Analysis
-
max time kernel
55s -
max time network
51s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
27-04-2024 01:38
Static task
static1
Behavioral task
behavioral1
Sample
TOP20240252.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
TOP20240252.exe
Resource
win10v2004-20240419-en
General
-
Target
TOP20240252.exe
-
Size
704KB
-
MD5
0213307d4a5c33c73fc8763498a054e5
-
SHA1
2c6978c737ad7b1a9547ed3365fef15996d98137
-
SHA256
6266398586cea7e8cc4154202bb9f5541b1a6b6b5640f0efdd2f2ef9e82c7ae6
-
SHA512
154fe0dc2e3184304ccdc360e9d10c025017b318998d405e9a8e74dc8161e40e1493aede3e8efcd412e62770dc6cc5c0afb26d5b1685ac0b692cfbf8c1aa8c62
-
SSDEEP
12288:sWYIPXjxannnHg2SPMey7LKykiCjOkOt5hNF4rdYJpklo0rlBtVpd7kqD+:sWYIPFannnHg2SonkjOkiNS5YwrlBtn4
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.albushrametalic.com - Port:
587 - Username:
[email protected] - Password:
GLBL1285# - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1104-10-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1104-10-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1104-10-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID -
Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1104-10-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1104-10-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1104-10-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 6 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
TOP20240252.exedescription pid process target process PID 2120 set thread context of 1104 2120 TOP20240252.exe TOP20240252.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
TOP20240252.exeTOP20240252.exepid process 2120 TOP20240252.exe 2120 TOP20240252.exe 2120 TOP20240252.exe 2120 TOP20240252.exe 2120 TOP20240252.exe 1104 TOP20240252.exe 1104 TOP20240252.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
TOP20240252.exeTOP20240252.exedescription pid process Token: SeDebugPrivilege 2120 TOP20240252.exe Token: SeDebugPrivilege 1104 TOP20240252.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
TOP20240252.exedescription pid process target process PID 2120 wrote to memory of 3340 2120 TOP20240252.exe TOP20240252.exe PID 2120 wrote to memory of 3340 2120 TOP20240252.exe TOP20240252.exe PID 2120 wrote to memory of 3340 2120 TOP20240252.exe TOP20240252.exe PID 2120 wrote to memory of 1104 2120 TOP20240252.exe TOP20240252.exe PID 2120 wrote to memory of 1104 2120 TOP20240252.exe TOP20240252.exe PID 2120 wrote to memory of 1104 2120 TOP20240252.exe TOP20240252.exe PID 2120 wrote to memory of 1104 2120 TOP20240252.exe TOP20240252.exe PID 2120 wrote to memory of 1104 2120 TOP20240252.exe TOP20240252.exe PID 2120 wrote to memory of 1104 2120 TOP20240252.exe TOP20240252.exe PID 2120 wrote to memory of 1104 2120 TOP20240252.exe TOP20240252.exe PID 2120 wrote to memory of 1104 2120 TOP20240252.exe TOP20240252.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\TOP20240252.exe"C:\Users\Admin\AppData\Local\Temp\TOP20240252.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2120 -
C:\Users\Admin\AppData\Local\Temp\TOP20240252.exe"C:\Users\Admin\AppData\Local\Temp\TOP20240252.exe"2⤵PID:3340
-
C:\Users\Admin\AppData\Local\Temp\TOP20240252.exe"C:\Users\Admin\AppData\Local\Temp\TOP20240252.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1104
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3