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Analysis
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max time kernel
148s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
26/07/2024, 21:54
Static task
static1
Behavioral task
behavioral1
Sample
Shipping documents PO 16103 INV.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
Shipping documents PO 16103 INV.exe
Resource
win10v2004-20240709-en
General
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Target
Shipping documents PO 16103 INV.exe
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Size
2.5MB
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MD5
671423091cbffb473016291d68a5b49b
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SHA1
07f1a0c895fa372f6043fbf013b78321a6939193
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SHA256
31fdf75cd3cf71f770eb158141183b08ed0845b27ecd2e90ce20eb3c4e4642c0
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SHA512
23782fee548af5a284ac9d833041604a4e1965df0c7f7bad6f4eaa7c1f13a0712c2d3218b868c06cb7779df57ec2f79fdb1dcc1b9f951cda95fa095e925f486e
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SSDEEP
49152:Qg7eO7kjTav5AwVZGKY3uS+s1vm1lOt+2QpTay:F7lQfjQd
Malware Config
Extracted
remcos
Dollar Man
178.23.190.118:52499
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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
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-SJ9MVF
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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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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Detected Nirsoft tools 8 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/3860-22-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/4500-33-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/4500-32-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/3860-31-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/4348-30-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/4500-29-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/4348-21-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/4348-35-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/3860-22-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral2/memory/3860-31-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/4348-30-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/4348-21-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/4348-35-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts regsvcs.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 5060 set thread context of 3912 5060 Shipping documents PO 16103 INV.exe 85 PID 3912 set thread context of 4348 3912 regsvcs.exe 89 PID 3912 set thread context of 3860 3912 regsvcs.exe 90 PID 3912 set thread context of 4500 3912 regsvcs.exe 91 -
System Location Discovery: System Language Discovery 1 TTPs 4 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 regsvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvcs.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 5060 Shipping documents PO 16103 INV.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4348 regsvcs.exe 4348 regsvcs.exe 4500 regsvcs.exe 4500 regsvcs.exe 4348 regsvcs.exe 4348 regsvcs.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 3912 regsvcs.exe 3912 regsvcs.exe 3912 regsvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4500 regsvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3912 regsvcs.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 5060 wrote to memory of 3912 5060 Shipping documents PO 16103 INV.exe 85 PID 5060 wrote to memory of 3912 5060 Shipping documents PO 16103 INV.exe 85 PID 5060 wrote to memory of 3912 5060 Shipping documents PO 16103 INV.exe 85 PID 5060 wrote to memory of 3912 5060 Shipping documents PO 16103 INV.exe 85 PID 5060 wrote to memory of 3912 5060 Shipping documents PO 16103 INV.exe 85 PID 5060 wrote to memory of 3912 5060 Shipping documents PO 16103 INV.exe 85 PID 5060 wrote to memory of 3912 5060 Shipping documents PO 16103 INV.exe 85 PID 5060 wrote to memory of 3912 5060 Shipping documents PO 16103 INV.exe 85 PID 5060 wrote to memory of 3912 5060 Shipping documents PO 16103 INV.exe 85 PID 5060 wrote to memory of 3912 5060 Shipping documents PO 16103 INV.exe 85 PID 5060 wrote to memory of 3912 5060 Shipping documents PO 16103 INV.exe 85 PID 5060 wrote to memory of 3912 5060 Shipping documents PO 16103 INV.exe 85 PID 3912 wrote to memory of 4348 3912 regsvcs.exe 89 PID 3912 wrote to memory of 4348 3912 regsvcs.exe 89 PID 3912 wrote to memory of 4348 3912 regsvcs.exe 89 PID 3912 wrote to memory of 4348 3912 regsvcs.exe 89 PID 3912 wrote to memory of 3860 3912 regsvcs.exe 90 PID 3912 wrote to memory of 3860 3912 regsvcs.exe 90 PID 3912 wrote to memory of 3860 3912 regsvcs.exe 90 PID 3912 wrote to memory of 3860 3912 regsvcs.exe 90 PID 3912 wrote to memory of 4500 3912 regsvcs.exe 91 PID 3912 wrote to memory of 4500 3912 regsvcs.exe 91 PID 3912 wrote to memory of 4500 3912 regsvcs.exe 91 PID 3912 wrote to memory of 4500 3912 regsvcs.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\Shipping documents PO 16103 INV.exe"C:\Users\Admin\AppData\Local\Temp\Shipping documents PO 16103 INV.exe"1⤵
- Suspicious use of SetThreadContext
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:5060 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3912 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe /stext "C:\Users\Admin\AppData\Local\Temp\fzoegsxowrcxmahoihkpr"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4348
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe /stext "C:\Users\Admin\AppData\Local\Temp\pbtxhkiikzucphvsrsxjclzx"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:3860
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe /stext "C:\Users\Admin\AppData\Local\Temp\rvghidskgimhznrwidskfqtoilh"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4500
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
144B
MD5090a0cdc39ad7d708af09f3de76bac81
SHA158b700cf07d3ea2a1cac3aa4c1d0371a40815c2d
SHA2568da9a32925fcc8db34fa2b93838c16d7a82a95c4530a1219210ac9a03cffdab1
SHA51237ff0006276de1a7cedd1e86f4b9925525c64a801b4d5e63eee32300c270c4b06918b588a408f84fe6d57e0be9269f29dc9507ffb4581c88a0ceb402e1ae8684
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Filesize
4KB
MD571e3611290752b1a114e303d84e3987f
SHA1210794023f369235615743c802fce5055961ee6e
SHA2565163d0e849d5d39f1e8beb9d13beea8240d532dff6f28433522148628007af06
SHA512d0235dd58f9038009e44c4847535f2bb652f093418fdfd890c01b4b9d8981df3a31e4a89f9099c226becbfe8541015d60f6b852165241d08cb8795d93dd2eb09