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 10:54
Static task
static1
Behavioral task
behavioral1
Sample
swiftsend_29042024_pdf.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
swiftsend_29042024_pdf.exe
Resource
win10v2004-20240426-en
General
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Target
swiftsend_29042024_pdf.exe
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Size
695KB
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MD5
1a9cebb11f9cda632a4f05a2568fdff6
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SHA1
2eb92ed81c2cf1890200272a9a92ebadcea45073
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SHA256
06aa10d506553f5dedcb071dde3402df257ec09e60468af7fd4764777482896b
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SHA512
96d3902e35cb79c0f2e0f9e9becc62755d8de71383238282c12372e5d204a6d8de61c926fda298fecf8c8dddb06b9ac2ea3aef22b540897fe0169ecdee76a83c
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SSDEEP
12288:SKrZFroyHogKCB778QehMUgEeJhyI6EkbKrHK0p81OTTlrqTh+5AudIuFd2+oOY4:/rZvBCNglJhyLEmq18GTVqtDQN2+SEf
Malware Config
Extracted
Protocol: smtp- Host:
mail.kowalskiokna.pl - Port:
587 - Username:
[email protected] - Password:
artgeruhst75g
Extracted
agenttesla
Protocol: smtp- Host:
mail.kowalskiokna.pl - Port:
587 - Username:
[email protected] - Password:
artgeruhst75g - 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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
swiftsend_29042024_pdf.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation swiftsend_29042024_pdf.exe -
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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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 18 api.ipify.org 19 ip-api.com 17 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
swiftsend_29042024_pdf.exedescription pid process target process PID 3308 set thread context of 3684 3308 swiftsend_29042024_pdf.exe swiftsend_29042024_pdf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
swiftsend_29042024_pdf.exeswiftsend_29042024_pdf.exepowershell.exepid process 3308 swiftsend_29042024_pdf.exe 3308 swiftsend_29042024_pdf.exe 3684 swiftsend_29042024_pdf.exe 3684 swiftsend_29042024_pdf.exe 2304 powershell.exe 2304 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
swiftsend_29042024_pdf.exeswiftsend_29042024_pdf.exepowershell.exedescription pid process Token: SeDebugPrivilege 3308 swiftsend_29042024_pdf.exe Token: SeDebugPrivilege 3684 swiftsend_29042024_pdf.exe Token: SeDebugPrivilege 2304 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
swiftsend_29042024_pdf.exedescription pid process target process PID 3308 wrote to memory of 2304 3308 swiftsend_29042024_pdf.exe powershell.exe PID 3308 wrote to memory of 2304 3308 swiftsend_29042024_pdf.exe powershell.exe PID 3308 wrote to memory of 2304 3308 swiftsend_29042024_pdf.exe powershell.exe PID 3308 wrote to memory of 3684 3308 swiftsend_29042024_pdf.exe swiftsend_29042024_pdf.exe PID 3308 wrote to memory of 3684 3308 swiftsend_29042024_pdf.exe swiftsend_29042024_pdf.exe PID 3308 wrote to memory of 3684 3308 swiftsend_29042024_pdf.exe swiftsend_29042024_pdf.exe PID 3308 wrote to memory of 3684 3308 swiftsend_29042024_pdf.exe swiftsend_29042024_pdf.exe PID 3308 wrote to memory of 3684 3308 swiftsend_29042024_pdf.exe swiftsend_29042024_pdf.exe PID 3308 wrote to memory of 3684 3308 swiftsend_29042024_pdf.exe swiftsend_29042024_pdf.exe PID 3308 wrote to memory of 3684 3308 swiftsend_29042024_pdf.exe swiftsend_29042024_pdf.exe PID 3308 wrote to memory of 3684 3308 swiftsend_29042024_pdf.exe swiftsend_29042024_pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\swiftsend_29042024_pdf.exe"C:\Users\Admin\AppData\Local\Temp\swiftsend_29042024_pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\Local\Temp\swiftsend_29042024_pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\swiftsend_29042024_pdf.exe"C:\Users\Admin\AppData\Local\Temp\swiftsend_29042024_pdf.exe"2⤵
- 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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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_m5gwgzyv.ttv.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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memory/2304-51-0x00000000070D0000-0x00000000070DA000-memory.dmpFilesize
40KB
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memory/2304-50-0x0000000007060000-0x000000000707A000-memory.dmpFilesize
104KB
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memory/2304-23-0x0000000004E20000-0x0000000004E86000-memory.dmpFilesize
408KB
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memory/2304-14-0x0000000004F30000-0x0000000005558000-memory.dmpFilesize
6.2MB
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memory/2304-60-0x0000000074940000-0x00000000750F0000-memory.dmpFilesize
7.7MB
