Analysis Overview
SHA256
eff3ee03b15bb4038d6a2a3acbfb91b064519f08f35fa36cdd83a641d6c43abb
Threat Level: Known bad
The file 73504cf8fa65991b2bccb9bf37199334 was found to be: Known bad.
Malicious Activity Summary
SmokeLoader
Executes dropped EXE
Loads dropped DLL
Deletes itself
Unsigned PE
Program crash
Suspicious use of FindShellTrayWindow
Uses Task Scheduler COM API
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious use of SendNotifyMessage
Checks SCSI registry key(s)
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-25 00:59
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-25 00:59
Reported
2024-01-25 01:01
Platform
win7-20231215-en
Max time kernel
150s
Max time network
124s
Command Line
Signatures
SmokeLoader
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\rjvtatc | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\73504cf8fa65991b2bccb9bf37199334.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Roaming\rjvtatc |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\73504cf8fa65991b2bccb9bf37199334.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\73504cf8fa65991b2bccb9bf37199334.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\73504cf8fa65991b2bccb9bf37199334.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\73504cf8fa65991b2bccb9bf37199334.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\73504cf8fa65991b2bccb9bf37199334.exe | N/A |
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Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\73504cf8fa65991b2bccb9bf37199334.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | N/A | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1912 wrote to memory of 1508 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\rjvtatc |
| PID 1912 wrote to memory of 1508 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\rjvtatc |
| PID 1912 wrote to memory of 1508 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\rjvtatc |
| PID 1912 wrote to memory of 1508 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\rjvtatc |
| PID 1508 wrote to memory of 2808 | N/A | C:\Users\Admin\AppData\Roaming\rjvtatc | C:\Windows\SysWOW64\WerFault.exe |
| PID 1508 wrote to memory of 2808 | N/A | C:\Users\Admin\AppData\Roaming\rjvtatc | C:\Windows\SysWOW64\WerFault.exe |
| PID 1508 wrote to memory of 2808 | N/A | C:\Users\Admin\AppData\Roaming\rjvtatc | C:\Windows\SysWOW64\WerFault.exe |
| PID 1508 wrote to memory of 2808 | N/A | C:\Users\Admin\AppData\Roaming\rjvtatc | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\73504cf8fa65991b2bccb9bf37199334.exe
"C:\Users\Admin\AppData\Local\Temp\73504cf8fa65991b2bccb9bf37199334.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {DC916690-660D-4B49-8B96-93626287B269} S-1-5-21-3818056530-936619650-3554021955-1000:SFVRQGEO\Admin:Interactive:[1]
C:\Users\Admin\AppData\Roaming\rjvtatc
C:\Users\Admin\AppData\Roaming\rjvtatc
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1508 -s 124
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | conceitosseg.com | udp |
| US | 8.8.8.8:53 | integrasidata.com | udp |
| SG | 172.104.187.4:80 | integrasidata.com | tcp |
| US | 8.8.8.8:53 | ozentekstil.com | udp |
| TR | 94.73.151.78:80 | ozentekstil.com | tcp |
| TR | 94.73.151.78:80 | ozentekstil.com | tcp |
| US | 8.8.8.8:53 | finbelportal.com | udp |
| US | 8.8.8.8:53 | telanganadigital.com | udp |
| US | 192.64.119.13:80 | telanganadigital.com | tcp |
| US | 8.8.8.8:53 | www.telanganadigital.com | udp |
| DE | 91.195.240.19:80 | www.telanganadigital.com | tcp |
Files
memory/2168-4-0x0000000002DC0000-0x0000000002EC0000-memory.dmp
memory/2168-5-0x0000000000220000-0x0000000000229000-memory.dmp
\Users\Admin\AppData\Local\Temp\CC4F.tmp
| MD5 | d124f55b9393c976963407dff51ffa79 |
| SHA1 | 2c7bbedd79791bfb866898c85b504186db610b5d |
| SHA256 | ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef |
| SHA512 | 278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06 |
memory/2168-6-0x0000000000400000-0x0000000002C75000-memory.dmp
memory/2168-8-0x0000000000400000-0x0000000002C75000-memory.dmp
memory/1072-7-0x0000000002E30000-0x0000000002E45000-memory.dmp
C:\Users\Admin\AppData\Roaming\rjvtatc
| MD5 | 73504cf8fa65991b2bccb9bf37199334 |
| SHA1 | b052a3250a3c67c52ece74fd81fe624e446b4718 |
| SHA256 | eff3ee03b15bb4038d6a2a3acbfb91b064519f08f35fa36cdd83a641d6c43abb |
| SHA512 | bbba7ce2aed7784ee586732630a5574e499d9d1ab08cacfa35ef6794e5465e323cc3e76c8cca2596787dc69b032417285cf9328a70abb937290e3e0c90d5da14 |
