Analysis
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max time kernel
144s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
22-04-2024 12:09
Static task
static1
Behavioral task
behavioral1
Sample
RFQ 1Z8A6A658669149902.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
RFQ 1Z8A6A658669149902.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral3
Sample
ravnemorens/Frsteinstanserne/Instantiations.ps1
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
ravnemorens/Frsteinstanserne/Instantiations.ps1
Resource
win10v2004-20240412-en
General
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Target
RFQ 1Z8A6A658669149902.exe
-
Size
520KB
-
MD5
ef53493176b714d7c8c972a756cfd806
-
SHA1
c7c08850f9dd1706a2a2a5b456f5de2b25eb200c
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SHA256
1353d2318463be28ebcffe36398b90b873ee21e2bde3d03f929103729c4b95ea
-
SHA512
eab8465a629001a43631724aaa9293c229286bebb33c943ce197ce5f17419b9b91c6f9be86c4dec68d4b099871abf3fa05807e99876ffa0ee3497f3a5abac2fa
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SSDEEP
12288:fnPdhsFldr2BFS3Cr3HUNdAfZBAfYKBuyhleDJB:vPdhoeBYSrHU7K9KBuRJB
Malware Config
Extracted
remcos
RemoteHost
209.90.234.20:2404
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audio_folder
MicRecords
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audio_record_time
5
-
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-YDAEDG
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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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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/412-175-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral1/memory/412-191-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/944-170-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral1/memory/944-186-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Nirsoft 7 IoCs
Processes:
resource yara_rule behavioral1/memory/944-170-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral1/memory/412-175-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral1/memory/2784-179-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/2784-180-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/2784-181-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/944-186-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral1/memory/412-191-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
wab.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts wab.exe -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
Processes:
wab.exepid process 2704 wab.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
powershell.exewab.exepid process 1512 powershell.exe 2704 wab.exe -
Suspicious use of SetThreadContext 4 IoCs
Processes:
powershell.exewab.exedescription pid process target process PID 1512 set thread context of 2704 1512 powershell.exe wab.exe PID 2704 set thread context of 944 2704 wab.exe wab.exe PID 2704 set thread context of 412 2704 wab.exe wab.exe PID 2704 set thread context of 2784 2704 wab.exe wab.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2940 2704 WerFault.exe wab.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
powershell.exewab.exepid process 1512 powershell.exe 1512 powershell.exe 1512 powershell.exe 1512 powershell.exe 1512 powershell.exe 1512 powershell.exe 1512 powershell.exe 1512 powershell.exe 944 wab.exe 944 wab.exe -
Suspicious behavior: MapViewOfSection 4 IoCs
Processes:
powershell.exewab.exepid process 1512 powershell.exe 2704 wab.exe 2704 wab.exe 2704 wab.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exewab.exedescription pid process Token: SeDebugPrivilege 1512 powershell.exe Token: SeDebugPrivilege 2784 wab.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
wab.exepid process 2704 wab.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
