zgrat | 6bc8675f1ecde91d6e90535aa18a328288ee6b3f09f68d2c159eb271e817f638

Analysis

max time kernel
141s
max time network
149s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
14-05-2024 10:41

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General

Target

NEW ENQUIRY.scr.exe
Size

5.9MB
MD5

cea3bd36e98356634a90abb7e89a7c87
SHA1

18d9dcea711835f80d7a5a42ae8d1011afa211d9
SHA256

6bc8675f1ecde91d6e90535aa18a328288ee6b3f09f68d2c159eb271e817f638
SHA512

4db4d6d462837674ce9c1525974e82faec4c982515072ff6e55a84796edc2252e39f9776a2e1cf0a278c7226d7d86cde5bf2e305e7442e1f1cba6dc8c5b3aed0
SSDEEP

24576:n+c2eZywo6zluOifT5VaXTKlw665Y9jdPXpBRYsHkDVhlYj0FOcwJQigeIE4L51S:

Score

10^/10

zgrat rat

Malware Config

Signatures

Detect ZGRat V1 34 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1560-2-0x0000000006530000-0x000000000681A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-3-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-8-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-6-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-4-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-18-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-16-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-14-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-12-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-10-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-20-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-22-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-24-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-28-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-26-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-30-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-32-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-34-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-36-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-38-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-40-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-42-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-46-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-44-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-48-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-50-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-52-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-54-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-56-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-58-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-60-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-62-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-64-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1
behavioral1/memory/1560-66-0x0000000006530000-0x0000000006814000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
Suspicious use of SetThreadContext 1 IoCs

Processes:

NEW ENQUIRY.scr.exe

description pid process target process

PID 1560 set thread context of 3424 1560 NEW ENQUIRY.scr.exe MSBuild.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

3388 powershell.exe

description	pid	process	target process
PID 1560 set thread context of 3424	1560	NEW ENQUIRY.scr.exe	MSBuild.exe

pid	process
3388	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

NEW ENQUIRY.scr.exeMSBuild.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1560	NEW ENQUIRY.scr.exe
Token: SeDebugPrivilege	1560	NEW ENQUIRY.scr.exe
Token: SeDebugPrivilege	3424	MSBuild.exe
Token: SeDebugPrivilege	3388	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

NEW ENQUIRY.scr.exe

description	pid	process	target process
PID 1560 wrote to memory of 3388	1560	NEW ENQUIRY.scr.exe	powershell.exe
PID 1560 wrote to memory of 3388	1560	NEW ENQUIRY.scr.exe	powershell.exe
PID 1560 wrote to memory of 3388	1560	NEW ENQUIRY.scr.exe	powershell.exe
PID 1560 wrote to memory of 3388	1560	NEW ENQUIRY.scr.exe	powershell.exe
PID 1560 wrote to memory of 3424	1560	NEW ENQUIRY.scr.exe	MSBuild.exe
PID 1560 wrote to memory of 3424	1560	NEW ENQUIRY.scr.exe	MSBuild.exe
PID 1560 wrote to memory of 3424	1560	NEW ENQUIRY.scr.exe	MSBuild.exe
PID 1560 wrote to memory of 3424	1560	NEW ENQUIRY.scr.exe	MSBuild.exe
PID 1560 wrote to memory of 3424	1560	NEW ENQUIRY.scr.exe	MSBuild.exe
PID 1560 wrote to memory of 3424	1560	NEW ENQUIRY.scr.exe	MSBuild.exe
PID 1560 wrote to memory of 3424	1560	NEW ENQUIRY.scr.exe	MSBuild.exe
PID 1560 wrote to memory of 3424	1560	NEW ENQUIRY.scr.exe	MSBuild.exe
PID 1560 wrote to memory of 3424	1560	NEW ENQUIRY.scr.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\NEW ENQUIRY.scr.exe
"C:\Users\Admin\AppData\Local\Temp\NEW ENQUIRY.scr.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1560
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwATgBFAFcAIABFAE4AUQBVAEkAUgBZAC4AcwBjAHIALgBlAHgAZQA7ACAAQQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUAByAG8AYwBlAHMAcwAgAE4ARQBXACAARQBOAFEAVQBJAFIAWQAuAHMAYwByAC4AZQB4AGUAOwA=
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3388
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3424

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1560-0-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/1560-1-0x0000000000AA0000-0x0000000001090000-memory.dmp

Filesize
5.9MB

Download
memory/1560-2-0x0000000006530000-0x000000000681A000-memory.dmp

Filesize
2.9MB

Download
memory/1560-3-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-8-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-6-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-4-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-18-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-16-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-14-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-12-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-10-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-20-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-22-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-24-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-28-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-26-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-30-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-32-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-34-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-36-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-38-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-40-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-42-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-46-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-44-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-48-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-50-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-52-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-54-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-56-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-58-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-60-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-62-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-64-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-66-0x0000000006530000-0x0000000006814000-memory.dmp

Filesize
2.9MB

Download
memory/1560-4884-0x00000000025B0000-0x00000000025FC000-memory.dmp

Filesize
304KB

Download
memory/1560-4883-0x0000000008220000-0x0000000008348000-memory.dmp

Filesize
1.2MB

Download
memory/1560-4885-0x00000000048B0000-0x0000000004904000-memory.dmp

Filesize
336KB

Download
memory/3424-4900-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/3424-4901-0x00000000047E0000-0x00000000048F6000-memory.dmp

Filesize
1.1MB

Download
memory/3424-7222-0x0000000000DB0000-0x0000000000E4E000-memory.dmp

Filesize
632KB

Download