Analysis
-
max time kernel
151s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
18-03-2024 23:41
Behavioral task
behavioral1
Sample
d4a9a0f90082268ebe5b0ecb8c0d8844.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
d4a9a0f90082268ebe5b0ecb8c0d8844.exe
Resource
win10v2004-20240226-en
General
-
Target
d4a9a0f90082268ebe5b0ecb8c0d8844.exe
-
Size
139KB
-
MD5
d4a9a0f90082268ebe5b0ecb8c0d8844
-
SHA1
f75c068a1849b43ad7aa78a908ddc6b5fc14285f
-
SHA256
8f7074c17844d70b1da84771256367d3d088f0d039ee7758475d9bba09b461c5
-
SHA512
23be1c3265ed8d4d6c95bdda1c7114ffc0fd1a5501c4d7691c3a420cc2c09fd06b142430ebb3eef7688112c7e2000ca79c54b4ab73424ea6349478975f87987a
-
SSDEEP
3072:SwzbCYMaEMBgDwrQhkAaPuJDhjawpyip0T7Ku/VxE1qF9hl7GXB:DC1XzeAaPqdawIq0T7zTRo
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
ydos.exepid process 2100 ydos.exe -
Loads dropped DLL 1 IoCs
Processes:
d4a9a0f90082268ebe5b0ecb8c0d8844.exepid process 1224 d4a9a0f90082268ebe5b0ecb8c0d8844.exe -
Processes:
resource yara_rule behavioral1/memory/1224-0-0x0000000000400000-0x0000000000455000-memory.dmp upx \Users\Admin\AppData\Roaming\Fova\ydos.exe upx behavioral1/memory/1224-8-0x00000000002A0000-0x00000000002F5000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
ydos.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\{974FDE92-3EC7-7A1D-934F-D6A726919145} = "C:\\Users\\Admin\\AppData\\Roaming\\Fova\\ydos.exe" ydos.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
d4a9a0f90082268ebe5b0ecb8c0d8844.exedescription pid process target process PID 1224 set thread context of 1212 1224 d4a9a0f90082268ebe5b0ecb8c0d8844.exe cmd.exe -
Processes:
d4a9a0f90082268ebe5b0ecb8c0d8844.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Internet Explorer\Privacy d4a9a0f90082268ebe5b0ecb8c0d8844.exe Set value (int) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Internet Explorer\Privacy\CleanCookies = "0" d4a9a0f90082268ebe5b0ecb8c0d8844.exe -
Suspicious behavior: EnumeratesProcesses 33 IoCs
Processes:
ydos.exepid process 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe 2100 ydos.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
d4a9a0f90082268ebe5b0ecb8c0d8844.exedescription pid process Token: SeSecurityPrivilege 1224 d4a9a0f90082268ebe5b0ecb8c0d8844.exe Token: SeSecurityPrivilege 1224 d4a9a0f90082268ebe5b0ecb8c0d8844.exe Token: SeSecurityPrivilege 1224 d4a9a0f90082268ebe5b0ecb8c0d8844.exe -
Suspicious use of WriteProcessMemory 53 IoCs
Processes:
d4a9a0f90082268ebe5b0ecb8c0d8844.exeydos.exedescription pid process target process PID 1224 wrote to memory of 2100 1224 d4a9a0f90082268ebe5b0ecb8c0d8844.exe ydos.exe PID 1224 wrote to memory of 2100 1224 d4a9a0f90082268ebe5b0ecb8c0d8844.exe ydos.exe PID 1224 wrote to memory of 2100 1224 d4a9a0f90082268ebe5b0ecb8c0d8844.exe ydos.exe PID 1224 wrote to memory of 2100 1224 d4a9a0f90082268ebe5b0ecb8c0d8844.exe ydos.exe PID 2100 wrote to memory of 1272 2100 ydos.exe taskhost.exe PID 2100 wrote to memory of 1272 2100 ydos.exe taskhost.exe PID 2100 wrote to memory of 1272 2100 