memory/1508-18-0x0000000000250000-0x0000000000350000-memory.dmp
memory/1508-19-0x0000000000400000-0x0000000002C75000-memory.dmp
memory/1508-27-0x0000000000250000-0x0000000000350000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-25 00:59
Reported
2024-01-25 01:01
Platform
win10v2004-20231215-en
Max time kernel
150s
Max time network
122s
Command Line
Signatures
SmokeLoader
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\ruaagtt | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\73504cf8fa65991b2bccb9bf37199334.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\ruaagtt | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\73504cf8fa65991b2bccb9bf37199334.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Roaming\ruaagtt |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\73504cf8fa65991b2bccb9bf37199334.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\73504cf8fa65991b2bccb9bf37199334.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\73504cf8fa65991b2bccb9bf37199334.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\ruaagtt | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\ruaagtt | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\ruaagtt | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\73504cf8fa65991b2bccb9bf37199334.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\73504cf8fa65991b2bccb9bf37199334.exe | N/A |
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Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\73504cf8fa65991b2bccb9bf37199334.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\ruaagtt | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | N/A | N/A |
| Token: SeCreatePagefilePrivilege | N/A | N/A | N/A |
| Token: SeShutdownPrivilege | N/A | N/A | N/A |
| Token: SeCreatePagefilePrivilege | N/A | N/A | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\73504cf8fa65991b2bccb9bf37199334.exe
"C:\Users\Admin\AppData\Local\Temp\73504cf8fa65991b2bccb9bf37199334.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 116 -ip 116
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 116 -s 392
C:\Users\Admin\AppData\Roaming\ruaagtt
C:\Users\Admin\AppData\Roaming\ruaagtt
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1980 -ip 1980
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1980 -s 392
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | conceitosseg.com | udp |
| US | 8.8.8.8:53 | integrasidata.com | udp |
| SG | 172.104.187.4:80 | integrasidata.com | tcp |
| US | 8.8.8.8:53 | ozentekstil.com | udp |
| TR | 94.73.151.78:80 | ozentekstil.com | tcp |
| TR | 94.73.151.78:80 | ozentekstil.com | tcp |
| US | 8.8.8.8:53 | 4.187.104.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | finbelportal.com | udp |
| US | 8.8.8.8:53 | telanganadigital.com | udp |
| US | 192.64.119.13:80 | telanganadigital.com | tcp |
| US | 8.8.8.8:53 | www.telanganadigital.com | udp |
| DE | 91.195.240.19:80 | www.telanganadigital.com | tcp |
| US | 8.8.8.8:53 | 78.151.73.94.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.240.195.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.119.64.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
Files
memory/116-2-0x00000000049C0000-0x00000000049C9000-memory.dmp
memory/116-1-0x0000000002E70000-0x0000000002F70000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\CC4F.tmp
| MD5 | 4f3387277ccbd6d1f21ac5c07fe4ca68 |
| SHA1 | e16506f662dc92023bf82def1d621497c8ab5890 |
| SHA256 | 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac |
| SHA512 | 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219 |
memory/116-7-0x0000000000400000-0x0000000002C75000-memory.dmp
memory/2976-8-0x0000000002770000-0x0000000002785000-memory.dmp
memory/116-11-0x0000000000400000-0x0000000002C75000-memory.dmp
C:\Users\Admin\AppData\Roaming\ruaagtt
| MD5 | 73504cf8fa65991b2bccb9bf37199334 |
| SHA1 | b052a3250a3c67c52ece74fd81fe624e446b4718 |
| SHA256 | eff3ee03b15bb4038d6a2a3acbfb91b064519f08f35fa36cdd83a641d6c43abb |
| SHA512 | bbba7ce2aed7784ee586732630a5574e499d9d1ab08cacfa35ef6794e5465e323cc3e76c8cca2596787dc69b032417285cf9328a70abb937290e3e0c90d5da14 |
memory/1980-20-0x0000000002EE0000-0x0000000002FE0000-memory.dmp
memory/1980-24-0x0000000000400000-0x0000000002C75000-memory.dmp
memory/2976-25-0x0000000002680000-0x0000000002695000-memory.dmp
memory/1980-28-0x0000000000400000-0x0000000002C75000-memory.dmp