Analysis
- max time kernel
151s - max time network
117s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
16/12/2021, 07:56
General
- Target 61781192a2ca877271b9506f67c5de14.exe
- Size 334KB
- Sample211216-jspmcsbde4
- SHA256 c5633b8a534309364b874721936c306cd49e8aaff8a3ffb69ec4a6c9c71f0d17
Malware Config
Extracted
-
smokeloader
-
2020
-
http://rcacademy.at/upload/
-
http://e-lanpengeonline.com/upload/
-
http://vjcmvz.cn/upload/
-
http://galala.ru/upload/
-
http://witra.ru/upload/
Extracted
-
redline
-
ww
-
45.9.20.168:46257
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 1 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 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 1 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\61781192a2ca877271b9506f67c5de14.exe"C:\Users\Admin\AppData\Local\Temp\61781192a2ca877271b9506f67c5de14.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\4D17.exeC:\Users\Admin\AppData\Local\Temp\4D17.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/572-66-0x0000000004952000-0x0000000004953000-memory.dmp
memory/572-63-0x0000000000220000-0x0000000000259000-memory.dmp
memory/572-68-0x0000000004954000-0x0000000004956000-memory.dmp
memory/572-65-0x0000000004951000-0x0000000004952000-memory.dmp
memory/572-67-0x0000000004953000-0x0000000004954000-memory.dmp
memory/572-61-0x00000000020B0000-0x00000000020DE000-memory.dmp
memory/572-62-0x00000000020E0000-0x000000000210D000-memory.dmp
memory/572-60-0x00000000006CB000-0x00000000006F7000-memory.dmp
memory/572-64-0x0000000000400000-0x00000000004F1000-memory.dmp
memory/796-55-0x0000000000220000-0x0000000000229000-memory.dmp
memory/796-53-0x00000000005BB000-0x00000000005CC000-memory.dmp
memory/796-54-0x0000000075761000-0x0000000075763000-memory.dmp
memory/796-56-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/1208-57-0x0000000002AA0000-0x0000000002AB6000-memory.dmp