zgrat | 99a3e2ebd1bc060c20f9d968c9fb58bca75e81a311ac8b9d0fbf7891f725fb53

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29/12/2023, 22:35

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General

Target

05c083a3ef66ad69e1ba8ac427ae8897.exe
Size

695KB
MD5

05c083a3ef66ad69e1ba8ac427ae8897
SHA1

78aa9b42981b5f4d466d2ec0aa0fe8d3b6e4d475
SHA256

99a3e2ebd1bc060c20f9d968c9fb58bca75e81a311ac8b9d0fbf7891f725fb53
SHA512

509a7a40f73569af81dbc67b7ce62121f066c9874a8347ac44af268a83a854f359ce0ff3164e6f5b88d7871d3ae9ede7a9157cbefb2e06902ee4bda1dc5cc213
SSDEEP

12288:ayB+7T3wXQZzFkhy0NzP7v8yZPQxZ6Xc0c4mh4C93Wk:yzwQGnHZP+ycdhvR

Score

10^/10

zgrat persistence rat

Malware Config

Signatures

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral1/memory/1308-4-0x0000000004280000-0x00000000042F8000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-6-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-7-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-9-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-11-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-13-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-15-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-17-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-19-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-21-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-23-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-25-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-27-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-29-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-31-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-35-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-33-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-37-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-39-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-41-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-43-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-45-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-47-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-49-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-51-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-53-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-55-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-57-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-59-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-61-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-63-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-67-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-65-0x0000000004280000-0x00000000042F2000-memory.dmp	family_zgrat_v1
behavioral1/memory/1308-69-0x0000000004280000-0x00000000042F2000-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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\paint = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\paint\\paint.exe\""	05c083a3ef66ad69e1ba8ac427ae8897.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1308 set thread context of 2008	1308	05c083a3ef66ad69e1ba8ac427ae8897.exe	30

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1308	05c083a3ef66ad69e1ba8ac427ae8897.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1308	05c083a3ef66ad69e1ba8ac427ae8897.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2008	05c083a3ef66ad69e1ba8ac427ae8897.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1308 wrote to memory of 2008	1308	05c083a3ef66ad69e1ba8ac427ae8897.exe	30
PID 1308 wrote to memory of 2008	1308	05c083a3ef66ad69e1ba8ac427ae8897.exe	30
PID 1308 wrote to memory of 2008	1308	05c083a3ef66ad69e1ba8ac427ae8897.exe	30
PID 1308 wrote to memory of 2008	1308	05c083a3ef66ad69e1ba8ac427ae8897.exe	30
PID 1308 wrote to memory of 2008	1308	05c083a3ef66ad69e1ba8ac427ae8897.exe	30
PID 1308 wrote to memory of 2008	1308	05c083a3ef66ad69e1ba8ac427ae8897.exe	30
PID 1308 wrote to memory of 2008	1308	05c083a3ef66ad69e1ba8ac427ae8897.exe	30
PID 1308 wrote to memory of 2008	1308	05c083a3ef66ad69e1ba8ac427ae8897.exe	30
PID 1308 wrote to memory of 2008	1308	05c083a3ef66ad69e1ba8ac427ae8897.exe	30

C:\Users\Admin\AppData\Local\Temp\05c083a3ef66ad69e1ba8ac427ae8897.exe
"C:\Users\Admin\AppData\Local\Temp\05c083a3ef66ad69e1ba8ac427ae8897.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1308
- C:\Users\Admin\AppData\Local\Temp\05c083a3ef66ad69e1ba8ac427ae8897.exe
  C:\Users\Admin\AppData\Local\Temp\05c083a3ef66ad69e1ba8ac427ae8897.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2008

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

memory/1308-1-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/1308-0-0x00000000009B0000-0x0000000000A64000-memory.dmp

Filesize
720KB

Download
memory/1308-2-0x00000000049F0000-0x0000000004A30000-memory.dmp

Filesize
256KB

Download
memory/1308-3-0x0000000004940000-0x00000000049EA000-memory.dmp

Filesize
680KB

Download
memory/1308-4-0x0000000004280000-0x00000000042F8000-memory.dmp

Filesize
480KB

Download
memory/1308-5-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/1308-6-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-7-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-9-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-11-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-13-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-15-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-17-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-19-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-21-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-23-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-25-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-27-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-29-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-31-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-35-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-33-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-37-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-39-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-41-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-43-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-45-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-47-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-49-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-51-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-53-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-55-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-57-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-59-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-61-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-63-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-67-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-65-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-69-0x0000000004280000-0x00000000042F2000-memory.dmp

Filesize
456KB

Download
memory/1308-679-0x00000000049F0000-0x0000000004A30000-memory.dmp

Filesize
256KB

Download
memory/1308-2352-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download