Analysis Overview
SHA256
a7f605d4110bba430e02c7c5240e656fb3f1dd7f02dce985e9e5677169c9de55
Threat Level: Known bad
The file tmp was found to be: Known bad.
Malicious Activity Summary
PureLog Stealer
PureLog Stealer payload
SmokeLoader
Executes dropped EXE
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Uses Task Scheduler COM API
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of UnmapMainImage
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Checks SCSI registry key(s)
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-14 11:38
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-14 11:38
Reported
2024-03-14 11:41
Platform
win7-20240221-en
Max time kernel
150s
Max time network
122s
Command Line
Signatures
PureLog Stealer
PureLog Stealer payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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SmokeLoader
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\ctrrjuc | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\SOCKET5 = "C:\\Users\\Admin\\AppData\\Roaming\\SOCKET5.exe" | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2960 set thread context of 2524 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
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Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\system32\taskeng.exe
taskeng.exe {2F09EC9D-644E-471E-8DD9-E99ABEA9AE1F} S-1-5-21-3452737119-3959686427-228443150-1000:QGTQZTRE\Admin:Interactive:[1]
C:\Users\Admin\AppData\Roaming\ctrrjuc
C:\Users\Admin\AppData\Roaming\ctrrjuc
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | glueberry-og.cc | udp |
| NL | 91.92.243.239:80 | glueberry-og.cc | tcp |
| US | 8.8.8.8:53 | glueberry-og.co | udp |
| NL | 91.92.243.239:80 | glueberry-og.co | tcp |
| US | 8.8.8.8:53 | glueberry-og.to | udp |
| NL | 91.92.243.239:80 | glueberry-og.to | tcp |
Files
memory/2960-0-0x00000000008F0000-0x000000000093E000-memory.dmp
memory/2960-1-0x0000000074AD0000-0x00000000751BE000-memory.dmp
memory/2960-2-0x00000000020F0000-0x000000000213A000-memory.dmp
memory/2960-3-0x00000000005A0000-0x00000000005E0000-memory.dmp
memory/2960-4-0x0000000000480000-0x00000000004B2000-memory.dmp
memory/2960-5-0x0000000000570000-0x00000000005A2000-memory.dmp
memory/2960-6-0x00000000049B0000-0x00000000049FC000-memory.dmp
memory/2524-8-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2524-10-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2524-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2524-13-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2960-14-0x0000000074AD0000-0x00000000751BE000-memory.dmp
memory/1200-15-0x0000000002CE0000-0x0000000002CF6000-memory.dmp
C:\Users\Admin\AppData\Roaming\ctrrjuc
| MD5 | b58b926c3574d28d5b7fdd2ca3ec30d5 |
| SHA1 | d260c4ffd603a9cfc057fcb83d678b1cecdf86f9 |
| SHA256 | 6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3 |
| SHA512 | b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab |
memory/2720-23-0x0000000000180000-0x0000000000192000-memory.dmp
memory/2720-24-0x0000000074B10000-0x00000000751FE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-14 11:38
Reported
2024-03-14 11:41
Platform
win10v2004-20240226-en
Max time kernel
155s
Max time network
151s
Command Line
Signatures
PureLog Stealer
PureLog Stealer payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
SmokeLoader
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\fjtuvrj | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SOCKET5 = "C:\\Users\\Admin\\AppData\\Roaming\\SOCKET5.exe" | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1956 set thread context of 1252 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
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Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | 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 |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4168 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
C:\Users\Admin\AppData\Roaming\fjtuvrj
C:\Users\Admin\AppData\Roaming\fjtuvrj
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 1.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 193.78.101.95.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 | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | glueberry-og.cc | udp |
| NL | 91.92.243.239:80 | glueberry-og.cc | tcp |
| US | 8.8.8.8:53 | glueberry-og.co | udp |
| NL | 91.92.243.239:80 | glueberry-og.co | tcp |
| US | 8.8.8.8:53 | glueberry-og.to | udp |
| NL | 91.92.243.239:80 | glueberry-og.to | tcp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.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 | 8.8.8.8:53 | 201.64.52.20.in-addr.arpa | udp |
Files
memory/1956-0-0x00000000744B0000-0x0000000074C60000-memory.dmp
memory/1956-1-0x00000000008C0000-0x000000000090E000-memory.dmp
memory/1956-2-0x00000000057F0000-0x0000000005D94000-memory.dmp
memory/1956-3-0x0000000002C20000-0x0000000002C30000-memory.dmp
memory/1956-4-0x0000000005FD0000-0x000000000601A000-memory.dmp
memory/1956-5-0x0000000006020000-0x0000000006052000-memory.dmp
memory/1956-6-0x0000000005DB0000-0x0000000005DE2000-memory.dmp
memory/1956-7-0x0000000006050000-0x000000000609C000-memory.dmp
memory/1956-8-0x0000000006190000-0x0000000006222000-memory.dmp
memory/1956-9-0x0000000006230000-0x0000000006296000-memory.dmp
memory/1252-11-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1252-13-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1956-14-0x00000000744B0000-0x0000000074C60000-memory.dmp
memory/1252-17-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3164-15-0x00000000023A0000-0x00000000023B6000-memory.dmp
C:\Users\Admin\AppData\Roaming\fjtuvrj
| MD5 | 0d5df43af2916f47d00c1573797c1a13 |
| SHA1 | 230ab5559e806574d26b4c20847c368ed55483b0 |
| SHA256 | c066aee7aa3aa83f763ebc5541daa266ed6c648fbffcde0d836a13b221bb2adc |
| SHA512 | f96cf9e1890746b12daf839a6d0f16f062b72c1b8a40439f96583f242980f10f867720232a6fa0f7d4d7ac0a7a6143981a5a130d6417ea98b181447134c7cfe2 |
memory/3332-25-0x0000000000510000-0x0000000000522000-memory.dmp
memory/3332-26-0x0000000074550000-0x0000000074D00000-memory.dmp
memory/3332-28-0x0000000074550000-0x0000000074D00000-memory.dmp