Analysis Overview
SHA256
22c6fdb094ba390209a23d251ba9401bc95856ab3daa93862ee9d8943bd918e8
Threat Level: Known bad
The file 22c6fdb094ba390209a23d251ba9401bc95856ab3daa93862ee9d8943bd918e8 was found to be: Known bad.
Malicious Activity Summary
SmokeLoader
Deletes itself
Executes dropped EXE
Unsigned PE
Suspicious behavior: MapViewOfSection
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-15 06:49
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-15 06:49
Reported
2024-03-15 06:51
Platform
win7-20240221-en
Max time kernel
150s
Max time network
119s
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\gvuhrau | N/A |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\22c6fdb094ba390209a23d251ba9401bc95856ab3daa93862ee9d8943bd918e8.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\22c6fdb094ba390209a23d251ba9401bc95856ab3daa93862ee9d8943bd918e8.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\22c6fdb094ba390209a23d251ba9401bc95856ab3daa93862ee9d8943bd918e8.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\gvuhrau | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\gvuhrau | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\gvuhrau | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\22c6fdb094ba390209a23d251ba9401bc95856ab3daa93862ee9d8943bd918e8.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\22c6fdb094ba390209a23d251ba9401bc95856ab3daa93862ee9d8943bd918e8.exe | N/A |
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Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\22c6fdb094ba390209a23d251ba9401bc95856ab3daa93862ee9d8943bd918e8.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\gvuhrau | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2512 wrote to memory of 2540 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\gvuhrau |
| PID 2512 wrote to memory of 2540 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\gvuhrau |
| PID 2512 wrote to memory of 2540 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\gvuhrau |
| PID 2512 wrote to memory of 2540 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\gvuhrau |
Processes
C:\Users\Admin\AppData\Local\Temp\22c6fdb094ba390209a23d251ba9401bc95856ab3daa93862ee9d8943bd918e8.exe
"C:\Users\Admin\AppData\Local\Temp\22c6fdb094ba390209a23d251ba9401bc95856ab3daa93862ee9d8943bd918e8.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {E6ACE893-B59E-4BFB-8172-834C11554A09} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
C:\Users\Admin\AppData\Roaming\gvuhrau
C:\Users\Admin\AppData\Roaming\gvuhrau
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | nidoe.org | udp |
| HN | 138.204.181.135:80 | nidoe.org | tcp |
| HN | 138.204.181.135:80 | nidoe.org | tcp |
| HN | 138.204.181.135:80 | nidoe.org | tcp |
| HN | 138.204.181.135:80 | nidoe.org | tcp |
| HN | 138.204.181.135:80 | nidoe.org | tcp |
| HN | 138.204.181.135:80 | nidoe.org | tcp |
| HN | 138.204.181.135:80 | nidoe.org | tcp |
| HN | 138.204.181.135:80 | nidoe.org | tcp |
| HN | 138.204.181.135:80 | nidoe.org | tcp |
| HN | 138.204.181.135:80 | nidoe.org | tcp |
Files
memory/2276-1-0x00000000005E0000-0x00000000006E0000-memory.dmp
memory/2276-2-0x0000000000220000-0x000000000022B000-memory.dmp
memory/2276-3-0x0000000000400000-0x0000000000447000-memory.dmp
memory/2276-5-0x0000000000400000-0x0000000000447000-memory.dmp
memory/1148-4-0x0000000002570000-0x0000000002586000-memory.dmp
C:\Users\Admin\AppData\Roaming\gvuhrau
| MD5 | 33e291746ffb898efc8aa17d1773ce55 |
| SHA1 | d8b7e9845e0b9b49c84741c75870242a5e1b0613 |
| SHA256 | 22c6fdb094ba390209a23d251ba9401bc95856ab3daa93862ee9d8943bd918e8 |
| SHA512 | 2d2a84089712532ccfa7efe8de2e6ee2de37d6e2dd9da85eb982e35cfd8a14a84f3dd88b1b2bd87c98764ac97d2a1e76cae514ff00ad7ac383946151b9087f3e |