ydos.exe taskhost.exe PID 2100 wrote to memory of 1272 2100 ydos.exe taskhost.exe PID 2100 wrote to memory of 1272 2100 ydos.exe taskhost.exe PID 2100 wrote to memory of 1380 2100 ydos.exe Dwm.exe PID 2100 wrote to memory of 1380 2100 ydos.exe Dwm.exe PID 2100 wrote to memory of 1380 2100 ydos.exe Dwm.exe PID 2100 wrote to memory of 1380 2100 ydos.exe Dwm.exe PID 2100 wrote to memory of 1380 2100 ydos.exe Dwm.exe PID 2100 wrote to memory of 1416 2100 ydos.exe Explorer.EXE PID 2100 wrote to memory of 1416 2100 ydos.exe Explorer.EXE PID 2100 wrote to memory of 1416 2100 ydos.exe Explorer.EXE PID 2100 wrote to memory of 1416 2100 ydos.exe Explorer.EXE PID 2100 wrote to memory of 1416 2100 ydos.exe Explorer.EXE PID 2100 wrote to memory of 2156 2100 ydos.exe DllHost.exe PID 2100 wrote to memory of 2156 2100 ydos.exe DllHost.exe PID 2100 wrote to memory of 2156 2100 ydos.exe DllHost.exe PID 2100 wrote to memory of 2156 2100 ydos.exe DllHost.exe PID 2100 wrote to memory of 2156 2100 ydos.exe DllHost.exe PID 2100 wrote to memory of 1224 2100 ydos.exe d4a9a0f90082268ebe5b0ecb8c0d8844.exe PID 2100 wrote to memory of 1224 2100 ydos.exe d4a9a0f90082268ebe5b0ecb8c0d8844.exe PID 2100 wrote to memory of 1224 2100 ydos.exe d4a9a0f90082268ebe5b0ecb8c0d8844.exe PID 2100 wrote to memory of 1224 2100 ydos.exe d4a9a0f90082268ebe5b0ecb8c0d8844.exe PID 2100 wrote to memory of 1224 2100 ydos.exe d4a9a0f90082268ebe5b0ecb8c0d8844.exe PID 1224 wrote to memory of 1212 1224 d4a9a0f90082268ebe5b0ecb8c0d8844.exe cmd.exe PID 1224 wrote to memory of 1212 1224 d4a9a0f90082268ebe5b0ecb8c0d8844.exe cmd.exe PID 1224 wrote to memory of 1212 1224 d4a9a0f90082268ebe5b0ecb8c0d8844.exe cmd.exe PID 1224 wrote to memory of 1212 1224 d4a9a0f90082268ebe5b0ecb8c0d8844.exe cmd.exe PID 1224 wrote to memory of 1212 1224 d4a9a0f90082268ebe5b0ecb8c0d8844.exe cmd.exe PID 1224 wrote to memory of 1212 1224 d4a9a0f90082268ebe5b0ecb8c0d8844.exe cmd.exe PID 1224 wrote to memory of 1212 1224 d4a9a0f90082268ebe5b0ecb8c0d8844.exe cmd.exe PID 1224 wrote to memory of 1212 1224 d4a9a0f90082268ebe5b0ecb8c0d8844.exe cmd.exe PID 1224 wrote to memory of 1212 1224 d4a9a0f90082268ebe5b0ecb8c0d8844.exe cmd.exe PID 2100 wrote to memory of 2688 2100 ydos.exe conhost.exe PID 2100 wrote to memory of 2688 2100 ydos.exe conhost.exe PID 2100 wrote to memory of 2688 2100 ydos.exe conhost.exe PID 2100 wrote to memory of 2688 2100 ydos.exe conhost.exe PID 2100 wrote to memory of 2688 2100 ydos.exe conhost.exe PID 2100 wrote to memory of 2836 2100 ydos.exe DllHost.exe PID 2100 wrote to memory of 2836 2100 ydos.exe DllHost.exe PID 2100 wrote to memory of 2836 2100 ydos.exe DllHost.exe PID 2100 wrote to memory of 2836 2100 ydos.exe DllHost.exe PID 2100 wrote to memory of 2836 2100 ydos.exe DllHost.exe PID 2100 wrote to memory of 1340 2100 ydos.exe DllHost.exe PID 2100 wrote to memory of 1340 2100 ydos.exe DllHost.exe PID 2100 wrote to memory of 1340 2100 ydos.exe DllHost.exe PID 2100 wrote to memory of 1340 2100 ydos.exe DllHost.exe PID 2100 wrote to memory of 1340 2100 ydos.exe DllHost.exe
