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regasm.exe

  1. Resubmit sample
Category Machine Started Completed
FILE s1_win7_x6402 April 23, 2021, 10:51 a.m. April 23, 2021, 10:56 a.m.
Size 148.3KB
Type PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
MD5 bc342f9679aeab723916338bce061ae5
SHA256 5d96ff0fc3e6847c93e28bce3c25bce90dd5401fc147def6ee33c5d90bfb3add
CRC32 0EF5937A
ssdeep 3072:FEre7GjyCaFvcXbSa7oiLfAlF4DX+11QLRjbX3rtkmxEqr9k:FPXaSgokfmFJ11Q1bZzxEqy
Yara
  • PE_Header_Zero - PE File Signature Zero
  • IsPE32 - (no description)
  • IsWindowsGUI - (no description)
  • IsPacked - Entropy Check
  • HasOverlay - Overlay Check
  • HasRichSignature - Rich Signature Check
  • escalate_priv - Escalade priviledges
  • screenshot - Take screenshot
  • win_registry - Affect system registries
  • win_token - Affect system token
  • win_private_profile - Affect private profile
  • win_files_operation - Affect private profile

Name Response Post-Analysis Lookup
meirback.co.uk
A 172.67.156.147
A 104.21.8.2
172.67.156.147
IP Address Status Action
104.21.8.2 Active Moloch
164.124.101.2 Active Moloch
172.217.25.14 Active Moloch

Suricata Alerts

Flow SID Signature Category
TCP 192.168.56.102:49810 -> 104.21.8.2:80 2021641 ET MALWARE LokiBot User-Agent (Charon/Inferno) A Network Trojan was detected
TCP 192.168.56.102:49810 -> 104.21.8.2:80 2025381 ET MALWARE LokiBot Checkin Malware Command and Control Activity Detected
TCP 192.168.56.102:49810 -> 104.21.8.2:80 2024312 ET MALWARE LokiBot Application/Credential Data Exfiltration Detected M1 A Network Trojan was detected
TCP 192.168.56.102:49810 -> 104.21.8.2:80 2024317 ET MALWARE LokiBot Application/Credential Data Exfiltration Detected M2 A Network Trojan was detected
TCP 192.168.56.102:49815 -> 104.21.8.2:80 2021641 ET MALWARE LokiBot User-Agent (Charon/Inferno) A Network Trojan was detected
TCP 192.168.56.102:49815 -> 104.21.8.2:80 2025381 ET MALWARE LokiBot Checkin Malware Command and Control Activity Detected
TCP 192.168.56.102:49815 -> 104.21.8.2:80 2024313 ET MALWARE LokiBot Request for C2 Commands Detected M1 Malware Command and Control Activity Detected
TCP 192.168.56.102:49815 -> 104.21.8.2:80 2024318 ET MALWARE LokiBot Request for C2 Commands Detected M2 Malware Command and Control Activity Detected
TCP 104.21.8.2:80 -> 192.168.56.102:49815 2025483 ET MALWARE LokiBot Fake 404 Response A Network Trojan was detected
TCP 192.168.56.102:49812 -> 104.21.8.2:80 2021641 ET MALWARE LokiBot User-Agent (Charon/Inferno) A Network Trojan was detected
TCP 192.168.56.102:49812 -> 104.21.8.2:80 2025381 ET MALWARE LokiBot Checkin Malware Command and Control Activity Detected
TCP 192.168.56.102:49812 -> 104.21.8.2:80 2024312 ET MALWARE LokiBot Application/Credential Data Exfiltration Detected M1 A Network Trojan was detected
TCP 192.168.56.102:49812 -> 104.21.8.2:80 2024317 ET MALWARE LokiBot Application/Credential Data Exfiltration Detected M2 A Network Trojan was detected
TCP 192.168.56.102:49814 -> 104.21.8.2:80 2021641 ET MALWARE LokiBot User-Agent (Charon/Inferno) A Network Trojan was detected
TCP 192.168.56.102:49814 -> 104.21.8.2:80 2025381 ET MALWARE LokiBot Checkin Malware Command and Control Activity Detected
TCP 192.168.56.102:49814 -> 104.21.8.2:80 2024313 ET MALWARE LokiBot Request for C2 Commands Detected M1 Malware Command and Control Activity Detected
TCP 192.168.56.102:49814 -> 104.21.8.2:80 2024318 ET MALWARE LokiBot Request for C2 Commands Detected M2 Malware Command and Control Activity Detected
TCP 104.21.8.2:80 -> 192.168.56.102:49814 2025483 ET MALWARE LokiBot Fake 404 Response A Network Trojan was detected

Suricata TLS

No Suricata TLS

Time & API Arguments Status Return Repeated

GetComputerNameA

 computer_name: TEST22-PC
1 1 0

GetComputerNameA

 computer_name: TEST22-PC
1 1 0

GetComputerNameW

 computer_name: TEST22-PC
1 1 0

GetComputerNameW

 computer_name: TEST22-PC
1 1 0

GetComputerNameW

 computer_name: TEST22-PC
1 1 0
Time & API Arguments Status Return Repeated

IsDebuggerPresent

 0 0
registry HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\MachineGuid
registry HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\Mozilla Firefox
Time & API Arguments Status Return Repeated

GlobalMemoryStatusEx

 1 1 0
section .ndata
suspicious_features POST method with no referer header, HTTP version 1.0 used suspicious_request POST http://meirback.co.uk/Bn1/fre.php
request POST http://meirback.co.uk/Bn1/fre.php
request POST http://meirback.co.uk/Bn1/fre.php
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

 process_identifier: 1836
region_size: 8192
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x01e10000
allocation_type: 12288 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0xffffffff
1 0 0
Time & API Arguments Status Return Repeated

