Analysis Overview
SHA256
aa203ad2aac0bf8b392ec2add640ba020c2ed9938bea18dbf26631e9faa70f9d
Threat Level: Known bad
The file boost-bo.exe was found to be: Known bad.
Malicious Activity Summary
AgentTesla
AgentTesla payload
Obfuscated with Agile.Net obfuscator
Drops file in System32 directory
Enumerates system info in registry
Modifies system certificate store
Suspicious use of AdjustPrivilegeToken
Delays execution with timeout.exe
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-06-28 20:18
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-06-28 20:18
Reported
2023-06-28 20:24
Platform
win7-20230621-en
Max time kernel
161s
Max time network
246s
Command Line
Signatures
AgentTesla
AgentTesla payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Obfuscated with Agile.Net obfuscator
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Users\Admin\AppData\Local\Temp\boost-bo.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer | C:\Users\Admin\AppData\Local\Temp\boost-bo.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion | C:\Users\Admin\AppData\Local\Temp\boost-bo.exe | N/A |
Modifies system certificate store
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474 | C:\Users\Admin\AppData\Local\Temp\boost-bo.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 040000000100000010000000acb694a59c17e0d791529bb19706a6e40f0000000100000014000000ce0e658aa3e847e467a147b3049191093d055e6f0b0000000100000034000000420061006c00740069006d006f007200650020004300790062006500720054007200750073007400200052006f006f007400000053000000010000002400000030223020060a2b06010401b13e01640130123010060a2b0601040182373c0101030200c0140000000100000014000000e59d5930824758ccacfa085436867b3ab5044df01d0000000100000010000000918ad43a9475f78bb5243de886d8103c09000000010000000c000000300a06082b06010505070301030000000100000014000000d4de20d05e66fc53fe1a50882c78db2852cae47419000000010000001000000068cb42b035ea773e52ef50ecf50ec52920000000010000007b030000308203773082025fa0030201020204020000b9300d06092a864886f70d0101050500305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f74301e170d3030303531323138343630305a170d3235303531323233353930305a305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f7430820122300d06092a864886f70d01010105000382010f003082010a0282010100a304bb22ab983d57e826729ab579d429e2e1e89580b1b0e35b8e2b299a64dfa15dedb009056ddb282ece62a262feb488da12eb38eb219dc0412b01527b8877d31c8fc7bab988b56a09e773e81140a7d1ccca628d2de58f0ba650d2a850c328eaf5ab25878a9a961ca967b83f0cd5f7f952132fc21bd57070f08fc012ca06cb9ae1d9ca337a77d6f8ecb9f16844424813d2c0c2a4ae5e60feb6a605fcb4dd075902d459189863f5a563e0900c7d5db2067af385eaebd403ae5e843e5fff15ed69bcf939367275cf77524df3c9902cb93de5c923533f1f2498215c079929bdc63aece76e863a6b97746333bd681831f0788d76bffc9e8e5d2a86a74d90dc271a390203010001a3453043301d0603551d0e04160414e59d5930824758ccacfa085436867b3ab5044df030120603551d130101ff040830060101ff020103300e0603551d0f0101ff040403020106300d06092a864886f70d01010505000382010100850c5d8ee46f51684205a0ddbb4f27258403bdf764fd2dd730e3a41017ebda2929b6793f76f6191323b8100af958a4d46170bd04616a128a17d50abdc5bc307cd6e90c258d86404feccca37e38c637114feddd68318e4cd2b30174eebe755e07481a7f70ff165c84c07985b805fd7fbe6511a30fc002b4f852373904d5a9317a18bfa02af41299f7a34582e33c5ef59d9eb5c89e7c2ec8a49e4e08144b6dfd706d6b1a63bd64e61fb7cef0f29f2ebb1bb7f250887392c2e2e3168d9a3202ab8e18dde91011ee7e35ab90af3e30947ad0333da7650ff5fc8e9e62cf47442c015dbb1db532d247d2382ed0fe81dc326a1eb5ee3cd5fce7811d19c32442ea6339a9 | C:\Users\Admin\AppData\Local\Temp\boost-bo.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\boost-bo.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\boost-bo.exe
"C:\Users\Admin\AppData\Local\Temp\boost-bo.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | keyauth.win | udp |
| US | 188.114.97.0:443 | keyauth.win | tcp |
Files
memory/1560-54-0x00000000002E0000-0x0000000000780000-memory.dmp
memory/1560-55-0x0000000000BA0000-0x0000000000BEE000-memory.dmp
memory/1560-56-0x00000000009B0000-0x00000000009F0000-memory.dmp
memory/1560-57-0x00000000051B0000-0x0000000005458000-memory.dmp
memory/1560-60-0x00000000009B0000-0x00000000009F0000-memory.dmp
memory/1560-61-0x00000000009B0000-0x00000000009F0000-memory.dmp
memory/1560-62-0x00000000009B0000-0x00000000009F0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-06-28 20:18
Reported
2023-06-28 20:24
Platform
win10v2004-20230621-en
Max time kernel
296s
Max time network
301s
Command Line
Signatures
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{B3ED97C1-29D5-4CEE-9746-37CFCCE534E8}.catalogItem | C:\Windows\System32\svchost.exe | N/A |
| File created | C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{6869B309-902E-45DC-AB81-6C435E406890}.catalogItem | C:\Windows\System32\svchost.exe | N/A |
| File created | C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{B44163E1-9605-43A5-B590-6513C7924344}.catalogItem | C:\Windows\System32\svchost.exe | N/A |
