2276 wrote to memory of 2784 2276 TSTS 0005A.exe 32 PID 2276 wrote to memory of 2784 2276 TSTS 0005A.exe 32 PID 2276 wrote to memory of 2784 2276 TSTS 0005A.exe 32 PID 2276 wrote to memory of 2784 2276 TSTS 0005A.exe 32 PID 2276 wrote to memory of 2784 2276 TSTS 0005A.exe 32 PID 2276 wrote to memory of 2784 2276 TSTS 0005A.exe 32 PID 2276 wrote to memory of 2784 2276 TSTS 0005A.exe 32 PID 2276 wrote to memory of 2784 2276 TSTS 0005A.exe 32 PID 2276 wrote to memory of 2784 2276 TSTS 0005A.exe 32 PID 2276 wrote to memory of 2784 2276 TSTS 0005A.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2276 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vcEDbAjawlTHE.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1980
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vcEDbAjawlTHE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp48A4.tmp"2⤵
- Creates scheduled task(s)
PID:2656
-
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C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"2⤵
- Suspicious use of SetWindowsHookEx
PID:2784
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5b0dbfda50a11ba2f398c2de3049cddab
SHA14c7ec19e990cefcf6182c3c9580ed70dac7ec655
SHA256ce16e075234483ce823675820b1544d16148e4340e852a1b049df30dfd51a995
SHA512fcf7d79e2bedc6d05bc1548d36d5a1c67c094e4c71d6e8c1a211e011e95969f1ddd0b7d6b6e7781735507c00832684bb4d3f1faffde66ab1188cf0defde74075
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Filesize
144B
MD58d35c03abb01c9c58fd94dd704e98326
SHA1c53104898af6d9cd4c7906004e6aaef533a1c0b8
SHA25637df8bcee1574b291aab1e384ceb719d07bd7a70cc781904a33bf365db17569b
SHA5120e7bb997411a9f64f283ec4b7a0d793e09a5f38da3d5e4ba7a6c8e954b053bf208925b5ded8f8e9fe0872bd27e8e231c6e075195ab5435cac1759adfc892876c