RFQ 1Z8A6A658669149902.exepowershell.exewab.exedescription pid process target process PID 2320 wrote to memory of 1512 2320 RFQ 1Z8A6A658669149902.exe powershell.exe PID 2320 wrote to memory of 1512 2320 RFQ 1Z8A6A658669149902.exe powershell.exe PID 2320 wrote to memory of 1512 2320 RFQ 1Z8A6A658669149902.exe powershell.exe PID 2320 wrote to memory of 1512 2320 RFQ 1Z8A6A658669149902.exe powershell.exe PID 1512 wrote to memory of 1544 1512 powershell.exe cmd.exe PID 1512 wrote to memory of 1544 1512 powershell.exe cmd.exe PID 1512 wrote to memory of 1544 1512 powershell.exe cmd.exe PID 1512 wrote to memory of 1544 1512 powershell.exe cmd.exe PID 1512 wrote to memory of 2704 1512 powershell.exe wab.exe PID 1512 wrote to memory of 2704 1512 powershell.exe wab.exe PID 1512 wrote to memory of 2704 1512 powershell.exe wab.exe PID 1512 wrote to memory of 2704 1512 powershell.exe wab.exe PID 1512 wrote to memory of 2704 1512 powershell.exe wab.exe PID 1512 wrote to memory of 2704 1512 powershell.exe wab.exe PID 2704 wrote to memory of 944 2704 wab.exe wab.exe PID 2704 wrote to memory of 944 2704 wab.exe wab.exe PID 2704 wrote to memory of 944 2704 wab.exe wab.exe PID 2704 wrote to memory of 944 2704 wab.exe wab.exe PID 2704 wrote to memory of 944 2704 wab.exe wab.exe PID 2704 wrote to memory of 412 2704 wab.exe wab.exe PID 2704 wrote to memory of 412 2704 wab.exe wab.exe PID 2704 wrote to memory of 412 2704 wab.exe wab.exe PID 2704 wrote to memory of 412 2704 wab.exe wab.exe PID 2704 wrote to memory of 412 2704 wab.exe wab.exe PID 2704 wrote to memory of 2784 2704 wab.exe wab.exe PID 2704 wrote to memory of 2784 2704 wab.exe wab.exe PID 2704 wrote to memory of 2784 2704 wab.exe wab.exe PID 2704 wrote to memory of 2784 2704 wab.exe wab.exe PID 2704 wrote to memory of 2784 2704 wab.exe wab.exe PID 2704 wrote to memory of 2940 2704 wab.exe WerFault.exe PID 2704 wrote to memory of 2940 2704 wab.exe WerFault.exe PID 2704 wrote to memory of 2940 2704 wab.exe WerFault.exe PID 2704 wrote to memory of 2940 2704 wab.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\RFQ 1Z8A6A658669149902.exe"C:\Users\Admin\AppData\Local\Temp\RFQ 1Z8A6A658669149902.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2320 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden ; $limpiness=Get-Content 'C:\Users\Admin\AppData\Roaming\Usitative\healthless\hovedanpartshaver\ravnemorens\Frsteinstanserne\Instantiations.Lil';$Sears=$limpiness.SubString(55857,3);.$Sears($limpiness)2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1512 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c "set /A 1^^0"3⤵PID:1544
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C:\Program Files (x86)\windows mail\wab.exe"C:\Program Files (x86)\windows mail\wab.exe"3⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2704 -
C:\Program Files (x86)\windows mail\wab.exe"C:\Program Files (x86)\windows mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\ebssprtksxapkganay"4⤵
- Suspicious behavior: EnumeratesProcesses
PID:944 -
C:\Program Files (x86)\windows mail\wab.exe"C:\Program Files (x86)\windows mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\pdylqjdmgfsummprjjykv"4⤵
- Accesses Microsoft Outlook accounts
PID:412 -
C:\Program Files (x86)\windows mail\wab.exe"C:\Program Files (x86)\windows mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\rxddrcogunkzxbldsullyeeoe"4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2784 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 8404⤵
- Program crash
PID:2940
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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C:\Users\Admin\AppData\Roaming\Usitative\healthless\hovedanpartshaver\Keglestubs\Konkursbegringer\Ceyloneseren\Tandkrusenes.Unm
Filesize332KB
MD5fdf7c7dcc4871871d8bc9302bd01c148
SHA19d1f26dfa0773d6ea821954992ae8d416d70d206
SHA256d21e3ddf67c09b2192e823d2969d8f441023764d7d8e7554328aaa547c43604e
SHA512a6abd1b3b367701b22fcfee8715820dac0a0783a847545b3774fbc263213ef3ecaf8bc5d3eaf58ba486e4f0bd2001344a23da962a5722eca5ca44c57a4615dee
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C:\Users\Admin\AppData\Roaming\Usitative\healthless\hovedanpartshaver\ravnemorens\Frsteinstanserne\Instantiations.Lil
Filesize54KB
MD563d0c546b30964e943c2ac8fd5e236db
SHA17d46713cb1d3cbfe25efcaf24369fb067d310920
SHA256eb26aa5b4ec7a1c0c0ad2be344c02a23f770815a40e84e5b1b5fe24c9b64edda
SHA51291399fec920e3be9526e1af39a632512c6c00cea3566a9ce43fdbadf813c5b2b830620bfc381747b195a4e2c52b8ef4d81295b484ea6ed925979a97b8cf6a1ed
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Filesize
1KB
MD52ce182ea872b96d790e625e1b955ec5c
SHA17e991f9a103eee1942b5c8e0d2e5f9865318cc97
SHA2568e3a63890f3fbca874e6f583342922c7f3db61af447413e3f47d126f2c1d2151
SHA512c6d61cd3b3feae026fe8467e8c400965885c11e3ac3c446bec5b7e6605646bedbb05e1aaaebb3c1e806e48e9851788f8f0dbd82d645ca07944333000c7732682