Analysis
- max time kernel
150s - max time network
152s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
27/12/2021, 05:41
Static task
static1
Behavioral task
behavioral1
Sample
b85c7fb598909a1cb30195da03a9a96e.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
b85c7fb598909a1cb30195da03a9a96e.exe
Resource
win10-en-20211208
General
- Target b85c7fb598909a1cb30195da03a9a96e.exe
- Size 331KB
- Sample211227-gdfd2aagfr
- SHA256 cdc7207558b703ce70e83a15a5d2f4fa30c33215870558df2ac02bf746ea5db7
- MD5 b85c7fb598909a1cb30195da03a9a96e
- SHA1 e51ff019278173bc47ab3ad8a161107b5509c5c4
- SHA512 60453eaf1a298f0ab94a002246fb0d978765426a3f2a712e605b6eacc7e36c97a73aca938845ca40778deac728d14bf04a1a4e5c56414ca2960783ba38d951ed
- MD5 SHA1 SHA512
Malware Config
Extracted
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smokeloader
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2020
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http://host-data-coin-11.com/
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http://file-coin-host-12.com/
Extracted
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tofsee
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parubey.info
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patmushta.info
Extracted
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raccoon
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10da56e7e71e97bdc1f36eb76813bbc3231de7e4
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url4cnc
http://194.180.174.53/capibar
http://91.219.236.18/capibar
http://194.180.174.41/capibar
http://91.219.236.148/capibar
https://t.me/capibar
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 4 IoCs
resource yara_rule behavioral1/memory/584-66-0x00000000002D0000-0x0000000000496000-memory.dmp family_redline behavioral1/memory/584-65-0x00000000002D0000-0x0000000000496000-memory.dmp family_redline behavioral1/memory/584-75-0x00000000002D0000-0x0000000000496000-memory.dmp family_redline behavioral1/memory/584-76-0x00000000002D0000-0x0000000000496000-memory.dmp family_redline - SmokeLoader
Modular backdoor trojan in use since 2014.
- suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)
suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)
- Arkei Stealer Payload 4 IoCs
resource yara_rule behavioral1/memory/624-94-0x0000000000020000-0x000000000003C000-memory.dmp family_arkei behavioral1/memory/624-96-0x0000000000400000-0x00000000004D5000-memory.dmp family_arkei behavioral1/memory/824-168-0x00000000000C0000-0x00000000004B8000-memory.dmp family_arkei behavioral1/memory/824-166-0x00000000000C0000-0x00000000004B8000-memory.dmp family_arkei - Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
- Creates new service(s) 1 TTPs
- Downloads MZ/PE file
- Executes dropped EXE 12 IoCs
pid Process 584 FE5C.exe 624 6BDE.exe 1876 6F68.exe 1624 7301.exe 1568 mhidrgsa.exe 860 7301.exe 1548 CAF1.exe 1828 D158.exe 1508 D158.exe 824 D7EE.exe 1936 E019.exe 1544 EBF1.exe - Modifies Windows Firewall 1 TTPs
- Sets service image path in registry 2 TTPs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion D7EE.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion D7EE.exe - Deletes itself 1 IoCs
pid Process 1192 Process not Found - Loads dropped DLL 12 IoCs
pid Process 1624 7301.exe 624 6BDE.exe 624 6BDE.exe 624 6BDE.exe 624 6BDE.exe 624 6BDE.exe 1828 D158.exe 824 D7EE.exe 824 D7EE.exe 824 D7EE.exe 824 D7EE.exe 824 D7EE.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
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA D7EE.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 584 FE5C.exe 824 D7EE.exe 824 D7EE.exe - Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 1592 set thread context of 1608 1592 b85c7fb598909a1cb30195da03a9a96e.exe 27 PID 1624 set thread context of 860 1624 7301.exe 34 PID 1568 set thread context of 1188 1568 mhidrgsa.exe 46 PID 1828 set thread context of 1508 1828 D158.exe 55 - Launches sc.exe
Sc.exe is a Windows utlilty to control services on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI D158.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI D158.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b85c7fb598909a1cb30195da03a9a96e.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b85c7fb598909a1cb30195da03a9a96e.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b85c7fb598909a1cb30195da03a9a96e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI D158.exe - Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 6BDE.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 6BDE.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 D7EE.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString D7EE.exe - Delays execution with timeout.exe 2 IoCs
