Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 02:04
Static task
static1
Behavioral task
behavioral1
Sample
fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe
Resource
win7-20240419-en
General
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Target
fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe
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Size
2.7MB
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MD5
e11acfeb4c5abd3107db3ec3f444aa68
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SHA1
9ae203f30e57491e7b40be60c4fd92845c4e8903
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SHA256
fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04
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SHA512
6d494a39736c1566847c4745e8874759eb78201a385633122c69e1b1f652865165bc0e10d6a4867e598f086e8895a20fdfe0e2a8b4e2961d805dc4df9f93bd13
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SSDEEP
49152:t0VfAsnOwpwAD8LC6tjPIE0btjchR8whX7eJFHh17TxlnPRLdWPCNx2p:mVfAsOwpwHCWEzjiUJlnPJdWqNx
Malware Config
Extracted
Protocol: smtp- Host:
mail.apexrnun.com - Port:
587 - Username:
[email protected] - Password:
CCu5Z?WuH+bS4hsz
Extracted
agenttesla
Protocol: smtp- Host:
mail.apexrnun.com - Port:
587 - Username:
[email protected] - Password:
CCu5Z?WuH+bS4hsz - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect ZGRat V1 34 IoCs
Processes:
resource yara_rule behavioral2/memory/3676-4-0x0000000006E60000-0x0000000007090000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-20-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-24-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-40-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-46-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-56-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-54-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-52-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-50-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-48-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-44-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-42-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-38-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-36-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-34-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-30-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-28-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-32-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-26-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-22-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-18-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-16-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-14-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-12-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-10-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-8-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-7-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-60-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-58-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-70-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-68-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-67-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-62-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 behavioral2/memory/3676-64-0x0000000006E60000-0x000000000708A000-memory.dmp family_zgrat_v1 -
Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3452-4895-0x0000000000400000-0x0000000000442000-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/3452-4895-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3452-4895-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables packed with SmartAssembly 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3676-1-0x00000000002E0000-0x0000000000596000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3452-4895-0x0000000000400000-0x0000000000442000-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
Processes:
resource yara_rule behavioral2/memory/3452-4895-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3452-4895-0x0000000000400000-0x0000000000442000-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/3452-4895-0x0000000000400000-0x0000000000442000-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.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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 22 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exedescription pid Process procid_target PID 3676 set thread context of 3452 3676 fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe 86 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exepid Process 3452 fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe 3452 fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exefb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exedescription pid Process Token: SeDebugPrivilege 3676 fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe Token: SeDebugPrivilege 3676 fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe Token: SeDebugPrivilege 3452 fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exedescription pid Process procid_target PID 3676 wrote to memory of 3452 3676 fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe 86 PID 3676 wrote to memory of 3452 3676 fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe 86 PID 3676 wrote to memory of 3452 3676 fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe 86 PID 3676 wrote to memory of 3452 3676 fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe 86 PID 3676 wrote to memory of 3452 3676 fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe 86 PID 3676 wrote to memory of 3452 3676 fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe 86 PID 3676 wrote to memory of 3452 3676 fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe 86 PID 3676 wrote to memory of 3452 3676 fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe"C:\Users\Admin\AppData\Local\Temp\fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3676 -
C:\Users\Admin\AppData\Local\Temp\fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe"C:\Users\Admin\AppData\Local\Temp\fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3452
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe.log
Filesize805B
MD54b74e933d78bd5e8fb1cc4653fb2133c
SHA1f6e931eec700fa325bd40c3adc6f1c0eba806066
SHA256fd99bed17853f5ad196ca6d4a62f5e2405fbdf5b98cbf45af8b7cef83e4bcec3
SHA512b56ff89eff1a757a87dcb875206ae92d39ffdb5adf638600c21bc7c76ff4cc25502ae1060716488c7ed1641f8cdfad2a320443b7b4d9f09808eb86eb87f351ec