Analysis
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max time kernel
151s -
max time network
149s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
26-09-2021 16:11
Static task
static1
Behavioral task
behavioral1
Sample
831ba3bb4dfd40bf0408d07a186eb216.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
831ba3bb4dfd40bf0408d07a186eb216.exe
Resource
win10v20210408
General
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Target
831ba3bb4dfd40bf0408d07a186eb216.exe
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Size
140KB
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MD5
831ba3bb4dfd40bf0408d07a186eb216
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SHA1
adf6f3514edc63b5ce5b91d3bc781a13bb176247
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SHA256
f6ede8409878ceb95b88f9cc7064b816568a0be6a933676709152de794173e1a
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SHA512
e1c4f66d3aa75dce06993a49bc511cfaae178651b96860114f49df36ff48a5e4f8c7eb8b26a4675b0d53597a103034a7c06f1be7a4d60fdf9638af15c3546da7
Malware Config
Extracted
smokeloader
2020
http://naghenrietti1.top/
http://kimballiett2.top/
http://xadriettany3.top/
http://jebeccallis4.top/
http://nityanneron5.top/
http://umayaniela6.top/
http://lynettaram7.top/
http://sadineyalas8.top/
http://geenaldencia9.top/
http://aradysiusep10.top/
Extracted
raccoon
5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4
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url4cnc
https://t.me/agrybirdsgamerept
Extracted
redline
karma
94.103.9.133:39323
Extracted
redline
Bliss
185.237.98.178:62607
Signatures
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Generic Chinese Botnet
A botnet originating from China which is currently unnamed publicly.
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine Payload 4 IoCs
resource yara_rule behavioral2/memory/2188-172-0x0000000002440000-0x000000000245F000-memory.dmp family_redline behavioral2/memory/2188-174-0x00000000024B0000-0x00000000024CE000-memory.dmp family_redline behavioral2/memory/3032-175-0x0000000002230000-0x0000000002253000-memory.dmp family_redline behavioral2/memory/3032-180-0x0000000002440000-0x0000000002462000-memory.dmp family_redline -
SmokeLoader
Modular backdoor trojan in use since 2014.
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suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)
suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)
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suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt
suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt
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Arkei Stealer Payload 1 IoCs
resource yara_rule behavioral2/memory/1628-136-0x0000000000400000-0x000000000044D000-memory.dmp family_arkei -
Chinese Botnet Payload 1 IoCs
resource yara_rule behavioral2/memory/3964-204-0x0000000010000000-0x0000000010018000-memory.dmp unk_chinese_botnet -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
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Downloads MZ/PE file
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Executes dropped EXE 7 IoCs
pid Process 356 C956.exe 1384 CE58.exe 1628 D406.exe 3972 DA02.exe 2188 SindonsWelfare_2021-09-26_15-02.exe 3032 SolanumsYoghurt_2021-09-26_14-52.exe 3964 fbf.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 C956.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C956.exe -
Deletes itself 1 IoCs
pid Process 2708 Process not Found -
Loads dropped DLL 8 IoCs
pid Process 1628 D406.exe 1628 D406.exe 1628 D406.exe 1384 CE58.exe 1384 CE58.exe 1384 CE58.exe 1384 CE58.exe 1384 CE58.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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resource yara_rule behavioral2/files/0x000200000001ab49-119.dat themida behavioral2/memory/356-124-0x00000000013D0000-0x00000000013D1000-memory.dmp themida -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Uuuocai.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fbf.exe" fbf.exe -
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 C956.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\Y: fbf.exe File opened (read-only) \??\B: fbf.exe File opened (read-only) \??\G: fbf.exe File opened (read-only) \??\K: fbf.exe File opened (read-only) \??\L: fbf.exe File opened (read-only) \??\M: fbf.exe File opened (read-only) \??\R: fbf.exe File opened (read-only) \??\T: fbf.exe File opened (read-only) \??\Z: fbf.exe File opened (read-only) \??\O: fbf.exe File opened (read-only) \??\P: fbf.exe File opened (read-only) \??\S: fbf.exe File opened (read-only) \??\U: fbf.exe File opened (read-only) \??\W: fbf.exe File opened (read-only) \??\F: fbf.exe File opened (read-only) \??\H: fbf.exe File opened (read-only) \??\I: fbf.exe File opened (read-only) \??\X: fbf.exe File opened (read-only) \??\E: fbf.exe File opened (read-only) \??\J: fbf.exe File opened (read-only) \??\N: fbf.exe File opened (read-only) \??\Q: fbf.exe File opened (read-only) \??\V: fbf.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 356 C956.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 568 set thread context of 3152 568 831ba3bb4dfd40bf0408d07a186eb216.exe 68 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 756 1628 WerFault.exe 72 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 831ba3bb4dfd40bf0408d07a186eb216.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 831ba3bb4dfd40bf0408d07a186eb216.