Analysis
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max time kernel
150s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
03-04-2023 11:26
Static task
static1
Behavioral task
behavioral1
Sample
31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exe
Resource
win10v2004-20230220-en
General
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Target
31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exe
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Size
923KB
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MD5
5aa33c0ff774e15ceda6fb3f19f4bc9c
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SHA1
e473649407f5dce2f99f5ef8b26210f73f887292
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SHA256
31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33
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SHA512
59c9aa58c4fdf713deb339727f6faf2e1c64b6fdf4df8568eaa6216d236a521ed48f991cc839fd5f7b6856e68d30452dde57e692aad7d018547fd8fb4e614cf4
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SSDEEP
12288:EQwGNnSZcCyKxaP0AO9ee5dR6MOMeF2qSafV/wcE0yE9kkDpTQ7UpikAOROPrXkb:EQTgZc9U4OBPtSfVoe9kR709k
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
graceofgod@amenn
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4240-147-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation 31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exedescription pid process target process PID 4412 set thread context of 4240 4412 31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.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 4 IoCs
Processes:
RegSvcs.exepowershell.exepid process 4240 RegSvcs.exe 4240 RegSvcs.exe 1852 powershell.exe 1852 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1852 powershell.exe Token: SeDebugPrivilege 4240 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegSvcs.exepid process 4240 RegSvcs.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exedescription pid process target process PID 4412 wrote to memory of 1852 4412 31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exe powershell.exe PID 4412 wrote to memory of 1852 4412 31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exe powershell.exe PID 4412 wrote to memory of 1852 4412 31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exe powershell.exe PID 4412 wrote to memory of 3872 4412 31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exe schtasks.exe PID 4412 wrote to memory of 3872 4412 31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exe schtasks.exe PID 4412 wrote to memory of 3872 4412 31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exe schtasks.exe PID 4412 wrote to memory of 4240 4412 31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exe RegSvcs.exe PID 4412 wrote to memory of 4240 4412 31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exe RegSvcs.exe PID 4412 wrote to memory of 4240 4412 31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exe RegSvcs.exe PID 4412 wrote to memory of 4240 4412 31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exe RegSvcs.exe PID 4412 wrote to memory of 4240 4412 31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exe RegSvcs.exe PID 4412 wrote to memory of 4240 4412 31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exe RegSvcs.exe PID 4412 wrote to memory of 4240 4412 31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exe RegSvcs.exe PID 4412 wrote to memory of 4240 4412 31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\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-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exe"C:\Users\Admin\AppData\Local\Temp\31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZBvXLPcGcFJWf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZBvXLPcGcFJWf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBF68.tmp"2⤵
- Creates scheduled task(s)
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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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ligjiqfe.hfz.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Local\Temp\tmpBF68.tmpFilesize
1KB
MD57d1d744e1dfb4ffd24ea5714383fcad4
SHA1bf55fceac9e1783e0d9bff334fbbfd9c2dfa06b4
SHA256a335fee6fdca9e679ba2c1dc951943b49de4a3dd2a718355e1bc9146ac685925
SHA512a26d369efe89b347bd1d42a23fa2dbfb2d62dfbb743f71ec05c22475bdc2c5e0c4ce531dbad02a8f20d909bbd84f090dd273fc170aa2398a9e7b56385bd238d7
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memory/1852-164-0x00000000067B0000-0x00000000067CE000-memory.dmpFilesize
120KB
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memory/1852-182-0x0000000003030000-0x0000000003040000-memory.dmpFilesize
64KB
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memory/1852-188-0x0000000007F10000-0x0000000007F18000-memory.dmpFilesize
32KB
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memory/1852-165-0x0000000003030000-0x0000000003040000-memory.dmpFilesize
64KB
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memory/1852-187-0x0000000007F30000-0x0000000007F4A000-memory.dmpFilesize
104KB
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memory/1852-166-0x0000000006E90000-0x0000000006EC2000-memory.dmpFilesize
200KB
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memory/1852-186-0x0000000007E20000-0x0000000007E2E000-memory.dmpFilesize
56KB
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memory/1852-146-0x0000000005AA0000-0x00000000060C8000-memory.dmpFilesize
6.2MB
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memory/1852-185-0x0000000007E50000-0x0000000007EE6000-memory.dmpFilesize
600KB
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memory/1852-150-0x0000000003030000-0x0000000003040000-memory.dmpFilesize
64KB
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memory/1852-149-0x0000000003030000-0x0000000003040000-memory.dmpFilesize
64KB
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memory/1852-183-0x0000000003030000-0x0000000003040000-memory.dmpFilesize
64KB
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memory/1852-152-0x0000000005820000-0x0000000005842000-memory.dmpFilesize
136KB
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memory/1852-153-0x00000000058C0000-0x0000000005926000-memory.dmpFilesize
408KB
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memory/1852-154-0x0000000005930000-0x0000000005996000-memory.dmpFilesize
408KB
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memory/1852-181-0x0000000007C60000-0x0000000007C6A000-memory.dmpFilesize
40KB
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memory/1852-180-0x0000000007C00000-0x0000000007C1A000-memory.dmpFilesize
104KB
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memory/1852-179-0x0000000008280000-0x00000000088FA000-memory.dmpFilesize
6.5MB
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memory/1852-144-0x0000000002FC0000-0x0000000002FF6000-memory.dmpFilesize
216KB
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memory/1852-167-0x0000000071480000-0x00000000714CC000-memory.dmpFilesize
304KB
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memory/1852-177-0x0000000006E70000-0x0000000006E8E000-memory.dmpFilesize
120KB
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memory/1852-178-0x000000007F810000-0x000000007F820000-memory.dmpFilesize
64KB
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memory/4240-184-0x0000000005370000-0x0000000005380000-memory.dmpFilesize
64KB
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memory/4240-192-0x0000000005370000-0x0000000005380000-memory.dmpFilesize
64KB
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memory/4240-193-0x0000000005370000-0x0000000005380000-memory.dmpFilesize
64KB
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memory/4240-147-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/4240-151-0x0000000005370000-0x0000000005380000-memory.dmpFilesize
64KB
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memory/4240-191-0x0000000006620000-0x0000000006670000-memory.dmpFilesize
320KB
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memory/4412-136-0x00000000076D0000-0x00000000076DA000-memory.dmpFilesize
40KB
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memory/4412-137-0x0000000007500000-0x0000000007510000-memory.dmpFilesize
64KB
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memory/4412-139-0x00000000090F0000-0x000000000918C000-memory.dmpFilesize
624KB
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memory/4412-135-0x0000000007510000-0x00000000075A2000-memory.dmpFilesize
584KB
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memory/4412-138-0x0000000007500000-0x0000000007510000-memory.dmpFilesize
64KB
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memory/4412-133-0x00000000005A0000-0x000000000068E000-memory.dmpFilesize
952KB
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memory/4412-134-0x0000000007A00000-0x0000000007FA4000-memory.dmpFilesize
5.6MB