Processes
-
C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵
-
C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
-
C:\Users\Admin\AppData\Local\Temp\d4a9a0f90082268ebe5b0ecb8c0d8844.exe"C:\Users\Admin\AppData\Local\Temp\d4a9a0f90082268ebe5b0ecb8c0d8844.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Fova\ydos.exe"C:\Users\Admin\AppData\Roaming\Fova\ydos.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp8331d49c.bat"3⤵
-
C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵
-
C:\Windows\system32\conhost.exe\??\C:\Windows\system32\conhost.exe "18757031982147370148-17337496101242346351961955892-204793670512716135342027449854"1⤵
-
C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}1⤵
-
C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}1⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Roaming\Inefyt\qawyy.cuiFilesize
366B
MD531b5a4876c491bfebf5a3d2576644076
SHA11f2295f6c40a5ddb7694122f9b028a98d399f944
SHA256aae4c246d87b1d80162602d6a33f3dbdf155ff2cdcd035dc8b989e3cb9ac43fd
SHA512b8b6a8593553a752a8673371f578459c4b847e4f7516dd3da54472eae883dec2ea4e0b91a32289f527ceba4d5c5ff78555fb0239de5574a1a005b523cbe19611
-
\Users\Admin\AppData\Roaming\Fova\ydos.exeFilesize
139KB
MD58160024fe2e12ee2c644bd1696189f53
SHA10e598b5393aff7f6d2aed1d975976e154e298ff0
SHA25630c73e7b491a9a8aaf61a3bdd3f122de4ab7364365ac08e1ad03d5cff109fa10
SHA51277dc1f495c6f6f3864037e0eb0f73a4c91fcd27f5c9054631df78a75e745ab77103d37da91179fb57804e9d8c502c78f6ce77d11d74c1cb3d3d0a13bf9b9ec8b
-
memory/1212-207-0x0000000000050000-0x0000000000076000-memory.dmpFilesize
152KB
-
memory/1212-163-0x0000000077240000-0x0000000077241000-memory.dmpFilesize
4KB
-
memory/1212-161-0x0000000077240000-0x0000000077241000-memory.dmpFilesize
4KB
-
memory/1212-158-0x0000000000050000-0x0000000000076000-memory.dmpFilesize
152KB
-
memory/1224-70-0x0000000000390000-0x0000000000391000-memory.dmpFilesize
4KB
-
memory/1224-78-0x0000000000390000-0x0000000000391000-memory.dmpFilesize
4KB
-
memory/1224-1-0x0000000000230000-0x0000000000241000-memory.dmpFilesize
68KB
-
memory/1224-53-0x0000000000390000-0x0000000000391000-memory.dmpFilesize
4KB
-
memory/1224-2-0x0000000000400000-0x0000000000455000-memory.dmpFilesize
340KB
-
memory/1224-3-0x0000000000400000-0x0000000000455000-memory.dmpFilesize
340KB
-
memory/1224-54-0x0000000077240000-0x0000000077241000-memory.dmpFilesize
4KB
-
memory/1224-157-0x00000000002A0000-0x00000000002C6000-memory.dmpFilesize
152KB
-
memory/1224-156-0x0000000000400000-0x0000000000455000-memory.dmpFilesize
340KB
-
memory/1224-144-0x0000000000390000-0x0000000000391000-memory.dmpFilesize
4KB
-
memory/1224-143-0x0000000000400000-0x0000000000455000-memory.dmpFilesize
340KB
-
memory/1224-80-0x0000000000390000-0x0000000000391000-memory.dmpFilesize
4KB
-
memory/1224-76-0x0000000000390000-0x0000000000391000-memory.dmpFilesize
4KB
-
memory/1224-74-0x0000000000390000-0x0000000000391000-memory.dmpFilesize
4KB
-
memory/1224-72-0x0000000000390000-0x0000000000391000-memory.dmpFilesize
