Analysis
-
max time kernel
110s -
max time network
70s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
15-09-2024 08:54
Behavioral task
behavioral1
Sample
202409158b4ff23ebd887a44d0383ef513aca063darkside.exe
Resource
win7-20240903-en
windows7-x64
17 signatures
150 seconds
Behavioral task
behavioral2
Sample
202409158b4ff23ebd887a44d0383ef513aca063darkside.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
21 signatures
150 seconds
General
-
Target
202409158b4ff23ebd887a44d0383ef513aca063darkside.exe
-
Size
146KB
-
MD5
8b4ff23ebd887a44d0383ef513aca063
-
SHA1
ec4d050d74b2088ccdc5e75955a011506e1b1687
-
SHA256
cd4a001ca9419ac6e0220333a5d0a843698abf5bab58040fdf1725df6e2f34ed
-
SHA512
40e6d5ad6137ddbd552e9902d9671ab26eb678499c1249204445cee7896b887a1f0fd48690d7066667459ef3c8e8a4fb2cdb07a93cc02266e21b1555d7f942e8
-
SSDEEP
3072:Y6glyuxE4GsUPnliByocWepf3Ggr5QZLkZKXNx:Y6gDBGpvEByocWeZGgFoz
Malware Config
Signatures
-
Renames multiple (4110) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Deletes itself 1 IoCs
Processes:
B53B.tmppid Process 1992 B53B.tmp -
Executes dropped EXE 1 IoCs
Processes:
B53B.tmppid Process 1992 B53B.tmp -
Loads dropped DLL 1 IoCs
Processes:
202409158b4ff23ebd887a44d0383ef513aca063darkside.exepid Process 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Drops desktop.ini file(s) 2 IoCs
Processes:
202409158b4ff23ebd887a44d0383ef513aca063darkside.exedescription ioc Process File opened for modification C:\$Recycle.Bin\S-1-5-21-457978338-2990298471-2379561640-1000\desktop.ini 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-457978338-2990298471-2379561640-1000\desktop.ini 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
-
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
Processes:
202409158b4ff23ebd887a44d0383ef513aca063darkside.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\SsCWUDNQz.bmp" 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\SsCWUDNQz.bmp" 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
Processes:
202409158b4ff23ebd887a44d0383ef513aca063darkside.exeB53B.tmppid Process 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 1992 B53B.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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.
Processes:
202409158b4ff23ebd887a44d0383ef513aca063darkside.exeB53B.tmpcmd.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language B53B.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Modifies Control Panel 2 IoCs
Processes:
202409158b4ff23ebd887a44d0383ef513aca063darkside.exedescription ioc Process Key created \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Control Panel\Desktop 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Control Panel\Desktop\WallpaperStyle = "10" 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe -
Modifies registry class 5 IoCs
Processes:
202409158b4ff23ebd887a44d0383ef513aca063darkside.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.SsCWUDNQz 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.SsCWUDNQz\ = "SsCWUDNQz" 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\SsCWUDNQz\DefaultIcon 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\SsCWUDNQz 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\SsCWUDNQz\DefaultIcon\ = "C:\\ProgramData\\SsCWUDNQz.ico" 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe -
Suspicious behavior: EnumeratesProcesses 52 IoCs
Processes:
202409158b4ff23ebd887a44d0383ef513aca063darkside.exepid Process 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe -
Suspicious behavior: RenamesItself 26 IoCs
Processes:
B53B.tmppid Process 1992 B53B.tmp 1992 B53B.tmp 1992 B53B.tmp 1992 B53B.tmp 1992 B53B.tmp 1992 B53B.tmp 1992 B53B.tmp 1992 B53B.tmp 1992 B53B.tmp 1992 B53B.tmp 1992 B53B.tmp 1992 B53B.tmp 1992 B53B.tmp 1992 B53B.tmp 1992 B53B.tmp 1992 B53B.tmp 1992 B53B.tmp 1992 B53B.tmp 1992 B53B.tmp 1992 B53B.tmp 1992 B53B.tmp 1992 B53B.tmp 1992 B53B.tmp 1992 B53B.tmp 1992 B53B.tmp 1992 B53B.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
