Analysis
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max time kernel
116s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
04-01-2025 03:10
Static task
static1
Behavioral task
behavioral1
Sample
40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe
Resource
win10v2004-20241007-en
General
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Target
40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe
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Size
290KB
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MD5
aa03be1f0f6474da7b79ba5e5981c0e0
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SHA1
b39ca84607b6dc0f7ab2bbff69da4c68e923aaaa
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SHA256
40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062c
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SHA512
a160a7266ac3d5508ccbab489871153da424d5db98ac3dd6f235632558667150282596d4ffa1ef195d279606563d215358e22de46e88ffaad15d525da9acee23
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SSDEEP
6144:1587XCektnluPEsw/eZfXOPB7V1Cfo9FKZ:1MpktnEjGsfOp3a/
Malware Config
Extracted
C:\Users\Admin\Desktop\_HELP_HELP_HELP_NZFB6LU.hta
http://xxxxxxxxxxxxxxxx.xxxxxx.xxx/0DAF-498B-748C-0271-1305http://xxxxxxxxxxxxxxxx.xxxxxx.xxx/0DAF-498B-748C-0271-1305http://xxxxxxxxxxxxxxxx.xxxxxx.xxx/0DAF-498B-748C-0271-1305http://xxxxxxxxxxxxxxxx.xxxxxx.xxx/0DAF-498B-748C-0271-1305http://xxxxxxxxxxxxxxxx.xxxxxx.xxx/0DAF-498B-748C-0271-1305
http://xxxxxxxxxxxxxxxx.onion/0DAF-498B-748C-0271-1305
https://www.baidu.com
Signatures
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Cerber
Cerber is a widely used ransomware-as-a-service (RaaS), first seen in 2017.
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Cerber family
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Blocklisted process makes network request 5 IoCs
flow pid Process 1157 3032 mshta.exe 1160 3032 mshta.exe 1162 3032 mshta.exe 1164 3032 mshta.exe 1166 3032 mshta.exe -
Contacts a large (585) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Deletes itself 1 IoCs
pid Process 832 cmd.exe -
Drops startup file 1 IoCs
description ioc Process File opened for modification \??\c:\users\admin\appdata\roaming\microsoft\word\startup\ 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tmpC14C.bmp" 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe -
Drops file in Program Files directory 20 IoCs
description ioc Process File opened for modification \??\c:\program files (x86)\microsoft\microsoft sql server 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe File opened for modification \??\c:\program files (x86)\microsoft\word 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe File opened for modification \??\c:\program files (x86)\outlook 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe File opened for modification \??\c:\program files (x86)\powerpoint 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe File opened for modification \??\c:\program files (x86)\bitcoin 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe File opened for modification \??\c:\program files (x86)\microsoft\excel 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe File opened for modification \??\c:\program files (x86)\thunderbird 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe File opened for modification \??\c:\program files (x86)\excel 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe File opened for modification \??\c:\program files (x86)\steam 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe File opened for modification \??\c:\program files (x86)\the bat! 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe File opened for modification \??\c:\program files (x86)\word 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe File opened for modification \??\c:\program files (x86)\microsoft sql server 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe File opened for modification \??\c:\program files (x86)\microsoft\office 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe File opened for modification \??\c:\program files (x86)\microsoft\onenote 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe File opened for modification \??\c:\program files (x86)\microsoft\outlook 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe File opened for modification \??\c:\program files (x86)\microsoft\powerpoint 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe File opened for modification \??\c:\program files (x86)\office 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe File opened for modification \??\c:\program files\ 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe File opened for modification \??\c:\program files (x86)\ 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe File opened for modification \??\c:\program files (x86)\onenote 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification \??\c:\windows\ 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe -
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 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 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mshta.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DllHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DllHost.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1816 PING.EXE -
Kills process with taskkill 1 IoCs
pid Process 576 taskkill.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main mshta.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1816 PING.EXE -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2116 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 2116 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe Token: SeDebugPrivilege 576 taskkill.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3040 DllHost.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3040 DllHost.exe 3040 DllHost.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 2116 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2116 wrote to memory of 3032 2116 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe 32 PID 2116 wrote to memory of 3032 2116 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe 32 PID 2116 wrote to memory of 3032 2116 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe 32 PID 2116 wrote to memory of 3032 2116 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe 32 PID 2116 wrote to memory of 832 2116 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe 37 PID 2116 wrote to memory of 832 2116 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe 37 PID 2116 wrote to memory of 832 2116 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe 37 PID 2116 wrote to memory of 832 2116 40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe 37 PID 832 wrote to memory of 576 832 cmd.exe 39 PID 832 wrote to memory of 576 832 cmd.exe 39 PID 832 wrote to memory of 576 832 cmd.exe 39 PID 832 wrote to memory of 1816 832 cmd.exe 40 PID 832 wrote to memory of 1816 832 cmd.exe 40 PID 832 wrote to memory of 1816 832 cmd.exe 40
Processes
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C:\Users\Admin\AppData\Local\Temp\40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe"C:\Users\Admin\AppData\Local\Temp\40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe"1⤵
- Drops startup file
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2116 -
C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_HELP_HELP_HELP_NZFB6LU.hta"2⤵
- Blocklisted process makes network request
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
PID:3032
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:832 -
C:\Windows\system32\taskkill.exetaskkill /f /im "40678437e7c89439d40513d5ac8f829753b93c0007b6b935ee5b062e2c3f062cN.exe"3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:576
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C:\Windows\system32\PING.EXEping -n 1 127.0.0.13⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:1816
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:3040
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}1⤵
- System Location Discovery: System Language Discovery
PID:1216
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
74KB
MD59a69e0f5696a0d1ecd29919cd49baea2
SHA110293e56d4cc1cd19148e0c1f5761f457d35218f
SHA256e79bde941395320d2f25c8e261b502aadf3c9a0a6c33757895b9172cc55941cf
SHA512cfccce5c320f2b7ab0723a8d814c1cc476d8ec0ba59deee72bc5322014c461b17124cb02b2c3defd32ef62436df5f62cb0e9750cbc7837c13be5a726ca9ad0b1
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Filesize
150KB
MD58132da6deb335cf75f567b8c25a0e6fb
SHA1c7b8acad9210285d88d1bbacc89d740744b6880a
SHA2562d05a4f6c78eac5f73bead55373ac9069f92f9429c56b25fed18c366d88166a0
SHA512b92b938652b3e423046f1cd2bc899d8d8b17317b9b5cdf65418a63e8e6186c42a30c7b33bc6f4735ec6f71821510daa4241b60b462db687d952fceca095370cc