Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
28-04-2024 01:18
Static task
static1
Behavioral task
behavioral1
Sample
e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe
Resource
win10v2004-20240419-en
General
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Target
e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe
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Size
1.1MB
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MD5
de6540781225c26de5323372607b1b86
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SHA1
47285e439b17e8d9382af52534d5e48505366130
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SHA256
e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d
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SHA512
d4d9b14cb6dd86c89d86f23e65251a384a6a4062d89e9a15d9c4b553fb50fc53a80f9b21cc9443f886c081625c7a983500b9f239d213c7e81988dd426072feb6
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SSDEEP
24576:QqDEvCTbMWu7rQYlBQcBiT6rprG8afCUzbkEys:QTvC/MTQYxsWR7afCubb
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.jmfresh.sg - Port:
587 - Username:
[email protected] - Password:
[email protected] - 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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\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 4 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exedescription pid process target process PID 1804 set thread context of 2680 1804 e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 2680 RegSvcs.exe 2680 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exepid process 1804 e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe 1804 e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 2680 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exepid process 1804 e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe 1804 e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exepid process 1804 e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe 1804 e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exedescription pid process target process PID 1804 wrote to memory of 2680 1804 e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe RegSvcs.exe PID 1804 wrote to memory of 2680 1804 e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe RegSvcs.exe PID 1804 wrote to memory of 2680 1804 e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe RegSvcs.exe PID 1804 wrote to memory of 2680 1804 e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe RegSvcs.exe PID 1804 wrote to memory of 2680 1804 e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe RegSvcs.exe PID 1804 wrote to memory of 2680 1804 e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe RegSvcs.exe PID 1804 wrote to memory of 2680 1804 e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe RegSvcs.exe PID 1804 wrote to memory of 2680 1804 e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe"C:\Users\Admin\AppData\Local\Temp\e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\e7cd58a50e4d53e1bfbcb4457d12f40db4b75144dde77bfbb594125ce522d54d.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1804-10-0x00000000005A0000-0x00000000005A4000-memory.dmpFilesize
16KB
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memory/2680-11-0x0000000000090000-0x00000000000D2000-memory.dmpFilesize
264KB
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memory/2680-17-0x0000000000090000-0x00000000000D2000-memory.dmpFilesize
264KB
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memory/2680-14-0x0000000000090000-0x00000000000D2000-memory.dmpFilesize
264KB
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memory/2680-20-0x0000000000090000-0x00000000000D2000-memory.dmpFilesize
264KB
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memory/2680-21-0x0000000074390000-0x0000000074A7E000-memory.dmpFilesize
6.9MB
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memory/2680-22-0x0000000004AE0000-0x0000000004B20000-memory.dmpFilesize
256KB
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memory/2680-24-0x0000000074390000-0x0000000074A7E000-memory.dmpFilesize
6.9MB
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memory/2680-25-0x0000000004AE0000-0x0000000004B20000-memory.dmpFilesize
256KB