Analysis
- max time kernel
29s - max time network
31s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
- submitted
22/12/2022, 17:06
General
- Target eReceipt.pdf.exe
- Size 515KB
- Sample221222-vmd48aaa3w
- SHA256 4c10f4d1da51cac1387dd193fb46ff33c5c867a4e20566a9c3a2acce0ac39d77
Malware Config
Extracted
-
redline
-
eReceipt.pdf
-
103.170.255.85:24317
-
auth_value
6fdb990e163bef6c9afbaeef1948ad2a
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine payload 2 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.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\eReceipt.pdf.exe"C:\Users\Admin\AppData\Local\Temp\eReceipt.pdf.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1236-54-0x00000000020C0000-0x0000000002136000-memory.dmp
memory/1236-55-0x0000000004940000-0x00000000049B4000-memory.dmp
memory/1236-56-0x0000000002130000-0x0000000002136000-memory.dmp
memory/1236-58-0x0000000000220000-0x0000000000283000-memory.dmp
memory/1236-59-0x0000000000400000-0x0000000000487000-memory.dmp
memory/1236-57-0x000000000067B000-0x00000000006C2000-memory.dmp
memory/1236-60-0x0000000076941000-0x0000000076943000-memory.dmp
memory/1236-61-0x000000000067B000-0x00000000006C2000-memory.dmp
memory/1236-62-0x000000000067B000-0x00000000006C2000-memory.dmp
memory/1236-63-0x0000000000400000-0x0000000000487000-memory.dmp