Analysis
- max time kernel
150s - max time network
160s - platform
windows10_x64 - resource
win10v20210408 - submitted
10/08/2021, 07:40
Static task
static1
Behavioral task
behavioral1
Sample
cbbfe74029e6eb81ccc66d728428b328.exe
Resource
win7v20210410
0 signatures
0 seconds
General
- Target cbbfe74029e6eb81ccc66d728428b328.exe
- Size 596KB
- Sample210810-95txzhd6mn
- SHA256 e40c1359fa0e86c65f50363b88e29a7d4d24990195cc766273203c496393ebe4
- MD5 cbbfe74029e6eb81ccc66d728428b328
- SHA1 75ca75a839b5605286385329839d01986b11b19d
- SHA512 9a8e97265e9a777c8d5e7b9508c444b574a58dad184c6b008ecda3106926e9c0eed15d11c220282054d70d7a61afceb308c4d4c6ed611a0c0a516e5f4aef1c12
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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cryptbot
C2
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lysvay12.top
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moroer01.top
Attributes
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payload_url
http://damuxa01.top/download.php?file=lv.exe
Signatures
- CryptBot Payload 2 IoCs
resource yara_rule behavioral2/memory/3128-114-0x0000000004A20000-0x0000000004AC0000-memory.dmp family_cryptbot behavioral2/memory/3128-115-0x0000000000400000-0x0000000002CCB000-memory.dmp family_cryptbot - Danabot Loader Component 7 IoCs
resource yara_rule behavioral2/files/0x000200000001ab40-166.dat DanabotLoader2021 behavioral2/files/0x000200000001ab40-168.dat DanabotLoader2021 behavioral2/files/0x000200000001ab40-167.dat DanabotLoader2021 behavioral2/memory/2100-169-0x0000000000B40000-0x0000000000C9D000-memory.dmp DanabotLoader2021 behavioral2/files/0x000200000001ab40-180.dat DanabotLoader2021 behavioral2/files/0x000200000001ab40-181.dat DanabotLoader2021 behavioral2/memory/3844-182-0x0000000000B00000-0x0000000000C5D000-memory.dmp DanabotLoader2021 - suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
- Blocklisted process makes network request 5 IoCs
flow pid Process 38 1312 WScript.exe 40 1312 WScript.exe 42 1312 WScript.exe 44 1312 WScript.exe 46 2100 rundll32.exe - Downloads MZ/PE file
- Executes dropped EXE 7 IoCs
pid Process 3804 Filett.exe 1320 vn.exe 2068 four.exe 2180 Voto.exe.com 1732 Voto.exe.com 628 SmartClock.exe 3540 rsnpwtklldp.exe - Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SmartClock.lnk four.exe - Loads dropped DLL 5 IoCs
pid Process 3804 Filett.exe 2100 rundll32.exe 2100 rundll32.exe 3844 RUNDLL32.EXE 3844 RUNDLL32.EXE - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce vn.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" vn.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 22 ip-api.com - Drops file in Program Files directory 4 IoCs
description ioc Process File created C:\Program Files (x86)\foler\olader\acppage.dll Filett.exe File created C:\Program Files (x86)\foler\olader\adprovider.dll Filett.exe File created C:\Program Files (x86)\foler\olader\acledit.dll Filett.exe File created C:\PROGRA~3\Jvgzbfh.tmp rundll32.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 24 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Platform Specific Field 1 RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Status RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\FeatureSet RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Status RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Previous Update Revision RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Previous Update Revision RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString RUNDLL32.EXE Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 cbbfe74029e6eb81ccc66d728428b328.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString Voto.exe.com Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RUNDLL32.EXE Key enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Configuration Data RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1 RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString cbbfe74029e6eb81ccc66d728428b328.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 Voto.exe.com Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RUNDLL32.EXE Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor RUNDLL32.EXE Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 RUNDLL32.EXE - Delays execution with timeout.exe 1 IoCs
pid Process 3732 timeout.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings Voto.exe.com -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 WScript.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 WScript.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 1628 PING.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 628 SmartClock.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3128 cbbfe74029e6eb81ccc66d728428b328.exe 3128 cbbfe74029e6eb81ccc66d728428b328.exe - Suspicious use of WriteProcessMemory 54 IoCs
