Analysis
-
max time kernel
143s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
01-12-2023 09:20
Static task
static1
Behavioral task
behavioral1
Sample
RFQ235658.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
RFQ235658.exe
Resource
win10v2004-20231127-en
General
-
Target
RFQ235658.exe
-
Size
673KB
-
MD5
92330463b66638fc2f745cba74d1638f
-
SHA1
d94d75a811885152bf7764529afbe79e6dfcd078
-
SHA256
cb56a616b456b089946738d62f352b134934ce2e9e23ce00cfc803e35748cfce
-
SHA512
e8363d81d23beadb9d4c33db7a046596a41be83b57d4f00c96dcd02c4245271f24e78aa2ec0a3a6ddfd4a1dcc74c1b2873655ebfc7ec10e3c9bb44e4fb66885a
-
SSDEEP
12288:ACwAJyImgqzkUB/hBnpxRRR7g6xrZUbygh9sUOd:yAJqBLnjCmgJhrOd
Malware Config
Extracted
Protocol: smtp- Host:
mail.lubdub.com - Port:
587 - Username:
[email protected] - Password:
J-y!2e_fWMH_XP8F_008
Extracted
agenttesla
Protocol: smtp- Host:
mail.lubdub.com - Port:
587 - Username:
[email protected] - Password:
J-y!2e_fWMH_XP8F_008 - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 29 api.ipify.org 28 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
RFQ235658.exedescription pid process target process PID 544 set thread context of 5096 544 RFQ235658.exe RFQ235658.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RFQ235658.exepid process 5096 RFQ235658.exe 5096 RFQ235658.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RFQ235658.exedescription pid process Token: SeDebugPrivilege 5096 RFQ235658.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
RFQ235658.exedescription pid process target process PID 544 wrote to memory of 5096 544 RFQ235658.exe RFQ235658.exe PID 544 wrote to memory of 5096 544 RFQ235658.exe RFQ235658.exe PID 544 wrote to memory of 5096 544 RFQ235658.exe RFQ235658.exe PID 544 wrote to memory of 5096 544 RFQ235658.exe RFQ235658.exe PID 544 wrote to memory of 5096 544 RFQ235658.exe RFQ235658.exe PID 544 wrote to memory of 5096 544 RFQ235658.exe RFQ235658.exe PID 544 wrote to memory of 5096 544 RFQ235658.exe RFQ235658.exe PID 544 wrote to memory of 5096 544 RFQ235658.exe RFQ235658.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ235658.exe"C:\Users\Admin\AppData\Local\Temp\RFQ235658.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:544 -
C:\Users\Admin\AppData\Local\Temp\RFQ235658.exe"C:\Users\Admin\AppData\Local\Temp\RFQ235658.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5096
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3