Analysis
- max time kernel
151s - max time network
150s - platform
windows10_x64 - resource
win10-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
-
smokeloader
-
2020
-
http://host-data-coin-11.com/
-
http://file-coin-host-12.com/
Extracted
-
raccoon
-
10da56e7e71e97bdc1f36eb76813bbc3231de7e4
-
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 behavioral2/memory/2800-123-0x0000000000070000-0x0000000000236000-memory.dmp family_redline behavioral2/memory/2800-124-0x0000000000070000-0x0000000000236000-memory.dmp family_redline behavioral2/memory/2800-129-0x0000000000070000-0x0000000000236000-memory.dmp family_redline behavioral2/memory/2800-130-0x0000000000070000-0x0000000000236000-memory.dmp family_redline - SmokeLoader
Modular backdoor trojan in use since 2014.
- suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
- suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)
suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)
- suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil
suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil
- Arkei Stealer Payload 4 IoCs
resource yara_rule behavioral2/memory/2100-153-0x0000000000400000-0x00000000004D5000-memory.dmp family_arkei behavioral2/memory/2100-152-0x00000000001C0000-0x00000000001DC000-memory.dmp family_arkei behavioral2/memory/2120-204-0x0000000001230000-0x0000000001628000-memory.dmp family_arkei behavioral2/memory/2120-205-0x0000000001230000-0x0000000001628000-memory.dmp family_arkei - Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
- Downloads MZ/PE file
- Executes dropped EXE 12 IoCs
pid Process 2800 8FF7.exe 2100 FA1C.exe 324 FE24.exe 2372 FE24.exe 1952 55BB.exe 1900 5B4A.exe 2120 609B.exe 2276 5B4A.exe 3232 6743.exe 2920 7482.exe 1872 7F32.exe 64 7F32.exe - 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 609B.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 609B.exe - Deletes itself 1 IoCs
pid Process 2984 Process not Found - Loads dropped DLL 6 IoCs
pid Process 2100 FA1C.exe 2100 FA1C.exe 2100 FA1C.exe 2120 609B.exe 2120 609B.exe 2120 609B.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.
-
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 609B.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 2800 8FF7.exe 2120 609B.exe 2120 609B.exe - Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 3260 set thread context of 4076 3260 b85c7fb598909a1cb30195da03a9a96e.exe 69 PID 324 set thread context of 2372 324 FE24.exe 75 PID 1900 set thread context of 2276 1900 5B4A.exe 83 PID 1872 set thread context of 64 1872 7F32.exe 89 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 1 IoCs
pid pid_target Process procid_target 4048 2920 WerFault.exe 85 - Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process 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 5B4A.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 5B4A.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 5B4A.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 609B.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 FA1C.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString FA1C.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 609B.exe - Delays execution with timeout.exe 2 IoCs
pid Process 1264 timeout.exe 1436 timeout.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4076 b85c7fb598909a1cb30195da03a9a96e.exe 4076 b85c7fb598909a1cb30195da03a9a96e.exe 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2984 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 4076 b85c7fb598909a1cb30195da03a9a96e.exe 2276 5B4A.exe - Suspicious use of AdjustPrivilegeToken 58 IoCs
description pid Process Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found Token: SeDebugPrivilege 324 FE24.exe Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found Token: SeDebugPrivilege 2372 FE24.exe Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found Token: SeDebugPrivilege 3232 6743.exe Token: SeRestorePrivilege 4048 WerFault.exe Token: SeBackupPrivilege 4048 WerFault.exe Token: SeDebugPrivilege 4048 WerFault.exe Token: SeDebugPrivilege 1872 7F32.exe Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found Token: SeDebugPrivilege 64 7F32.exe Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found Token: SeShutdownPrivilege 2984 Process not Found Token: SeCreatePagefilePrivilege 2984 Process not Found - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3260 wrote to memory of 4076 3260 b85c7fb598909a1cb30195da03a9a96e.exe 69 PID 3260 wrote to memory of 4076 3260 b85c7fb598909a1cb30195da03a9a96e.exe 69 PID 3260 wrote to memory of 4076 3260 b85c7fb598909a1cb30195da03a9a96e.exe 69 PID 3260 wrote to memory of 4076 3260 b85c7fb598909a1cb30195da03a9a96e.exe 69 PID 3260 wrote to memory of 4076 3260 b85c7fb598909a1cb30195da03a9a96e.exe 69 PID 3260 wrote to memory of 4076 3260 b85c7fb598909a1cb30195da03a9a96e.exe 69 PID 2984 wrote to memory of 2800 2984 Process not Found 70 PID 2984 wrote to memory of 2800 2984 Process not Found 70 PID 2984 wrote to memory of 2800 2984 Process not Found 70 PID 2984 wrote to memory of 2100 2984 Process not Found 73 PID 