zgrat | f762e754543decaa05f5a48eb894db18c2396feac1f983dc732b17e5563cf246

Analysis

max time kernel
136s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2024 05:22

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General

Target

file.exe
Size

420KB
MD5

4637890c14f37ece8321cf079192acd2
SHA1

8ab20768d020d40988fb848eeabb8efb16459330
SHA256

f762e754543decaa05f5a48eb894db18c2396feac1f983dc732b17e5563cf246
SHA512

977fac279c2e4852689cc4f65f4ef15cba035ac6b88d5b87e297ab2a8b73c12a6f29b3c58e5bacaedd86c1a4a8d2fcc175054a7eb273bdc9f11819c6631470cd
SSDEEP

6144:IbUCjzAieqUWBh4HtbcOdSTzUhDUKtNNhmQiBgZCxahmGatV48Mzr0YRDmX7:niDlh4HVcOiUxr3hmhC7h9warjR4

Score

10^/10

zgrat persistence rat

Malware Config

Signatures

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral2/memory/3536-3-0x0000000005450000-0x0000000005526000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-9-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-25-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-39-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-43-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-53-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-57-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-63-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-67-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-65-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-61-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-59-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-55-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-51-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-49-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-47-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-45-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-41-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-37-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-35-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-33-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-31-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-29-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-27-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-23-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-21-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-19-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-17-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-15-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-13-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-11-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-7-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-5-0x0000000005450000-0x0000000005520000-memory.dmp	family_zgrat_v1
behavioral2/memory/3536-4-0x0000000005450000-0x0000000005520000-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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\file = "C:\\Users\\Admin\\AppData\\Local\\Temp\\file.exe"	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4768	powershell.exe
4768	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3536	file.exe
Token: SeDebugPrivilege	4768	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3536 wrote to memory of 4768	3536	file.exe	90
PID 3536 wrote to memory of 4768	3536	file.exe	90
PID 3536 wrote to memory of 4768	3536	file.exe	90

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3536
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Remove-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'file';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'file' -Value '"C:\Users\Admin\AppData\Local\Temp\file.exe"' -PropertyType 'String'
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4768

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_aowra3bl.sb2.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3536-21-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-41-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-1-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/3536-9-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-25-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-39-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-43-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-53-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-57-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-63-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-67-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-65-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-61-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-59-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-55-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-51-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-49-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-47-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-45-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-6080-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/3536-37-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-35-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-23-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-31-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-29-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-27-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-33-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-3-0x0000000005450000-0x0000000005526000-memory.dmp

Filesize
856KB

Download
memory/3536-6104-0x0000000005640000-0x0000000005650000-memory.dmp

Filesize
64KB

Download
memory/3536-17-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-15-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-13-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-11-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-7-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-5-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-4-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-6076-0x00000000055B0000-0x0000000005616000-memory.dmp

Filesize
408KB

Download
memory/3536-19-0x0000000005450000-0x0000000005520000-memory.dmp

Filesize
832KB

Download
memory/3536-0-0x0000000000AF0000-0x0000000000B60000-memory.dmp

Filesize
448KB

Download
memory/3536-2-0x0000000005640000-0x0000000005650000-memory.dmp

Filesize
64KB

Download
memory/4768-6099-0x0000000006B90000-0x0000000006BB2000-memory.dmp

Filesize
136KB

Download
memory/4768-6081-0x0000000005820000-0x0000000005E48000-memory.dmp

Filesize
6.2MB

Download
memory/4768-6082-0x00000000051E0000-0x00000000051F0000-memory.dmp

Filesize
64KB

Download
memory/4768-6084-0x0000000005EC0000-0x0000000005F26000-memory.dmp

Filesize
408KB

Download
memory/4768-6078-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4768-6083-0x00000000057A0000-0x00000000057C2000-memory.dmp

Filesize
136KB

Download
memory/4768-6094-0x0000000006150000-0x00000000064A4000-memory.dmp

Filesize
3.3MB

Download
memory/4768-6095-0x0000000006620000-0x000000000663E000-memory.dmp

Filesize
120KB

Download
memory/4768-6096-0x0000000006670000-0x00000000066BC000-memory.dmp

Filesize
304KB

Download
memory/4768-6097-0x00000000077D0000-0x0000000007866000-memory.dmp

Filesize
600KB

Download
memory/4768-6098-0x0000000006B10000-0x0000000006B2A000-memory.dmp

Filesize
104KB

Download
memory/4768-6100-0x0000000007E20000-0x00000000083C4000-memory.dmp

Filesize
5.6MB

Download
memory/4768-6079-0x00000000051E0000-0x00000000051F0000-memory.dmp

Filesize
64KB

Download
memory/4768-6103-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4768-6077-0x00000000050A0000-0x00000000050D6000-memory.dmp

Filesize
216KB

Download