zgrat | a636ac86f3f8c1341dd201eedfd702495aa0e313322d5c1318a5d1b623f0bb9d

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14-01-2024 13:19

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General

Target

5b55d6c34fb68f8b4bc9e361ee038641.exe
Size

684KB
MD5

5b55d6c34fb68f8b4bc9e361ee038641
SHA1

89e0d1840e1d4e6a708e0fabf376609863377a9f
SHA256

a636ac86f3f8c1341dd201eedfd702495aa0e313322d5c1318a5d1b623f0bb9d
SHA512

c45fb18cf1cf3aaea3ccc4425e12841c7c90cb610894f85e19c5fe831bfb8e93aab92572688a07e0677fd829023e5a963ff894045eef98941b54da56befffffc
SSDEEP

12288:0XCYJDX9rBoUX58/sSHZ4+3hGx5DkYjSs2:JYJDFBFX5CsMQ5dSs2

Score

10^/10

zgrat persistence rat

Malware Config

Signatures

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral1/memory/2912-4-0x0000000004550000-0x00000000045C2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-6-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-7-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-9-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-11-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-13-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-15-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-17-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-19-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-21-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-23-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-25-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-27-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-29-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-31-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-33-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-35-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-37-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-39-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-41-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-43-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-45-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-49-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-47-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-55-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-53-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-51-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-57-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-59-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-61-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-63-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-65-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-67-0x0000000004550000-0x00000000045BC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2912-69-0x0000000004550000-0x00000000045BC000-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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\paint = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\paint\\paint.exe\""	5b55d6c34fb68f8b4bc9e361ee038641.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2912 set thread context of 2076	2912	5b55d6c34fb68f8b4bc9e361ee038641.exe	30

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2912	5b55d6c34fb68f8b4bc9e361ee038641.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2912	5b55d6c34fb68f8b4bc9e361ee038641.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2076	5b55d6c34fb68f8b4bc9e361ee038641.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2912 wrote to memory of 2076	2912	5b55d6c34fb68f8b4bc9e361ee038641.exe	30
PID 2912 wrote to memory of 2076	2912	5b55d6c34fb68f8b4bc9e361ee038641.exe	30
PID 2912 wrote to memory of 2076	2912	5b55d6c34fb68f8b4bc9e361ee038641.exe	30
PID 2912 wrote to memory of 2076	2912	5b55d6c34fb68f8b4bc9e361ee038641.exe	30
PID 2912 wrote to memory of 2076	2912	5b55d6c34fb68f8b4bc9e361ee038641.exe	30
PID 2912 wrote to memory of 2076	2912	5b55d6c34fb68f8b4bc9e361ee038641.exe	30
PID 2912 wrote to memory of 2076	2912	5b55d6c34fb68f8b4bc9e361ee038641.exe	30
PID 2912 wrote to memory of 2076	2912	5b55d6c34fb68f8b4bc9e361ee038641.exe	30
PID 2912 wrote to memory of 2076	2912	5b55d6c34fb68f8b4bc9e361ee038641.exe	30

C:\Users\Admin\AppData\Local\Temp\5b55d6c34fb68f8b4bc9e361ee038641.exe
"C:\Users\Admin\AppData\Local\Temp\5b55d6c34fb68f8b4bc9e361ee038641.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2912
- C:\Users\Admin\AppData\Local\Temp\5b55d6c34fb68f8b4bc9e361ee038641.exe
  C:\Users\Admin\AppData\Local\Temp\5b55d6c34fb68f8b4bc9e361ee038641.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2076

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/2912-0-0x0000000000A70000-0x0000000000B22000-memory.dmp

Filesize
712KB

Download
memory/2912-1-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download
memory/2912-2-0x0000000004A70000-0x0000000004AB0000-memory.dmp

Filesize
256KB

Download
memory/2912-3-0x0000000005B10000-0x0000000005BB8000-memory.dmp

Filesize
672KB

Download
memory/2912-4-0x0000000004550000-0x00000000045C2000-memory.dmp

Filesize
456KB

Download
memory/2912-5-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download
memory/2912-6-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-7-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-9-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-11-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-13-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-15-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-17-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-19-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-21-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-23-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-25-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-27-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-29-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-31-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-33-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-35-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-37-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-39-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-41-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-43-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-45-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-49-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-47-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-55-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-53-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-51-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-57-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-59-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-61-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-63-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-65-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-67-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-69-0x0000000004550000-0x00000000045BC000-memory.dmp

Filesize
432KB

Download
memory/2912-554-0x0000000004A70000-0x0000000004AB0000-memory.dmp

Filesize
256KB

Download
memory/2912-2210-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download