Analysis
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max time kernel
149s -
max time network
147s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
21-09-2021 08:30
Static task
static1
Behavioral task
behavioral1
Sample
0d683d2e4fa69e5a5780ffcec285131df7d3467d0f5483ad7d1e918160817886.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
0d683d2e4fa69e5a5780ffcec285131df7d3467d0f5483ad7d1e918160817886.exe
Resource
win10v20210408
General
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Target
0d683d2e4fa69e5a5780ffcec285131df7d3467d0f5483ad7d1e918160817886.exe
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Size
2.2MB
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MD5
5b61e933fb4b526837a23637ff6bef7e
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SHA1
34056a337b596b2bf2682df0ec1247b0ad14a972
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SHA256
0d683d2e4fa69e5a5780ffcec285131df7d3467d0f5483ad7d1e918160817886
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SHA512
2f7ec6cfac3a671334e900d59dd8cd7e66d8ce8ff61e71ac47d805f17e7ccc0ad2066e8c477a0597d318a6802b1a9e7fdcf1890ac08ba45b0cb8cfc938498ea0
Malware Config
Signatures
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Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware 2 IoCs
Processes:
resource yara_rule behavioral1/files/0x00070000000121e5-56.dat family_chaos behavioral1/files/0x00070000000121e5-57.dat family_chaos -
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
Processes:
bcdedit.exebcdedit.exepid Process 1052 bcdedit.exe 852 bcdedit.exe -
Processes:
wbadmin.exepid Process 548 wbadmin.exe -
Executes dropped EXE 1 IoCs
Processes:
getbinomo.exepid Process 756 getbinomo.exe -
Modifies extensions of user files 2 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
getbinomo.exedescription ioc Process File renamed C:\Users\Admin\Pictures\ExitRestore.png => C:\Users\Admin\Pictures\ExitRestore.png.terkunci getbinomo.exe File renamed C:\Users\Admin\Pictures\InvokeGrant.raw => C:\Users\Admin\Pictures\InvokeGrant.raw.terkunci getbinomo.exe -
Drops startup file 3 IoCs
Processes:
getbinomo.exedescription ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini getbinomo.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\read_me.txt getbinomo.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\getbinomo.url getbinomo.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops desktop.ini file(s) 33 IoCs
Processes:
getbinomo.exedescription ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini getbinomo.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini getbinomo.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini getbinomo.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini getbinomo.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini getbinomo.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini getbinomo.exe File opened for modification C:\Users\Public\Pictures\Sample Pictures\desktop.ini getbinomo.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini getbinomo.exe File opened for modification C:\Users\Admin\Documents\desktop.ini getbinomo.exe File opened for modification C:\Users\Admin\Favorites\Links for United States\desktop.ini getbinomo.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini getbinomo.exe File opened for modification C:\Users\Public\Music\desktop.ini getbinomo.exe File opened for modification C:\Users\Public\Music\Sample Music\desktop.ini getbinomo.exe File opened for modification C:\Users\Public\Videos\desktop.ini getbinomo.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini getbinomo.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini getbinomo.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini getbinomo.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini getbinomo.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini getbinomo.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini getbinomo.