pid Process 1696 timeout.exe 1752 timeout.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1608 b85c7fb598909a1cb30195da03a9a96e.exe 1608 b85c7fb598909a1cb30195da03a9a96e.exe 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1192 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1608 b85c7fb598909a1cb30195da03a9a96e.exe 1508 D158.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1624 7301.exe Token: SeDebugPrivilege 860 7301.exe Token: SeDebugPrivilege 1936 E019.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1192 Process not Found 1192 Process not Found - Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1192 Process not Found 1192 Process not Found - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1592 wrote to memory of 1608 1592 b85c7fb598909a1cb30195da03a9a96e.exe 27 PID 1592 wrote to memory of 1608 1592 b85c7fb598909a1cb30195da03a9a96e.exe 27 PID 1592 wrote to memory of 1608 1592 b85c7fb598909a1cb30195da03a9a96e.exe 27 PID 1592 wrote to memory of 1608 1592 b85c7fb598909a1cb30195da03a9a96e.exe 27 PID 1592 wrote to memory of 1608 1592 b85c7fb598909a1cb30195da03a9a96e.exe 27 PID 1592 wrote to memory of 1608 1592 b85c7fb598909a1cb30195da03a9a96e.exe 27 PID 1592 wrote to memory of 1608 1592 b85c7fb598909a1cb30195da03a9a96e.exe 27 PID 1192 wrote to memory of 584 1192 Process not Found 28 PID 1192 wrote to memory of 584 1192 Process not Found 28 PID 1192 wrote to memory of 584 1192 Process not Found 28 PID 1192 wrote to memory of 584 1192 Process not Found 28 PID 1192 wrote to memory of 584 1192 Process not Found 28 PID 1192 wrote to memory of 584 1192 Process not Found 28 PID 1192 wrote to memory of 584 1192 Process not Found 28 PID 1192 wrote to memory of 624 1192 Process not Found 29 PID 1192 wrote to memory of 624 1192 Process not Found 29 PID 1192 wrote to memory of 624 1192 Process not Found 29 PID 1192 wrote to memory of 624 1192 Process not Found 29 PID 1192 wrote to memory of 1876 1192 Process not Found 30 PID 1192 wrote to memory of 1876 1192 Process not Found 30 PID 1192 wrote to memory of 1876 1192 Process not Found 30 PID 1192 wrote to memory of 1876 1192 Process not Found 30 PID 1192 wrote to memory of 1624 1192 Process not Found 31 PID 1192 wrote to memory of 1624 1192 Process not Found 31 PID 1192 wrote to memory of 1624 1192 Process not Found 31 PID 1192 wrote to memory of 1624 1192 Process not Found 31 PID 1876 wrote to memory of 1348 1876 6F68.exe 32 PID 1876 wrote to memory of 1348 1876 6F68.exe 32 PID 1876 wrote to memory of 1348 1876 6F68.exe 32 PID 1876 wrote to memory of 1348 1876 6F68.exe 32 PID 1624 wrote to memory of 860 1624 7301.exe 34 PID 1624 wrote to memory of 860 1624 7301.exe 34 PID 1624 wrote to memory of 860 1624 7301.exe 34 PID 1624 wrote to memory of 860 1624 7301.exe 34 PID 1876 wrote to memory of 1768 1876 6F68.exe 35 PID 1876 wrote to memory of 1768 1876 6F68.exe 35 PID 1876 wrote to memory of 1768 1876 6F68.exe 35 PID 1876 wrote to memory of 1768 1876 6F68.exe 35 PID 1876 wrote to memory of 1016 1876 6F68.exe 37 PID 1876 wrote to memory of 1016 1876 6F68.exe 37 PID 1876 wrote to memory of 1016 1876 6F68.exe 37 PID 1876 wrote to memory of 1016 1876 6F68.exe 37 PID 1876 wrote to memory of 1960 1876 6F68.exe 39 PID 1876 wrote to memory of 1960 1876 6F68.exe 39 PID 1876 wrote to memory of 1960 1876 6F68.exe 39 PID 1876 wrote to memory of 1960 1876 6F68.exe 39 PID 1876 wrote to memory of 1328 1876 6F68.exe 41 PID 1876 wrote to memory of 1328 1876 6F68.exe 41 PID 1876 wrote to memory of 1328 1876 6F68.exe 41 PID 1876 wrote to memory of 1328 1876 6F68.exe 41 PID 1876 wrote to memory of 952 1876 6F68.exe 44 PID 1876 wrote to memory of 952 1876 6F68.exe 44 PID 1876 wrote to memory of 952 1876 6F68.exe 44 PID 1876 wrote to memory of 952 1876 6F68.exe 44 PID 1624 wrote to memory of 860 1624 7301.exe 34 PID 1624 wrote to memory of 860 1624 7301.exe 34 PID 1624 wrote to memory of 860 1624 7301.exe 34 PID 1624 wrote to memory of 860 1624 7301.exe 34 PID 1624 wrote to memory of 860 1624 7301.exe 34 PID 1568 wrote to memory of 1188 1568 mhidrgsa.exe 46 PID 1568 wrote to memory of 1188 1568 mhidrgsa.exe 46 PID 1568 wrote to memory of 1188 1568 mhidrgsa.exe 46 PID 1568 wrote to memory of 1188 1568 mhidrgsa.exe 46 PID 1568 wrote to memory of 1188 1568 mhidrgsa.exe 46