memory/2540-14-0x0000000000890000-0x0000000000990000-memory.dmp
memory/2540-15-0x0000000000400000-0x0000000000447000-memory.dmp
memory/1148-16-0x0000000002E40000-0x0000000002E56000-memory.dmp
memory/2540-19-0x0000000000400000-0x0000000000447000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-15 06:49
Reported
2024-03-15 06:51
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
151s
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\btcusju | N/A |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\btcusju | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\btcusju | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\btcusju | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\22c6fdb094ba390209a23d251ba9401bc95856ab3daa93862ee9d8943bd918e8.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\22c6fdb094ba390209a23d251ba9401bc95856ab3daa93862ee9d8943bd918e8.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\22c6fdb094ba390209a23d251ba9401bc95856ab3daa93862ee9d8943bd918e8.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ | N/A | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ | N/A | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\22c6fdb094ba390209a23d251ba9401bc95856ab3daa93862ee9d8943bd918e8.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\22c6fdb094ba390209a23d251ba9401bc95856ab3daa93862ee9d8943bd918e8.exe | N/A |
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Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\22c6fdb094ba390209a23d251ba9401bc95856ab3daa93862ee9d8943bd918e8.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\btcusju | 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 |
| 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 |
| 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\22c6fdb094ba390209a23d251ba9401bc95856ab3daa93862ee9d8943bd918e8.exe
"C:\Users\Admin\AppData\Local\Temp\22c6fdb094ba390209a23d251ba9401bc95856ab3daa93862ee9d8943bd918e8.exe"
C:\Users\Admin\AppData\Roaming\btcusju
C:\Users\Admin\AppData\Roaming\btcusju
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 176.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | nidoe.org | udp |
| AR | 190.224.203.37:80 | nidoe.org | tcp |
| US | 8.8.8.8:53 | 37.203.224.190.in-addr.arpa | udp |
| AR | 190.224.203.37:80 | nidoe.org | tcp |
| AR | 190.224.203.37:80 | nidoe.org | tcp |
| AR | 190.224.203.37:80 | nidoe.org | tcp |
| AR | 190.224.203.37:80 | nidoe.org | tcp |
| AR | 190.224.203.37:80 | nidoe.org | tcp |
| AR | 190.224.203.37:80 | nidoe.org | tcp |
| AR | 190.224.203.37:80 | nidoe.org | tcp |
| AR | 190.224.203.37:80 | nidoe.org | tcp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| AR | 190.224.203.37:80 | nidoe.org | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| GB | 96.17.178.176:80 | tcp | |
| US | 8.8.8.8:53 | udp |
Files
memory/1520-1-0x00000000005C0000-0x00000000006C0000-memory.dmp
memory/1520-2-0x00000000005B0000-0x00000000005BB000-memory.dmp
memory/1520-3-0x0000000000400000-0x0000000000447000-memory.dmp
memory/3472-4-0x0000000002D50000-0x0000000002D66000-memory.dmp
memory/1520-5-0x0000000000400000-0x0000000000447000-memory.dmp
C:\Users\Admin\AppData\Roaming\btcusju
| MD5 | 33e291746ffb898efc8aa17d1773ce55 |
| SHA1 | d8b7e9845e0b9b49c84741c75870242a5e1b0613 |
| SHA256 | 22c6fdb094ba390209a23d251ba9401bc95856ab3daa93862ee9d8943bd918e8 |
| SHA512 | 2d2a84089712532ccfa7efe8de2e6ee2de37d6e2dd9da85eb982e35cfd8a14a84f3dd88b1b2bd87c98764ac97d2a1e76cae514ff00ad7ac383946151b9087f3e |
memory/2900-14-0x0000000000730000-0x0000000000830000-memory.dmp
memory/2900-15-0x0000000000400000-0x0000000000447000-memory.dmp
memory/3472-16-0x0000000001020000-0x0000000001036000-memory.dmp
memory/2900-17-0x0000000000400000-0x0000000000447000-memory.dmp