Analysis
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max time kernel
93s -
max time network
94s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
26-09-2024 13:55
Static task
static1
Behavioral task
behavioral1
Sample
bf20547c930c59781e3da99bfe835489d563d52c281716484e49b1a8384b49a4N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
bf20547c930c59781e3da99bfe835489d563d52c281716484e49b1a8384b49a4N.exe
Resource
win10v2004-20240802-en
General
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Target
bf20547c930c59781e3da99bfe835489d563d52c281716484e49b1a8384b49a4N.exe
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Size
1.1MB
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MD5
25a2d98dfcf6a12ea6459882c56aa2e0
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SHA1
c7c0d3dadfe99b509c83c90c525fa12077f5583b
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SHA256
bf20547c930c59781e3da99bfe835489d563d52c281716484e49b1a8384b49a4
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SHA512
f8fca7f730cf78e807049cd675ac3e5af63b27dc35c5d9af1479af0d2a942525a80e1d3406cc3a337ef5c48d259fc245766dfbd1ba5779088ab230ddd9430fc2
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SSDEEP
24576:XhntGx9yVf41ob4s6ABttGZOATIZXTnR13/Jj:5tGZ1oEEbG8xXj5
Malware Config
Signatures
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Detected Nirsoft tools 11 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral1/memory/2928-43-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/2928-45-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/2928-44-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/2928-49-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/2928-51-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/1340-89-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1340-90-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1340-92-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1364-93-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1364-94-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1364-99-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
NirSoft MailPassView 8 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/2928-43-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/2928-45-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/2928-44-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/2928-49-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/2928-51-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/1340-89-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1340-90-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1340-92-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 8 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/2928-43-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/2928-45-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/2928-44-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/2928-49-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/2928-51-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/1364-93-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1364-94-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1364-99-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Executes dropped EXE 2 IoCs
pid Process 2632 magert.exe 2928 magert.exe -
Loads dropped DLL 1 IoCs
pid Process 1680 bf20547c930c59781e3da99bfe835489d563d52c281716484e49b1a8384b49a4N.exe -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\Music\\magert.exe" bf20547c930c59781e3da99bfe835489d563d52c281716484e49b1a8384b49a4N.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 13 whatismyipaddress.com 10 whatismyipaddress.com 12 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2632 set thread context of 2928 2632 magert.exe 32 PID 2928 set thread context of 1340 2928 magert.exe 34 PID 2928 set thread context of 1364 2928 magert.exe 35 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 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 bf20547c930c59781e3da99bfe835489d563d52c281716484e49b1a8384b49a4N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language magert.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language magert.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe -
Suspicious behavior: EnumeratesProcesses 13 IoCs
pid Process 1680 bf20547c930c59781e3da99bfe835489d563d52c281716484e49b1a8384b49a4N.exe 1680 bf20547c930c59781e3da99bfe835489d563d52c281716484e49b1a8384b49a4N.exe 1680 bf20547c930c59781e3da99bfe835489d563d52c281716484e49b1a8384b49a4N.exe 1680 bf20547c930c59781e3da99bfe835489d563d52c281716484e49b1a8384b49a4N.exe 1680 bf20547c930c59781e3da99bfe835489d563d52c281716484e49b1a8384b49a4N.exe 1680 bf20547c930c59781e3da99bfe835489d563d52c281716484e49b1a8384b49a4N.exe 2632 magert.exe 2632 magert.exe 2632 magert.exe 2632 magert.exe 2632 magert.exe 2632 magert.exe 1364 vbc.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1680 bf20547c930c59781e3da99bfe835489d563d52c281716484e49b1a8384b49a4N.exe Token: SeDebugPrivilege 2632 magert.exe Token: SeDebugPrivilege 2928 magert.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2928 magert.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 1680 wrote to memory of 2632 1680 bf20547c930c59781e3da99bfe835489d563d52c281716484e49b1a8384b49a4N.exe 31 PID 1680 wrote to memory of 2632 1680 bf20547c930c59781e3da99bfe835489d563d52c281716484e49b1a8384b49a4N.exe 31 PID 1680 wrote to memory of 2632 1680 bf20547c930c59781e3da99bfe835489d563d52c281716484e49b1a8384b49a4N.exe 31 PID 1680 wrote to memory of 2632 1680 bf20547c930c59781e3da99bfe835489d563d52c281716484e49b1a8384b49a4N.exe 31 PID 2632 wrote to memory of 2928 2632 magert.exe 32 PID 2632 wrote to memory of 2928 2632 magert.exe 32 PID 2632 wrote to memory of 2928 2632 magert.exe 32 PID 2632 wrote to memory of 2928 2632 magert.exe 32 PID 2632 wrote to memory of 2928 2632 magert.exe 32 PID 2632 wrote to memory of 2928 2632 magert.exe 32 PID 2632 wrote to memory of 2928 2632 magert.exe 32 PID 2632 wrote to memory of 2928 2632 magert.exe 32 PID 2632 wrote to memory of 2928 2632 magert.exe 32 PID 2928 wrote to memory of 1340 2928 magert.exe 34 PID 2928 wrote to memory of 1340 2928 magert.exe 34 PID 2928 wrote to memory of 1340 2928 magert.exe 34 PID 2928 wrote to memory of 1340 2928 magert.exe 34 PID 2928 wrote to memory of 1340 2928 magert.exe 34 PID 2928 wrote to memory of 1340 2928 magert.exe 34 PID 2928 wrote to memory of 1340 2928 magert.exe 34 PID 2928 wrote to memory of 1340 2928 magert.exe 34 PID 2928 wrote to memory of 1340 2928 magert.exe 34 PID 2928 wrote to memory of 1340 2928 magert.exe 34 PID 2928 wrote to memory of 1364 2928 magert.exe 35 PID 2928 wrote to memory of 1364 2928 magert.exe 35 PID 2928 wrote to memory of 1364 2928 magert.exe 35 PID 2928 wrote to memory of 1364 2928 magert.exe 35 PID 2928 wrote to memory of 1364 2928 magert.exe 35 PID 2928 wrote to memory of 1364 2928 magert.exe 35 PID 2928 wrote to memory of 1364 2928 magert.exe 35 PID 2928 wrote to memory of 1364 2928 magert.exe 35 PID 2928 wrote to memory of 1364 2928 magert.exe 35 PID 2928 wrote to memory of 1364 2928 magert.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\bf20547c930c59781e3da99bfe835489d563d52c281716484e49b1a8384b49a4N.exe"C:\Users\Admin\AppData\Local\Temp\bf20547c930c59781e3da99bfe835489d563d52c281716484e49b1a8384b49a4N.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1680 -
C:\Users\Admin\Music\magert.exe"C:\Users\Admin\Music\magert.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2632 -
C:\Users\Admin\Music\magert.exe"C:\Users\Admin\Music\magert.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2928 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"4⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:1340
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1364
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
1.1MB
MD5330f620080c6c0045177d139c19ccc4e
SHA105650676dfd5879d5661f6e72f1753dff5f12e35
SHA256ac9a5e8e1e0de5cf1294b53cf34f2e3390cd2768dda23c083d488448fcf08621
SHA5125abc6914ae5b74ebbe59ec46148947c97f4ef125af4ef4ba7d1b8eb0897119d2b0f4a16642e1303b62537553133029c7939ca48b1380c4533d2b255f97d916af