zgrat | 62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d

Analysis

max time kernel
146s
max time network
147s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
14-05-2024 16:18

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General

Target

62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d.exe
Size

439KB
MD5

1885cacfae37edb28b438588771fb03f
SHA1

b8b86b6ddc681a9333628f344875d9d33fee7185
SHA256

62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d
SHA512

afc2b931689f21c1b7770735f2292c2fa667b86123354d8409d264118e1908f22dddd58fc17545e9feaae786c2414133923c2170be879ff502398f87c556d57e
SSDEEP

6144:NZi9pP2JNMv8P4WyKNh6xzRnM3VVYijO9Wi7XMJRAc3ewc5n5:NZibPoKv6fNhEFMDBMWY3cu/5

Score

10^/10

zgrat persistence rat

Malware Config

Signatures

Detect ZGRat V1 34 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1688-2-0x0000000000D10000-0x0000000000DEC000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-4-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-5-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-7-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-9-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-11-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-15-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-19-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-21-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-23-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-25-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-27-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-17-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-13-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-39-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-53-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-64-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-29-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-51-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-67-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-65-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-61-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-59-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-57-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-55-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-49-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-47-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-45-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-43-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-41-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-37-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-35-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-33-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1688-31-0x0000000000D10000-0x0000000000DE7000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

powershell.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d = "C:\\Users\\Admin\\AppData\\Roaming\\62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d.exe"	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

7320 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1688 62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d.exe
Token: SeDebugPrivilege 7320 powershell.exe

pid	process
7320	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1688	62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d.exe
Token: SeDebugPrivilege	7320	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d.exe

description	pid	process	target process
PID 1688 wrote to memory of 7320	1688	62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d.exe	powershell.exe
PID 1688 wrote to memory of 7320	1688	62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d.exe	powershell.exe
PID 1688 wrote to memory of 7320	1688	62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d.exe
"C:\Users\Admin\AppData\Local\Temp\62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1688

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" Remove-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name '62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name '62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d' -Value '"C:\Users\Admin\AppData\Roaming\62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d.exe"' -PropertyType 'String'
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:7320

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1688-57-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-3-0x000007FEF5550000-0x000007FEF5F3C000-memory.dmp

Filesize
9.9MB

Download
memory/1688-2-0x0000000000D10000-0x0000000000DEC000-memory.dmp

Filesize
880KB

Download
memory/1688-0-0x000007FEF5553000-0x000007FEF5554000-memory.dmp

Filesize
4KB

Download
memory/1688-59-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-5-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-7-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-9-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-11-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-15-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-19-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-21-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-23-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-25-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-27-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-17-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-13-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-39-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-53-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-64-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-29-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-51-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-67-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-65-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-61-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-4-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-1-0x0000000001060000-0x00000000010D4000-memory.dmp

Filesize
464KB

Download
memory/1688-55-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-49-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-47-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-45-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-43-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-41-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-37-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-35-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-33-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-31-0x0000000000D10000-0x0000000000DE7000-memory.dmp

Filesize
860KB

Download
memory/1688-6318-0x000007FEF5550000-0x000007FEF5F3C000-memory.dmp

Filesize
9.9MB

Download
memory/1688-6333-0x000007FEF5553000-0x000007FEF5554000-memory.dmp

Filesize
4KB

Download
memory/1688-6334-0x000007FEF5550000-0x000007FEF5F3C000-memory.dmp

Filesize
9.9MB

Download
memory/1688-6335-0x000000001B040000-0x000000001B0C0000-memory.dmp

Filesize
512KB

Download
memory/1688-6336-0x000007FEF5550000-0x000007FEF5F3C000-memory.dmp

Filesize
9.9MB

Download
memory/1688-6337-0x000000001B040000-0x000000001B0C0000-memory.dmp

Filesize
512KB

Download
memory/7320-6323-0x000007FEEEFDE000-0x000007FEEEFDF000-memory.dmp

Filesize
4KB

Download
memory/7320-6324-0x000007FEEED20000-0x000007FEEF6BD000-memory.dmp

Filesize
9.6MB

Download
memory/7320-6325-0x000007FEEED20000-0x000007FEEF6BD000-memory.dmp

Filesize
9.6MB

Download
memory/7320-6326-0x000007FEEED20000-0x000007FEEF6BD000-memory.dmp

Filesize
9.6MB

Download
memory/7320-6327-0x000000001B6C0000-0x000000001B9A2000-memory.dmp

Filesize
2.9MB

Download
memory/7320-6328-0x000007FEEED20000-0x000007FEEF6BD000-memory.dmp

Filesize
9.6MB

Download
memory/7320-6329-0x0000000001FF0000-0x0000000001FF8000-memory.dmp

Filesize
32KB

Download
memory/7320-6330-0x000007FEEED20000-0x000007FEEF6BD000-memory.dmp

Filesize
9.6MB

Download
memory/7320-6331-0x000007FEEED20000-0x000007FEEF6BD000-memory.dmp

Filesize
9.6MB

Download