Analysis
- max time kernel
151s - max time network
98s - platform
windows10_x64 - resource
win10v20210408 - submitted
03/10/2021, 02:56
General
- Target b950c6f17474a2c7b859a55f9a4617c1.exe
- Size 254KB
- Sample211003-de16cafafk
- SHA256 fa9e067be162eb6f3b3d29e04f65fd13e1e33210e153cce635f8092e64482f5e
Malware Config
Extracted
-
smokeloader
-
2020
-
http://fiskahlilian16.top/
-
http://paishancho17.top/
-
http://ydiannetter18.top/
-
http://azarehanelle19.top/
-
http://quericeriant20.top/
Extracted
-
raccoon
-
5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4
-
url4cnc
https://t.me/agrybirdsgamerept
Extracted
-
redline
-
1234
-
94.26.248.150:17618
Signatures
- Raccoon
Simple but powerful infostealer which was very active in 2019.
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 2 IoCs
- SmokeLoader
Modular backdoor trojan in use since 2014.
- suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)
suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)
- suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt
suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
- Downloads MZ/PE file
- Executes dropped EXE 4 IoCs
- Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Deletes itself 1 IoCs
- Loads dropped DLL 5 IoCs
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Themida packer 4 IoCs
Detects Themida, an advanced Windows software protection system.
- 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.
- Checks whether UAC is enabled 1 TTPs 2 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Delays execution with timeout.exe 1 IoCs
- Modifies registry class 2 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 63 IoCs
- Suspicious use of FindShellTrayWindow 10 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 24 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b950c6f17474a2c7b859a55f9a4617c1.exe"C:\Users\Admin\AppData\Local\Temp\b950c6f17474a2c7b859a55f9a4617c1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\b950c6f17474a2c7b859a55f9a4617c1.exe"C:\Users\Admin\AppData\Local\Temp\b950c6f17474a2c7b859a55f9a4617c1.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
-
C:\Users\Admin\AppData\Local\Temp\C771.exeC:\Users\Admin\AppData\Local\Temp\C771.exe1⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\C966.exeC:\Users\Admin\AppData\Local\Temp\C966.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\C966.exe"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK3⤵
- Delays execution with timeout.exe
-
-
-
C:\Users\Admin\AppData\Local\Temp\D06C.exeC:\Users\Admin\AppData\Local\Temp\D06C.exe1⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\D30D.exeC:\Users\Admin\AppData\Local\Temp\D30D.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/808-114-0x0000000000030000-0x0000000000039000-memory.dmp
memory/996-115-0x0000000000400000-0x0000000000409000-memory.dmp
memory/1136-181-0x00000000070A0000-0x00000000070A1000-memory.dmp
memory/1136-175-0x0000000006FA0000-0x0000000006FA1000-memory.dmp
memory/1136-132-0x00000000057A0000-0x00000000057A1000-memory.dmp
memory/1136-177-0x00000000070C0000-0x00000000070C1000-memory.dmp
memory/1136-128-0x0000000005740000-0x0000000005741000-memory.dmp
memory/1136-135-0x00000000057E0000-0x00000000057E1000-memory.dmp
memory/1136-136-0x00000000033C0000-0x00000000033C1000-memory.dmp
memory/1136-129-0x0000000005870000-0x0000000005871000-memory.dmp
memory/1136-127-0x0000000005D00000-0x0000000005D01000-memory.dmp
memory/1136-171-0x00000000074D0000-0x00000000074D1000-memory.dmp
memory/1136-125-0x00000000003F0000-0x00000000003F1000-memory.dmp
memory/1136-124-0x0000000077240000-0x00000000773CE000-memory.dmp
memory/1136-183-0x0000000007450000-0x0000000007451000-memory.dmp
memory/1136-185-0x0000000007B00000-0x0000000007B01000-memory.dmp
memory/1464-139-0x0000000000400000-0x000000000049E000-memory.dmp
memory/1464-138-0x00000000004A0000-0x00000000005EA000-memory.dmp
memory/1876-149-0x0000000005CF0000-0x0000000005CF1000-memory.dmp
memory/1876-137-0x0000000077240000-0x00000000773CE000-memory.dmp
memory/1876-169-0x00000000072E0000-0x00000000072E1000-memory.dmp
memory/1876-142-0x0000000000980000-0x0000000000981000-memory.dmp
memory/2192-162-0x0000000005112000-0x0000000005113000-memory.dmp
memory/2192-150-0x00000000025D0000-0x00000000025EF000-memory.dmp
memory/2192-151-0x0000000005120000-0x0000000005121000-memory.dmp
memory/2192-164-0x0000000005114000-0x0000000005116000-memory.dmp
memory/2192-163-0x0000000005113000-0x0000000005114000-memory.dmp
memory/2192-161-0x0000000005110000-0x0000000005111000-memory.dmp
memory/2192-152-0x0000000002680000-0x000000000269E000-memory.dmp
memory/2192-160-0x0000000000400000-0x0000000000883000-memory.dmp
memory/2192-159-0x00000000001C0000-0x00000000001F0000-memory.dmp
memory/3056-215-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-225-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-207-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-206-0x0000000001510000-0x0000000001520000-memory.dmp
memory/3056-208-0x00000000032B0000-0x00000000032C0000-memory.dmp
memory/3056-209-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-210-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-211-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-212-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-213-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-214-0x0000000003360000-0x0000000003370000-memory.dmp
memory/3056-216-0x0000000003360000-0x0000000003370000-memory.dmp
memory/3056-255-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-218-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-217-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-220-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-219-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-222-0x0000000003360000-0x0000000003370000-memory.dmp
memory/3056-221-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-224-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-223-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-117-0x0000000000F90000-0x0000000000FA5000-memory.dmp
memory/3056-226-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-235-0x0000000001510000-0x0000000001520000-memory.dmp
memory/3056-236-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-237-0x0000000003360000-0x0000000003370000-memory.dmp
memory/3056-238-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-239-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-240-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-242-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-243-0x0000000003360000-0x0000000003370000-memory.dmp
memory/3056-241-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-245-0x0000000003360000-0x0000000003370000-memory.dmp
memory/3056-244-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-247-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-246-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-249-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-248-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-250-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-251-0x0000000003360000-0x0000000003370000-memory.dmp
memory/3056-252-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-254-0x00000000032A0000-0x00000000032B0000-memory.dmp
memory/3056-253-0x00000000032A0000-0x00000000032B0000-memory.dmp