Analysis
- max time kernel
152s - max time network
138s - platform
windows10_x64 - resource
win10v20210408 - submitted
24/08/2021, 13:45
General
- Target 8905c96d588cd083bc46fae8fd019049.exe
- Size 139KB
- Sample210824-q94d4ht9mn
- SHA256 57b6d02c4b8d4153680004aecf35f8328a6f33c59b2ac7c7ee4ecb4e5af46465
Malware Config
Extracted
-
smokeloader
-
2020
-
http://aucmoney.com/upload/
-
http://thegymmum.com/upload/
-
http://atvcampingtrips.com/upload/
-
http://kuapakualaman.com/upload/
-
http://renatazarazua.com/upload/
-
http://nasufmutlu.com/upload/
Extracted
-
redline
-
mix1
-
185.167.97.37:30900
Signatures
- 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.
- Downloads MZ/PE file
- Executes dropped EXE 2 IoCs
- 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.
- 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 SCSI registry key(s) 3 TTPs 6 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 21 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\8905c96d588cd083bc46fae8fd019049.exe"C:\Users\Admin\AppData\Local\Temp\8905c96d588cd083bc46fae8fd019049.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\279D.exeC:\Users\Admin\AppData\Local\Temp\279D.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\vhsgwrtC:\Users\Admin\AppData\Roaming\vhsgwrt1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/900-114-0x0000000002DA0000-0x0000000002DA9000-memory.dmp
memory/900-115-0x0000000000400000-0x0000000002CB2000-memory.dmp
memory/2388-127-0x0000000004EB0000-0x0000000004EB1000-memory.dmp
memory/2388-130-0x00000000069E0000-0x00000000069E1000-memory.dmp
memory/2388-123-0x0000000004DE0000-0x0000000004DE1000-memory.dmp
memory/2388-124-0x0000000004F10000-0x0000000004F11000-memory.dmp
memory/2388-125-0x0000000004E70000-0x0000000004E71000-memory.dmp
memory/2388-126-0x0000000004D60000-0x0000000005366000-memory.dmp
memory/2388-120-0x00000000005E0000-0x00000000005E1000-memory.dmp
memory/2388-128-0x0000000006750000-0x0000000006751000-memory.dmp
memory/2388-129-0x0000000006E50000-0x0000000006E51000-memory.dmp
memory/2388-122-0x0000000005370000-0x0000000005371000-memory.dmp
memory/2388-131-0x0000000006B00000-0x0000000006B01000-memory.dmp
memory/2388-132-0x0000000007880000-0x0000000007881000-memory.dmp
memory/2388-133-0x0000000006CE0000-0x0000000006CE1000-memory.dmp
memory/2388-134-0x0000000007480000-0x0000000007481000-memory.dmp
memory/3024-116-0x0000000000610000-0x0000000000626000-memory.dmp
memory/3024-138-0x00000000007B0000-0x00000000007C6000-memory.dmp
memory/3988-137-0x0000000000400000-0x0000000002CB2000-memory.dmp