| File created | C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{D8246399-7C3B-474D-BA69-069CFB88A261}.catalogItem | C:\Windows\System32\svchost.exe | N/A |
| File created | C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{5D562BA4-0445-4117-AB2C-6D5F4BF53022}.catalogItem | C:\Windows\System32\svchost.exe | N/A |
| File created | C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{05ACF860-7E97-44CD-9568-FFD4B874985E}.catalogItem | C:\Windows\System32\svchost.exe | N/A |
| File created | C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{129A8DC3-3A30-44E4-9F8D-37E2F7B44007}.catalogItem | C:\Windows\System32\svchost.exe | N/A |
| File created | C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{5CB00B3C-2D5D-42D8-87C5-03A1527CFB16}.catalogItem | C:\Windows\System32\svchost.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Users\Admin\AppData\Local\Temp\boost-bo.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer | C:\Users\Admin\AppData\Local\Temp\boost-bo.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion | C:\Users\Admin\AppData\Local\Temp\boost-bo.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\boost-bo.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1528 wrote to memory of 3716 | N/A | C:\Users\Admin\AppData\Local\Temp\boost-bo.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1528 wrote to memory of 3716 | N/A | C:\Users\Admin\AppData\Local\Temp\boost-bo.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1528 wrote to memory of 3716 | N/A | C:\Users\Admin\AppData\Local\Temp\boost-bo.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3716 wrote to memory of 2956 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3716 wrote to memory of 2956 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3716 wrote to memory of 2956 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2956 wrote to memory of 688 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 2956 wrote to memory of 688 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 2956 wrote to memory of 688 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\boost-bo.exe
"C:\Users\Admin\AppData\Local\Temp\boost-bo.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /c start cmd /C "color b && title Error && echo Signature checksum failed. Request was tampered with or session ended most likely. & echo: & echo Response: {"success":true,"message":"Logged in!","info":{"username":"oesje","subscriptions":[{"subscription":"default","key":null,"expiry":"1830024720","timeleft":142041157,"level":"1"}],"ip":"154.61.71.13","hwid":null,"createdate":"1687983211","lastlogin":"1687983563"},"nonce":"5AvbpZ9hPzO211X3cfPWihBIOeiKK75g"} && timeout /t 5"
C:\Windows\SysWOW64\cmd.exe
cmd /C "color b && title Error && echo Signature checksum failed. Request was tampered with or session ended most likely. & echo: & echo Response: {"success":true,"message":"Logged in!","info":{"username":"oesje","subscriptions":[{"subscription":"default","key":null,"expiry":"1830024720","timeleft":142041157,"level":"1"}],"ip":"154.61.71.13","hwid":null,"createdate":"1687983211","lastlogin":"1687983563"},"nonce":"5AvbpZ9hPzO211X3cfPWihBIOeiKK75g"} && timeout /t 5"
C:\Windows\SysWOW64\timeout.exe
timeout /t 5
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.178.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | keyauth.win | udp |
| US | 188.114.97.0:443 | keyauth.win | tcp |
| US | 8.8.8.8:53 | 54.120.234.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.97.114.188.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | assets.msn.com | udp |
| FR | 23.72.248.204:443 | assets.msn.com | tcp |
| US | 8.8.8.8:53 | 69.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 135.1.85.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 204.248.72.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.3.197.209.in-addr.arpa | udp |
| US | 13.89.179.10:443 | tcp | |
| US | 8.8.8.8:53 | 45.8.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.33.253.131.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 38.148.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | assets.msn.com | udp |
| NL | 95.101.74.44:443 | assets.msn.com | tcp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 44.74.101.95.in-addr.arpa | udp |
Files
memory/1528-133-0x0000000000820000-0x0000000000CC0000-memory.dmp
memory/1528-134-0x0000000005CD0000-0x0000000006274000-memory.dmp
memory/1528-135-0x0000000005720000-0x00000000057B2000-memory.dmp
memory/1528-136-0x0000000005650000-0x0000000005660000-memory.dmp
memory/1528-137-0x00000000058D0000-0x00000000058DA000-memory.dmp
memory/1528-138-0x0000000007520000-0x0000000007532000-memory.dmp
memory/1528-141-0x0000000005650000-0x0000000005660000-memory.dmp
memory/1528-142-0x0000000005650000-0x0000000005660000-memory.dmp
memory/1528-143-0x000000000A0B0000-0x000000000A0EC000-memory.dmp
memory/1528-144-0x0000000005650000-0x0000000005660000-memory.dmp
memory/1528-145-0x0000000005650000-0x0000000005660000-memory.dmp
memory/1528-146-0x0000000005650000-0x0000000005660000-memory.dmp