Analysis
- max time kernel
153s - max time network
153s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
15/12/2021, 02:23
General
- Target cd2f5c374cf74fcfa938eb4235f2e24f.exe
- Size 172KB
- Sample211215-ct5xeahfbj
- SHA256 bb27a6c8335367f37f668297c04172fe0e12ed2b7f52da1750de8fa1d8a48ff8
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
-
1
-
195.133.47.114:38127
Extracted
-
redline
-
11
-
45.9.20.157:46257
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 4 IoCs
- SmokeLoader
Modular backdoor trojan in use since 2014.
- suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
- 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 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 2 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\cd2f5c374cf74fcfa938eb4235f2e24f.exe"C:\Users\Admin\AppData\Local\Temp\cd2f5c374cf74fcfa938eb4235f2e24f.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\1526.exeC:\Users\Admin\AppData\Local\Temp\1526.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\D23E.exeC:\Users\Admin\AppData\Local\Temp\D23E.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1380-59-0x0000000002660000-0x0000000002676000-memory.dmp
memory/1392-65-0x0000000004830000-0x0000000004831000-memory.dmp
memory/1392-63-0x0000000000C80000-0x0000000000C81000-memory.dmp
memory/1944-72-0x0000000000400000-0x0000000000840000-memory.dmp
memory/1944-76-0x0000000004B14000-0x0000000004B16000-memory.dmp
memory/1944-75-0x0000000004B13000-0x0000000004B14000-memory.dmp
memory/1944-74-0x0000000004B12000-0x0000000004B13000-memory.dmp
memory/1944-68-0x00000000022F0000-0x000000000231E000-memory.dmp
memory/1944-69-0x0000000004B50000-0x0000000004B7D000-memory.dmp
memory/1944-71-0x0000000000270000-0x00000000002A9000-memory.dmp
memory/1944-70-0x0000000000220000-0x000000000024B000-memory.dmp
memory/1944-73-0x0000000004B11000-0x0000000004B12000-memory.dmp
memory/1984-58-0x0000000000400000-0x000000000081D000-memory.dmp
memory/1984-55-0x0000000000020000-0x0000000000028000-memory.dmp
memory/1984-56-0x0000000000030000-0x0000000000039000-memory.dmp
memory/1984-57-0x0000000074B21000-0x0000000074B23000-memory.dmp