Analysis
- max time kernel
16s - max time network
118s - platform
windows10_x64 - resource
win10v20210410 - submitted
15/07/2021, 16:41
General
- Target 25D3F84E9AC079113D5997A78B378BB5.exe
- Size 165KB
- Sample210715-j9qsne74ss
- SHA256 926ec32617c2f77ba3bc62187bfb5d0c26005e89206470152271f1eeb243591d
Malware Config
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 1 IoCs
- Executes dropped EXE 4 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
- 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.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\25D3F84E9AC079113D5997A78B378BB5.exe"C:\Users\Admin\AppData\Local\Temp\25D3F84E9AC079113D5997A78B378BB5.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\5339106.exe"C:\Users\Admin\AppData\Roaming\5339106.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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-
C:\Users\Admin\AppData\Roaming\6455458.exe"C:\Users\Admin\AppData\Roaming\6455458.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe"C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe"3⤵
- Executes dropped EXE
-
-
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C:\Users\Admin\AppData\Roaming\2189734.exe"C:\Users\Admin\AppData\Roaming\2189734.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3624-161-0x000000000A3F0000-0x000000000A3F1000-memory.dmp
memory/3624-163-0x0000000004A30000-0x0000000004A31000-memory.dmp
memory/4436-134-0x000000001B500000-0x000000001B502000-memory.dmp
memory/4436-118-0x00000000010B0000-0x00000000010B1000-memory.dmp
memory/4436-114-0x0000000000A40000-0x0000000000A41000-memory.dmp
memory/4436-117-0x0000000001080000-0x000000000109D000-memory.dmp
memory/4436-116-0x0000000001070000-0x0000000001071000-memory.dmp
memory/4936-166-0x0000000008B30000-0x0000000008B31000-memory.dmp
memory/4936-162-0x0000000008460000-0x0000000008461000-memory.dmp
memory/4936-141-0x00000000079B0000-0x00000000079D8000-memory.dmp
memory/4936-128-0x0000000000D80000-0x0000000000D81000-memory.dmp
memory/4936-151-0x0000000005520000-0x0000000005521000-memory.dmp
memory/4952-135-0x0000000001030000-0x0000000001031000-memory.dmp
memory/4952-130-0x0000000000730000-0x0000000000731000-memory.dmp
memory/4952-137-0x0000000002A30000-0x0000000002A3E000-memory.dmp
memory/4952-138-0x000000000A9F0000-0x000000000A9F1000-memory.dmp
memory/4952-140-0x000000000A590000-0x000000000A591000-memory.dmp
memory/4952-144-0x0000000004FE0000-0x0000000004FE1000-memory.dmp
memory/4988-147-0x0000000007B30000-0x0000000007B31000-memory.dmp
memory/4988-146-0x0000000007AF0000-0x0000000007AF1000-memory.dmp
memory/4988-152-0x0000000005760000-0x0000000005761000-memory.dmp
memory/4988-145-0x00000000056F0000-0x00000000056F1000-memory.dmp
memory/4988-143-0x0000000008100000-0x0000000008101000-memory.dmp
memory/4988-159-0x0000000007CC0000-0x0000000007CC1000-memory.dmp
memory/4988-142-0x0000000002FD0000-0x0000000002FD1000-memory.dmp
memory/4988-139-0x0000000004FF0000-0x0000000005028000-memory.dmp
memory/4988-136-0x0000000002FC0000-0x0000000002FC1000-memory.dmp
memory/4988-131-0x0000000000D30000-0x0000000000D31000-memory.dmp
memory/4988-167-0x0000000009040000-0x0000000009041000-memory.dmp
memory/4988-168-0x0000000009740000-0x0000000009741000-memory.dmp