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini getbinomo.exe File opened for modification C:\Users\Public\Pictures\desktop.ini getbinomo.exe File opened for modification C:\Users\Admin\Music\desktop.ini getbinomo.exe File opened for modification C:\Users\Admin\Searches\desktop.ini getbinomo.exe File opened for modification C:\Users\Admin\Links\desktop.ini getbinomo.exe File opened for modification C:\Users\Public\Videos\Sample Videos\desktop.ini getbinomo.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini getbinomo.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini getbinomo.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini getbinomo.exe File opened for modification C:\Users\Public\Documents\desktop.ini getbinomo.exe File opened for modification C:\Users\Public\Desktop\desktop.ini getbinomo.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini getbinomo.exe File opened for modification C:\Users\Admin\Videos\desktop.ini getbinomo.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
getbinomo.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\o48niymyd.jpg" getbinomo.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
Processes:
vssadmin.exepid Process 1820 vssadmin.exe -
Opens file in notepad (likely ransom note) 1 IoCs
Processes:
NOTEPAD.EXEpid Process 208 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
getbinomo.exepid Process 756 getbinomo.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
0d683d2e4fa69e5a5780ffcec285131df7d3467d0f5483ad7d1e918160817886.exegetbinomo.exepid Process 1432 0d683d2e4fa69e5a5780ffcec285131df7d3467d0f5483ad7d1e918160817886.exe 1432 0d683d2e4fa69e5a5780ffcec285131df7d3467d0f5483ad7d1e918160817886.exe 1432 0d683d2e4fa69e5a5780ffcec285131df7d3467d0f5483ad7d1e918160817886.exe 756 getbinomo.exe 756 getbinomo.exe 756 getbinomo.exe 756 getbinomo.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
0d683d2e4fa69e5a5780ffcec285131df7d3467d0f5483ad7d1e918160817886.exegetbinomo.exevssvc.exeWMIC.exewbengine.exedescription pid Process Token: SeDebugPrivilege 1432 0d683d2e4fa69e5a5780ffcec285131df7d3467d0f5483ad7d1e918160817886.exe Token: SeDebugPrivilege 756 getbinomo.exe Token: SeBackupPrivilege 1124 vssvc.exe Token: SeRestorePrivilege 1124 vssvc.exe Token: SeAuditPrivilege 1124 vssvc.exe Token: SeIncreaseQuotaPrivilege 1664 WMIC.exe Token: SeSecurityPrivilege 1664 WMIC.exe Token: SeTakeOwnershipPrivilege 1664 WMIC.exe Token: SeLoadDriverPrivilege 1664 WMIC.exe Token: SeSystemProfilePrivilege 1664 WMIC.exe Token: SeSystemtimePrivilege 1664 WMIC.exe Token: SeProfSingleProcessPrivilege 1664 WMIC.exe Token: SeIncBasePriorityPrivilege 1664 WMIC.exe Token: SeCreatePagefilePrivilege 1664 WMIC.exe Token: SeBackupPrivilege 1664 WMIC.exe Token: SeRestorePrivilege 1664 WMIC.exe Token: SeShutdownPrivilege 1664 WMIC.exe Token: SeDebugPrivilege 1664 WMIC.exe Token: SeSystemEnvironmentPrivilege 1664 WMIC.exe Token: SeRemoteShutdownPrivilege 1664 WMIC.exe Token: SeUndockPrivilege 1664 WMIC.exe Token: SeManageVolumePrivilege 1664 WMIC.exe Token: 33 1664 WMIC.exe Token: 34 1664 WMIC.exe Token: 35 1664 WMIC.exe Token: SeIncreaseQuotaPrivilege 1664 WMIC.exe Token: SeSecurityPrivilege 1664 WMIC.exe Token: SeTakeOwnershipPrivilege 1664 WMIC.exe Token: SeLoadDriverPrivilege 1664 WMIC.exe Token: SeSystemProfilePrivilege 1664 WMIC.exe Token: SeSystemtimePrivilege 1664 WMIC.exe Token: SeProfSingleProcessPrivilege 1664 WMIC.exe Token: SeIncBasePriorityPrivilege 1664 WMIC.exe Token: SeCreatePagefilePrivilege 1664 WMIC.exe Token: SeBackupPrivilege 1664 WMIC.exe Token: SeRestorePrivilege 1664 WMIC.exe Token: SeShutdownPrivilege 1664 WMIC.exe Token: SeDebugPrivilege 1664 WMIC.exe Token: SeSystemEnvironmentPrivilege 1664 WMIC.exe Token: SeRemoteShutdownPrivilege 1664 WMIC.exe Token: SeUndockPrivilege 1664 WMIC.exe Token: SeManageVolumePrivilege 1664 WMIC.exe Token: 33 1664 WMIC.exe Token: 34 1664 WMIC.exe Token: 35 1664 WMIC.exe Token: SeBackupPrivilege 1700 wbengine.exe Token: SeRestorePrivilege 1700 wbengine.exe Token: SeSecurityPrivilege 1700 wbengine.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
