Analysis
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max time kernel
147s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
22-07-2024 13:09
Static task
static1
Behavioral task
behavioral1
Sample
DHL Shipment Document Waybill NO # 1363232194.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
DHL Shipment Document Waybill NO # 1363232194.exe
Resource
win10v2004-20240709-en
General
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Target
DHL Shipment Document Waybill NO # 1363232194.exe
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Size
2.3MB
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MD5
2a65843b474feff5256bd673b4ff88ae
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SHA1
0c80fb17f84d478941ab4d51fddcccaf274da31d
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SHA256
d07cfaeced4e8bba1c9fdc8006dc80105cf654759c4d74d4d2d2964a0f6e9230
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SHA512
7f8a5a684273a031b648129870d493c9a2d63838a8179b8ce32e2c94f956c1a1196ef404d346e6ca42016489fa949b985bc598111dde0249c64c12a668b77292
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SSDEEP
49152:E2u/BMdg532rpsjCMqigjns2+a95PlpiH9MzMrcgt4hzNriBldyQJ/MqmG:DrpEZI0BnlJNh
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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Detected Nirsoft tools 7 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
Processes:
resource yara_rule behavioral1/memory/3024-37-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/2912-33-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral1/memory/2832-32-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral1/memory/2912-29-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral1/memory/2832-28-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral1/memory/2832-42-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral1/memory/2912-47-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft -
NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/2912-33-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral1/memory/2912-29-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral1/memory/2912-47-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/2832-32-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral1/memory/2832-28-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral1/memory/2832-42-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
regasm.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts regasm.exe -
Suspicious use of SetThreadContext 4 IoCs
Processes:
DHL Shipment Document Waybill NO # 1363232194.exeregasm.exedescription pid Process procid_target PID 808 set thread context of 2148 808 DHL Shipment Document Waybill NO # 1363232194.exe 31 PID 2148 set thread context of 2832 2148 regasm.exe 32 PID 2148 set thread context of 2912 2148 regasm.exe 33 PID 2148 set thread context of 3024 2148 regasm.exe 34 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regasm.exepid Process 2832 regasm.exe 2832 regasm.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
Processes:
regasm.exepid Process 2148 regasm.exe 2148 regasm.exe 2148 regasm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
regasm.exedescription pid Process Token: SeDebugPrivilege 3024 regasm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
regasm.exepid Process 2148 regasm.exe -
Suspicious use of WriteProcessMemory 40 IoCs
Processes:
DHL Shipment Document Waybill NO # 1363232194.exeregasm.exedescription pid Process procid_target PID 808 wrote to memory of 2148 808 DHL Shipment Document Waybill NO # 1363232194.exe 31 PID 808 wrote to memory of 2148 808 DHL Shipment Document Waybill NO # 1363232194.exe 31 PID 808 wrote to memory of 2148 808 DHL Shipment Document Waybill NO # 1363232194.exe 31 PID 808 wrote to memory of 2148 808 DHL Shipment Document Waybill NO # 1363232194.exe 31 PID 808 wrote to memory of 2148 808 DHL Shipment Document Waybill NO # 1363232194.exe 31 PID 808 wrote to memory of 2148 808 DHL Shipment Document Waybill NO # 1363232194.exe 31 PID 808 wrote to memory of 2148 808 DHL Shipment Document Waybill NO # 1363232194.exe 31 PID 808 wrote to memory of 2148 808 DHL Shipment Document Waybill NO # 1363232194.exe 31 PID 808 wrote to memory of 2148 808 DHL Shipment Document Waybill NO # 1363232194.exe 31 PID 808 wrote to memory of 2148 808 DHL Shipment Document Waybill NO # 1363232194.exe 31 PID 808 wrote to memory of 2148 808 DHL Shipment Document Waybill NO # 1363232194.exe 31 PID 808 wrote to memory of 2148 808 DHL Shipment Document Waybill NO # 1363232194.exe 31 PID 808 wrote to memory of 2148 808 DHL Shipment Document Waybill NO # 1363232194.exe 31 PID 808 wrote to memory of 2148 808 DHL Shipment Document Waybill NO # 1363232194.exe 31 PID 808 wrote to memory of 2148 808 DHL Shipment Document Waybill NO # 1363232194.exe 31 PID 808 wrote to memory of 2148 808 DHL Shipment Document Waybill NO # 1363232194.exe 31 PID 2148 wrote to memory of 2832 2148 regasm.exe 32 PID 2148 wrote to memory of 2832 2148 regasm.exe 32 PID 2148 wrote to memory of 2832 2148 regasm.exe 32 PID 2148 wrote to memory of 2832 2148 regasm.exe 32 PID 2148 wrote to memory of 2832 2148 regasm.exe 32 PID 2148 wrote to memory of 2832 2148 regasm.exe 32 PID 2148 wrote to memory of 2832 2148 regasm.exe 32 PID 2148 wrote to memory of 2832 2148 regasm.exe 32 PID 2148 wrote to memory of 2912 2148 regasm.exe 33 PID 2148 wrote to memory of 2912 2148 regasm.exe 33 PID 2148 wrote to memory of 2912 2148 regasm.exe 33 PID 2148 wrote to memory of 2912 2148 regasm.exe 33 PID 2148 wrote to memory of 2912 2148 regasm.exe 33 PID 2148 wrote to memory of 2912 2148 regasm.exe 33 PID 2148 wrote to memory of 2912 2148 regasm.exe 33 PID 2148 wrote to memory of 2912 2148 regasm.exe 33 PID 2148 wrote to memory of 3024 2148 regasm.exe 34 PID 2148 wrote to memory of 3024 2148 regasm.exe 34 PID 2148 wrote to memory of 3024 2148 regasm.exe 34 PID 2148 wrote to memory of 3024 2148 regasm.exe 34 PID 2148 wrote to memory of 3024 2148 regasm.exe 34 PID 2148 wrote to memory of 3024 2148 regasm.exe 34 PID 2148 wrote to memory of 3024 2148 regasm.exe 34 PID 2148 wrote to memory of 3024 2148 regasm.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL Shipment Document Waybill NO # 1363232194.exe"C:\Users\Admin\AppData\Local\Temp\DHL Shipment Document Waybill NO # 1363232194.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:808 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2148 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe /stext "C:\Users\Admin\AppData\Local\Temp\gqyub"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:2832
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe /stext "C:\Users\Admin\AppData\Local\Temp\rkmncvrr"3⤵
- Accesses Microsoft Outlook accounts
PID:2912
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe /stext "C:\Users\Admin\AppData\Local\Temp\bfrfdnbkeizp"3⤵
- Suspicious use of AdjustPrivilegeToken
PID:3024
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
144B
MD5f4d47443bc952bfa3f4b7d6c9914ce9b
SHA10f38c0d8bb18abe96a6282de1cbbd629769250b9
SHA256e335007d3b35a0899bb5ddad84bd2de968f46f790c6615c82ad172399acbc4c8
SHA512c812416b2db10b382fcae1c758b170b279deada88dde0dc13844d82a9356d33e18f207af427e3ab71e1406fef169f5a182f608aaea912fe315781a4372d8e6b0
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84