4KB
-
memory/1224-0-0x0000000000400000-0x0000000000455000-memory.dmpFilesize
340KB
-
memory/1224-68-0x0000000000390000-0x0000000000391000-memory.dmpFilesize
4KB
-
memory/1224-66-0x0000000000390000-0x0000000000391000-memory.dmpFilesize
4KB
-
memory/1224-64-0x0000000000390000-0x0000000000391000-memory.dmpFilesize
4KB
-
memory/1224-62-0x0000000000390000-0x0000000000391000-memory.dmpFilesize
4KB
-
memory/1224-45-0x00000000002A0000-0x00000000002C6000-memory.dmpFilesize
152KB
-
memory/1224-46-0x00000000002A0000-0x00000000002C6000-memory.dmpFilesize
152KB
-
memory/1224-47-0x00000000002A0000-0x00000000002C6000-memory.dmpFilesize
152KB
-
memory/1224-48-0x00000000002A0000-0x00000000002C6000-memory.dmpFilesize
152KB
-
memory/1224-52-0x00000000002A0000-0x00000000002C6000-memory.dmpFilesize
152KB
-
memory/1224-50-0x0000000000390000-0x0000000000391000-memory.dmpFilesize
4KB
-
memory/1224-49-0x00000000002A0000-0x00000000002C6000-memory.dmpFilesize
152KB
-
memory/1224-60-0x0000000000390000-0x0000000000391000-memory.dmpFilesize
4KB
-
memory/1224-8-0x00000000002A0000-0x00000000002F5000-memory.dmpFilesize
340KB
-
memory/1224-56-0x0000000000390000-0x0000000000391000-memory.dmpFilesize
4KB
-
memory/1224-58-0x0000000000390000-0x0000000000391000-memory.dmpFilesize
4KB
-
memory/1272-23-0x0000000001DD0000-0x0000000001DF6000-memory.dmpFilesize
152KB
-
memory/1272-14-0x0000000001DD0000-0x0000000001DF6000-memory.dmpFilesize
152KB
-
memory/1272-17-0x0000000001DD0000-0x0000000001DF6000-memory.dmpFilesize
152KB
-
memory/1272-19-0x0000000001DD0000-0x0000000001DF6000-memory.dmpFilesize
152KB
-
memory/1272-21-0x0000000001DD0000-0x0000000001DF6000-memory.dmpFilesize
152KB
-
memory/1380-29-0x0000000001BA0000-0x0000000001BC6000-memory.dmpFilesize
152KB
-
memory/1380-26-0x0000000001BA0000-0x0000000001BC6000-memory.dmpFilesize
152KB
-
memory/1380-28-0x0000000001BA0000-0x0000000001BC6000-memory.dmpFilesize
152KB
-
memory/1380-27-0x0000000001BA0000-0x0000000001BC6000-memory.dmpFilesize
152KB
-
memory/1416-33-0x00000000026B0000-0x00000000026D6000-memory.dmpFilesize
152KB
-
memory/1416-32-0x00000000026B0000-0x00000000026D6000-memory.dmpFilesize
152KB
-
memory/1416-34-0x00000000026B0000-0x00000000026D6000-memory.dmpFilesize
152KB
-
memory/1416-31-0x00000000026B0000-0x00000000026D6000-memory.dmpFilesize
152KB
-
memory/2100-11-0x0000000000400000-0x0000000000455000-memory.dmpFilesize
340KB
-
memory/2100-13-0x0000000000230000-0x0000000000241000-memory.dmpFilesize
68KB
-
memory/2100-193-0x0000000000400000-0x0000000000455000-memory.dmpFilesize
340KB
-
memory/2100-15-0x0000000000400000-0x0000000000455000-memory.dmpFilesize
340KB
-
memory/2100-194-0x0000000000230000-0x0000000000241000-memory.dmpFilesize
68KB
-
memory/2156-42-0x0000000000170000-0x0000000000196000-memory.dmpFilesize
152KB
-
memory/2156-40-0x0000000000170000-0x0000000000196000-memory.dmpFilesize
152KB
-
memory/2156-36-0x0000000000170000-0x0000000000196000-memory.dmpFilesize
152KB
-
memory/2156-38-0x0000000000170000-0x0000000000196000-memory.dmpFilesize
152KB