Analysis
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max time kernel
61s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
30-03-2023 13:09
Static task
static1
Behavioral task
behavioral1
Sample
TT Copy.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
TT Copy.exe
Resource
win10v2004-20230220-en
General
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Target
TT Copy.exe
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Size
678KB
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MD5
49b64e415d7d80099fe079b57879e930
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SHA1
202495e27168431afd0ce4e57eeca037acd784fd
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SHA256
5ee727653b9e6ded021959d91650e3d23c1586b14ed1d22d84c8b3cd5f7e634a
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SHA512
72479984aaa3b97c701bd97f5ceba2de9bc4fce17b95cfbe27719dd44569a4fdd8d3771a367941370abd4fd9bd7d1008d24c278f72ed827bc929406508ad7924
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SSDEEP
12288:+eJ/sIU9Thtw2th1kfQe4fiGL0c4dwuS3iQRpS2Z5RzG1edBSj81tVimOMt+E:SHwqh1kIev40c43AiQ22zRzG8dA8imX
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.rapidcheckng.com - Port:
587 - Username:
[email protected] - Password:
@Rapidcheckng# - 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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.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 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
TT Copy.exedescription pid process target process PID 1396 set thread context of 1776 1396 TT Copy.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
TT Copy.exepowershell.exepid process 1396 TT Copy.exe 1396 TT Copy.exe 584 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
TT Copy.exeRegSvcs.exepowershell.exedescription pid process Token: SeDebugPrivilege 1396 TT Copy.exe Token: SeDebugPrivilege 1776 RegSvcs.exe Token: SeDebugPrivilege 584 powershell.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
TT Copy.exedescription pid process target process PID 1396 wrote to memory of 584 1396 TT Copy.exe powershell.exe PID 1396 wrote to memory of 584 1396 TT Copy.exe powershell.exe PID 1396 wrote to memory of 584 1396 TT Copy.exe powershell.exe PID 1396 wrote to memory of 584 1396 TT Copy.exe powershell.exe PID 1396 wrote to memory of 556 1396 TT Copy.exe schtasks.exe PID 1396 wrote to memory of 556 1396 TT Copy.exe schtasks.exe PID 1396 wrote to memory of 556 1396 TT Copy.exe schtasks.exe PID 1396 wrote to memory of 556 1396 TT Copy.exe schtasks.exe PID 1396 wrote to memory of 1776 1396 TT Copy.exe RegSvcs.exe PID 1396 wrote to memory of 1776 1396 TT Copy.exe RegSvcs.exe PID 1396 wrote to memory of 1776 1396 TT Copy.exe RegSvcs.exe PID 1396 wrote to memory of 1776 1396 TT Copy.exe RegSvcs.exe PID 1396 wrote to memory of 1776 1396 TT Copy.exe RegSvcs.exe PID 1396 wrote to memory of 1776 1396 TT Copy.exe RegSvcs.exe PID 1396 wrote to memory of 1776 1396 TT Copy.exe RegSvcs.exe PID 1396 wrote to memory of 1776 1396 TT Copy.exe RegSvcs.exe PID 1396 wrote to memory of 1776 1396 TT Copy.exe RegSvcs.exe PID 1396 wrote to memory of 1776 1396 TT Copy.exe RegSvcs.exe PID 1396 wrote to memory of 1776 1396 TT Copy.exe RegSvcs.exe PID 1396 wrote to memory of 1776 1396 TT Copy.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\TT Copy.exe"C:\Users\Admin\AppData\Local\Temp\TT Copy.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1396 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YmqxAO.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:584 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YmqxAO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC2B4.tmp"2⤵
- Creates scheduled task(s)
PID:556 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1776
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpC2B4.tmpFilesize
1KB
MD5908cbec2fda27a11f0ceb5d2a90d5319
SHA100f056dd737c9a8665121c693055ce7166db68af
SHA256682dbd9f039a41b6364a72b401fb33975da6abdc7a4b5fef3db8c38d5768b2f2
SHA51280efffd4a1fab96075b4fb208248d9b9762358221eec1da13c53276983c339ac3fd63eb0cb57234e7fb11e2be25567c32ac70c48e25199ea07b154cdf7bc91b6
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memory/584-84-0x0000000001D90000-0x0000000001DD0000-memory.dmpFilesize
256KB
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memory/1396-60-0x0000000004D20000-0x0000000004D60000-memory.dmpFilesize
256KB
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memory/1396-58-0x0000000004D20000-0x0000000004D60000-memory.dmpFilesize
256KB
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memory/1396-71-0x0000000004C50000-0x0000000004C82000-memory.dmpFilesize
200KB
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memory/1396-59-0x00000000004A0000-0x00000000004AE000-memory.dmpFilesize
56KB
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memory/1396-54-0x0000000000C10000-0x0000000000CBE000-memory.dmpFilesize
696KB
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memory/1396-61-0x0000000000480000-0x000000000048A000-memory.dmpFilesize
40KB
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memory/1396-62-0x0000000004D20000-0x0000000004D60000-memory.dmpFilesize
256KB
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memory/1396-63-0x00000000004B0000-0x00000000004BC000-memory.dmpFilesize
48KB
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memory/1396-56-0x0000000000480000-0x000000000048A000-memory.dmpFilesize
40KB
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memory/1396-68-0x0000000004D20000-0x0000000004D60000-memory.dmpFilesize
256KB
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memory/1396-55-0x0000000004D20000-0x0000000004D60000-memory.dmpFilesize
256KB
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memory/1396-57-0x0000000000480000-0x000000000048A000-memory.dmpFilesize
40KB
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memory/1396-64-0x0000000005800000-0x0000000005876000-memory.dmpFilesize
472KB
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memory/1776-75-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1776-76-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1776-77-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1776-78-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/1776-79-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1776-81-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1776-83-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1776-85-0x0000000004D20000-0x0000000004D60000-memory.dmpFilesize
256KB
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memory/1776-74-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB