zgrat | d6390558e6f860877f95e6cf83ebc2fa028da6f469d75f73b27afe92900fbc7f

Resubmissions

27-02-2024 15:25

240227-stkjgacg5s 10

27-02-2024 15:21

240227-srp16scc78 10

Analysis

max time kernel
146s
max time network
120s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
27-02-2024 15:21

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Report Analysis Logs

General

Target

a97ccd364ed034769bd7a0e41d823ebf.exe
Size

754KB
MD5

a97ccd364ed034769bd7a0e41d823ebf
SHA1

ca4e9380a6ac5fe37d204cc055fb7f63cf764383
SHA256

d6390558e6f860877f95e6cf83ebc2fa028da6f469d75f73b27afe92900fbc7f
SHA512

b9c716b17d105a97cd161f9585e3b69a9b4b40091bb07c5e0cef79a257bb26a5076a58a649b4db6bb0a67990d980292df657b4187ff348a66748355a18699770
SSDEEP

12288:Nte7/9xRNdnCGjIz8L4frvaRHELXq24z3P8cUdKFoUU5Czd0/FU1F3:uf9nXIoL4frSELq1LP84dU5CJ0/w

Score

10^/10

zgrat persistence rat

Malware Config

Signatures

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral1/memory/2744-22-0x00000000084C0000-0x0000000008528000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-23-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-24-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-26-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-28-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-30-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-32-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-34-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-36-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-38-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-40-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-42-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-44-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-46-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-48-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-50-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-52-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-66-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-70-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-76-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-80-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-86-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-84-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-82-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-78-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-74-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-72-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-68-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-64-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-62-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-60-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-58-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-56-0x00000000084C0000-0x0000000008523000-memory.dmp	family_zgrat_v1
behavioral1/memory/2744-54-0x00000000084C0000-0x0000000008523000-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-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\chrom = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\chrome\\chrom.exe\""	a97ccd364ed034769bd7a0e41d823ebf.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2616	powershell.exe
2720	powershell.exe
2824	powershell.exe
2556	powershell.exe
1700	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2616	powershell.exe
Token: SeDebugPrivilege	2720	powershell.exe
Token: SeDebugPrivilege	2744	a97ccd364ed034769bd7a0e41d823ebf.exe
Token: SeDebugPrivilege	2824	powershell.exe
Token: SeDebugPrivilege	2556	powershell.exe
Token: SeDebugPrivilege	1700	powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2616	2744	a97ccd364ed034769bd7a0e41d823ebf.exe	28
PID 2744 wrote to memory of 2616	2744	a97ccd364ed034769bd7a0e41d823ebf.exe	28
PID 2744 wrote to memory of 2616	2744	a97ccd364ed034769bd7a0e41d823ebf.exe	28
PID 2744 wrote to memory of 2616	2744	a97ccd364ed034769bd7a0e41d823ebf.exe	28
PID 2744 wrote to memory of 2720	2744	a97ccd364ed034769bd7a0e41d823ebf.exe	30
PID 2744 wrote to memory of 2720	2744	a97ccd364ed034769bd7a0e41d823ebf.exe	30
PID 2744 wrote to memory of 2720	2744	a97ccd364ed034769bd7a0e41d823ebf.exe	30
PID 2744 wrote to memory of 2720	2744	a97ccd364ed034769bd7a0e41d823ebf.exe	30
PID 2744 wrote to memory of 2824	2744	a97ccd364ed034769bd7a0e41d823ebf.exe	35
PID 2744 wrote to memory of 2824	2744	a97ccd364ed034769bd7a0e41d823ebf.exe	35
PID 2744 wrote to memory of 2824	2744	a97ccd364ed034769bd7a0e41d823ebf.exe	35
PID 2744 wrote to memory of 2824	2744	a97ccd364ed034769bd7a0e41d823ebf.exe	35
PID 2744 wrote to memory of 2556	2744	a97ccd364ed034769bd7a0e41d823ebf.exe	36
PID 2744 wrote to memory of 2556	2744	a97ccd364ed034769bd7a0e41d823ebf.exe	36
PID 2744 wrote to memory of 2556	2744	a97ccd364ed034769bd7a0e41d823ebf.exe	36
PID 2744 wrote to memory of 2556	2744	a97ccd364ed034769bd7a0e41d823ebf.exe	36
PID 2744 wrote to memory of 1700	2744	a97ccd364ed034769bd7a0e41d823ebf.exe	38
PID 2744 wrote to memory of 1700	2744	a97ccd364ed034769bd7a0e41d823ebf.exe	38
PID 2744 wrote to memory of 1700	2744	a97ccd364ed034769bd7a0e41d823ebf.exe	38
PID 2744 wrote to memory of 1700	2744	a97ccd364ed034769bd7a0e41d823ebf.exe	38

