Analysis
-
max time kernel
122s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
09-05-2024 01:02
Static task
static1
Behavioral task
behavioral1
Sample
07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe
Resource
win7-20231129-en
General
-
Target
07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe
-
Size
2.3MB
-
MD5
e05072707e8bf8693a2fdbbf09ee5171
-
SHA1
aa419828400cf6b684382a8a0d43d9551bafacb5
-
SHA256
07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4
-
SHA512
1b8db09a65831e7cc6688feab6a1ab45612b28db0be72404ecd77fd67462ea8915742941dc32b65a7cb5bc689f7c18da1d1602a68f50b778da94bfb6d276c945
-
SSDEEP
49152:Figf68sOtnjOXpR4k9lYFHA2tZwLRm8qyt:Fio6Lpl94HdjsRjq
Malware Config
Extracted
Protocol: smtp- Host:
mail.sturmsgroup.com - Port:
587 - Username:
[email protected] - Password:
y[/wk46uE}y(|Xn[
Extracted
agenttesla
Protocol: smtp- Host:
mail.sturmsgroup.com - Port:
587 - Username:
[email protected] - Password:
y[/wk46uE}y(|Xn[ - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Detect ZGRat V1 34 IoCs
resource yara_rule behavioral2/memory/3248-4-0x0000000005B90000-0x0000000005DC0000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-28-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-34-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-24-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-52-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-50-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-70-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-64-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-62-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-60-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-68-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-66-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-58-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-56-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-48-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-46-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-40-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-38-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-36-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-54-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-44-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-42-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-32-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-30-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-22-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-20-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-16-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-14-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-12-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-26-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-18-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-10-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-8-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/3248-7-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 -
Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
resource yara_rule behavioral2/memory/744-4894-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
resource yara_rule behavioral2/memory/744-4894-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
resource yara_rule behavioral2/memory/744-4894-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
resource yara_rule behavioral2/memory/744-4894-0x0000000000400000-0x0000000000442000-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
resource yara_rule behavioral2/memory/744-4894-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
resource yara_rule behavioral2/memory/744-4894-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
resource yara_rule behavioral2/memory/744-4894-0x0000000000400000-0x0000000000442000-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.
flow ioc 26 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3248 set thread context of 744 3248 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe 89 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 744 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe 744 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3248 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe Token: SeDebugPrivilege 3248 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe Token: SeDebugPrivilege 744 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3248 wrote to memory of 744 3248 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe 89 PID 3248 wrote to memory of 744 3248 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe 89 PID 3248 wrote to memory of 744 3248 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe 89 PID 3248 wrote to memory of 744 3248 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe 89 PID 3248 wrote to memory of 744 3248 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe 89 PID 3248 wrote to memory of 744 3248 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe 89 PID 3248 wrote to memory of 744 3248 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe 89 PID 3248 wrote to memory of 744 3248 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe"C:\Users\Admin\AppData\Local\Temp\07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3248 -
C:\Users\Admin\AppData\Local\Temp\07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe"C:\Users\Admin\AppData\Local\Temp\07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:744
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe.log
Filesize805B
MD558a9108e39c2ea50e65c23be3a9407cf
SHA1fb21f7b9330aa1a77080a3243b81b49035102d7b
SHA2566049be83020702896a539b5c8c13270add224d7b91b3ee0bebc328791b74a84b
SHA51293804ee8a4560503e47c07f5fa4a959e23355a01aba406c103d339debc9b2b1d20a345cdbb8d8069dac97b9151f228cf559ac3dde1500e3484fba1a4126842bf