Analysis
- max time kernel
56s - max time network
58s - platform
windows7_x64 - resource
win7v20210410 - submitted
02/07/2021, 08:42
Static task
static1
Behavioral task
behavioral1
Sample
RFQ___FL.EXE
Resource
win7v20210410
Behavioral task
behavioral2
Sample
RFQ___FL.EXE
Resource
win10v20210408
General
- Target RFQ___FL.EXE
- Size 772KB
- Sample210702-5dwgen7tye
- SHA256 f8e4c7f5480d6b302e4870ca9eb28118ee47dd0dad4b689450782dfce53b8685
- MD5 11a6161eb8cb335885badc7514dba6c2
- SHA1 c86543d3797d611922afa5fec100c985df0e3fce
- SHA512 a727f6ae712d6e42eeb3cafa382cbaac819922a7e04d1a57d7c0e4bfed02861194105d0820bc2c7ecd10f6aa2dd7f20aaf6a449ffe5a42a2872b627c39c3734c
- MD5 SHA1 SHA512
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
smtp.francescoborgheti.com
-
Port
587
-
Username
-
Password
y}rDgrv_Y3!2
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.
flow ioc 5 checkip.dyndns.org 10 freegeoip.app 11 freegeoip.app - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1116 set thread context of 320 1116 RFQ___FL.EXE 31 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1776 schtasks.exe - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 320 RFQ___FL.EXE - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 320 RFQ___FL.EXE - Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1116 wrote to memory of 1776 1116 RFQ___FL.EXE 29 PID 1116 wrote to memory of 1776 1116 RFQ___FL.EXE 29 PID 1116 wrote to memory of 1776 1116 RFQ___FL.EXE 29 PID 1116 wrote to memory of 1776 1116 RFQ___FL.EXE 29 PID 1116 wrote to memory of 320 1116 RFQ___FL.EXE 31 PID 1116 wrote to memory of 320 1116 RFQ___FL.EXE 31 PID 1116 wrote to memory of 320 1116 RFQ___FL.EXE 31 PID 1116 wrote to memory of 320 1116 RFQ___FL.EXE 31 PID 1116 wrote to memory of 320 1116 RFQ___FL.EXE 31 PID 1116 wrote to memory of 320 1116 RFQ___FL.EXE 31 PID 1116 wrote to memory of 320 1116 RFQ___FL.EXE 31 PID 1116 wrote to memory of 320 1116 RFQ___FL.EXE 31 PID 1116 wrote to memory of 320 1116 RFQ___FL.EXE 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ___FL.EXE"C:\Users\Admin\AppData\Local\Temp\RFQ___FL.EXE"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1116 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qDGNoJAVsTtO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBCCA.tmp"2⤵
- Creates scheduled task(s)
PID:1776
-
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C:\Users\Admin\AppData\Local\Temp\RFQ___FL.EXE"C:\Users\Admin\AppData\Local\Temp\RFQ___FL.EXE"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:320
-