Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
29-04-2024 21:49
Static task
static1
Behavioral task
behavioral1
Sample
58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d.exe
Resource
win10v2004-20240426-en
General
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Target
58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d.exe
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Size
1.1MB
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MD5
271556a6e502efc394f570f3c57c8596
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SHA1
74c9c4d81c32f7e2c0b4cdc0a21bc916255b7249
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SHA256
58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d
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SHA512
dcf7c92c8aa85518edddb95b01935b805fb59b36c7c8b013ae51fa6afc176fb9657fa731dfb421193d0b433f0ea139de2aeeec96d48673866f69b71410826735
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SSDEEP
24576:rqDEvCTbMWu7rQYlBQcBiT6rprG8atQ3XBrIgKm3pW:rTvC/MTQYxsWR7atQ39I+Z
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.cash4cars.nz - Port:
587 - Username:
[email protected] - Password:
logs2024! - 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 packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2552-11-0x0000000000400000-0x0000000000442000-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/2552-11-0x0000000000400000-0x0000000000442000-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/2552-11-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2552-11-0x0000000000400000-0x0000000000442000-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/2552-11-0x0000000000400000-0x0000000000442000-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/2552-11-0x0000000000400000-0x0000000000442000-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/2552-11-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newfile = "C:\\Users\\Admin\\AppData\\Roaming\\newfile\\newfile.exe" RegSvcs.exe -
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 14 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d.exedescription pid process target process PID 2288 set thread context of 2552 2288 58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 2552 RegSvcs.exe 2552 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d.exepid process 2288 58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 2552 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d.exepid process 2288 58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d.exe 2288 58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d.exe -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d.exepid process 2288 58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d.exe 2288 58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d.exedescription pid process target process PID 2288 wrote to memory of 2552 2288 58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d.exe RegSvcs.exe PID 2288 wrote to memory of 2552 2288 58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d.exe RegSvcs.exe PID 2288 wrote to memory of 2552 2288 58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d.exe RegSvcs.exe PID 2288 wrote to memory of 2552 2288 58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d.exe"C:\Users\Admin\AppData\Local\Temp\58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2288 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2552
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2288-10-0x0000000002830000-0x0000000002834000-memory.dmpFilesize
16KB
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memory/2552-11-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2552-12-0x0000000075540000-0x0000000075CF0000-memory.dmpFilesize
7.7MB
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memory/2552-13-0x0000000005A40000-0x0000000005FE4000-memory.dmpFilesize
5.6MB
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memory/2552-14-0x0000000005480000-0x0000000005490000-memory.dmpFilesize
64KB
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memory/2552-15-0x0000000005390000-0x00000000053F6000-memory.dmpFilesize
408KB
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memory/2552-17-0x0000000006570000-0x00000000065C0000-memory.dmpFilesize
320KB
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memory/2552-18-0x0000000006660000-0x00000000066F2000-memory.dmpFilesize
584KB
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memory/2552-19-0x00000000065F0000-0x00000000065FA000-memory.dmpFilesize
40KB
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memory/2552-20-0x0000000075540000-0x0000000075CF0000-memory.dmpFilesize
7.7MB
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memory/2552-21-0x0000000005480000-0x0000000005490000-memory.dmpFilesize
64KB