zgrat | b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0

General

Target

b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe
Size

791KB
MD5

8eb6ed01392a5cbba283febd7c9aa16a
SHA1

d472f8b50f8a9a6e583262f326a57927d9df940c
SHA256

b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0
SHA512

e6f08c9036df0f8c7f38895f4bbf240d796b8da9838ac87c67c56122361675462844a99fed386856a09744d4beaba7f81431619696cea959f93dc0de1962151a
SSDEEP

12288:SaEg+LSgoEJHE6QxTZbZQIPqeEMbZO6MGomMRPArytpfoA:SaEgVrEJCTZlQISeEoq1J3pfx

Score

10^/10

zgrat execution rat

Malware Config

Signatures

Detect ZGRat V1 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4472-3-0x000000001CCB0000-0x000000001CD64000-memory.dmp	family_zgrat_v1
behavioral2/memory/2800-27-0x00000000032E0000-0x00000000033E4000-memory.dmp	family_zgrat_v1

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

Drops startup file 2 IoCs

Processes:

Powershell.exe

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

Processes:

b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe

description	pid	process	target process
PID 4472 set thread context of 2800	4472	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
execution

PowerShell
T1059.001

Processes:

Powershell.exe

pid process

1216 Powershell.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Powershell.exe

pid process

1216 Powershell.exe
1216 Powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Powershell.exe

description pid process

Token: SeDebugPrivilege 1216 Powershell.exe

pid	process
1216	Powershell.exe

pid	process
1216	Powershell.exe
1216	Powershell.exe

description	pid	process
Token: SeDebugPrivilege	1216	Powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe

description	pid	process	target process
PID 4472 wrote to memory of 1216	4472	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	Powershell.exe
PID 4472 wrote to memory of 1216	4472	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	Powershell.exe
PID 4472 wrote to memory of 2800	4472	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe
PID 4472 wrote to memory of 2800	4472	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe
PID 4472 wrote to memory of 2800	4472	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe
PID 4472 wrote to memory of 2800	4472	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe
PID 4472 wrote to memory of 2800	4472	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe
PID 4472 wrote to memory of 2800	4472	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe

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:4472
- 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:1216
- C:\Users\Admin\AppData\Local\Temp\b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe
  C:\Users\Admin\AppData\Local\Temp\b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe
  2⤵
  PID:2800

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe.log

Filesize
1KB

MD5
1ffb6c38353a8d7a11fd1b0a3480ac5d

SHA1
32d622aae7c022fe9fa7d22efb9c8a184ae3032c

SHA256
3d7b67a6de3a663d825fc385677fcd577498a582ed616c899765392f191ddb13

SHA512
b8b781ea9222a86087e63ad70732b3921f85ecbbf6facb940b2f8ab797b5624534af48a4eeae4b35ecb6bcc7cea5a42bb090e6d7041bd6d065044a81e1ea8395

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qct3ajqd.gd1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1216-11-0x00000218A9480000-0x00000218A94A2000-memory.dmp

Filesize
136KB

Download
memory/1216-22-0x00007FFA94B30000-0x00007FFA955F1000-memory.dmp

Filesize
10.8MB

Download
memory/1216-18-0x00007FFA94B30000-0x00007FFA955F1000-memory.dmp

Filesize
10.8MB

Download
memory/1216-17-0x00007FFA94B30000-0x00007FFA955F1000-memory.dmp

Filesize
10.8MB

Download
memory/1216-16-0x00007FFA94B30000-0x00007FFA955F1000-memory.dmp

Filesize
10.8MB

Download
memory/2800-27-0x00000000032E0000-0x00000000033E4000-memory.dmp

Filesize
1.0MB

Download
memory/2800-23-0x0000000140000000-0x00000001400A2000-memory.dmp

Filesize
648KB

Download
memory/2800-28-0x00007FFA94B30000-0x00007FFA955F1000-memory.dmp

Filesize
10.8MB

Download
memory/2800-29-0x0000000003480000-0x00000000034D6000-memory.dmp

Filesize
344KB

Download
memory/2800-30-0x00000000034E0000-0x000000000352C000-memory.dmp

Filesize
304KB

Download
memory/2800-31-0x00007FFA94B30000-0x00007FFA955F1000-memory.dmp

Filesize
10.8MB

Download
memory/4472-5-0x0000000001DC0000-0x0000000001DDE000-memory.dmp

Filesize
120KB

Download
memory/4472-4-0x00007FFA94B30000-0x00007FFA955F1000-memory.dmp

Filesize
10.8MB

Download
memory/4472-3-0x000000001CCB0000-0x000000001CD64000-memory.dmp

Filesize
720KB

Download
memory/4472-2-0x00000000027A0000-0x0000000002816000-memory.dmp

Filesize
472KB

Download
memory/4472-1-0x0000000000ED0000-0x0000000000F9A000-memory.dmp

Filesize
808KB

Download
memory/4472-0-0x00007FFA94B33000-0x00007FFA94B35000-memory.dmp

Filesize
8KB

Download
memory/4472-26-0x00007FFA94B30000-0x00007FFA955F1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads