Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
09-05-2024 04:05
Behavioral task
behavioral1
Sample
xIsAJb1izaR6.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
xIsAJb1izaR6.exe
Resource
win10v2004-20240426-en
General
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Target
xIsAJb1izaR6.exe
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Size
483KB
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MD5
ee688e51710c1934c41569aa9f163a7b
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SHA1
7cbff5e6ba0f471116010ee8606686839e457193
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SHA256
91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00
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SHA512
6f22891889e961f51714f28f5703e5d8b8d4fdfe103d479fdc6e87462000e6696fbcbed6eff2daac8f5bcfe6beb7074f2804f52036c4b17bfc0e308cb356414d
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SSDEEP
6144:cXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZsAX4cNi5Gv:cX7tPMK8ctGe4Dzl4h2QnuPs/ZsHcv
Malware Config
Extracted
remcos
rs1_release
dave17.bumbleshrimp.com:52182
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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-5ABRG3
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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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NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/2984-15-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral2/memory/2984-14-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral2/memory/2984-10-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/3356-11-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/3356-16-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/3356-26-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Nirsoft 8 IoCs
resource yara_rule behavioral2/memory/3720-17-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/3720-23-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/3356-11-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/3356-16-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/2984-15-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/2984-14-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/2984-10-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/3356-26-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts xIsAJb1izaR6.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 3528 set thread context of 3356 3528 xIsAJb1izaR6.exe 89 PID 3528 set thread context of 2984 3528 xIsAJb1izaR6.exe 90 PID 3528 set thread context of 3720 3528 xIsAJb1izaR6.exe 91 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3356 xIsAJb1izaR6.exe 3356 xIsAJb1izaR6.exe 3720 xIsAJb1izaR6.exe 3720 xIsAJb1izaR6.exe 3356 xIsAJb1izaR6.exe 3356 xIsAJb1izaR6.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 3528 xIsAJb1izaR6.exe 3528 xIsAJb1izaR6.exe 3528 xIsAJb1izaR6.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3720 xIsAJb1izaR6.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3528 wrote to memory of 3356 3528 xIsAJb1izaR6.exe 89 PID 3528 wrote to memory of 3356 3528 xIsAJb1izaR6.exe 89 PID 3528 wrote to memory of 3356 3528 xIsAJb1izaR6.exe 89 PID 3528 wrote to memory of 2984 3528 xIsAJb1izaR6.exe 90 PID 3528 wrote to memory of 2984 3528 xIsAJb1izaR6.exe 90 PID 3528 wrote to memory of 2984 3528 xIsAJb1izaR6.exe 90 PID 3528 wrote to memory of 3720 3528 xIsAJb1izaR6.exe 91 PID 3528 wrote to memory of 3720 3528 xIsAJb1izaR6.exe 91 PID 3528 wrote to memory of 3720 3528 xIsAJb1izaR6.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe"C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3528 -
C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exeC:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe /stext "C:\Users\Admin\AppData\Local\Temp\jdgy"2⤵
- Suspicious behavior: EnumeratesProcesses
PID:3356
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C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exeC:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe /stext "C:\Users\Admin\AppData\Local\Temp\uxmjgte"2⤵
- Accesses Microsoft Outlook accounts
PID:2984
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C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exeC:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe /stext "C:\Users\Admin\AppData\Local\Temp\ezzbhmpbuj"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3720
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4KB
MD5788d7419b32411807cc6753cbbccecbe
SHA1761b99a1e5bc168f525181d78cff3f6ed82daa14
SHA25676150e857b36f1f070422d2ad4df17f87454466348e4bfc158b028977378140b
SHA5123003f104b0b07870015ff4e9e0d254c2e537d4c68ef664a772d7018827b0ccbeb5481a2ce587b88e6ab1d71d6ce523a620c11c00c676857d5fd5ab949fa617b4