zgrat | 114ad98c82f045d81f4b456900e650ea316e7dda7a1d8c5396e585488986d6fe | Triage

Analysis

max time kernel
53s
max time network
52s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
12/05/2024, 03:20

Sharing

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General

Target

PatchGadar.exe
Size

293KB
MD5

edcfedc1c217b5907f6b69272e5ca98f
SHA1

e4bb7f3226e809c7ad1e12193ee26048cfc58790
SHA256

114ad98c82f045d81f4b456900e650ea316e7dda7a1d8c5396e585488986d6fe
SHA512

c1a9d970e7690f60eb1ad0ea85a57c942b31006db8dbbfcc46e1d0e1036ee2957f67ce205eba93b426d78dd6eb8bcf23fb713b3442ae1ab91f59a24ed6e4e626
SSDEEP

3072:e3MK0Jc5YQoIpwg9iO2OaiS40eBwYG3zRrYp2OplMGc8A6uHPMG7CUqkZFI0CADL:u2c5YQoI2gzai9kjJkhpuJvYuH

Score

10^/10

zgrat evasion rat

Malware Config

Signatures

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral2/memory/1720-1-0x0000000000980000-0x00000000009D0000-memory.dmp	family_zgrat_v1

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

Modifies Windows Firewall 2 TTPs 5 IoCs

Windows Service

Disable or Modify System Firewall

pid	Process
1836	netsh.exe
2284	netsh.exe
1332	netsh.exe
2644	netsh.exe
2716	netsh.exe

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral2/memory/1720-1-0x0000000000980000-0x00000000009D0000-memory.dmp	net_reactor

Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs

Web Service

flow	ioc
4	raw.githubusercontent.com
5	raw.githubusercontent.com
6	raw.githubusercontent.com
7	raw.githubusercontent.com

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1720	PatchGadar.exe
Token: SeDebugPrivilege	1260	taskmgr.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe

Suspicious use of SendNotifyMessage 34 IoCs

pid	Process
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe
1260	taskmgr.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 1332	1720	PatchGadar.exe	30
PID 1720 wrote to memory of 1332	1720	PatchGadar.exe	30
PID 1720 wrote to memory of 1332	1720	PatchGadar.exe	30
PID 1720 wrote to memory of 1332	1720	PatchGadar.exe	30
PID 1720 wrote to memory of 2644	1720	PatchGadar.exe	32
PID 1720 wrote to memory of 2644	1720	PatchGadar.exe	32
PID 1720 wrote to memory of 2644	1720	PatchGadar.exe	32
PID 1720 wrote to memory of 2644	1720	PatchGadar.exe	32
PID 1720 wrote to memory of 2716	1720	PatchGadar.exe	34
PID 1720 wrote to memory of 2716	1720	PatchGadar.exe	34
PID 1720 wrote to memory of 2716	1720	PatchGadar.exe	34
PID 1720 wrote to memory of 2716	1720	PatchGadar.exe	34
PID 1720 wrote to memory of 1836	1720	PatchGadar.exe	36
PID 1720 wrote to memory of 1836	1720	PatchGadar.exe	36
PID 1720 wrote to memory of 1836	1720	PatchGadar.exe	36
PID 1720 wrote to memory of 1836	1720	PatchGadar.exe	36
PID 1720 wrote to memory of 2284	1720	PatchGadar.exe	38
PID 1720 wrote to memory of 2284	1720	PatchGadar.exe	38
PID 1720 wrote to memory of 2284	1720	PatchGadar.exe	38
PID 1720 wrote to memory of 2284	1720	PatchGadar.exe	38

C:\Users\Admin\AppData\Local\Temp\PatchGadar.exe
"C:\Users\Admin\AppData\Local\Temp\PatchGadar.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\SysWOW64\netsh.exe
  "netsh" advfirewall firewall add rule name="BlockIP 107.186.1.15" dir=out action=block remoteip=107.186.1.15
  2⤵
  - Modifies Windows Firewall
  PID:1332
- C:\Windows\SysWOW64\netsh.exe
  "netsh" advfirewall firewall add rule name="BlockIP 107.186.10.31" dir=out action=block remoteip=107.186.10.31
  2⤵
  - Modifies Windows Firewall
  PID:2644
- C:\Windows\SysWOW64\netsh.exe
  "netsh" advfirewall firewall add rule name="BlockIP 107.186.31.222" dir=out action=block remoteip=107.186.31.222
  2⤵
  - Modifies Windows Firewall
  PID:2716
- C:\Windows\SysWOW64\netsh.exe
  "netsh" advfirewall firewall add rule name="BlockIP 23.226.21.91" dir=out action=block remoteip=23.226.21.91
  2⤵
  - Modifies Windows Firewall
  PID:1836
- C:\Windows\SysWOW64\netsh.exe
  "netsh" advfirewall firewall add rule name="BlockIP 104.26.2.120" dir=out action=block remoteip=104.26.2.120
  2⤵
  - Modifies Windows Firewall
  PID:2284

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2852

C:\Windows\System32\taskmgr.exe
"C:\Windows\System32\taskmgr.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1260

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

Windows Service

Privilege Escalation

Create or Modify System Process

Windows Service

Defense Evasion

Impair Defenses

Disable or Modify System Firewall

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarD9F.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
memory/1260-63-0x0000000140000000-0x00000001405E8000-memory.dmp

Filesize
5.9MB

Download
memory/1260-64-0x0000000140000000-0x00000001405E8000-memory.dmp

Filesize
5.9MB

Download
memory/1720-2-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/1720-1-0x0000000000980000-0x00000000009D0000-memory.dmp

Filesize
320KB

Download
memory/1720-0-0x00000000741FE000-0x00000000741FF000-memory.dmp

Filesize
4KB

Download
memory/1720-3-0x00000000741FE000-0x00000000741FF000-memory.dmp

Filesize
4KB

Download
memory/1720-4-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/1720-62-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download