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memory/2304-57-0x0000000007380000-0x0000000007388000-memory.dmpFilesize
32KB
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memory/2304-56-0x00000000073A0000-0x00000000073BA000-memory.dmpFilesize
104KB
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memory/2304-55-0x00000000072A0000-0x00000000072B4000-memory.dmpFilesize
80KB
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memory/2304-54-0x0000000007290000-0x000000000729E000-memory.dmpFilesize
56KB
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memory/2304-53-0x0000000007260000-0x0000000007271000-memory.dmpFilesize
68KB
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memory/2304-52-0x00000000072E0000-0x0000000007376000-memory.dmpFilesize
600KB
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memory/2304-13-0x0000000000C20000-0x0000000000C56000-memory.dmpFilesize
216KB
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memory/2304-49-0x00000000076B0000-0x0000000007D2A000-memory.dmpFilesize
6.5MB
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memory/2304-48-0x0000000006F30000-0x0000000006FD3000-memory.dmpFilesize
652KB
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memory/2304-18-0x00000000048F0000-0x0000000004900000-memory.dmpFilesize
64KB
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memory/2304-47-0x0000000006290000-0x00000000062AE000-memory.dmpFilesize
120KB
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memory/2304-17-0x00000000048F0000-0x0000000004900000-memory.dmpFilesize
64KB
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memory/2304-37-0x0000000070660000-0x00000000706AC000-memory.dmpFilesize
304KB
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memory/2304-36-0x0000000006CF0000-0x0000000006D22000-memory.dmpFilesize
200KB
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memory/2304-22-0x0000000004D80000-0x0000000004DA2000-memory.dmpFilesize
136KB
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memory/2304-35-0x00000000062B0000-0x00000000062FC000-memory.dmpFilesize
304KB
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memory/2304-34-0x0000000005D40000-0x0000000005D5E000-memory.dmpFilesize
120KB
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memory/2304-21-0x0000000074940000-0x00000000750F0000-memory.dmpFilesize
7.7MB
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memory/2304-29-0x0000000005720000-0x0000000005A74000-memory.dmpFilesize
3.3MB
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memory/3308-8-0x00000000051B0000-0x00000000051C6000-memory.dmpFilesize
88KB
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memory/3308-7-0x00000000051A0000-0x00000000051AE000-memory.dmpFilesize
56KB
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memory/3308-20-0x0000000074940000-0x00000000750F0000-memory.dmpFilesize
7.7MB
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memory/3308-3-0x0000000004C10000-0x0000000004CA2000-memory.dmpFilesize
584KB
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memory/3308-1-0x0000000074940000-0x00000000750F0000-memory.dmpFilesize
7.7MB
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memory/3308-0-0x00000000002E0000-0x0000000000394000-memory.dmpFilesize
720KB
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memory/3308-5-0x0000000004DC0000-0x0000000004DCA000-memory.dmpFilesize
40KB
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memory/3308-6-0x0000000005160000-0x0000000005178000-memory.dmpFilesize
96KB
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memory/3308-4-0x0000000004E70000-0x0000000004E80000-memory.dmpFilesize
64KB
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memory/3308-2-0x00000000051C0000-0x0000000005764000-memory.dmpFilesize
5.6MB
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memory/3308-9-0x0000000005EF0000-0x0000000005F74000-memory.dmpFilesize
528KB
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memory/3308-10-0x0000000008740000-0x00000000087DC000-memory.dmpFilesize
624KB
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memory/3684-15-0x0000000005700000-0x0000000005766000-memory.dmpFilesize
408KB
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memory/3684-62-0x0000000074940000-0x00000000750F0000-memory.dmpFilesize
7.7MB
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memory/3684-63-0x00000000057D0000-0x00000000057E0000-memory.dmpFilesize
64KB
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memory/3684-11-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/3684-19-0x00000000057D0000-0x00000000057E0000-memory.dmpFilesize
64KB
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memory/3684-16-0x0000000074940000-0x00000000750F0000-memory.dmpFilesize
7.7MB
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memory/3684-61-0x0000000006F00000-0x0000000006F50000-memory.dmpFilesize
320KB