zgrat | 40fd6067985c30bfc7e64bb84b85f98665269c57992ec9254e52aa39da713539

Analysis

max time kernel
146s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06-05-2024 11:56

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General

Target

Inv.exe
Size

2.7MB
MD5

fb5b5bb52db5f467f602723270d9ff4d
SHA1

739eb78f0f4ce08260b47d2b8636a277848db723
SHA256

40fd6067985c30bfc7e64bb84b85f98665269c57992ec9254e52aa39da713539
SHA512

62f0f7c333f05505349300eafaf16ab3b5557e267df7fee15f1184777903e50c9e97d5e4594a80371b1f681589fd07f48c7c69949062e940ee67234b6b3bc638
SSDEEP

49152:s6l45exza56E6zlxlS1zVGqhAXWH6rJ+YMDlcjdUUF/4cVuvC:NS5exU6E4xcthSA6rJMDeBwU

Score

10^/10

zgrat persistence rat

Malware Config

Signatures

Detect ZGRat V1 35 IoCs

resource	yara_rule
behavioral2/memory/2432-2-0x00000000056A0000-0x0000000005932000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-12-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-10-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-49-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-64-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-59-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-52-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-50-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-46-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-44-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-42-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-40-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-38-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-36-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-34-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-32-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-68-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-66-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-62-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-60-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-56-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-54-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-30-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-28-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-26-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-24-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-20-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-18-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-16-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-14-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-8-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-6-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-22-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/2432-5-0x00000000056A0000-0x000000000592B000-memory.dmp	family_zgrat_v1
behavioral2/memory/4288-4894-0x00000000057A0000-0x000000000587C000-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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Qiozmrce = "C:\\Users\\Admin\\AppData\\Roaming\\Qiozmrce.exe"	Inv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2432 set thread context of 4288	2432	Inv.exe	95

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2432	Inv.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2432	Inv.exe
Token: SeDebugPrivilege	2432	Inv.exe
Token: SeDebugPrivilege	4288	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 4288	2432	Inv.exe	95
PID 2432 wrote to memory of 4288	2432	Inv.exe	95
PID 2432 wrote to memory of 4288	2432	Inv.exe	95
PID 2432 wrote to memory of 4288	2432	Inv.exe	95
PID 2432 wrote to memory of 4288	2432	Inv.exe	95
PID 2432 wrote to memory of 4288	2432	Inv.exe	95
PID 2432 wrote to memory of 4288	2432	Inv.exe	95
PID 2432 wrote to memory of 4288	2432	Inv.exe	95

C:\Users\Admin\AppData\Local\Temp\Inv.exe
"C:\Users\Admin\AppData\Local\Temp\Inv.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4288

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 --mojo-platform-channel-handle=4136 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
1⤵
PID:4964

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/2432-0-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/2432-1-0x0000000000900000-0x0000000000BB0000-memory.dmp

Filesize
2.7MB

Download
memory/2432-2-0x00000000056A0000-0x0000000005932000-memory.dmp

Filesize
2.6MB

Download
memory/2432-3-0x0000000005EE0000-0x0000000006484000-memory.dmp

Filesize
5.6MB

Download
memory/2432-4-0x0000000005A20000-0x0000000005AB2000-memory.dmp

Filesize
584KB

Download
memory/2432-12-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-10-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-49-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-64-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-59-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-52-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-50-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-46-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-44-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-42-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-40-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-38-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-36-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-34-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-32-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-68-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-66-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-62-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-60-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-56-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-54-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-30-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-28-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-26-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-24-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-20-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-18-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-16-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-14-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-8-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-6-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-22-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-5-0x00000000056A0000-0x000000000592B000-memory.dmp

Filesize
2.5MB

Download
memory/2432-4885-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/2432-4886-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/2432-4887-0x00000000065D0000-0x000000000669E000-memory.dmp

Filesize
824KB

Download
memory/2432-4888-0x0000000005D00000-0x0000000005D4C000-memory.dmp

Filesize
304KB

Download
memory/2432-4889-0x0000000005D60000-0x0000000005DB4000-memory.dmp

Filesize
336KB

Download
memory/2432-4896-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/4288-4893-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/4288-4894-0x00000000057A0000-0x000000000587C000-memory.dmp

Filesize
880KB

Download
memory/4288-4895-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/4288-4897-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/4288-11120-0x0000000005880000-0x00000000058E6000-memory.dmp

Filesize
408KB

Download
memory/4288-11121-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download