Analysis
- max time kernel
160s - max time network
187s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
24/03/2022, 21:14
General
- Target 1ca7eb5a765e8ebb1130e1928dfc87de.exe
- Size 57KB
- Sample220324-z3bfgsbbfj
- SHA256 bcca18fef46e71ff82ff342dbd50f09b9ea768edc5e328fbf85241fcf615507d
Malware Config
Extracted
-
redline
-
7
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62.204.41.199:30941
-
auth_value
fea3ffd5ea7ffb460ff5e9b4b8fd5cac
Extracted
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smokeloader
-
2020
-
http://ghahantellorb.com/
-
http://hasarcyaionex.shop/
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 1 IoCs
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 2 IoCs
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- 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
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 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 2 IoCs
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 11 IoCs
- Suspicious use of WriteProcessMemory 37 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\1ca7eb5a765e8ebb1130e1928dfc87de.exe"C:\Users\Admin\AppData\Local\Temp\1ca7eb5a765e8ebb1130e1928dfc87de.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout -t 15 -nobreak && ping google.com2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout -t 15 -nobreak3⤵
- Delays execution with timeout.exe
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C:\Windows\SysWOW64\PING.EXEping google.com3⤵
- Runs ping.exe
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-
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout 452⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 453⤵
- Delays execution with timeout.exe
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-
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C:\Users\Admin\AppData\Local\Temp\Vuokjmtsqbaiksklfdqnnkgdbrab.exe"C:\Users\Admin\AppData\Local\Temp\Vuokjmtsqbaiksklfdqnnkgdbrab.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
-
C:\Users\Admin\AppData\Local\Temp\1ca7eb5a765e8ebb1130e1928dfc87de.exeC:\Users\Admin\AppData\Local\Temp\1ca7eb5a765e8ebb1130e1928dfc87de.exe2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\F3E9.exeC:\Users\Admin\AppData\Local\Temp\F3E9.exe1⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5104 -s 8722⤵
- Program crash
-
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 5104 -ip 51041⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1712-131-0x0000000005EF0000-0x0000000006494000-memory.dmp
memory/1712-130-0x0000000000EF0000-0x0000000000F04000-memory.dmp
memory/1712-135-0x0000000006FC0000-0x0000000007010000-memory.dmp
memory/1712-136-0x00000000070B0000-0x0000000007142000-memory.dmp
memory/1712-137-0x0000000006FA0000-0x0000000006FAA000-memory.dmp
memory/1712-138-0x0000000007230000-0x00000000072E2000-memory.dmp
memory/2168-161-0x0000018D0C570000-0x0000018D0C584000-memory.dmp
memory/2168-164-0x00007FFF79B30000-0x00007FFF7A5F1000-memory.dmp
memory/2712-152-0x0000000002B90000-0x0000000002BA6000-memory.dmp
memory/3156-165-0x000001CEFEA10000-0x000001CEFEA32000-memory.dmp
memory/3156-168-0x000001CEFE050000-0x000001CEFE052000-memory.dmp
memory/3156-167-0x00007FFF79B30000-0x00007FFF7A5F1000-memory.dmp
memory/3156-169-0x000001CEFE053000-0x000001CEFE055000-memory.dmp
memory/3156-170-0x000001CEFE056000-0x000001CEFE058000-memory.dmp
memory/3164-150-0x0000000007610000-0x000000000764C000-memory.dmp
memory/3164-147-0x0000000005D50000-0x0000000006368000-memory.dmp
memory/3164-153-0x0000000008420000-0x0000000008486000-memory.dmp
memory/3164-154-0x0000000008510000-0x0000000008586000-memory.dmp
memory/3164-155-0x00000000085F0000-0x000000000860E000-memory.dmp
memory/3164-156-0x0000000009230000-0x00000000093F2000-memory.dmp
memory/3164-157-0x0000000009930000-0x0000000009E5C000-memory.dmp
memory/3164-149-0x00000000076E0000-0x00000000077EA000-memory.dmp
memory/3164-148-0x0000000005D30000-0x0000000005D42000-memory.dmp
memory/3164-145-0x0000000000400000-0x0000000000420000-memory.dmp
memory/5028-151-0x0000000000400000-0x0000000000409000-memory.dmp