Analysis Overview
SHA256
dfba4d1c63cb8b9e426b04fa2b048bfe4554de13e7ce1c2c5e665cc708a23d09
Threat Level: Known bad
The file dfba4d1c63cb8b9e426b04fa2b048bfe4554de13e7ce1c2c5e665cc708a23d09.exe was found to be: Known bad.
Malicious Activity Summary
Detect ZGRat V1
ZGRat
Command and Scripting Interpreter: PowerShell
Loads dropped DLL
Executes dropped EXE
Drops file in System32 directory
Suspicious use of SetThreadContext
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-09 02:08
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-09 02:08
Reported
2024-05-09 02:10
Platform
win7-20231129-en
Max time kernel
138s
Max time network
148s
Command Line
Signatures
Detect ZGRat V1
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
ZGRat
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\taskeng.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2744 set thread context of 1904 | N/A | C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_compiler.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\dfba4d1c63cb8b9e426b04fa2b048bfe4554de13e7ce1c2c5e665cc708a23d09.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_compiler.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\dfba4d1c63cb8b9e426b04fa2b048bfe4554de13e7ce1c2c5e665cc708a23d09.exe
"C:\Users\Admin\AppData\Local\Temp\dfba4d1c63cb8b9e426b04fa2b048bfe4554de13e7ce1c2c5e665cc708a23d09.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {8D6E645B-684A-457D-AE69-B32812BC78B0} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\Admin:S4U:
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc 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
C:\Windows\system32\taskeng.exe
taskeng.exe {0A74305F-B407-4E5B-9B8C-97AB6F87CA53} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\Admin:Interactive:[1]
C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe
C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_compiler.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_compiler.exe
Network
| Country | Destination | Domain | Proto |
| NL | 91.92.253.28:39001 | tcp | |
| NL | 91.92.253.28:39002 | tcp | |
| NL | 91.92.253.28:39003 | tcp | |
| NL | 91.92.253.28:39001 | tcp | |
| NL | 91.92.253.28:39002 | tcp |
Files
memory/2352-0-0x000007FEF5DD3000-0x000007FEF5DD4000-memory.dmp
memory/2352-1-0x000000013FA40000-0x000000013FAE2000-memory.dmp
memory/2352-2-0x000000001B1E0000-0x000000001B2E4000-memory.dmp
memory/2352-3-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp
memory/2352-4-0x00000000021E0000-0x0000000002236000-memory.dmp
memory/2352-5-0x0000000000950000-0x000000000099C000-memory.dmp
memory/2352-6-0x00000000023E0000-0x0000000002434000-memory.dmp
memory/2604-11-0x00000000019B0000-0x0000000001A30000-memory.dmp
memory/2604-12-0x000000001A2F0000-0x000000001A5D2000-memory.dmp
memory/2604-13-0x0000000000A20000-0x0000000000A28000-memory.dmp
memory/2352-16-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp
\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe
| MD5 | 9ffcbf13ec0d927ab745589c64dba569 |
| SHA1 | 74e9aa1a9225f2acc5ee4aa86993970d3d6df5a8 |
| SHA256 | dfba4d1c63cb8b9e426b04fa2b048bfe4554de13e7ce1c2c5e665cc708a23d09 |
| SHA512 | cb695ca80b70b6b09af9a43d13363aab86186ca0c44d1f324dfb4bb2d978873cde900efc87b4db0ff2b9d0a321b626a1de97c31a995f5c4e437b16ad3f96ae25 |
memory/2744-21-0x000000013F1E0000-0x000000013F282000-memory.dmp
memory/2744-22-0x0000000000A80000-0x0000000000AD4000-memory.dmp
memory/1904-23-0x0000000140000000-0x00000001400A2000-memory.dmp
memory/1904-25-0x0000000140000000-0x00000001400A2000-memory.dmp
memory/1904-27-0x0000000140000000-0x00000001400A2000-memory.dmp
memory/1904-29-0x000007FFFFFDE000-0x000007FFFFFDF000-memory.dmp
memory/1904-30-0x0000000140000000-0x00000001400A2000-memory.dmp
memory/1904-32-0x000000001B8C0000-0x000000001B9C4000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-09 02:08
Reported
2024-05-09 02:10
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Detect ZGRat V1
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
ZGRat
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1668 set thread context of 5056 | N/A | C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\dfba4d1c63cb8b9e426b04fa2b048bfe4554de13e7ce1c2c5e665cc708a23d09.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1668 wrote to memory of 5056 | N/A | C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe |
| PID 1668 wrote to memory of 5056 | N/A | C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe |
| PID 1668 wrote to memory of 5056 | N/A | C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe |
| PID 1668 wrote to memory of 5056 | N/A | C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe |
| PID 1668 wrote to memory of 5056 | N/A | C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe |
| PID 1668 wrote to memory of 5056 | N/A | C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\dfba4d1c63cb8b9e426b04fa2b048bfe4554de13e7ce1c2c5e665cc708a23d09.exe
"C:\Users\Admin\AppData\Local\Temp\dfba4d1c63cb8b9e426b04fa2b048bfe4554de13e7ce1c2c5e665cc708a23d09.exe"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc 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
C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe
C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| NL | 91.92.253.28:39001 | tcp | |
| NL | 91.92.253.28:39002 | tcp | |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| NL | 91.92.253.28:39003 | tcp | |
| NL | 91.92.253.28:39001 | tcp | |
| NL | 91.92.253.28:39002 | tcp | |
| US | 8.8.8.8:53 | 209.143.182.52.in-addr.arpa | udp |
Files
memory/4048-0-0x0000018920EB0000-0x0000018920F52000-memory.dmp
memory/4048-1-0x00007FFF10A13000-0x00007FFF10A15000-memory.dmp
memory/4048-2-0x000001893B3F0000-0x000001893B4F4000-memory.dmp
memory/4048-3-0x00007FFF10A10000-0x00007FFF114D1000-memory.dmp
memory/4048-5-0x0000018922BB0000-0x0000018922BFC000-memory.dmp
memory/4048-4-0x0000018922B20000-0x0000018922B76000-memory.dmp
memory/4048-6-0x000001893B500000-0x000001893B554000-memory.dmp
memory/4612-7-0x00007FFF10A10000-0x00007FFF114D1000-memory.dmp
memory/4612-8-0x00007FFF10A10000-0x00007FFF114D1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_43tbxfk5.kia.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4612-18-0x000001C075D00000-0x000001C075D22000-memory.dmp
memory/4612-20-0x00007FFF10A10000-0x00007FFF114D1000-memory.dmp
memory/4048-24-0x00007FFF10A10000-0x00007FFF114D1000-memory.dmp
C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe
| MD5 | 9ffcbf13ec0d927ab745589c64dba569 |
| SHA1 | 74e9aa1a9225f2acc5ee4aa86993970d3d6df5a8 |
| SHA256 | dfba4d1c63cb8b9e426b04fa2b048bfe4554de13e7ce1c2c5e665cc708a23d09 |
| SHA512 | cb695ca80b70b6b09af9a43d13363aab86186ca0c44d1f324dfb4bb2d978873cde900efc87b4db0ff2b9d0a321b626a1de97c31a995f5c4e437b16ad3f96ae25 |
memory/1668-27-0x00007FFF10A10000-0x00007FFF114D1000-memory.dmp
memory/5056-30-0x000001C5FDF10000-0x000001C5FE014000-memory.dmp
memory/1668-31-0x00007FFF10A10000-0x00007FFF114D1000-memory.dmp