Analysis
- max time kernel
152s - max time network
140s - platform
windows10_x64 - resource
win10-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 5 IoCs
- Suspicious use of WriteProcessMemory 3 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\37FF.exeC:\Users\Admin\AppData\Local\Temp\37FF.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2072-118-0x0000000000DF0000-0x0000000000E06000-memory.dmp
memory/3532-128-0x0000000004B60000-0x0000000004B61000-memory.dmp
memory/3532-131-0x0000000005070000-0x0000000005071000-memory.dmp
memory/3532-142-0x0000000006710000-0x0000000006711000-memory.dmp
memory/3532-123-0x00000000020F0000-0x0000000002129000-memory.dmp
memory/3532-124-0x0000000000400000-0x00000000004F1000-memory.dmp
memory/3532-125-0x0000000002260000-0x000000000228E000-memory.dmp
memory/3532-126-0x0000000004B70000-0x0000000004B71000-memory.dmp
memory/3532-127-0x00000000022E0000-0x000000000230D000-memory.dmp
memory/3532-129-0x0000000004B62000-0x0000000004B63000-memory.dmp
memory/3532-141-0x0000000006540000-0x0000000006541000-memory.dmp
memory/3532-130-0x0000000004B63000-0x0000000004B64000-memory.dmp
memory/3532-132-0x0000000004B30000-0x0000000004B31000-memory.dmp
memory/3532-133-0x0000000005680000-0x0000000005681000-memory.dmp
memory/3532-134-0x0000000004B64000-0x0000000004B66000-memory.dmp
memory/3532-135-0x00000000057B0000-0x00000000057B1000-memory.dmp
memory/3532-136-0x0000000005820000-0x0000000005821000-memory.dmp
memory/3532-137-0x0000000005AC0000-0x0000000005AC1000-memory.dmp
memory/3532-138-0x0000000006180000-0x0000000006181000-memory.dmp
memory/3532-139-0x0000000006220000-0x0000000006221000-memory.dmp
memory/3532-140-0x0000000006310000-0x0000000006311000-memory.dmp
memory/3796-117-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/3796-116-0x0000000000530000-0x0000000000539000-memory.dmp