202409158b4ff23ebd887a44d0383ef513aca063darkside.exedescription pid Process Token: SeAssignPrimaryTokenPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeDebugPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: 36 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeImpersonatePrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeIncBasePriorityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeIncreaseQuotaPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: 33 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeManageVolumePrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeProfSingleProcessPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeRestorePrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSystemProfilePrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeTakeOwnershipPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeShutdownPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeDebugPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeBackupPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe Token: SeSecurityPrivilege 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
202409158b4ff23ebd887a44d0383ef513aca063darkside.exeB53B.tmpdescription pid Process procid_target PID 2720 wrote to memory of 1992 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 31 PID 2720 wrote to memory of 1992 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 31 PID 2720 wrote to memory of 1992 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 31 PID 2720 wrote to memory of 1992 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 31 PID 2720 wrote to memory of 1992 2720 202409158b4ff23ebd887a44d0383ef513aca063darkside.exe 31 PID 1992 wrote to memory of 2456 1992 B53B.tmp 32 PID 1992 wrote to memory of 2456 1992 B53B.tmp 32 PID 1992 wrote to memory of 2456 1992 B53B.tmp 32 PID 1992 wrote to memory of 2456 1992 B53B.tmp 32
Processes
-
C:\Users\Admin\AppData\Local\Temp\202409158b4ff23ebd887a44d0383ef513aca063darkside.exe"C:\Users\Admin\AppData\Local\Temp\202409158b4ff23ebd887a44d0383ef513aca063darkside.exe"1⤵
- Loads dropped DLL
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2720 -
C:\ProgramData\B53B.tmp"C:\ProgramData\B53B.tmp"2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1992 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\B53B.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
PID:2456
-
-
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x1501⤵PID:3020
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
129B
MD5d2633b4a8959efae902793d11b016a82
SHA155f3e4f27a4f509e9b005315d281ccd955233148
SHA256969e7ddb8747f2a5be4d86d30bb8a2604331e0df33a9e6d7f382b248e7b73bab
SHA512253dd9bf6b68960d41f2ed96ce4807d90a5a779ec6b7a43b628268d3a781edcdb5da4c84b83513f97911490d5c5922f444a79ce5d7fd78398dc947962c57874a
-
Filesize
343B
MD572b1ffaeb7de456483f491ecceadb088
SHA1ee1953abc295245ab01f35a4a823883826bf2b41
SHA256eb892eac9899b995047733bb17acd4945eb42b7b49f2ee8ad52b8026bc0297a7
SHA512c0e7cad617cf1490bb25fc47936edc3ae164b190ed34f2d2a50e7e84ce6e0d6712a6ba9ab351cca1589266078326a00317516c53fecf96f20eaefe15e92ce445
-
Filesize
146KB
MD5acbb0dc473a73920c4e21619e5efcbc7
SHA13405d63d7d751c52b218f264154b8d99260d9cd1
SHA2562b7636cf934ce8cd957f973a65487f16025a4d89ceab6b2eb4ab80e5df61e558
SHA5123c2eaae3e0f70f279b4f37c3f4f68feb39f66d261c8391bdc745f38590588cd23b23ef95d190ddc09d72742f100492e59e456948126ac5f7f2d4012c92d435e7
-
Filesize
129B
MD504e44a862f65610aa7ec274979edefb2
SHA157029695e713a79d2993fc2f68babc56339ae3d0
SHA25649365a2206e78ba9e39029d94a4a52ae230591d8368be856c9168d295c9d61d8
SHA512e9b0de75eeeb7ed871256e653923ee615b5230f6e60b11743e22bacb632d4e8ea316bd8f5081a7e595e119db1c3634be097a97422a6b733da804714b5034df09
-
Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf