Analysis
-
max time kernel
162s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2023 17:32
Static task
static1
Behavioral task
behavioral1
Sample
PO Lists --- pdf.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
PO Lists --- pdf.exe
Resource
win10v2004-20230220-en
General
-
Target
PO Lists --- pdf.exe
-
Size
1.2MB
-
MD5
eea1fbd22436e2b085fa5fcc55ea052e
-
SHA1
76f7c18a39a48b86dda253eaa146fd6e1aa5df89
-
SHA256
43e66c483be9cbb9f35ce7f57bf255925abd25a8fc40b80d79bf0cd2a3f54af9
-
SHA512
3f9d3756e4e5f0bc1841a3fbfffd12fdd52708bb97db36b01dbb96b34946944e42297d9eb6e871f4ba5d653771118035eb7fc88f948e806911916409fc1bbdbe
-
SSDEEP
24576:/j0pZcKDySR/Pxt8eD8dSevyifwZpNZ0C:L0zOu/JtR8HvyuSeC
Malware Config
Extracted
Protocol: ftp- Host:
ftp.lucd.ru - Port:
21 - Username:
hwk@lucd.ru - Password:
obum@911
Signatures
-
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
Processes:
PO Lists --- pdf.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions PO Lists --- pdf.exe -
NirSoft MailPassView 4 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/3708-142-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral2/memory/3160-150-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3160-152-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3160-154-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 5 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/3708-142-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral2/memory/1300-157-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/1300-159-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/1300-164-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/1300-168-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 8 IoCs
Processes:
resource yara_rule behavioral2/memory/3708-142-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral2/memory/3160-150-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3160-152-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3160-154-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1300-157-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/1300-159-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/1300-164-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/1300-168-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
PO Lists --- pdf.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools PO Lists --- pdf.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
PO Lists --- pdf.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion PO Lists --- pdf.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion PO Lists --- pdf.exe -
Uses the VBS compiler for execution 1 TTPs
-
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
PO Lists --- pdf.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" PO Lists --- pdf.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 23 whatismyipaddress.com 25 whatismyipaddress.com -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
PO Lists --- pdf.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum PO Lists --- pdf.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 PO Lists --- pdf.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
PO Lists --- pdf.exePO Lists --- pdf.exedescription pid process target process PID 648 set thread context of 3708 648 PO Lists --- pdf.exe PO Lists --- pdf.exe PID 3708 set thread context of 3160 3708 PO Lists --- pdf.exe vbc.exe PID 3708 set thread context of 1300 3708 PO Lists --- pdf.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
PO Lists --- pdf.exepid process 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe 3708 PO Lists --- pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
PO Lists --- pdf.exedescription pid process Token: SeDebugPrivilege 3708 PO Lists --- pdf.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
PO Lists --- pdf.exepid process 3708 PO Lists --- pdf.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
