zgrat | 1f64bc9469a33c77561e22beea18d9bbdd343dae89bc6f02bc85e24873d93f4e

Resubmissions

05-05-2024 02:01

240505-cfwftaed23 10

03-03-2024 18:34

240303-w76kmseh68 10

03-03-2024 18:33

240303-w7jqwaeb8v 10

03-03-2024 18:30

240303-w5g49seg83 10

Analysis

max time kernel
93s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
03-03-2024 18:34

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Report Analysis Logs

General

Target

2fa8c24b42f6542a290d85a9a3723e2a.exe
Size

328KB
MD5

2fa8c24b42f6542a290d85a9a3723e2a
SHA1

d7a518d0d6eae7732a59c6a7c397f0777d111255
SHA256

1f64bc9469a33c77561e22beea18d9bbdd343dae89bc6f02bc85e24873d93f4e
SHA512

764731d7ac9329083fc3a3db505b12c0a0f63ef3de3f07db80ebaab237a698b980961daaaa6b14b49ea63f93d5a848e81de6a50898c36f8609109c3ef70dc6db
SSDEEP

6144:3eY+jinF8jE9sKKegRcd2cS8ADT+5amtQuicddRp:fJf5vr9AuYOp

Score

10^/10

zgrat rat spyware stealer

Malware Config

Signatures

Detect ZGRat V1 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2344-0-0x0000000000F80000-0x0000000000FD4000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

RegAsm.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation RegAsm.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

21 ip-api.com
Suspicious use of SetThreadContext 1 IoCs

Processes:

2fa8c24b42f6542a290d85a9a3723e2a.exe

description pid process target process

PID 2344 set thread context of 1936 2344 2fa8c24b42f6542a290d85a9a3723e2a.exe RegAsm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2360 PING.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 1936 RegAsm.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	RegAsm.exe

flow	ioc
21	ip-api.com

description	pid	process	target process
PID 2344 set thread context of 1936	2344	2fa8c24b42f6542a290d85a9a3723e2a.exe	RegAsm.exe

pid	process
2360	PING.EXE

description	pid	process
Token: SeDebugPrivilege	1936	RegAsm.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

2fa8c24b42f6542a290d85a9a3723e2a.exeRegAsm.execmd.exe

description	pid	process	target process
PID 2344 wrote to memory of 3000	2344	2fa8c24b42f6542a290d85a9a3723e2a.exe	RegAsm.exe
PID 2344 wrote to memory of 3000	2344	2fa8c24b42f6542a290d85a9a3723e2a.exe	RegAsm.exe
PID 2344 wrote to memory of 3000	2344	2fa8c24b42f6542a290d85a9a3723e2a.exe	RegAsm.exe
PID 2344 wrote to memory of 840	2344	2fa8c24b42f6542a290d85a9a3723e2a.exe	RegAsm.exe
PID 2344 wrote to memory of 840	2344	2fa8c24b42f6542a290d85a9a3723e2a.exe	RegAsm.exe
PID 2344 wrote to memory of 840	2344	2fa8c24b42f6542a290d85a9a3723e2a.exe	RegAsm.exe
PID 2344 wrote to memory of 1936	2344	2fa8c24b42f6542a290d85a9a3723e2a.exe	RegAsm.exe
PID 2344 wrote to memory of 1936	2344	2fa8c24b42f6542a290d85a9a3723e2a.exe	RegAsm.exe
PID 2344 wrote to memory of 1936	2344	2fa8c24b42f6542a290d85a9a3723e2a.exe	RegAsm.exe
PID 2344 wrote to memory of 1936	2344	2fa8c24b42f6542a290d85a9a3723e2a.exe	RegAsm.exe
PID 2344 wrote to memory of 1936	2344	2fa8c24b42f6542a290d85a9a3723e2a.exe	RegAsm.exe
PID 2344 wrote to memory of 1936	2344	2fa8c24b42f6542a290d85a9a3723e2a.exe	RegAsm.exe
PID 2344 wrote to memory of 1936	2344	2fa8c24b42f6542a290d85a9a3723e2a.exe	RegAsm.exe
PID 2344 wrote to memory of 1936	2344	2fa8c24b42f6542a290d85a9a3723e2a.exe	RegAsm.exe
PID 1936 wrote to memory of 2880	1936	RegAsm.exe	cmd.exe
PID 1936 wrote to memory of 2880	1936	RegAsm.exe	cmd.exe
PID 1936 wrote to memory of 2880	1936	RegAsm.exe	cmd.exe
PID 2880 wrote to memory of 2360	2880	cmd.exe	PING.EXE
PID 2880 wrote to memory of 2360	2880	cmd.exe	PING.EXE
PID 2880 wrote to memory of 2360	2880	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\2fa8c24b42f6542a290d85a9a3723e2a.exe
"C:\Users\Admin\AppData\Local\Temp\2fa8c24b42f6542a290d85a9a3723e2a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:3000
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:840
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1936
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\delete.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2880
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 2
      4⤵
      Runs ping.exe
      PID:2360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\delete.bat

Filesize
154B

MD5
fc7814d37c2c33c99754f0872f113bb7

SHA1
a0fccd951eb74bce77dfbd69180d7b140a28ba68

SHA256
f15bcd8b8a067a2b2785fae54701fe001242e05412e2cf062cb91bd48d912d49

SHA512
900e292acf1caeb09755685b5096fb72c2c0fc5f9ae41a63e2dfbee00004bd2ed7be55c223bac3b19b837823add48b6876568f4c69fb407b132b6f46583ebce2

Download Submit
memory/1936-13-0x0000000006130000-0x00000000061C2000-memory.dmp

Filesize
584KB

Download
memory/1936-5-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1936-8-0x0000000002910000-0x000000000292A000-memory.dmp

Filesize
104KB

Download
memory/1936-11-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/1936-12-0x0000000005450000-0x00000000059F4000-memory.dmp

Filesize
5.6MB

Download
memory/1936-14-0x00000000061D0000-0x0000000006236000-memory.dmp

Filesize
408KB

Download
memory/1936-22-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2344-2-0x00000000059E0000-0x00000000059F0000-memory.dmp

Filesize
64KB

Download
memory/2344-9-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2344-10-0x00000000033C0000-0x00000000053C0000-memory.dmp

Filesize
32.0MB

Download
memory/2344-0-0x0000000000F80000-0x0000000000FD4000-memory.dmp

Filesize
336KB

Download
memory/2344-1-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2344-24-0x00000000033C0000-0x00000000053C0000-memory.dmp

Filesize
32.0MB

Download