zgrat | ebb20ee3f9c28aa7e7a1fe1cdc8371c56a17f2f17bf8d98139fea30915e2be0f

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
20/11/2023, 06:35

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General

Target

ebb20ee3f9c28aa7e7a1fe1cdc8371c56a17f2f17bf8d98139fea30915e2be0f.exe
Size

499KB
MD5

68392cd3b6d0900a123e3c474737a068
SHA1

dcf1be955e9c6edc2e840b801173e900fad0bfff
SHA256

ebb20ee3f9c28aa7e7a1fe1cdc8371c56a17f2f17bf8d98139fea30915e2be0f
SHA512

5a1c7c5acccc4fe9488a5b9d87decd1c3986ca5c2a00c2815ad3486a736a6cc4d0a94481375d21f3b60753d7f6b8726b5e3e79e2beb7846963244fa0077d1a07
SSDEEP

12288:sqDRPOurL2/zntKd8TeaqZiKi4ZZTbnTCWSuEfDSjEITXEbbkVKB:PDRP5P2/zMaqZiKdTIuy4obbkVKB

Score

10^/10

zgrat persistence rat

Malware Config

Signatures

Detect ZGRat V1 32 IoCs

resource	yara_rule
behavioral1/memory/776-7-0x0000000004C40000-0x0000000004D14000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-8-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-9-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-11-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-13-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-15-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-17-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-19-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-21-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-23-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-25-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-27-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-29-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-31-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-33-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-35-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-37-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-39-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-41-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-43-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-45-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-47-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-49-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-51-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-53-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-55-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-57-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-59-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-61-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-63-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-65-0x0000000004C40000-0x0000000004D0F000-memory.dmp	family_zgrat_v1
behavioral1/memory/776-67-0x0000000004C40000-0x0000000004D0F000-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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ebb20ee3f9c28aa7e7a1fe1cdc8371c56a17f2f17bf8d98139fea30915e2be0f = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ebb20ee3f9c28aa7e7a1fe1cdc8371c56a17f2f17bf8d98139fea30915e2be0f.exe"	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2956	powershell.exe
2956	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	776	ebb20ee3f9c28aa7e7a1fe1cdc8371c56a17f2f17bf8d98139fea30915e2be0f.exe
Token: SeDebugPrivilege	2956	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 776 wrote to memory of 2956	776	ebb20ee3f9c28aa7e7a1fe1cdc8371c56a17f2f17bf8d98139fea30915e2be0f.exe	92
PID 776 wrote to memory of 2956	776	ebb20ee3f9c28aa7e7a1fe1cdc8371c56a17f2f17bf8d98139fea30915e2be0f.exe	92
PID 776 wrote to memory of 2956	776	ebb20ee3f9c28aa7e7a1fe1cdc8371c56a17f2f17bf8d98139fea30915e2be0f.exe	92

C:\Users\Admin\AppData\Local\Temp\ebb20ee3f9c28aa7e7a1fe1cdc8371c56a17f2f17bf8d98139fea30915e2be0f.exe
"C:\Users\Admin\AppData\Local\Temp\ebb20ee3f9c28aa7e7a1fe1cdc8371c56a17f2f17bf8d98139fea30915e2be0f.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:776
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Remove-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'ebb20ee3f9c28aa7e7a1fe1cdc8371c56a17f2f17bf8d98139fea30915e2be0f';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'ebb20ee3f9c28aa7e7a1fe1cdc8371c56a17f2f17bf8d98139fea30915e2be0f' -Value '"C:\Users\Admin\AppData\Local\Temp\ebb20ee3f9c28aa7e7a1fe1cdc8371c56a17f2f17bf8d98139fea30915e2be0f.exe"' -PropertyType 'String'
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2956

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_owzhvnga.bah.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/776-0-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/776-1-0x0000000000550000-0x00000000005C0000-memory.dmp

Filesize
448KB

Download
memory/776-5-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/776-6-0x0000000004C30000-0x0000000004C40000-memory.dmp

Filesize
64KB

Download
memory/776-7-0x0000000004C40000-0x0000000004D14000-memory.dmp

Filesize
848KB

Download
memory/776-8-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-9-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-11-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-13-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-15-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-17-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-19-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-21-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-23-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-25-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-27-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-29-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-31-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-33-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-35-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-37-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-39-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-41-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-43-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-45-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-47-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-49-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-51-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-53-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-55-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-57-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-59-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-61-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-63-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-65-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-67-0x0000000004C40000-0x0000000004D0F000-memory.dmp

Filesize
828KB

Download
memory/776-4475-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/776-5050-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/776-5544-0x0000000004C30000-0x0000000004C40000-memory.dmp

Filesize
64KB

Download
memory/776-6089-0x0000000004B90000-0x0000000004BF6000-memory.dmp

Filesize
408KB

Download
memory/2956-6090-0x0000000002BC0000-0x0000000002BF6000-memory.dmp

Filesize
216KB

Download
memory/2956-6091-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/2956-6092-0x0000000002BB0000-0x0000000002BC0000-memory.dmp

Filesize
64KB

Download
memory/2956-6093-0x0000000005660000-0x0000000005C88000-memory.dmp

Filesize
6.2MB

Download
memory/2956-6094-0x0000000005610000-0x0000000005632000-memory.dmp

Filesize
136KB

Download
memory/2956-6095-0x0000000005DC0000-0x0000000005E26000-memory.dmp

Filesize
408KB

Download
memory/2956-6105-0x0000000005F10000-0x0000000006264000-memory.dmp

Filesize
3.3MB

Download
memory/2956-6106-0x00000000064F0000-0x000000000650E000-memory.dmp

Filesize
120KB

Download
memory/2956-6107-0x0000000006590000-0x00000000065DC000-memory.dmp

Filesize
304KB

Download
memory/2956-6108-0x0000000002BB0000-0x0000000002BC0000-memory.dmp

Filesize
64KB

Download
memory/2956-6109-0x00000000074C0000-0x0000000007556000-memory.dmp

Filesize
600KB

Download
memory/2956-6110-0x00000000069E0000-0x00000000069FA000-memory.dmp

Filesize
104KB

Download
memory/2956-6111-0x0000000006A60000-0x0000000006A82000-memory.dmp

Filesize
136KB

Download
memory/2956-6112-0x0000000007B10000-0x00000000080B4000-memory.dmp

Filesize
5.6MB

Download
memory/2956-6115-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download