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
Suspicious use of SetThreadContext
Drops file in System32 directory
Unsigned PE
Uses Task Scheduler COM API
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-09 10:11
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-09 10:11
Reported
2024-05-09 10:13
Platform
win7-20240221-en
Max time kernel
134s
Max time network
143s
Command Line
Signatures
Detect ZGRat V1
| Description | Indicator | Process | Target |
| 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 2740 set thread context of 1440 | N/A | C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.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\MSBuild.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 {B46B52EC-222A-4632-ADB3-249E2E29D939} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\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 {A1AE8ACD-74F8-44AD-9589-E3C0867B9300} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\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\MSBuild.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.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/2084-0-0x000007FEF5F83000-0x000007FEF5F84000-memory.dmp
memory/2084-1-0x000000013F540000-0x000000013F5E2000-memory.dmp
memory/2084-2-0x000000001B290000-0x000000001B394000-memory.dmp
memory/2084-3-0x000007FEF5F80000-0x000007FEF696C000-memory.dmp
memory/2084-4-0x0000000000640000-0x0000000000696000-memory.dmp
memory/2084-5-0x0000000000720000-0x000000000076C000-memory.dmp
memory/2084-6-0x0000000002280000-0x00000000022D4000-memory.dmp
memory/2440-11-0x0000000001A70000-0x0000000001AF0000-memory.dmp
memory/2440-12-0x000000001A340000-0x000000001A622000-memory.dmp
memory/2440-13-0x0000000000AD0000-0x0000000000AD8000-memory.dmp
memory/2084-16-0x000007FEF5F80000-0x000007FEF696C000-memory.dmp
\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe
| MD5 | 9ffcbf13ec0d927ab745589c64dba569 |
| SHA1 | 74e9aa1a9225f2acc5ee4aa86993970d3d6df5a8 |
| SHA256 | dfba4d1c63cb8b9e426b04fa2b048bfe4554de13e7ce1c2c5e665cc708a23d09 |
| SHA512 | cb695ca80b70b6b09af9a43d13363aab86186ca0c44d1f324dfb4bb2d978873cde900efc87b4db0ff2b9d0a321b626a1de97c31a995f5c4e437b16ad3f96ae25 |
memory/2740-21-0x000000013F890000-0x000000013F932000-memory.dmp
memory/1440-22-0x0000000140000000-0x00000001400A2000-memory.dmp
memory/1440-26-0x0000000140000000-0x00000001400A2000-memory.dmp
memory/1440-24-0x0000000140000000-0x00000001400A2000-memory.dmp
memory/1440-28-0x000007FFFFFDB000-0x000007FFFFFDC000-memory.dmp
memory/1440-29-0x0000000140000000-0x00000001400A2000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-09 10:11
Reported
2024-05-09 10:13
Platform
win10v2004-20240508-en
Max time kernel
141s
Max time network
149s
Command Line
Signatures
Detect ZGRat V1
| Description | Indicator | Process | Target |
| 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 1060 set thread context of 1952 | 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 1060 wrote to memory of 1952 | N/A | C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe |
| PID 1060 wrote to memory of 1952 | N/A | C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe |
| PID 1060 wrote to memory of 1952 | N/A | C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe |
| PID 1060 wrote to memory of 1952 | N/A | C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe |
| PID 1060 wrote to memory of 1952 | N/A | C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe |
| PID 1060 wrote to memory of 1952 | 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 |
| NL | 91.92.253.28:39001 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| NL | 91.92.253.28:39002 | tcp | |
| NL | 91.92.253.28:39003 | tcp | |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| NL | 91.92.253.28:39001 | tcp | |
| NL | 91.92.253.28:39002 | tcp |
Files
memory/1076-0-0x000001612D5C0000-0x000001612D662000-memory.dmp
memory/1076-1-0x00007FFE23A13000-0x00007FFE23A15000-memory.dmp
memory/1076-2-0x0000016147A60000-0x0000016147B64000-memory.dmp
memory/1076-3-0x00007FFE23A10000-0x00007FFE244D1000-memory.dmp
memory/1076-4-0x000001612DA10000-0x000001612DA66000-memory.dmp
memory/1076-5-0x0000016147B60000-0x0000016147BAC000-memory.dmp
memory/1076-6-0x0000016147D30000-0x0000016147D84000-memory.dmp
memory/2512-7-0x00007FFE23A10000-0x00007FFE244D1000-memory.dmp
memory/2512-8-0x00007FFE23A10000-0x00007FFE244D1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_te10vl4p.k2c.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/2512-18-0x0000027FB31C0000-0x0000027FB31E2000-memory.dmp
memory/2512-20-0x00007FFE23A10000-0x00007FFE244D1000-memory.dmp
memory/1076-24-0x00007FFE23A10000-0x00007FFE244D1000-memory.dmp
C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe
| MD5 | 9ffcbf13ec0d927ab745589c64dba569 |
| SHA1 | 74e9aa1a9225f2acc5ee4aa86993970d3d6df5a8 |
| SHA256 | dfba4d1c63cb8b9e426b04fa2b048bfe4554de13e7ce1c2c5e665cc708a23d09 |
| SHA512 | cb695ca80b70b6b09af9a43d13363aab86186ca0c44d1f324dfb4bb2d978873cde900efc87b4db0ff2b9d0a321b626a1de97c31a995f5c4e437b16ad3f96ae25 |
memory/1060-27-0x00007FFE23A10000-0x00007FFE244D1000-memory.dmp
memory/1060-30-0x00007FFE23A10000-0x00007FFE244D1000-memory.dmp