GetDiskFreeSpaceW

 number_of_free_clusters: 3245913
sectors_per_cluster: 8
bytes_per_sector: 512
root_path: \
total_number_of_clusters: 8362495
1 1 0

GetDiskFreeSpaceW

 number_of_free_clusters: 3245913
sectors_per_cluster: 8
bytes_per_sector: 512
root_path: \
total_number_of_clusters: 8362495
1 1 0
file C:\Users\test22\AppData\Local\Google\Chrome\User Data\Default\Login Data
file C:\Users\test22\AppData\Roaming\Opera\Opera Next\data\Default\Login Data
file C:\Users\test22\AppData\Roaming\Opera\Opera Next\data\User Data\Default\Web Data
file C:\Users\test22\AppData\Roaming\Opera\Opera Next\data\User Data\Default\Login Data
file C:\Users\test22\AppData\Roaming\Opera\Opera Next\data\Login Data
file C:\Users\test22\AppData\Local\Chromium\User Data\Default\Web Data
file C:\Users\test22\AppData\Local\Chromium\User Data\Default\Login Data
file C:\Users\test22\AppData\LocalMapleStudio\ChromePlus\Default\Login Data
file C:\Users\test22\AppData\Local\MapleStudio\ChromePlus\User Data\Default\Web Data
file C:\Users\test22\AppData\Local\MapleStudio\ChromePlus\User Data\Default\Login Data
file C:\Users\test22\AppData\LocalMapleStudio\ChromePlus\Login Data
file C:\Users\test22\AppData\Local\Nichrome\User Data\Default\Login Data
file C:\Users\test22\AppData\Local\Nichrome\User Data\Default\Web Data
file C:\Users\test22\AppData\Local\RockMelt\User Data\Default\Login Data
file C:\Users\test22\AppData\Local\RockMelt\User Data\Default\Web Data
file C:\Users\test22\AppData\Local\Yandex\YandexBrowser\User Data\Default\Web Data
file C:\Users\test22\AppData\Local\Yandex\YandexBrowser\User Data\Default\Login Data
registry HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\SeaMonkey
registry HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\Mozilla Firefox
file C:\Users\test22\AppData\Local\Temp\nsqA2.tmp\osja59nxskx1.dll
file C:\Users\test22\AppData\Local\Temp\nsqA2.tmp\osja59nxskx1.dll
Time & API Arguments Status Return Repeated

MoveFileWithProgressW

 newfilepath_r: C:\Users\test22\AppData\Roaming\41D896\6D6F4D.exe
flags: 1
oldfilepath_r: C:\Users\test22\AppData\Local\Temp\regasm.exe
newfilepath: C:\Users\test22\AppData\Roaming\41D896\6D6F4D.exe
oldfilepath: C:\Users\test22\AppData\Local\Temp\regasm.exe
1 1 0
Time & API Arguments Status Return Repeated

LookupPrivilegeValueW

 system_name:
privilege_name: SeDebugPrivilege
1 1 0
host 172.217.25.14
file C:\Program Files (x86)\FTPGetter\Profile\servers.xml
file C:\Users\test22\AppData\Roaming\FTPGetter\servers.xml
file C:\Users\test22\AppData\Roaming\Estsoft\ALFTP\ESTdb2.dat
file C:\Users\test22\AppData\Roaming\GHISLER\wcx_ftp.ini
file C:\Users\test22\AppData\Roaming\wcx_ftp.ini
file C:\Windows\wcx_ftp.ini
file C:\Users\test22\wcx_ftp.ini
file C:\Windows\32BitFtp.ini
file C:\Users\test22\AppData\Roaming\FileZilla\sitemanager.xml
file C:\Program Files (x86)\FileZilla\Filezilla.xml
file C:\Users\test22\AppData\Roaming\FileZilla\recentservers.xml
file C:\Users\test22\AppData\Roaming\FileZilla\filezilla.xml
registry HKEY_CURRENT_USER\Software\Far\Plugins\FTP\Hosts
registry HKEY_CURRENT_USER\Software\Far2\Plugins\FTP\Hosts
registry HKEY_CURRENT_USER\Software\Ghisler\Total Commander
registry HKEY_CURRENT_USER\Software\VanDyke\SecureFX
registry HKEY_CURRENT_USER\Software\LinasFTP\Site Manager
registry HKEY_CURRENT_USER\Software\FlashPeak\BlazeFtp\Settings
registry HKEY_CURRENT_USER\Software\SimonTatham\PuTTY\Sessions
registry HKEY_LOCAL_MACHINE\Software\SimonTatham\PuTTY\Sessions
registry HKEY_CURRENT_USER\Software\Martin Prikryl
registry HKEY_LOCAL_MACHINE\Software\Martin Prikryl
file C:\Users\test22\AppData\Roaming\.purple\accounts.xml
file C:\Users\test22\AppData\Roaming\Thunderbird\profiles.ini
registry HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook
registry HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\Mozilla Thunderbird\78.4.0 (ko)\Main
registry HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook
Process injection Process 1836 called NtSetContextThread to modify thread in remote process 7032
Time & API Arguments Status Return Repeated

NtSetContextThread

 registers.eip: 2000355780
registers.esp: 1638384
registers.edi: 0
registers.eax: 4274654
registers.ebp: 0
registers.edx: 0
registers.ebx: 2130567168
registers.esi: 0
registers.ecx: 0
thread_handle: 0x00000218
process_identifier: 7032
1 0 0
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