Analysis
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max time kernel
136s -
max time network
134s -
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 01:49
Behavioral task
behavioral1
Sample
98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe
Resource
win10v2004-20240426-en
General
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Target
98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe
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Size
2.3MB
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MD5
6cdb9b3646fbefc111393b9e6834ee90
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SHA1
dca4d194ae5a0cf8b3a5e556d01a893d4855057d
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SHA256
98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c
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SHA512
fa6b79328402a57f431afcf8b546e0264460e809f2fd490532c027890fb775924d0a6121e7faa687ac55242ae4c9764f36b496a8f336ec2b52dd57c37bd8596b
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SSDEEP
49152:Dz83C0oao0ONh96WVunTgieqN9xBaxwNk1Ysm:P6C0a0y9rVuUFyRaxWGYr
Malware Config
Extracted
Protocol: smtp- Host:
mail.gencoldfire.com - Port:
587 - Username:
[email protected] - Password:
U+&%W@y1mSEUOinP
Extracted
agenttesla
Protocol: smtp- Host:
mail.gencoldfire.com - Port:
587 - Username:
[email protected] - Password:
U+&%W@y1mSEUOinP - 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
resource yara_rule behavioral2/memory/3628-4-0x0000000005350000-0x0000000005582000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-8-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-12-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-32-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-46-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-48-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-58-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-70-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-68-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-66-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-64-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-62-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-56-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-54-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-52-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-50-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-60-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-44-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-42-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-40-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-38-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-36-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-34-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-30-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-28-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-26-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-20-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-18-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-16-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-14-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-11-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-24-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-22-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 behavioral2/memory/3628-7-0x0000000005350000-0x000000000557C000-memory.dmp family_zgrat_v1 -
PureLog Stealer
PureLog Stealer is an infostealer written in C#.
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PureLog Stealer payload 1 IoCs
resource yara_rule behavioral2/memory/3628-1-0x0000000000530000-0x0000000000778000-memory.dmp family_purelog_stealer -
Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
resource yara_rule behavioral2/memory/652-4896-0x0000000000400000-0x0000000000442000-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/652-4896-0x0000000000400000-0x0000000000442000-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/652-4896-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
resource yara_rule behavioral2/memory/652-4896-0x0000000000400000-0x0000000000442000-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/652-4896-0x0000000000400000-0x0000000000442000-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/652-4896-0x0000000000400000-0x0000000000442000-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/652-4896-0x0000000000400000-0x0000000000442000-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.
flow ioc 23 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3628 set thread context of 652 3628 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe 85 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 652 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe 652 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3628 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe Token: SeDebugPrivilege 3628 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe Token: SeDebugPrivilege 652 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3628 wrote to memory of 652 3628 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe 85 PID 3628 wrote to memory of 652 3628 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe 85 PID 3628 wrote to memory of 652 3628 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe 85 PID 3628 wrote to memory of 652 3628 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe 85 PID 3628 wrote to memory of 652 3628 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe 85 PID 3628 wrote to memory of 652 3628 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe 85 PID 3628 wrote to memory of 652 3628 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe 85 PID 3628 wrote to memory of 652 3628 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe"C:\Users\Admin\AppData\Local\Temp\98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3628 -
C:\Users\Admin\AppData\Local\Temp\98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe"C:\Users\Admin\AppData\Local\Temp\98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:652
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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\98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe.log
Filesize805B
MD558a9108e39c2ea50e65c23be3a9407cf
SHA1fb21f7b9330aa1a77080a3243b81b49035102d7b
SHA2566049be83020702896a539b5c8c13270add224d7b91b3ee0bebc328791b74a84b
SHA51293804ee8a4560503e47c07f5fa4a959e23355a01aba406c103d339debc9b2b1d20a345cdbb8d8069dac97b9151f228cf559ac3dde1500e3484fba1a4126842bf