Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-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
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 behavioral1/memory/2348-4-0x0000000006200000-0x0000000006432000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-10-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-32-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-6-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-36-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-34-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-8-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-68-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-66-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-64-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-62-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-60-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-58-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-56-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-54-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-52-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-50-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-48-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-46-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-44-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-42-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-40-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-38-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-22-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-20-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-18-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-16-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-14-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-13-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-30-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-28-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-26-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-24-0x0000000006200000-0x000000000642C000-memory.dmp family_zgrat_v1 behavioral1/memory/2348-5-0x0000000006200000-0x000000000642C000-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 behavioral1/memory/2348-1-0x00000000009A0000-0x0000000000BE8000-memory.dmp family_purelog_stealer -
Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
resource yara_rule behavioral1/memory/3200-4905-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
resource yara_rule behavioral1/memory/3200-4905-0x0000000000400000-0x0000000000442000-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 behavioral1/memory/3200-4905-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
resource yara_rule behavioral1/memory/3200-4905-0x0000000000400000-0x0000000000442000-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 behavioral1/memory/3200-4905-0x0000000000400000-0x0000000000442000-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 behavioral1/memory/3200-4905-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
resource yara_rule behavioral1/memory/3200-4905-0x0000000000400000-0x0000000000442000-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 4 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2348 set thread context of 3200 2348 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3200 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe 3200 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2348 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe Token: SeDebugPrivilege 2348 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe Token: SeDebugPrivilege 3200 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2348 wrote to memory of 3200 2348 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe 28 PID 2348 wrote to memory of 3200 2348 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe 28 PID 2348 wrote to memory of 3200 2348 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe 28 PID 2348 wrote to memory of 3200 2348 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe 28 PID 2348 wrote to memory of 3200 2348 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe 28 PID 2348 wrote to memory of 3200 2348 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe 28 PID 2348 wrote to memory of 3200 2348 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe 28 PID 2348 wrote to memory of 3200 2348 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe 28 PID 2348 wrote to memory of 3200 2348 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c.exe 28
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:2348 -
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:3200
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