Analysis
- max time kernel
100s - max time network
109s - platform
windows7_x64 - resource
win7 - submitted
15/07/2020, 13:44
Static task
static1
Behavioral task
behavioral1
Sample
RFQ.exe
Resource
win7
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
RFQ.exe
Resource
win10
0 signatures
0 seconds
General
- Target RFQ.exe
- Size 1.5MB
- Sample200715-57f5h5ld6e
- SHA256 127d38ba33a67b3fa64e954d209cd9276b5d548462cd47cc3abafa8192073bab
- MD5 969a8477f79fde1151cb063057cc0d8b
- SHA1 9bf8a7944db8aeeaad3fb2066efbd523059ee965
- SHA512 cc071fef67e27b40c981684284b607aba5db1457ce7f9ae8ba1cc0ce615f8f865a328e64dbb87efb3d40b2308188c47933e0e9214eb6457a434cf149d104456a
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Path
-
C:\Users\Admin\AppData\Local\Temp\E2C1E8F1FA\Log.txt
-
masslogger
Ransom Note
- ################################################################# MassLogger v1.3.6.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 Location: United States Windows OS: Microsoft Windows 7 Professional 64bit Windows Serial Key: HYF8J-CVRMY-CM74G-RPHKF-PW487 CPU: Persocon Processor 2.5+ GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 7/15/2020 1:45:47 PM MassLogger Started: 7/15/2020 1:45:44 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\RFQ.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:
Extracted
Credentials
-
Protocol
smtp
-
Host
smtp.yandex.ru
-
Port
587
-
Username
-
Password
@jaffinmarknma@344
Signatures
- Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1792 RFQ.exe - MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 5 api.ipify.org - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1792 RFQ.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1324 set thread context of 1792 1324 RFQ.exe 28 - MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
yara_rule masslogger_log_file - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1396 schtasks.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1324 wrote to memory of 1396 1324 RFQ.exe 26 PID 1324 wrote to memory of 1396 1324 RFQ.exe 26 PID 1324 wrote to memory of 1396 1324 RFQ.exe 26 PID 1324 wrote to memory of 1396 1324 RFQ.exe 26 PID 1324 wrote to memory of 1792 1324 RFQ.exe 28 PID 1324 wrote to memory of 1792 1324 RFQ.exe 28 PID 1324 wrote to memory of 1792 1324 RFQ.exe 28 PID 1324 wrote to memory of 1792 1324 RFQ.exe 28 PID 1324 wrote to memory of 1792 1324 RFQ.exe 28 PID 1324 wrote to memory of 1792 1324 RFQ.exe 28 PID 1324 wrote to memory of 1792 1324 RFQ.exe 28 PID 1324 wrote to memory of 1792 1324 RFQ.exe 28 PID 1324 wrote to memory of 1792 1324 RFQ.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ.exe"C:\Users\Admin\AppData\Local\Temp\RFQ.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1324 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eHCGjWXlgRYmBE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp33CC.tmp"2⤵
- Creates scheduled task(s)
PID:1396
-
-
C:\Users\Admin\AppData\Local\Temp\RFQ.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1792
-