zgrat | 4bcc19c324294a3b92ed5067ca495f51a05362edcb2cf7c09d8619842a25a99c

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15-05-2024 14:41

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General

Target

Copy7510785002.exe
Size

4.7MB
MD5

40015adb59181ae2bc09e0f271373188
SHA1

f1690da2e26e5a7d31d3cce7b74a6185f60333f5
SHA256

4bcc19c324294a3b92ed5067ca495f51a05362edcb2cf7c09d8619842a25a99c
SHA512

e5cbf81c29bb44dbee01474e15bef92211f70b57f91489ca963e0f91cab7077081453ee2d2f833e7002d96fd0bdd8a70af3263d4ec548f2af22e4a672a893145
SSDEEP

24576:ULwV1goQrA9eYALPzgpICbdW/G/4ceP81kxr/wKXo4p/PGqA/v3MnU2ZRZhRVHTa:U0Vn

Score

10^/10

zgrat persistence rat

Malware Config

Signatures

Detect ZGRat V1 34 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2868-2-0x00000000060F0000-0x0000000006326000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-3-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-4-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-6-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-10-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-18-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-28-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-34-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-38-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-48-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-56-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-8-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-12-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-14-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-16-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-20-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-66-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-64-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-62-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-60-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-58-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-54-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-52-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-50-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-46-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-44-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-42-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-40-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-36-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-32-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-30-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-26-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-24-0x00000000060F0000-0x0000000006321000-memory.dmp	family_zgrat_v1
behavioral1/memory/2868-22-0x00000000060F0000-0x0000000006321000-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:

Copy7510785002.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\oouvef = "C:\\Users\\Admin\\AppData\\Roaming\\oouvef.exe"	Copy7510785002.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Copy7510785002.exe

description pid process target process

PID 2868 set thread context of 3544 2868 Copy7510785002.exe RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Copy7510785002.exe

description pid process

Token: SeDebugPrivilege 2868 Copy7510785002.exe
Token: SeDebugPrivilege 2868 Copy7510785002.exe

description	pid	process	target process
PID 2868 set thread context of 3544	2868	Copy7510785002.exe	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2868	Copy7510785002.exe
Token: SeDebugPrivilege	2868	Copy7510785002.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Copy7510785002.exe

description	pid	process	target process
PID 2868 wrote to memory of 3544	2868	Copy7510785002.exe	RegAsm.exe
PID 2868 wrote to memory of 3544	2868	Copy7510785002.exe	RegAsm.exe
PID 2868 wrote to memory of 3544	2868	Copy7510785002.exe	RegAsm.exe
PID 2868 wrote to memory of 3544	2868	Copy7510785002.exe	RegAsm.exe
PID 2868 wrote to memory of 3544	2868	Copy7510785002.exe	RegAsm.exe
PID 2868 wrote to memory of 3544	2868	Copy7510785002.exe	RegAsm.exe
PID 2868 wrote to memory of 3544	2868	Copy7510785002.exe	RegAsm.exe
PID 2868 wrote to memory of 3544	2868	Copy7510785002.exe	RegAsm.exe
PID 2868 wrote to memory of 3544	2868	Copy7510785002.exe	RegAsm.exe
PID 2868 wrote to memory of 3544	2868	Copy7510785002.exe	RegAsm.exe
PID 2868 wrote to memory of 3544	2868	Copy7510785002.exe	RegAsm.exe
PID 2868 wrote to memory of 3544	2868	Copy7510785002.exe	RegAsm.exe
PID 2868 wrote to memory of 3544	2868	Copy7510785002.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Copy7510785002.exe
"C:\Users\Admin\AppData\Local\Temp\Copy7510785002.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:3544

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/2868-0-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/2868-1-0x0000000000380000-0x0000000000832000-memory.dmp

Filesize
4.7MB

Download
memory/2868-2-0x00000000060F0000-0x0000000006326000-memory.dmp

Filesize
2.2MB

Download
memory/2868-3-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-4-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-6-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-10-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-18-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-28-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-34-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-38-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-48-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-56-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-8-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-12-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-14-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-16-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-20-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-66-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-64-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-62-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-60-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-58-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-54-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-52-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-50-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-46-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-44-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-42-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-40-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-36-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-32-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-30-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-26-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-24-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-22-0x00000000060F0000-0x0000000006321000-memory.dmp

Filesize
2.2MB

Download
memory/2868-4884-0x0000000000BF0000-0x0000000000C3C000-memory.dmp

Filesize
304KB

Download
memory/2868-4883-0x0000000000B40000-0x0000000000BB2000-memory.dmp

Filesize
456KB

Download
memory/2868-4885-0x0000000004740000-0x0000000004794000-memory.dmp

Filesize
336KB

Download
memory/2868-4903-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2868-4904-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download