Analysis
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max time kernel
94s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-01-2025 04:38
Static task
static1
Behavioral task
behavioral1
Sample
12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
Gelsenkirchen.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
Gelsenkirchen.dll
Resource
win10v2004-20241007-en
General
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Target
12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe
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Size
300KB
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MD5
619f6f44269c296076a4c72a40e16ea0
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SHA1
2f77706797ee55562e7ee09cd751ba90b882c438
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SHA256
12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1f
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SHA512
e571593e12a0d0921ce276c2c3f6e47d790d9d0cb57da21c1fcd1e5e1ca15c12e5fd5e1d9ba0398636ed1d5bdce302c94a22d038c8291130806d69e962b3d99f
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SSDEEP
6144:sUx+81tUsgkHQhC+/SFoP325TWO4W8F60jz0t6pcQM8T/XwHxk3mOsIgld:VFnHGC+/8QqN47Fp0t6pcQbXn3mJIgld
Malware Config
Extracted
C:\Users\Admin\AppData\Roaming\Microsoft\OneNote\16.0\_HOW_TO_DECRYPT_JZMK_.hta
cerber
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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Contacts a large (588) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe -
Drops startup file 1 IoCs
description ioc Process File opened for modification \??\c:\users\admin\appdata\roaming\microsoft\word\startup\ 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe -
Loads dropped DLL 3 IoCs
pid Process 1120 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe 1120 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe 1120 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tmp2BDD.bmp" 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1120 set thread context of 4072 1120 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe 84 -
Drops file in Program Files directory 20 IoCs
description ioc Process File opened for modification \??\c:\program files\ 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe File opened for modification \??\c:\program files (x86)\microsoft\office 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe File opened for modification \??\c:\program files (x86)\microsoft\onenote 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe File opened for modification \??\c:\program files (x86)\microsoft\powerpoint 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe File opened for modification \??\c:\program files (x86)\outlook 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe File opened for modification \??\c:\program files (x86)\ 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe File opened for modification \??\c:\program files (x86)\excel 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe File opened for modification \??\c:\program files (x86)\microsoft\microsoft sql server 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe File opened for modification \??\c:\program files (x86)\powerpoint 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe File opened for modification \??\c:\program files (x86)\the bat! 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe File opened for modification \??\c:\program files (x86)\word 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe File opened for modification \??\c:\program files (x86)\microsoft\word 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe File opened for modification \??\c:\program files (x86)\office 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe File opened for modification \??\c:\program files (x86)\onenote 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe File opened for modification \??\c:\program files (x86)\thunderbird 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe File opened for modification \??\c:\program files (x86)\bitcoin 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe File opened for modification \??\c:\program files (x86)\microsoft sql server 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe File opened for modification \??\c:\program files (x86)\microsoft\excel 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe File opened for modification \??\c:\program files (x86)\microsoft\outlook 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe File opened for modification \??\c:\program files (x86)\steam 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification \??\c:\windows\ 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.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 3 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 mshta.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2792 PING.EXE -
Kills process with taskkill 1 IoCs
pid Process 2368 taskkill.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2792 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4072 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe 4072 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeShutdownPrivilege 4072 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe Token: SeCreatePagefilePrivilege 4072 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe Token: 33 4948 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 4948 AUDIODG.EXE Token: SeDebugPrivilege 2368 taskkill.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1120 wrote to memory of 4072 1120 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe 84 PID 1120 wrote to memory of 4072 1120 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe 84 PID 1120 wrote to memory of 4072 1120 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe 84 PID 1120 wrote to memory of 4072 1120 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe 84 PID 1120 wrote to memory of 4072 1120 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe 84 PID 1120 wrote to memory of 4072 1120 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe 84 PID 1120 wrote to memory of 4072 1120 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe 84 PID 1120 wrote to memory of 4072 1120 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe 84 PID 1120 wrote to memory of 4072 1120 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe 84 PID 4072 wrote to memory of 4748 4072 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe 100 PID 4072 wrote to memory of 4748 4072 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe 100 PID 4072 wrote to memory of 4748 4072 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe 100 PID 4072 wrote to memory of 4492 4072 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe 104 PID 4072 wrote to memory of 4492 4072 12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe 104 PID 4492 wrote to memory of 2368 4492 cmd.exe 106 PID 4492 wrote to memory of 2368 4492 cmd.exe 106 PID 4492 wrote to memory of 2792 4492 cmd.exe 107 PID 4492 wrote to memory of 2792 4492 cmd.exe 107
Processes
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C:\Users\Admin\AppData\Local\Temp\12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe"C:\Users\Admin\AppData\Local\Temp\12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1120 -
C:\Users\Admin\AppData\Local\Temp\12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe"C:\Users\Admin\AppData\Local\Temp\12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe"2⤵
- Checks computer location settings
- 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
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4072 -
C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_HOW_TO_DECRYPT_H0U7F4_.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}3⤵
- System Location Discovery: System Language Discovery
PID:4748
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:4492 -
C:\Windows\system32\taskkill.exetaskkill /f /im "12b46d737df267afe9075d02d14360af5bfdae9568158afbe65e488cb6889c1fN.exe"4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2368
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C:\Windows\system32\PING.EXEping -n 1 127.0.0.14⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2792
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x3c8 0x5081⤵
- Suspicious use of AdjustPrivilegeToken
PID:4948
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
148KB
MD5f7b38cfb938ad523171b90e0230d6a96
SHA12b1141db385d2f02448618967a5560438c79ea31
SHA2563e58ad4e77d20cc761c472eb1c7bfdaabbcc657fdd05e099858cd0f16d5d7339
SHA512cedbcaec28802495b97545326ded0c579a480b8aa8c05455aa61e00b5d9153c1a6327ac23f70d7623b43386817014063dc33bf36fceb61fe9ebf0dd06b699ffc
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Filesize
11KB
MD5883eff06ac96966270731e4e22817e11
SHA1523c87c98236cbc04430e87ec19b977595092ac8
SHA25644e5dfd551b38e886214bd6b9c8ee913c4c4d1f085a6575d97c3e892b925da82
SHA51260333253342476911c84bbc1d9bf8a29f811207787fdd6107dce8d2b6e031669303f28133ffc811971ed7792087fe90fb1faabc0af4e91c298ba51e28109a390
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Filesize
66KB
MD543314a5dab6d7c40c217437bcfc5bf71
SHA1800629772c86333da8e49272db220993e80240c1
SHA256374e3a011e02f16ad134f07ec7de5fe738a927f0c821eaa8d387dd5e969ef7e8
SHA512bc38874b9b5888468e1b3fca7feb260c6a5e19648be8d04f47b43b22fe0474d1e51e0a78baa8106fc132d5624fc7ddcc4b7175782d4497ff7ebdfd1edf22fe3e
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Filesize
150KB
MD5f040da9ee82cdf2475cc5285835a44f0
SHA155d08d2a2d9d3bee5a7bc08b9cbf85446cc65c53
SHA2564cf3e95590a7621529f6f119a82eb96c90fc21e6f019a982296064310c3d8178
SHA512929800aacc4395276e78ca8a31053c476ea26d349208beb9a187d17319b8aa9e908b5a5b1fa648a3cf9a01a54aa5580fafcb27ce0049a9b4aeecdb3872978c73