2984 wrote to memory of 2100 2984 Process not Found 73 PID 2984 wrote to memory of 2100 2984 Process not Found 73 PID 2984 wrote to memory of 324 2984 Process not Found 74 PID 2984 wrote to memory of 324 2984 Process not Found 74 PID 2984 wrote to memory of 324 2984 Process not Found 74 PID 324 wrote to memory of 2372 324 FE24.exe 75 PID 324 wrote to memory of 2372 324 FE24.exe 75 PID 324 wrote to memory of 2372 324 FE24.exe 75 PID 324 wrote to memory of 2372 324 FE24.exe 75 PID 324 wrote to memory of 2372 324 FE24.exe 75 PID 324 wrote to memory of 2372 324 FE24.exe 75 PID 324 wrote to memory of 2372 324 FE24.exe 75 PID 324 wrote to memory of 2372 324 FE24.exe 75 PID 2100 wrote to memory of 968 2100 FA1C.exe 76 PID 2100 wrote to memory of 968 2100 FA1C.exe 76 PID 2100 wrote to memory of 968 2100 FA1C.exe 76 PID 968 wrote to memory of 1264 968 cmd.exe 78 PID 968 wrote to memory of 1264 968 cmd.exe 78 PID 968 wrote to memory of 1264 968 cmd.exe 78 PID 2984 wrote to memory of 1952 2984 Process not Found 80 PID 2984 wrote to memory of 1952 2984 Process not Found 80 PID 2984 wrote to memory of 1952 2984 Process not Found 80 PID 2984 wrote to memory of 1900 2984 Process not Found 81 PID 2984 wrote to memory of 1900 2984 Process not Found 81 PID 2984 wrote to memory of 1900 2984 Process not Found 81 PID 2984 wrote to memory of 2120 2984 Process not Found 82 PID 2984 wrote to memory of 2120 2984 Process not Found 82 PID 2984 wrote to memory of 2120 2984 Process not Found 82 PID 1900 wrote to memory of 2276 1900 5B4A.exe 83 PID 1900 wrote to memory of 2276 1900 5B4A.exe 83 PID 1900 wrote to memory of 2276 1900 5B4A.exe 83 PID 1900 wrote to memory of 2276 1900 5B4A.exe 83 PID 1900 wrote to memory of 2276 1900 5B4A.exe 83 PID 1900 wrote to memory of 2276 1900 5B4A.exe 83 PID 2984 wrote to memory of 3232 2984 Process not Found 84 PID 2984 wrote to memory of 3232 2984 Process not Found 84 PID 2984 wrote to memory of 2920 2984 Process not Found 85 PID 2984 wrote to memory of 2920 2984 Process not Found 85 PID 2984 wrote to memory of 2920 2984 Process not Found 85 PID 2984 wrote to memory of 1872 2984 Process not Found 88 PID 2984 wrote to memory of 1872 2984 Process not Found 88 PID 2984 wrote to memory of 1872 2984 Process not Found 88 PID 1872 wrote to memory of 64 1872 7F32.exe 89 PID 1872 wrote to memory of 64 1872 7F32.exe 89 PID 1872 wrote to memory of 64 1872 7F32.exe 89 PID 1872 wrote to memory of 64 1872 7F32.exe 89 PID 1872 wrote to memory of 64 1872 7F32.exe 89 PID 1872 wrote to memory of 64 1872 7F32.exe 89 PID 1872 wrote to memory of 64 1872 7F32.exe 89 PID 1872 wrote to memory of 64 1872 7F32.exe 89 PID 2120 wrote to memory of 604 2120 609B.exe 90 PID 2120 wrote to memory of 604 2120 609B.exe 90 PID 2120 wrote to memory of 604 2120 609B.exe 90 PID 604 wrote to memory of 1436 604 cmd.exe 92
Processes
-
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:3260 -
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:4076
-
-
C:\Users\Admin\AppData\Local\Temp\8FF7.exeC:\Users\Admin\AppData\Local\Temp\8FF7.exe1⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:2800
-
C:\Users\Admin\AppData\Local\Temp\FA1C.exeC:\Users\Admin\AppData\Local\Temp\FA1C.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\FA1C.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:968 -
C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
PID:1264
-
-
-
C:\Users\Admin\AppData\Local\Temp\FE24.exeC:\Users\Admin\AppData\Local\Temp\FE24.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:324 -
C:\Users\Admin\AppData\Local\Temp\FE24.exeC:\Users\Admin\AppData\Local\Temp\FE24.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2372
-
-
C:\Users\Admin\AppData\Local\Temp\55BB.exeC:\Users\Admin\AppData\Local\Temp\55BB.exe1⤵
- Executes dropped EXE
PID:1952
-
C:\Users\Admin\AppData\Local\Temp\5B4A.exeC:\Users\Admin\AppData\Local\Temp\5B4A.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Users\Admin\AppData\Local\Temp\5B4A.exeC:\Users\Admin\AppData\Local\Temp\5B4A.exe2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2276
-
-
C:\Users\Admin\AppData\Local\Temp\609B.exeC:\Users\Admin\AppData\Local\Temp\609B.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
- Suspicious use of WriteProcessMemory
PID:2120 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\609B.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:604 -
C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
PID:1436
-
-
-
C:\Users\Admin\AppData\Local\Temp\6743.exeC:\Users\Admin\AppData\Local\Temp\6743.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3232
-
C:\Users\Admin\AppData\Local\Temp\7482.exeC:\Users\Admin\AppData\Local\Temp\7482.exe1⤵
- Executes dropped EXE
PID:2920 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 4002⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:4048
-
-
C:\Users\Admin\AppData\Local\Temp\7F32.exeC:\Users\Admin\AppData\Local\Temp\7F32.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1872 -
C:\Users\Admin\AppData\Local\Temp\7F32.exeC:\Users\Admin\AppData\Local\Temp\7F32.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:64
-