zgrat | 0bb1f1573597153cfc103837c100ad94a69b1ec04b16d71ad37c5ae30b7fd5a6

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11-05-2024 09:27

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General

Target

SecuriteInfo.com.Trojan.PackedNET.2147.4331.exe
Size

632KB
MD5

39717fb1aedf9d38856d2e9c94304168
SHA1

8d89cd3746585dccf4e2ab0aa921dac3fbefb638
SHA256

0bb1f1573597153cfc103837c100ad94a69b1ec04b16d71ad37c5ae30b7fd5a6
SHA512

09a5faa343abb0ce19e94418f7221ca6425d9f86ffaaed963f7cca7576f8bb079c38e2e63637924ccc8c2de0618cc8217dee8358a231bcbcab3d5a4c356084fd
SSDEEP

12288:LRHWGJEj1S0yB1dk695iqrV/ou71zs9rfB8KIANImH9gF44Aar:FHZEJfc1dkQ51BRgfB8KD3HSLAar

Score

10^/10

zgrat rat

Malware Config

Signatures

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral1/memory/1244-2-0x000000001B500000-0x000000001B604000-memory.dmp	family_zgrat_v1

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

Executes dropped EXE 1 IoCs

pid	Process
2716	Handle.exe

Loads dropped DLL 1 IoCs

pid	Process
2520	taskeng.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2716	Handle.exe
2716	Handle.exe
2716	Handle.exe
2716	Handle.exe
2716	Handle.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1244	SecuriteInfo.com.Trojan.PackedNET.2147.4331.exe
Token: SeDebugPrivilege	2716	Handle.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2716	2520	taskeng.exe	30
PID 2520 wrote to memory of 2716	2520	taskeng.exe	30
PID 2520 wrote to memory of 2716	2520	taskeng.exe	30

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.2147.4331.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.2147.4331.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1244

C:\Windows\system32\taskeng.exe
taskeng.exe {CFACB2F6-DE46-4C25-80CC-33D19E887F4D} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Users\Admin\AppData\Roaming\HasCurrent\Handle.exe
  C:\Users\Admin\AppData\Roaming\HasCurrent\Handle.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Roaming\HasCurrent\Handle.exe

Filesize
632KB

MD5
39717fb1aedf9d38856d2e9c94304168

SHA1
8d89cd3746585dccf4e2ab0aa921dac3fbefb638

SHA256
0bb1f1573597153cfc103837c100ad94a69b1ec04b16d71ad37c5ae30b7fd5a6

SHA512
09a5faa343abb0ce19e94418f7221ca6425d9f86ffaaed963f7cca7576f8bb079c38e2e63637924ccc8c2de0618cc8217dee8358a231bcbcab3d5a4c356084fd

Download Submit
memory/1244-4-0x0000000002390000-0x00000000023E6000-memory.dmp

Filesize
344KB

Download
memory/1244-5-0x0000000000830000-0x000000000087C000-memory.dmp

Filesize
304KB

Download
memory/1244-1-0x000000013F830000-0x000000013F8D2000-memory.dmp

Filesize
648KB

Download
memory/1244-0-0x000007FEF5953000-0x000007FEF5954000-memory.dmp

Filesize
4KB

Download
memory/1244-2-0x000000001B500000-0x000000001B604000-memory.dmp

Filesize
1.0MB

Download
memory/1244-6-0x0000000000990000-0x00000000009E4000-memory.dmp

Filesize
336KB

Download
memory/1244-9-0x000007FEF5950000-0x000007FEF633C000-memory.dmp

Filesize
9.9MB

Download
memory/1244-3-0x000007FEF5950000-0x000007FEF633C000-memory.dmp

Filesize
9.9MB

Download
memory/2716-16-0x000007FEF4F60000-0x000007FEF594C000-memory.dmp

Filesize
9.9MB

Download
memory/2716-15-0x000000013FD40000-0x000000013FDE2000-memory.dmp

Filesize
648KB

Download
memory/2716-14-0x000007FEF4F63000-0x000007FEF4F64000-memory.dmp

Filesize
4KB

Download
memory/2716-17-0x0000000000960000-0x00000000009B4000-memory.dmp

Filesize
336KB

Download
memory/2716-18-0x000007FEF4F60000-0x000007FEF594C000-memory.dmp

Filesize
9.9MB

Download
memory/2716-19-0x000007FEF4F60000-0x000007FEF594C000-memory.dmp

Filesize
9.9MB

Download
memory/2716-20-0x000007FEF4F60000-0x000007FEF594C000-memory.dmp

Filesize
9.9MB

Download
memory/2716-21-0x000007FEF4F63000-0x000007FEF4F64000-memory.dmp

Filesize
4KB

Download
memory/2716-22-0x000007FEF4F60000-0x000007FEF594C000-memory.dmp

Filesize
9.9MB

Download