zgrat | 420e81d42c5661eb857403570125ed35817db3771dc83782b1f5eb94e1d482d1

Analysis

max time kernel
128s
max time network
149s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
14-05-2024 02:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
Size

1.7MB
MD5

7c12d48df8f08a95701197c514269a50
SHA1

4f99360c54ad2cce0afe14ddb37697f6777795c8
SHA256

6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f
SHA512

37ed65a444ceba50af00e7570856cf3ae275bdbcb2acf6b72e0c3d3a6ba0361f0e1bf93ef1ae7a011dfc670c9840c43d88978c114f9f688bac1eff8f6d83b80d
SSDEEP

24576:YciyxcGgPmGJ5CNvo3h9Uzt/RUr0YOnWiqj+7A/X0Vp6W5GuqSD5bdGjPIT9z:YsgB2yoQ4k/ECW5Gu5xdGjPIT9

Score

10^/10

zgrat rat

Malware Config

Signatures

Detect ZGRat V1 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2444-1-0x0000000000CA0000-0x0000000000E52000-memory.dmp	family_zgrat_v1
behavioral1/files/0x0006000000014525-17.dat	family_zgrat_v1
behavioral1/memory/2704-27-0x0000000000D60000-0x0000000000F12000-memory.dmp	family_zgrat_v1

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

Executes dropped EXE 1 IoCs

Processes:

dllhost.exe

pid	Process
2704	dllhost.exe

Drops file in Program Files directory 2 IoCs

Processes:

6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe

description	ioc	Process
File created	C:\Program Files\Windows Journal\de-DE\spoolsv.exe	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
File created	C:\Program Files\Windows Journal\de-DE\f3b6ecef712a24	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.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
2888	PING.EXE

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exedllhost.exe

pid	Process
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
2704	dllhost.exe
2704	dllhost.exe
2704	dllhost.exe
2704	dllhost.exe
2704	dllhost.exe
2704	dllhost.exe
2704	dllhost.exe
2704	dllhost.exe
2704	dllhost.exe
2704	dllhost.exe
2704	dllhost.exe
2704	dllhost.exe
2704	dllhost.exe
2704	dllhost.exe
2704	dllhost.exe
2704	dllhost.exe
2704	dllhost.exe
2704	dllhost.exe
2704	dllhost.exe
2704	dllhost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

dllhost.exe

pid	Process
2704	dllhost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exedllhost.exe

description	pid	Process
Token: SeDebugPrivilege	2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
Token: SeDebugPrivilege	2704	dllhost.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.execmd.exe

description	pid	Process	procid_target
PID 2444 wrote to memory of 2896	2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe	28
PID 2444 wrote to memory of 2896	2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe	28
PID 2444 wrote to memory of 2896	2444	6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe	28
PID 2896 wrote to memory of 2632	2896	cmd.exe	30
PID 2896 wrote to memory of 2632	2896	cmd.exe	30
PID 2896 wrote to memory of 2632	2896	cmd.exe	30
PID 2896 wrote to memory of 2888	2896	cmd.exe	31
PID 2896 wrote to memory of 2888	2896	cmd.exe	31
PID 2896 wrote to memory of 2888	2896	cmd.exe	31
PID 2896 wrote to memory of 2704	2896	cmd.exe	32
PID 2896 wrote to memory of 2704	2896	cmd.exe	32
PID 2896 wrote to memory of 2704	2896	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe
"C:\Users\Admin\AppData\Local\Temp\6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\8Fi2k6Fxqx.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2896
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:2632
- - C:\Windows\system32\PING.EXE
    ping -n 10 localhost
    3⤵
    - Runs ping.exe
    PID:2888
- - C:\Users\Admin\AppData\Roaming\Media Center Programs\dllhost.exe
    "C:\Users\Admin\AppData\Roaming\Media Center Programs\dllhost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:2704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\MSOCache\All Users\wininit.exe

Filesize
1.7MB

MD5
7c12d48df8f08a95701197c514269a50

SHA1
4f99360c54ad2cce0afe14ddb37697f6777795c8

SHA256
6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f

SHA512
37ed65a444ceba50af00e7570856cf3ae275bdbcb2acf6b72e0c3d3a6ba0361f0e1bf93ef1ae7a011dfc670c9840c43d88978c114f9f688bac1eff8f6d83b80d

Download Submit
C:\Users\Admin\AppData\Local\Temp\8Fi2k6Fxqx.bat

Filesize
192B

MD5
94b1702a713b94553be3c08893f2e4f3

SHA1
e1a3d616803a59f51d31c4787c250aa69dc2d3e7

SHA256
f5f9f2ba8384ef8b91c742733b2c5aa7108ee21dc00cfa585ef139cb0087f2fd

SHA512
d8b984e911c020bb9aff709fc9ef6feb2d46f2602066e9b4394c216dd9e2742c85f3ba2207dc6b058b5af55329fe5f2260645aa082c3d5880645647d6d20ea7c

Download Submit
memory/2444-0-0x000007FEF6283000-0x000007FEF6284000-memory.dmp

Filesize
4KB

Download
memory/2444-1-0x0000000000CA0000-0x0000000000E52000-memory.dmp

Filesize
1.7MB

Download
memory/2444-2-0x000007FEF6280000-0x000007FEF6C6C000-memory.dmp

Filesize
9.9MB

Download
memory/2444-3-0x000007FEF6280000-0x000007FEF6C6C000-memory.dmp

Filesize
9.9MB

Download
memory/2444-4-0x000007FEF6280000-0x000007FEF6C6C000-memory.dmp

Filesize
9.9MB

Download
memory/2444-6-0x0000000000720000-0x000000000073C000-memory.dmp

Filesize
112KB

Download
memory/2444-8-0x000007FEF6280000-0x000007FEF6C6C000-memory.dmp

Filesize
9.9MB

Download
memory/2444-7-0x000007FEF6280000-0x000007FEF6C6C000-memory.dmp

Filesize
9.9MB

Download
memory/2444-23-0x000007FEF6280000-0x000007FEF6C6C000-memory.dmp

Filesize
9.9MB

Download
memory/2704-27-0x0000000000D60000-0x0000000000F12000-memory.dmp

Filesize
1.7MB

Download