zgrat | d31b8d373badf8390c91b27d173cbfc88adf7701e08d222d05f2d28518ded326

Analysis

max time kernel
135s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2024, 13:52

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General

Target

Quotation 5900481XXX024.exe
Size

684KB
MD5

4dd91f2635e9a2aa54eb4016e606d7d8
SHA1

ffdd38ff4300fbb46da6dcdade75daeda8a12aab
SHA256

d31b8d373badf8390c91b27d173cbfc88adf7701e08d222d05f2d28518ded326
SHA512

604d888c5b62167e4ddb2279a769d736798f1dfbec4ad2b5d15a183c19128cd4a10f2c97300dc77cc2a063f7ce227b942d5731adbdb0045dcdd701569e04ffa1
SSDEEP

12288:V9T2KVCEmgXEun+n+yzfBKoti9PW7skNgfI+Ic2GEWbNVfQQ3m0BhBEq:PThVCEm4k1zooQRW7kfI+IDGDbNVfQhg

Score

10^/10

zgrat persistence rat

Malware Config

Signatures

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral2/memory/640-1-0x000002B56A130000-0x000002B56A1DA000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-4-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-3-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-8-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-6-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-16-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-14-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-12-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-20-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-18-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-24-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-22-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-30-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-36-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-40-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-38-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-48-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-54-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-58-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-60-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-62-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-66-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-64-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-56-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-52-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-50-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-46-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-44-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-42-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-34-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-32-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-28-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-26-0x000002B56A130000-0x000002B56A1D5000-memory.dmp	family_zgrat_v1
behavioral2/memory/640-10-0x000002B56A130000-0x000002B56A1D5000-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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ktwjufxlcoc = "C:\\Users\\Admin\\AppData\\Roaming\\Ktwjufxlcoc.exe"	Quotation 5900481XXX024.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
640	Quotation 5900481XXX024.exe
640	Quotation 5900481XXX024.exe
640	Quotation 5900481XXX024.exe
640	Quotation 5900481XXX024.exe
640	Quotation 5900481XXX024.exe
640	Quotation 5900481XXX024.exe
640	Quotation 5900481XXX024.exe
640	Quotation 5900481XXX024.exe
640	Quotation 5900481XXX024.exe
640	Quotation 5900481XXX024.exe
640	Quotation 5900481XXX024.exe
640	Quotation 5900481XXX024.exe
640	Quotation 5900481XXX024.exe
640	Quotation 5900481XXX024.exe
640	Quotation 5900481XXX024.exe
640	Quotation 5900481XXX024.exe
640	Quotation 5900481XXX024.exe
640	Quotation 5900481XXX024.exe
640	Quotation 5900481XXX024.exe
640	Quotation 5900481XXX024.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	640	Quotation 5900481XXX024.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 3896	640	Quotation 5900481XXX024.exe	88
PID 640 wrote to memory of 3896	640	Quotation 5900481XXX024.exe	88
PID 640 wrote to memory of 2364	640	Quotation 5900481XXX024.exe	102
PID 640 wrote to memory of 2364	640	Quotation 5900481XXX024.exe	102
PID 640 wrote to memory of 4988	640	Quotation 5900481XXX024.exe	101
PID 640 wrote to memory of 4988	640	Quotation 5900481XXX024.exe	101
PID 640 wrote to memory of 5016	640	Quotation 5900481XXX024.exe	100
PID 640 wrote to memory of 5016	640	Quotation 5900481XXX024.exe	100
PID 640 wrote to memory of 3644	640	Quotation 5900481XXX024.exe	99
PID 640 wrote to memory of 3644	640	Quotation 5900481XXX024.exe	99
PID 640 wrote to memory of 3992	640	Quotation 5900481XXX024.exe	97
PID 640 wrote to memory of 3992	640	Quotation 5900481XXX024.exe	97
PID 640 wrote to memory of 3512	640	Quotation 5900481XXX024.exe	96
PID 640 wrote to memory of 3512	640	Quotation 5900481XXX024.exe	96
PID 640 wrote to memory of 1348	640	Quotation 5900481XXX024.exe	95
PID 640 wrote to memory of 1348	640	Quotation 5900481XXX024.exe	95
PID 640 wrote to memory of 2096	640	Quotation 5900481XXX024.exe	94
PID 640 wrote to memory of 2096	640	Quotation 5900481XXX024.exe	94
PID 640 wrote to memory of 1904	640	Quotation 5900481XXX024.exe	93
PID 640 wrote to memory of 1904	640	Quotation 5900481XXX024.exe	93

C:\Users\Admin\AppData\Local\Temp\Quotation 5900481XXX024.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation 5900481XXX024.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:640
- C:\Users\Admin\AppData\Local\Temp\Quotation 5900481XXX024.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation 5900481XXX024.exe"
  2⤵
  PID:3896
- C:\Users\Admin\AppData\Local\Temp\Quotation 5900481XXX024.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation 5900481XXX024.exe"
  2⤵
  PID:1904
- C:\Users\Admin\AppData\Local\Temp\Quotation 5900481XXX024.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation 5900481XXX024.exe"
  2⤵
  PID:2096
- C:\Users\Admin\AppData\Local\Temp\Quotation 5900481XXX024.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation 5900481XXX024.exe"
  2⤵
  PID:1348
- C:\Users\Admin\AppData\Local\Temp\Quotation 5900481XXX024.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation 5900481XXX024.exe"
  2⤵
  PID:3512
- C:\Users\Admin\AppData\Local\Temp\Quotation 5900481XXX024.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation 5900481XXX024.exe"
  2⤵
  PID:3992
- C:\Users\Admin\AppData\Local\Temp\Quotation 5900481XXX024.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation 5900481XXX024.exe"
  2⤵
  PID:3644
- C:\Users\Admin\AppData\Local\Temp\Quotation 5900481XXX024.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation 5900481XXX024.exe"
  2⤵
  PID:5016
- C:\Users\Admin\AppData\Local\Temp\Quotation 5900481XXX024.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation 5900481XXX024.exe"
  2⤵
  PID:4988
- C:\Users\Admin\AppData\Local\Temp\Quotation 5900481XXX024.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation 5900481XXX024.exe"
  2⤵
  PID:2364

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/640-0-0x000002B568340000-0x000002B5683F0000-memory.dmp

Filesize
704KB

Download
memory/640-2-0x00007FF826000000-0x00007FF826AC1000-memory.dmp

Filesize
10.8MB

Download
memory/640-1-0x000002B56A130000-0x000002B56A1DA000-memory.dmp

Filesize
680KB

Download
memory/640-4-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-3-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-8-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-6-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-16-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-14-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-12-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-20-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-18-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-24-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-22-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-30-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-36-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-40-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-38-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-48-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-54-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-58-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-60-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-62-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-66-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-64-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-56-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-52-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-50-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-46-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-44-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-42-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-34-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-32-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-28-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-26-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-10-0x000002B56A130000-0x000002B56A1D5000-memory.dmp

Filesize
660KB

Download
memory/640-936-0x000002B568810000-0x000002B568811000-memory.dmp

Filesize
4KB

Download
memory/640-935-0x000002B568780000-0x000002B568790000-memory.dmp

Filesize
64KB

Download
memory/640-938-0x000002B56A8E0000-0x000002B56A92C000-memory.dmp

Filesize
304KB

Download
memory/640-937-0x000002B568830000-0x000002B568872000-memory.dmp

Filesize
264KB

Download
memory/640-941-0x00007FF826000000-0x00007FF826AC1000-memory.dmp

Filesize
10.8MB

Download