zgrat | 62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d

Analysis

max time kernel
128s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
14-05-2024 16:18

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General

Target

62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d.exe
Size

439KB
MD5

1885cacfae37edb28b438588771fb03f
SHA1

b8b86b6ddc681a9333628f344875d9d33fee7185
SHA256

62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d
SHA512

afc2b931689f21c1b7770735f2292c2fa667b86123354d8409d264118e1908f22dddd58fc17545e9feaae786c2414133923c2170be879ff502398f87c556d57e
SSDEEP

6144:NZi9pP2JNMv8P4WyKNh6xzRnM3VVYijO9Wi7XMJRAc3ewc5n5:NZibPoKv6fNhEFMDBMWY3cu/5

Score

10^/10

zgrat persistence rat

Malware Config

Signatures

Detect ZGRat V1 34 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3408-2-0x000000001B290000-0x000000001B36C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-42-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-26-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-10-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-66-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-64-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-62-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-60-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-56-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-54-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-52-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-48-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-46-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-58-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-50-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-44-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-40-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-38-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-36-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-34-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-32-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-30-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-28-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-24-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-22-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-20-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-18-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-16-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-14-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-12-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-8-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-6-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-4-0x000000001B290000-0x000000001B367000-memory.dmp	family_zgrat_v1
behavioral2/memory/3408-3-0x000000001B290000-0x000000001B367000-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:

powershell.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d = "C:\\Users\\Admin\\AppData\\Roaming\\62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d.exe"	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid	Process
5920	powershell.exe
5920	powershell.exe
5920	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	3408	62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d.exe
Token: SeDebugPrivilege	5920	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d.exe

description	pid	Process	procid_target
PID 3408 wrote to memory of 5920	3408	62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d.exe	95
PID 3408 wrote to memory of 5920	3408	62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d.exe	95

C:\Users\Admin\AppData\Local\Temp\62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d.exe
"C:\Users\Admin\AppData\Local\Temp\62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3408
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Remove-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name '62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name '62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d' -Value '"C:\Users\Admin\AppData\Roaming\62990bd81297a42bf5348c15a196e488a531420d12869392c5bd0724ca997c9d.exe"' -PropertyType 'String'
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5920

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4328,i,5047420736443372512,9747851268033796534,262144 --variations-seed-version --mojo-platform-channel-handle=4356 /prefetch:8
1⤵
PID:5152

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_ut1o3gxj.mr5.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3408-34-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-6337-0x00007FF829E63000-0x00007FF829E65000-memory.dmp

Filesize
8KB

Download
memory/3408-42-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-26-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-10-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-66-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-64-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-62-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-214-0x00007FF829E60000-0x00007FF82A921000-memory.dmp

Filesize
10.8MB

Download
memory/3408-60-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-56-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-54-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-52-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-48-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-46-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-58-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-32-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-44-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-40-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-38-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-36-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-1-0x00007FF829E63000-0x00007FF829E65000-memory.dmp

Filesize
8KB

Download
memory/3408-28-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-2-0x000000001B290000-0x000000001B36C000-memory.dmp

Filesize
880KB

Download
memory/3408-50-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-24-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-22-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-20-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-18-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-16-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-14-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-12-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-8-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-6-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-4-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-3-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-6338-0x00007FF829E60000-0x00007FF82A921000-memory.dmp

Filesize
10.8MB

Download
memory/3408-30-0x000000001B290000-0x000000001B367000-memory.dmp

Filesize
860KB

Download
memory/3408-0-0x00000000006C0000-0x0000000000734000-memory.dmp

Filesize
464KB

Download
memory/3408-6336-0x00007FF829E60000-0x00007FF82A921000-memory.dmp

Filesize
10.8MB

Download
memory/5920-6327-0x00007FF829E60000-0x00007FF82A921000-memory.dmp

Filesize
10.8MB

Download
memory/5920-6331-0x00007FF829E60000-0x00007FF82A921000-memory.dmp

Filesize
10.8MB

Download
memory/5920-6334-0x00007FF829E60000-0x00007FF82A921000-memory.dmp

Filesize
10.8MB

Download
memory/5920-6325-0x000001F7E9570000-0x000001F7E9592000-memory.dmp

Filesize
136KB

Download
memory/5920-6319-0x00007FF829E60000-0x00007FF82A921000-memory.dmp

Filesize
10.8MB

Download
memory/5920-6318-0x00007FF829E60000-0x00007FF82A921000-memory.dmp

Filesize
10.8MB

Download