Analysis
- max time kernel
142s - max time network
146s - platform
windows10_x64 - resource
win10-en - submitted
14/09/2021, 08:32
General
- Target Halkbank_Ekstre_20210913_074002_566345 pdf.exe
- Size 435KB
- Sample210914-kfb16sadan
- SHA256 ddd23a0e372eb4ec3de37beb9ff0d7a7d2a7ed6fb8d9a52f3e1cd449673fd14e
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.aothailand.com
-
Port
587
-
Username
-
Password
mike63976460
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20210913_074002_566345 pdf.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20210913_074002_566345 pdf.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3220-115-0x0000000000850000-0x0000000000851000-memory.dmp
memory/3220-117-0x0000000005660000-0x0000000005661000-memory.dmp
memory/3220-118-0x0000000005160000-0x0000000005161000-memory.dmp
memory/3220-119-0x0000000005200000-0x0000000005201000-memory.dmp
memory/3220-120-0x0000000005090000-0x0000000005122000-memory.dmp
memory/3220-121-0x0000000005610000-0x0000000005611000-memory.dmp
memory/3220-122-0x0000000008BB0000-0x0000000008BB1000-memory.dmp
memory/3220-123-0x0000000005DF0000-0x0000000005DF7000-memory.dmp
memory/3220-124-0x00000000090A0000-0x00000000090F8000-memory.dmp
memory/3220-125-0x000000000B890000-0x000000000B8B6000-memory.dmp
memory/3220-126-0x0000000002A60000-0x0000000002A80000-memory.dmp
memory/3220-127-0x000000000F2E0000-0x000000000F2E1000-memory.dmp