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 831ba3bb4dfd40bf0408d07a186eb216.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 fbf.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz fbf.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 3988 timeout.exe -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance Process not Found Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance Process not Found -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3152 831ba3bb4dfd40bf0408d07a186eb216.exe 3152 831ba3bb4dfd40bf0408d07a186eb216.exe 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2708 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3152 831ba3bb4dfd40bf0408d07a186eb216.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeRestorePrivilege 756 WerFault.exe Token: SeBackupPrivilege 756 WerFault.exe Token: SeDebugPrivilege 756 WerFault.exe Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeDebugPrivilege 356 C956.exe Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found Token: SeDebugPrivilege 3032 SolanumsYoghurt_2021-09-26_14-52.exe Token: SeDebugPrivilege 2188 SindonsWelfare_2021-09-26_15-02.exe Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found -
Suspicious use of FindShellTrayWindow 8 IoCs
pid Process 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3964 fbf.exe -
Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 568 wrote to memory of 3152 568 831ba3bb4dfd40bf0408d07a186eb216.exe 68 PID 568 wrote to memory of 3152 568 831ba3bb4dfd40bf0408d07a186eb216.exe 68 PID 568 wrote to memory of 3152 568 831ba3bb4dfd40bf0408d07a186eb216.exe 68 PID 568 wrote to memory of 3152 568 831ba3bb4dfd40bf0408d07a186eb216.exe 68 PID 568 wrote to memory of 3152 568 831ba3bb4dfd40bf0408d07a186eb216.exe 68 PID 568 wrote to memory of 3152 568 831ba3bb4dfd40bf0408d07a186eb216.exe 68 PID 2708 wrote to memory of 356 2708 Process not Found 69 PID 2708 wrote to memory of 356 2708 Process not Found 69 PID 2708 wrote to memory of 356 2708 Process not Found 69 PID 2708 wrote to memory of 1384 2708 Process not Found 71 PID 2708 wrote to memory of 1384 2708 Process not Found 71 PID 2708 wrote to memory of 1384 2708 Process not Found 71 PID 2708 wrote to memory of 1628 2708 Process not Found 72 PID 2708 wrote to memory of 1628 2708 Process not Found 72 PID 2708 wrote to memory of 1628 2708 Process not Found 72 PID 2708 wrote to memory of 3972 2708 Process not Found 75 PID 2708 wrote to memory of 3972 2708 Process not Found 75 PID 1384 wrote to memory of 2096 1384 CE58.exe 80 PID 1384 wrote to memory of 2096 1384 CE58.exe 80 PID 1384 wrote to memory of 2096 1384 CE58.exe 80 PID 2096 wrote to memory of 3988 2096 cmd.exe 82 PID 2096 wrote to memory of 3988 2096 cmd.exe 82 PID 2096 wrote to memory of 3988 2096 cmd.exe 82 PID 3972 wrote to memory of 2188 3972 DA02.exe 85 PID 3972 wrote to memory of 2188 3972 DA02.exe 85 PID 3972 wrote to memory of 2188 3972 DA02.exe 85 PID 3972 wrote to memory of 3032 3972 DA02.exe 87 PID 3972 wrote to memory of 3032 3972 DA02.exe 87 PID 3972 wrote to memory of 3032 3972 DA02.exe 87 PID 3972 wrote to memory of 3964 3972 DA02.exe 89 PID 3972 wrote to memory of 3964 3972 DA02.exe 89 PID 3972 wrote to memory of 3964 3972 DA02.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\831ba3bb4dfd40bf0408d07a186eb216.exe"C:\Users\Admin\AppData\Local\Temp\831ba3bb4dfd40bf0408d07a186eb216.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:568 -
C:\Users\Admin\AppData\Local\Temp\831ba3bb4dfd40bf0408d07a186eb216.exe"C:\Users\Admin\AppData\Local\Temp\831ba3bb4dfd40bf0408d07a186eb216.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3152
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C:\Users\Admin\AppData\Local\Temp\C956.exeC:\Users\Admin\AppData\Local\Temp\C956.exe1⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:356
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C:\Users\Admin\AppData\Local\Temp\CE58.exeC:\Users\Admin\AppData\Local\Temp\CE58.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1384 -
C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\CE58.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2096 -
C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK3⤵
- Delays execution with timeout.exe
PID:3988
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C:\Users\Admin\AppData\Local\Temp\D406.exeC:\Users\Admin\AppData\Local\Temp\D406.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1628 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 12762⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:756
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C:\Users\Admin\AppData\Local\Temp\DA02.exeC:\Users\Admin\AppData\Local\Temp\DA02.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3972 -
C:\Users\Admin\AppData\Local\Temp\SindonsWelfare_2021-09-26_15-02.exe"C:\Users\Admin\AppData\Local\Temp\SindonsWelfare_2021-09-26_15-02.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2188
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C:\Users\Admin\AppData\Local\Temp\SolanumsYoghurt_2021-09-26_14-52.exe"C:\Users\Admin\AppData\Local\Temp\SolanumsYoghurt_2021-09-26_14-52.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3032
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C:\Users\Admin\AppData\Local\Temp\fbf.exe"C:\Users\Admin\AppData\Local\Temp\fbf.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious use of SetWindowsHookEx
PID:3964
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