PO Lists --- pdf.exePO Lists --- pdf.exedescription pid process target process PID 648 wrote to memory of 3708 648 PO Lists --- pdf.exe PO Lists --- pdf.exe PID 648 wrote to memory of 3708 648 PO Lists --- pdf.exe PO Lists --- pdf.exe PID 648 wrote to memory of 3708 648 PO Lists --- pdf.exe PO Lists --- pdf.exe PID 648 wrote to memory of 3708 648 PO Lists --- pdf.exe PO Lists --- pdf.exe PID 648 wrote to memory of 3708 648 PO Lists --- pdf.exe PO Lists --- pdf.exe PID 648 wrote to memory of 3708 648 PO Lists --- pdf.exe PO Lists --- pdf.exe PID 648 wrote to memory of 3708 648 PO Lists --- pdf.exe PO Lists --- pdf.exe PID 648 wrote to memory of 3708 648 PO Lists --- pdf.exe PO Lists --- pdf.exe PID 3708 wrote to memory of 3160 3708 PO Lists --- pdf.exe vbc.exe PID 3708 wrote to memory of 3160 3708 PO Lists --- pdf.exe vbc.exe PID 3708 wrote to memory of 3160 3708 PO Lists --- pdf.exe vbc.exe PID 3708 wrote to memory of 3160 3708 PO Lists --- pdf.exe vbc.exe PID 3708 wrote to memory of 3160 3708 PO Lists --- pdf.exe vbc.exe PID 3708 wrote to memory of 3160 3708 PO Lists --- pdf.exe vbc.exe PID 3708 wrote to memory of 3160 3708 PO Lists --- pdf.exe vbc.exe PID 3708 wrote to memory of 3160 3708 PO Lists --- pdf.exe vbc.exe PID 3708 wrote to memory of 3160 3708 PO Lists --- pdf.exe vbc.exe PID 3708 wrote to memory of 1300 3708 PO Lists --- pdf.exe vbc.exe PID 3708 wrote to memory of 1300 3708 PO Lists --- pdf.exe vbc.exe PID 3708 wrote to memory of 1300 3708 PO Lists --- pdf.exe vbc.exe PID 3708 wrote to memory of 1300 3708 PO Lists --- pdf.exe vbc.exe PID 3708 wrote to memory of 1300 3708 PO Lists --- pdf.exe vbc.exe PID 3708 wrote to memory of 1300 3708 PO Lists --- pdf.exe vbc.exe PID 3708 wrote to memory of 1300 3708 PO Lists --- pdf.exe vbc.exe PID 3708 wrote to memory of 1300 3708 PO Lists --- pdf.exe vbc.exe PID 3708 wrote to memory of 1300 3708 PO Lists --- pdf.exe vbc.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO Lists --- pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO Lists --- pdf.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\PO Lists --- pdf.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"3⤵
- Accesses Microsoft Outlook accounts
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO Lists --- pdf.exe.logFilesize
1KB
MD55200da2e50f24d5d543c3f10674acdcb
SHA1b574a3336839882d799c0a7f635ea238efb934ee
SHA256d2d81c1c9d35bc66149beaa77029bee68664d8512fc1efe373180bab77d61026
SHA51224722a7de3250a6027a411c8b79d0720554c4efd59553f54b94ab77dc21efbf3191e0912901db475f08a6e9c1855d9e9594504d80d27300097418f4384a9d9cb
-
C:\Users\Admin\AppData\Local\Temp\holderwb.txtFilesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
-
memory/648-133-0x0000000000B60000-0x0000000000CA4000-memory.dmpFilesize
1.3MB
-
memory/648-134-0x00000000055F0000-0x000000000568C000-memory.dmpFilesize
624KB
-
memory/648-135-0x0000000005C40000-0x00000000061E4000-memory.dmpFilesize
5.6MB
-
memory/648-136-0x0000000005730000-0x00000000057C2000-memory.dmpFilesize
584KB
-
memory/648-137-0x00000000056E0000-0x00000000056EA000-memory.dmpFilesize
40KB
-
memory/648-138-0x0000000005830000-0x0000000005886000-memory.dmpFilesize
344KB
-
memory/648-139-0x00000000058F0000-0x0000000005900000-memory.dmpFilesize
64KB
-
memory/648-140-0x00000000058F0000-0x0000000005900000-memory.dmpFilesize
64KB
-
memory/648-141-0x000000000DDC0000-0x000000000DE26000-memory.dmpFilesize
408KB
-
memory/1300-157-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
-
memory/1300-159-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
-
memory/1300-164-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
-
memory/1300-168-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
-
memory/3160-150-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
-
memory/3160-152-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
-
memory/3160-153-0x0000000000420000-0x00000000004E9000-memory.dmpFilesize
804KB
-
memory/3160-154-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
-
memory/3708-155-0x0000000005000000-0x0000000005010000-memory.dmpFilesize
64KB
-
memory/3708-156-0x0000000005000000-0x0000000005010000-memory.dmpFilesize
64KB
-
memory/3708-145-0x0000000005000000-0x0000000005010000-memory.dmpFilesize
64KB
-
memory/3708-163-0x0000000005000000-0x0000000005010000-memory.dmpFilesize
64KB
-
memory/3708-142-0x0000000000400000-0x0000000000488000-memory.dmpFilesize
544KB