Analysis
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max time kernel
98s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
02/05/2024, 01:08
Static task
static1
Behavioral task
behavioral1
Sample
1eecb41cab35c2ad1402959834f8c39ca39c70a7b749906344d4423b3c78bfd7.exe
Resource
win7-20240419-en
General
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Target
1eecb41cab35c2ad1402959834f8c39ca39c70a7b749906344d4423b3c78bfd7.exe
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Size
236KB
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MD5
313288ef87f8dfd992039233d952ede2
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SHA1
6e83e5923f2b8d94f2ca832394a27a6c731fa1ac
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SHA256
1eecb41cab35c2ad1402959834f8c39ca39c70a7b749906344d4423b3c78bfd7
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SHA512
3ee8c186b02c55c49940e4609c93052ca96fde1a40cb59495bb2e01a1abcba8f227050447595a63db88c494458c5457a4e13d6fae238ac80263198721a62559b
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SSDEEP
6144:HYVE08tYLBZGEQrdm4Vz0Rpppppppppppppppppppppppppppppq:+LQrdm4Vz0Rpppppppppppppppppppp4
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
investms.vadavo.cloud - Port:
587 - Username:
[email protected] - Password:
emp@GnVg+%sS},OW - 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/3636-3-0x0000000005D40000-0x0000000005F72000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-15-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-47-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-51-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-61-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-67-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-65-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-63-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-59-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-57-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-55-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-53-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-49-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-45-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-41-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-39-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-37-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-31-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-43-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-35-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-33-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-69-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-29-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-27-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-25-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-23-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-21-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-19-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-17-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-13-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-11-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-9-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-7-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 behavioral2/memory/3636-6-0x0000000005D40000-0x0000000005F6B000-memory.dmp family_zgrat_v1 -
Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
resource yara_rule behavioral2/memory/388-4898-0x0000000000400000-0x0000000000442000-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/388-4898-0x0000000000400000-0x0000000000442000-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/388-4898-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables packed with SmartAssembly 1 IoCs
resource yara_rule behavioral2/memory/3636-1-0x00000000000C0000-0x0000000000102000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
resource yara_rule behavioral2/memory/388-4898-0x0000000000400000-0x0000000000442000-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/388-4898-0x0000000000400000-0x0000000000442000-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/388-4898-0x0000000000400000-0x0000000000442000-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/388-4898-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
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 3636 set thread context of 388 3636 1eecb41cab35c2ad1402959834f8c39ca39c70a7b749906344d4423b3c78bfd7.exe 90 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 388 aspnet_compiler.exe 388 aspnet_compiler.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3636 1eecb41cab35c2ad1402959834f8c39ca39c70a7b749906344d4423b3c78bfd7.exe Token: SeDebugPrivilege 3636 1eecb41cab35c2ad1402959834f8c39ca39c70a7b749906344d4423b3c78bfd7.exe Token: SeDebugPrivilege 388 aspnet_compiler.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 388 aspnet_compiler.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3636 wrote to memory of 388 3636 1eecb41cab35c2ad1402959834f8c39ca39c70a7b749906344d4423b3c78bfd7.exe 90 PID 3636 wrote to memory of 388 3636 1eecb41cab35c2ad1402959834f8c39ca39c70a7b749906344d4423b3c78bfd7.exe 90 PID 3636 wrote to memory of 388 3636 1eecb41cab35c2ad1402959834f8c39ca39c70a7b749906344d4423b3c78bfd7.exe 90 PID 3636 wrote to memory of 388 3636 1eecb41cab35c2ad1402959834f8c39ca39c70a7b749906344d4423b3c78bfd7.exe 90 PID 3636 wrote to memory of 388 3636 1eecb41cab35c2ad1402959834f8c39ca39c70a7b749906344d4423b3c78bfd7.exe 90 PID 3636 wrote to memory of 388 3636 1eecb41cab35c2ad1402959834f8c39ca39c70a7b749906344d4423b3c78bfd7.exe 90 PID 3636 wrote to memory of 388 3636 1eecb41cab35c2ad1402959834f8c39ca39c70a7b749906344d4423b3c78bfd7.exe 90 PID 3636 wrote to memory of 388 3636 1eecb41cab35c2ad1402959834f8c39ca39c70a7b749906344d4423b3c78bfd7.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\1eecb41cab35c2ad1402959834f8c39ca39c70a7b749906344d4423b3c78bfd7.exe"C:\Users\Admin\AppData\Local\Temp\1eecb41cab35c2ad1402959834f8c39ca39c70a7b749906344d4423b3c78bfd7.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3636 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:388
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