Analysis
- max time kernel
150s - max time network
129s - platform
windows7_x64 - resource
win7-en-20210920 - submitted
03/10/2021, 03:56
General
- Target 4e9e6a2c8dbac36a98a396be8c3ba925.exe
- Size 298KB
- Sample211003-ehc4csfbbn
- SHA256 774e2e652ad3d2c07841a504968277fa949ba80a30e621fc340efa68ee0403b3
Malware Config
Extracted
-
smokeloader
-
2020
-
http://fiskahlilian16.top/
-
http://paishancho17.top/
-
http://ydiannetter18.top/
-
http://azarehanelle19.top/
-
http://quericeriant20.top/
Extracted
-
redline
-
1234
-
94.26.248.150:17618
Extracted
-
raccoon
-
5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4
-
url4cnc
https://t.me/agrybirdsgamerept
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.
- 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
- 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.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 10 IoCs
- Suspicious use of FindShellTrayWindow 6 IoCs
- Suspicious use of SendNotifyMessage 6 IoCs
- Suspicious use of WriteProcessMemory 23 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\4e9e6a2c8dbac36a98a396be8c3ba925.exe"C:\Users\Admin\AppData\Local\Temp\4e9e6a2c8dbac36a98a396be8c3ba925.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\4e9e6a2c8dbac36a98a396be8c3ba925.exe"C:\Users\Admin\AppData\Local\Temp\4e9e6a2c8dbac36a98a396be8c3ba925.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
-
C:\Users\Admin\AppData\Local\Temp\2184.exeC:\Users\Admin\AppData\Local\Temp\2184.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\2397.exeC:\Users\Admin\AppData\Local\Temp\2397.exe1⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Local\Temp\2888.exeC:\Users\Admin\AppData\Local\Temp\2888.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\2DC6.exeC:\Users\Admin\AppData\Local\Temp\2DC6.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1172-73-0x0000000005400000-0x0000000005401000-memory.dmp
memory/1172-71-0x0000000000ED0000-0x0000000000ED1000-memory.dmp
memory/1216-57-0x00000000029D0000-0x00000000029E5000-memory.dmp
memory/1216-87-0x000007FEF5210000-0x000007FEF5353000-memory.dmp
memory/1216-88-0x000007FF53450000-0x000007FF5345A000-memory.dmp
memory/1256-64-0x0000000000A60000-0x0000000000A61000-memory.dmp
memory/1256-66-0x00000000054B0000-0x00000000054B1000-memory.dmp
memory/1272-56-0x0000000000020000-0x0000000000029000-memory.dmp
memory/1328-53-0x0000000000400000-0x0000000000409000-memory.dmp
memory/1328-55-0x0000000075331000-0x0000000075333000-memory.dmp
memory/1748-80-0x0000000000400000-0x000000000049E000-memory.dmp
memory/1748-79-0x00000000002D0000-0x0000000000360000-memory.dmp
memory/1832-78-0x0000000000A40000-0x0000000000A5E000-memory.dmp
memory/1832-81-0x0000000000220000-0x0000000000250000-memory.dmp
memory/1832-82-0x0000000000400000-0x0000000000883000-memory.dmp
memory/1832-84-0x0000000004C02000-0x0000000004C03000-memory.dmp
memory/1832-83-0x0000000004C01000-0x0000000004C02000-memory.dmp
memory/1832-85-0x0000000004C03000-0x0000000004C04000-memory.dmp
memory/1832-86-0x0000000004C04000-0x0000000004C06000-memory.dmp
memory/1832-77-0x0000000000310000-0x000000000032F000-memory.dmp