Processes
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C:\Users\Admin\AppData\Local\Temp\b85c7fb598909a1cb30195da03a9a96e.exe"C:\Users\Admin\AppData\Local\Temp\b85c7fb598909a1cb30195da03a9a96e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1592 -
C:\Users\Admin\AppData\Local\Temp\b85c7fb598909a1cb30195da03a9a96e.exe"C:\Users\Admin\AppData\Local\Temp\b85c7fb598909a1cb30195da03a9a96e.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1608
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C:\Users\Admin\AppData\Local\Temp\FE5C.exeC:\Users\Admin\AppData\Local\Temp\FE5C.exe1⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:584
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C:\Users\Admin\AppData\Local\Temp\6BDE.exeC:\Users\Admin\AppData\Local\Temp\6BDE.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
PID:624 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\6BDE.exe" & exit2⤵PID:1692
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C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
PID:1696
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C:\Users\Admin\AppData\Local\Temp\6F68.exeC:\Users\Admin\AppData\Local\Temp\6F68.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1876 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hjrjocxv\2⤵PID:1348
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mhidrgsa.exe" C:\Windows\SysWOW64\hjrjocxv\2⤵PID:1768
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create hjrjocxv binPath= "C:\Windows\SysWOW64\hjrjocxv\mhidrgsa.exe /d\"C:\Users\Admin\AppData\Local\Temp\6F68.exe\"" type= own start= auto DisplayName= "wifi support"2⤵PID:1016
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description hjrjocxv "wifi internet conection"2⤵PID:1960
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start hjrjocxv2⤵PID:1328
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C:\Windows\SysWOW64\netsh.exe"C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul2⤵PID:952
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C:\Users\Admin\AppData\Local\Temp\7301.exeC:\Users\Admin\AppData\Local\Temp\7301.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1624 -
C:\Users\Admin\AppData\Local\Temp\7301.exeC:\Users\Admin\AppData\Local\Temp\7301.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:860
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C:\Windows\SysWOW64\hjrjocxv\mhidrgsa.exeC:\Windows\SysWOW64\hjrjocxv\mhidrgsa.exe /d"C:\Users\Admin\AppData\Local\Temp\6F68.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1568 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵PID:1188
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C:\Users\Admin\AppData\Local\Temp\CAF1.exeC:\Users\Admin\AppData\Local\Temp\CAF1.exe1⤵
- Executes dropped EXE
PID:1548
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C:\Users\Admin\AppData\Local\Temp\D158.exeC:\Users\Admin\AppData\Local\Temp\D158.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
PID:1828 -
C:\Users\Admin\AppData\Local\Temp\D158.exeC:\Users\Admin\AppData\Local\Temp\D158.exe2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1508
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C:\Users\Admin\AppData\Local\Temp\D7EE.exeC:\Users\Admin\AppData\Local\Temp\D7EE.exe1⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
PID:824 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\D7EE.exe" & exit2⤵PID:1272
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C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
PID:1752
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C:\Users\Admin\AppData\Local\Temp\E019.exeC:\Users\Admin\AppData\Local\Temp\E019.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1936
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C:\Users\Admin\AppData\Local\Temp\EBF1.exeC:\Users\Admin\AppData\Local\Temp\EBF1.exe1⤵
- Executes dropped EXE
PID:1544
Network
MITRE ATT&CK Enterprise v6
Persistence
Modify Existing Service
1New Service
1Registry Run Keys / Startup Folder
1Defense Evasion
Disabling Security Tools
1Modify Registry
2Virtualization/Sandbox Evasion
1