zgrat | b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0

General

Target

b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe
Size

791KB
MD5

8eb6ed01392a5cbba283febd7c9aa16a
SHA1

d472f8b50f8a9a6e583262f326a57927d9df940c
SHA256

b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0
SHA512

e6f08c9036df0f8c7f38895f4bbf240d796b8da9838ac87c67c56122361675462844a99fed386856a09744d4beaba7f81431619696cea959f93dc0de1962151a
SSDEEP

12288:SaEg+LSgoEJHE6QxTZbZQIPqeEMbZO6MGomMRPArytpfoA:SaEgVrEJCTZlQISeEoq1J3pfx

Score

10^/10

Malware Config

Signatures

Detect ZGRat V1 2 IoCs

resource	yara_rule
behavioral1/memory/2084-3-0x0000000002310000-0x00000000023C4000-memory.dmp	family_zgrat_v1
behavioral1/memory/2756-25-0x000000001B450000-0x000000001B554000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Sys.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Sys.exe	Powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2084 set thread context of 2756	2084	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	30

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1720	Powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1720	Powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1720	Powershell.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 1720	2084	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	28
PID 2084 wrote to memory of 1720	2084	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	28
PID 2084 wrote to memory of 1720	2084	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	28
PID 2084 wrote to memory of 2756	2084	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	30
PID 2084 wrote to memory of 2756	2084	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	30
PID 2084 wrote to memory of 2756	2084	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	30
PID 2084 wrote to memory of 2756	2084	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	30
PID 2084 wrote to memory of 2756	2084	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	30
PID 2084 wrote to memory of 2756	2084	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	30
PID 2084 wrote to memory of 2756	2084	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	30

C:\Users\Admin\AppData\Local\Temp\b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe
"C:\Users\Admin\AppData\Local\Temp\b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\System32\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Sys.exe'
  2⤵
  - Drops startup file
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1720
- C:\Users\Admin\AppData\Local\Temp\b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe
  C:\Users\Admin\AppData\Local\Temp\b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe
  2⤵
  PID:2756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1720-15-0x000007FEED970000-0x000007FEEE30D000-memory.dmp

Filesize
9.6MB

Download
memory/1720-14-0x00000000028D4000-0x00000000028D7000-memory.dmp

Filesize
12KB

Download
memory/1720-16-0x000007FEED970000-0x000007FEEE30D000-memory.dmp

Filesize
9.6MB

Download
memory/1720-12-0x000007FEED970000-0x000007FEEE30D000-memory.dmp

Filesize
9.6MB

Download
memory/1720-8-0x000007FEEDC2E000-0x000007FEEDC2F000-memory.dmp

Filesize
4KB

Download
memory/1720-9-0x000000001B620000-0x000000001B902000-memory.dmp

Filesize
2.9MB

Download
memory/1720-10-0x00000000029D0000-0x00000000029D8000-memory.dmp

Filesize
32KB

Download
memory/1720-11-0x000007FEED970000-0x000007FEEE30D000-memory.dmp

Filesize
9.6MB

Download
memory/1720-29-0x000007FEED970000-0x000007FEEE30D000-memory.dmp

Filesize
9.6MB

Download
memory/2084-2-0x000007FEF5C90000-0x000007FEF667C000-memory.dmp

Filesize
9.9MB

Download
memory/2084-1-0x000000013F770000-0x000000013F83A000-memory.dmp

Filesize
808KB

Download
memory/2084-3-0x0000000002310000-0x00000000023C4000-memory.dmp

Filesize
720KB

Download
memory/2084-26-0x000007FEF5C90000-0x000007FEF667C000-memory.dmp

Filesize
9.9MB

Download
memory/2084-0-0x000007FEF5C93000-0x000007FEF5C94000-memory.dmp

Filesize
4KB

Download
memory/2756-19-0x0000000140000000-0x00000001400A2000-memory.dmp

Filesize
648KB

Download
memory/2756-22-0x0000000140000000-0x00000001400A2000-memory.dmp

Filesize
648KB

Download
memory/2756-20-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

Filesize
4KB

Download
memory/2756-17-0x0000000140000000-0x00000001400A2000-memory.dmp

Filesize
648KB

Download
memory/2756-18-0x0000000140000000-0x00000001400A2000-memory.dmp

Filesize
648KB

Download
memory/2756-25-0x000000001B450000-0x000000001B554000-memory.dmp

Filesize
1.0MB

Download
memory/2756-28-0x00000000022C0000-0x000000000230C000-memory.dmp

Filesize
304KB

Download
memory/2756-27-0x00000000021A0000-0x00000000021F6000-memory.dmp

Filesize
344KB

Download

Analysis

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