description pid Process procid_target PID 3128 wrote to memory of 3804 3128 cbbfe74029e6eb81ccc66d728428b328.exe 78 PID 3128 wrote to memory of 3804 3128 cbbfe74029e6eb81ccc66d728428b328.exe 78 PID 3128 wrote to memory of 3804 3128 cbbfe74029e6eb81ccc66d728428b328.exe 78 PID 3128 wrote to memory of 496 3128 cbbfe74029e6eb81ccc66d728428b328.exe 79 PID 3128 wrote to memory of 496 3128 cbbfe74029e6eb81ccc66d728428b328.exe 79 PID 3128 wrote to memory of 496 3128 cbbfe74029e6eb81ccc66d728428b328.exe 79 PID 3804 wrote to memory of 1320 3804 Filett.exe 81 PID 3804 wrote to memory of 1320 3804 Filett.exe 81 PID 3804 wrote to memory of 1320 3804 Filett.exe 81 PID 3804 wrote to memory of 2068 3804 Filett.exe 82 PID 3804 wrote to memory of 2068 3804 Filett.exe 82 PID 3804 wrote to memory of 2068 3804 Filett.exe 82 PID 496 wrote to memory of 3732 496 cmd.exe 83 PID 496 wrote to memory of 3732 496 cmd.exe 83 PID 496 wrote to memory of 3732 496 cmd.exe 83 PID 1320 wrote to memory of 484 1320 vn.exe 84 PID 1320 wrote to memory of 484 1320 vn.exe 84 PID 1320 wrote to memory of 484 1320 vn.exe 84 PID 1320 wrote to memory of 1292 1320 vn.exe 85 PID 1320 wrote to memory of 1292 1320 vn.exe 85 PID 1320 wrote to memory of 1292 1320 vn.exe 85 PID 1292 wrote to memory of 2008 1292 cmd.exe 87 PID 1292 wrote to memory of 2008 1292 cmd.exe 87 PID 1292 wrote to memory of 2008 1292 cmd.exe 87 PID 2008 wrote to memory of 2416 2008 cmd.exe 88 PID 2008 wrote to memory of 2416 2008 cmd.exe 88 PID 2008 wrote to memory of 2416 2008 cmd.exe 88 PID 2008 wrote to memory of 2180 2008 cmd.exe 89 PID 2008 wrote to memory of 2180 2008 cmd.exe 89 PID 2008 wrote to memory of 2180 2008 cmd.exe 89 PID 2008 wrote to memory of 1628 2008 cmd.exe 90 PID 2008 wrote to memory of 1628 2008 cmd.exe 90 PID 2008 wrote to memory of 1628 2008 cmd.exe 90 PID 2180 wrote to memory of 1732 2180 Voto.exe.com 91 PID 2180 wrote to memory of 1732 2180 Voto.exe.com 91 PID 2180 wrote to memory of 1732 2180 Voto.exe.com 91 PID 2068 wrote to memory of 628 2068 four.exe 92 PID 2068 wrote to memory of 628 2068 four.exe 92 PID 2068 wrote to memory of 628 2068 four.exe 92 PID 1732 wrote to memory of 3540 1732 Voto.exe.com 93 PID 1732 wrote to memory of 3540 1732 Voto.exe.com 93 PID 1732 wrote to memory of 3540 1732 Voto.exe.com 93 PID 1732 wrote to memory of 1240 1732 Voto.exe.com 94 PID 1732 wrote to memory of 1240 1732 Voto.exe.com 94 PID 1732 wrote to memory of 1240 1732 Voto.exe.com 94 PID 3540 wrote to memory of 2100 3540 rsnpwtklldp.exe 95 PID 3540 wrote to memory of 2100 3540 rsnpwtklldp.exe 95 PID 3540 wrote to memory of 2100 3540 rsnpwtklldp.exe 95 PID 1732 wrote to memory of 1312 1732 Voto.exe.com 96 PID 1732 wrote to memory of 1312 1732 Voto.exe.com 96 PID 1732 wrote to memory of 1312 1732 Voto.exe.com 96 PID 2100 wrote to memory of 3844 2100 rundll32.exe 97 PID 2100 wrote to memory of 3844 2100 rundll32.exe 97 PID 2100 wrote to memory of 3844 2100 rundll32.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\cbbfe74029e6eb81ccc66d728428b328.exe"C:\Users\Admin\AppData\Local\Temp\cbbfe74029e6eb81ccc66d728428b328.exe"1⤵
- Checks processor information in registry
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3128 -
C:\Users\Admin\AppData\Local\Temp\Filett.exe"C:\Users\Admin\AppData\Local\Temp\Filett.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3804 -
C:\Users\Admin\AppData\Local\Temp\namoi\vn.exe"C:\Users\Admin\AppData\Local\Temp\namoi\vn.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1320 -
C:\Windows\SysWOW64\dllhost.exedllhost.exe4⤵PID:484
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C:\Windows\SysWOW64\cmd.execmd /c cmd < Ritorni.docm4⤵
- Suspicious use of WriteProcessMemory
PID:1292 -
C:\Windows\SysWOW64\cmd.execmd5⤵
- Suspicious use of WriteProcessMemory
PID:2008 -
C:\Windows\SysWOW64\findstr.exefindstr /V /R "^LodkRlBSRrPGkJmvfGWoQmKxYYFITWniLRlmgrMsXQEOYkwWHltAFiajnWhTFSYVFIVzmZojUEkZUVvMWJqISXBDmYw$" Esistenza.docm6⤵PID:2416
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Voto.exe.comVoto.exe.com f6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2180 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Voto.exe.comC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Voto.exe.com f7⤵
- Executes dropped EXE
- Checks processor information in registry
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1732 -
C:\Users\Admin\AppData\Local\Temp\rsnpwtklldp.exe"C:\Users\Admin\AppData\Local\Temp\rsnpwtklldp.exe"8⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3540 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\RSNPWT~1.TMP,S C:\Users\Admin\AppData\Local\Temp\RSNPWT~1.EXE9⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Windows\SysWOW64\RUNDLL32.EXEC:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\RSNPWT~1.TMP,algSTTlXM1d110⤵
- Loads dropped DLL
- Checks processor information in registry
PID:3844
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\mjduqofwrun.vbs"8⤵PID:1240
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\btuanloy.vbs"8⤵
- Blocklisted process makes network request
- Modifies system certificate store
PID:1312
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C:\Windows\SysWOW64\PING.EXEping localhost -n 306⤵
- Runs ping.exe
PID:1628
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C:\Users\Admin\AppData\Local\Temp\namoi\four.exe"C:\Users\Admin\AppData\Local\Temp\namoi\four.exe"3⤵
- Executes dropped EXE
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:2068 -
C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: AddClipboardFormatListener
PID:628
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\KJZ1CtUF & timeout 2 & del /f /q "C:\Users\Admin\AppData\Local\Temp\cbbfe74029e6eb81ccc66d728428b328.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:496 -
C:\Windows\SysWOW64\timeout.exetimeout 23⤵
- Delays execution with timeout.exe
PID:3732
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