Analysis
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max time kernel
94s -
max time network
96s -
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 01:50
Static task
static1
Behavioral task
behavioral1
Sample
c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe
Resource
win10v2004-20240508-en
General
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Target
c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe
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Size
248KB
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MD5
a7ee4bf397ac471b6e818964bc9f518a
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SHA1
a042a85d36f52537aa7ed433bdf641dcd81d7cfa
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SHA256
c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e
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SHA512
3805160ea83e316e71614bbbec2b93fe9d54efb3f8497e53acbb2f44ad24bc19640b526c11824fc4e7e077120613150b97beca83afd1d406d10cc69c80b6a03e
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SSDEEP
3072:m6HN1dPKXDENnCDDRvLGyrOAOkGt6+duWA/t/SHUebbxCbGgKk12qk/SPYm21KLV:m6HNCUstvLGxOLbMUsK6sH
Malware Config
Extracted
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
[email protected] - Password:
s9jjoVvaZchS
Extracted
agenttesla
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
[email protected] - Password:
s9jjoVvaZchS - 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/4228-3-0x0000000007680000-0x00000000078B0000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-6-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-17-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-31-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-29-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-27-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-25-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-23-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-21-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-15-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-13-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-11-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-9-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-7-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-19-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-59-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-61-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-69-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-67-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-66-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-63-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-57-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-55-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-53-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-51-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-49-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-47-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-45-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-43-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-41-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-39-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-37-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-36-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 behavioral2/memory/4228-33-0x0000000007680000-0x00000000078AA000-memory.dmp family_zgrat_v1 -
Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3128-4898-0x0000000000400000-0x0000000000442000-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/3128-4898-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3128-4898-0x0000000000400000-0x0000000000442000-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
Processes:
resource yara_rule behavioral2/memory/3128-4898-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3128-4898-0x0000000000400000-0x0000000000442000-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/3128-4898-0x0000000000400000-0x0000000000442000-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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\savef = "C:\\Users\\Admin\\AppData\\Roaming\\savef.exe" c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 37 api.ipify.org 38 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exedescription pid Process procid_target PID 4228 set thread context of 3128 4228 c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe 92 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exepid Process 3128 c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe 3128 c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exec8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exedescription pid Process Token: SeDebugPrivilege 4228 c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe Token: SeDebugPrivilege 4228 c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe Token: SeDebugPrivilege 3128 c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exedescription pid Process procid_target PID 4228 wrote to memory of 3128 4228 c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe 92 PID 4228 wrote to memory of 3128 4228 c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe 92 PID 4228 wrote to memory of 3128 4228 c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe 92 PID 4228 wrote to memory of 3128 4228 c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe 92 PID 4228 wrote to memory of 3128 4228 c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe 92 PID 4228 wrote to memory of 3128 4228 c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe 92 PID 4228 wrote to memory of 3128 4228 c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe 92 PID 4228 wrote to memory of 3128 4228 c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe"C:\Users\Admin\AppData\Local\Temp\c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4228 -
C:\Users\Admin\AppData\Local\Temp\c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe"C:\Users\Admin\AppData\Local\Temp\c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3128
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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\c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe.log
Filesize1KB
MD5f3eb81974dc5933681e933f07209ff5f
SHA17af8cae0f1d03e82daaf784df9886705685baac7
SHA256e82069884dd428bd6a1c67fe00c5fa56f9c4d62b538b694694a699588f1f4ab2
SHA512d9aa3871dffb76c8a73a7940fa03bbc9b65cf575cbd07f7c1fbf490cb0f3d670415eaef0bf79e34689f61ab3cdfbb104efdef004becc12e54b501f02f948aaff