C:\Users\Admin\AppData\Local\Temp\a97ccd364ed034769bd7a0e41d823ebf.exe
"C:\Users\Admin\AppData\Local\Temp\a97ccd364ed034769bd7a0e41d823ebf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Write-Output Hello World
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2616
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Write-Output Hello World
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2720
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 5; Remove-Item -Path "C:\Users\Admin\AppData\Local\Temp\a97ccd364ed034769bd7a0e41d823ebf.exe" -Force
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2824
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 5; Remove-Item -Path "C:\Users\Admin\AppData\Local\Temp\a97ccd364ed034769bd7a0e41d823ebf.exe" -Force
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2556
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 5; Remove-Item -Path "C:\Users\Admin\AppData\Local\Temp\a97ccd364ed034769bd7a0e41d823ebf.exe" -Force
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1700

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
b006e374bafeb35eb633ae95a081a628

SHA1
d9605de7f092bdc1394663f582bd0b5c7e6a2846

SHA256
dfe8603743258d28fe5e0a4d85ab2f583b2145a03ee812181cc4ecdcadb1ce04

SHA512
22ce052907d412382754a7b3ac85baaa7e1da4033ca7cbbf8bf0b07a0f1fc00b33605fdd44830617a351644320031ec3f510442247c1612ec4c07e42e149557b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
d1a2e66093b9c5733063bb20ace22d9c

SHA1
a0770441efc264b9667ee4ada2a21a1e6886cf52

SHA256
caf4a00a2a7bf159438e7fc91f280fc5c80520c3fbac3d88584e87c23acb4a61

SHA512
62b2a2753c0c1dba7fcb3d9802d9e20a0cf2a1de511beab1ed47d517c5da5c1821110398ac9d3cea93cd0df2615b9e95f52770b8ac811c5dbad3e4d7ae3d0ccb

Download Submit
memory/1700-6003-0x000000006F920000-0x000000006FECB000-memory.dmp

Filesize
5.7MB

Download
memory/1700-6004-0x000000006F920000-0x000000006FECB000-memory.dmp

Filesize
5.7MB

Download
memory/1700-7983-0x000000006F920000-0x000000006FECB000-memory.dmp

Filesize
5.7MB

Download
memory/2556-4009-0x0000000002740000-0x0000000002780000-memory.dmp

Filesize
256KB

Download
memory/2556-4011-0x000000006FBA0000-0x000000007014B000-memory.dmp

Filesize
5.7MB

Download
memory/2556-4007-0x000000006FBA0000-0x000000007014B000-memory.dmp

Filesize
5.7MB

Download
memory/2556-4012-0x0000000002740000-0x0000000002780000-memory.dmp

Filesize
256KB

Download
memory/2556-5991-0x000000006FBA0000-0x000000007014B000-memory.dmp

Filesize
5.7MB

Download
memory/2616-9-0x000000006FC80000-0x000000007022B000-memory.dmp

Filesize
5.7MB

Download
memory/2616-5-0x000000006FC80000-0x000000007022B000-memory.dmp

Filesize
5.7MB

Download
memory/2616-6-0x0000000002980000-0x00000000029C0000-memory.dmp

Filesize
256KB

Download
memory/2616-8-0x0000000002980000-0x00000000029C0000-memory.dmp

Filesize
256KB

Download
memory/2616-7-0x000000006FC80000-0x000000007022B000-memory.dmp

Filesize
5.7MB

Download
memory/2720-17-0x000000006F9D0000-0x000000006FF7B000-memory.dmp

Filesize
5.7MB

Download
memory/2720-16-0x000000006F9D0000-0x000000006FF7B000-memory.dmp

Filesize
5.7MB

Download
memory/2720-15-0x000000006F9D0000-0x000000006FF7B000-memory.dmp

Filesize
5.7MB

Download
memory/2744-66-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-68-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-32-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-34-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-36-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-38-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-40-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-42-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-44-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-46-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-48-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-50-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-52-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-1-0x0000000074A30000-0x000000007511E000-memory.dmp

Filesize
6.9MB

Download
memory/2744-70-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-76-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-80-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-86-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-84-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-82-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-78-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-74-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-72-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-30-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-64-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-62-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-60-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-58-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-56-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-54-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-28-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-0-0x0000000000DE0000-0x0000000000EA2000-memory.dmp

Filesize
776KB

Download
memory/2744-2-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2744-18-0x0000000074A30000-0x000000007511E000-memory.dmp

Filesize
6.9MB

Download
memory/2744-19-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2744-21-0x0000000006090000-0x0000000006132000-memory.dmp

Filesize
648KB

Download
memory/2744-26-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-24-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-23-0x00000000084C0000-0x0000000008523000-memory.dmp

Filesize
396KB

Download
memory/2744-22-0x00000000084C0000-0x0000000008528000-memory.dmp

Filesize
416KB

Download
memory/2824-3998-0x000000006F920000-0x000000006FECB000-memory.dmp

Filesize
5.7MB

Download
memory/2824-2021-0x00000000028B0000-0x00000000028F0000-memory.dmp

Filesize
256KB

Download
memory/2824-2020-0x000000006F920000-0x000000006FECB000-memory.dmp

Filesize
5.7MB

Download
memory/2824-2017-0x00000000028B0000-0x00000000028F0000-memory.dmp

Filesize
256KB

Download
memory/2824-2016-0x000000006F920000-0x000000006FECB000-memory.dmp

Filesize
5.7MB

Download