0d683d2e4fa69e5a5780ffcec285131df7d3467d0f5483ad7d1e918160817886.exegetbinomo.execmd.execmd.execmd.exedescription pid Process procid_target PID 1432 wrote to memory of 756 1432 0d683d2e4fa69e5a5780ffcec285131df7d3467d0f5483ad7d1e918160817886.exe 27 PID 1432 wrote to memory of 756 1432 0d683d2e4fa69e5a5780ffcec285131df7d3467d0f5483ad7d1e918160817886.exe 27 PID 1432 wrote to memory of 756 1432 0d683d2e4fa69e5a5780ffcec285131df7d3467d0f5483ad7d1e918160817886.exe 27 PID 756 wrote to memory of 564 756 getbinomo.exe 29 PID 756 wrote to memory of 564 756 getbinomo.exe 29 PID 756 wrote to memory of 564 756 getbinomo.exe 29 PID 564 wrote to memory of 1820 564 cmd.exe 31 PID 564 wrote to memory of 1820 564 cmd.exe 31 PID 564 wrote to memory of 1820 564 cmd.exe 31 PID 564 wrote to memory of 1664 564 cmd.exe 35 PID 564 wrote to memory of 1664 564 cmd.exe 35 PID 564 wrote to memory of 1664 564 cmd.exe 35 PID 756 wrote to memory of 856 756 getbinomo.exe 37 PID 756 wrote to memory of 856 756 getbinomo.exe 37 PID 756 wrote to memory of 856 756 getbinomo.exe 37 PID 856 wrote to memory of 1052 856 cmd.exe 39 PID 856 wrote to memory of 1052 856 cmd.exe 39 PID 856 wrote to memory of 1052 856 cmd.exe 39 PID 856 wrote to memory of 852 856 cmd.exe 40 PID 856 wrote to memory of 852 856 cmd.exe 40 PID 856 wrote to memory of 852 856 cmd.exe 40 PID 756 wrote to memory of 580 756 getbinomo.exe 41 PID 756 wrote to memory of 580 756 getbinomo.exe 41 PID 756 wrote to memory of 580 756 getbinomo.exe 41 PID 580 wrote to memory of 548 580 cmd.exe 43 PID 580 wrote to memory of 548 580 cmd.exe 43 PID 580 wrote to memory of 548 580 cmd.exe 43 PID 756 wrote to memory of 208 756 getbinomo.exe 47 PID 756 wrote to memory of 208 756 getbinomo.exe 47 PID 756 wrote to memory of 208 756 getbinomo.exe 47
Processes
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C:\Users\Admin\AppData\Local\Temp\0d683d2e4fa69e5a5780ffcec285131df7d3467d0f5483ad7d1e918160817886.exe"C:\Users\Admin\AppData\Local\Temp\0d683d2e4fa69e5a5780ffcec285131df7d3467d0f5483ad7d1e918160817886.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1432 -
C:\Users\Admin\AppData\Roaming\getbinomo.exe"C:\Users\Admin\AppData\Roaming\getbinomo.exe"2⤵
- Executes dropped EXE
- Modifies extensions of user files
- Drops startup file
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:756 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:564 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:1820
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1664
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no3⤵
- Suspicious use of WriteProcessMemory
PID:856 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:1052
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:852
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:580 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:548
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_me.txt3⤵
- Opens file in notepad (likely ransom note)
PID:208
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1124
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1700
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:1156
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵PID:1660
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
5b61e933fb4b526837a23637ff6bef7e
SHA134056a337b596b2bf2682df0ec1247b0ad14a972
SHA2560d683d2e4fa69e5a5780ffcec285131df7d3467d0f5483ad7d1e918160817886
SHA5122f7ec6cfac3a671334e900d59dd8cd7e66d8ce8ff61e71ac47d805f17e7ccc0ad2066e8c477a0597d318a6802b1a9e7fdcf1890ac08ba45b0cb8cfc938498ea0
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MD5
5b61e933fb4b526837a23637ff6bef7e
SHA134056a337b596b2bf2682df0ec1247b0ad14a972
SHA2560d683d2e4fa69e5a5780ffcec285131df7d3467d0f5483ad7d1e918160817886
SHA5122f7ec6cfac3a671334e900d59dd8cd7e66d8ce8ff61e71ac47d805f17e7ccc0ad2066e8c477a0597d318a6802b1a9e7fdcf1890ac08ba45b0cb8cfc938498ea0
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MD5
d8dd22720a31e4da09a7ba0ef4ce91d5
SHA1b1cd6b79bd73cceb9723d14a4b49be46d7354f00
SHA256eea8683b94ed210cee610259d1ef2ae07859b09c80d79c789cd1e6e3e17c14ee
SHA512e2abee9d3c760df8210a79f98bc6c67818cf9d1298acfaa986d6f3c2f50f6841603880c31adce7123c22fb93c6eb5ac02085ce34be3335c8d487f9694032d31f