Analysis
- max time kernel
143s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
13/02/2024, 01:59
General
- Target 3a6666e2820fa42ca7b386d7c1029637a717f01c8c550474a0c05a48df3276c6.exe
- Size 5KB
- Sample240213-ceweesab97
- SHA256 3a6666e2820fa42ca7b386d7c1029637a717f01c8c550474a0c05a48df3276c6
Malware Config
Extracted
-
purecrypter
-
https://taastruck.vn/Pkzzw.pdf
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.tecnosilos.com.py
-
Port
587
-
Username
-
Password
wY],Z[mo8kxz
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect ZGRat V1 34 IoCs
- PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
- ZGRat
ZGRat is remote access trojan written in C#.
- 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.
- Adds Run key to start application 2 TTPs 2 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\3a6666e2820fa42ca7b386d7c1029637a717f01c8c550474a0c05a48df3276c6.exe"C:\Users\Admin\AppData\Local\Temp\3a6666e2820fa42ca7b386d7c1029637a717f01c8c550474a0c05a48df3276c6.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/4496-0-0x0000000000740000-0x0000000000748000-memory.dmp
memory/4496-1-0x0000000074F10000-0x00000000756C0000-memory.dmp
memory/4496-2-0x0000000005050000-0x0000000005060000-memory.dmp
memory/4496-3-0x0000000005920000-0x00000000059DA000-memory.dmp
memory/4496-4-0x0000000006010000-0x0000000006628000-memory.dmp
memory/4496-5-0x0000000005B80000-0x0000000005C8A000-memory.dmp
memory/4496-6-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-7-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-9-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-11-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-15-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-13-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-17-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-19-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-21-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-23-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-25-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-27-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-29-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-31-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-33-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-35-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-37-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-39-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-41-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-43-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-45-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-47-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-49-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-51-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-53-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-55-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-57-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-59-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-61-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-63-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-65-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-67-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-69-0x0000000005920000-0x00000000059D4000-memory.dmp
memory/4496-1120-0x0000000005AB0000-0x0000000005AB1000-memory.dmp
memory/4496-1121-0x0000000005B20000-0x0000000005B62000-memory.dmp
memory/4496-1122-0x0000000005D00000-0x0000000005D4C000-memory.dmp
memory/4496-1123-0x0000000006D90000-0x0000000007334000-memory.dmp
memory/4496-1125-0x0000000005DD0000-0x0000000005E14000-memory.dmp
memory/4496-1126-0x0000000005F80000-0x0000000005FE6000-memory.dmp
memory/4496-1127-0x0000000006970000-0x00000000069C0000-memory.dmp
memory/4496-1128-0x0000000006A60000-0x0000000006AFC000-memory.dmp
memory/4496-1129-0x0000000074F10000-0x00000000756C0000-memory.dmp
memory/4496-1130-0x0000000005050000-0x0000000005060000-memory.dmp
memory/4496-1131-0x0000000006B00000-0x0000000006B92000-memory.dmp
memory/4496-1132-0x0000000006A30000-0x0000000006A3A000-memory.dmp