zgrat | 6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f

Analysis

max time kernel
130s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
12-05-2024 19:26

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General

Target

7C12D48DF8F08A95701197C514269A50.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 2 IoCs

resource	yara_rule
behavioral2/memory/1204-1-0x0000000000010000-0x00000000001C2000-memory.dmp	family_zgrat_v1
behavioral2/files/0x000700000002341f-18.dat	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	7C12D48DF8F08A95701197C514269A50.exe

Executes dropped EXE 1 IoCs

pid	Process
368	backgroundTaskHost.exe

Drops file in Program Files directory 6 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\RuntimeBroker.exe	7C12D48DF8F08A95701197C514269A50.exe
File created	C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\9e8d7a4ca61bd9	7C12D48DF8F08A95701197C514269A50.exe
File created	C:\Program Files (x86)\Windows Photo Viewer\de-DE\RuntimeBroker.exe	7C12D48DF8F08A95701197C514269A50.exe
File created	C:\Program Files (x86)\Windows Photo Viewer\de-DE\9e8d7a4ca61bd9	7C12D48DF8F08A95701197C514269A50.exe
File created	C:\Program Files (x86)\Windows Multimedia Platform\fontdrvhost.exe	7C12D48DF8F08A95701197C514269A50.exe
File created	C:\Program Files (x86)\Windows Multimedia Platform\5b884080fd4f94	7C12D48DF8F08A95701197C514269A50.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\ServiceState\EventLog\dllhost.exe	7C12D48DF8F08A95701197C514269A50.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000_Classes\Local Settings	7C12D48DF8F08A95701197C514269A50.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
688	PING.EXE

Suspicious behavior: EnumeratesProcesses 54 IoCs

pid	Process
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
1204	7C12D48DF8F08A95701197C514269A50.exe
368	backgroundTaskHost.exe
368	backgroundTaskHost.exe
368	backgroundTaskHost.exe
368	backgroundTaskHost.exe
368	backgroundTaskHost.exe
368	backgroundTaskHost.exe
368	backgroundTaskHost.exe
368	backgroundTaskHost.exe
368	backgroundTaskHost.exe
368	backgroundTaskHost.exe
368	backgroundTaskHost.exe
368	backgroundTaskHost.exe
368	backgroundTaskHost.exe
368	backgroundTaskHost.exe
368	backgroundTaskHost.exe
368	backgroundTaskHost.exe
368	backgroundTaskHost.exe
368	backgroundTaskHost.exe
368	backgroundTaskHost.exe
368	backgroundTaskHost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
368	backgroundTaskHost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1204	7C12D48DF8F08A95701197C514269A50.exe
Token: SeDebugPrivilege	368	backgroundTaskHost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 4568	1204	7C12D48DF8F08A95701197C514269A50.exe	85
PID 1204 wrote to memory of 4568	1204	7C12D48DF8F08A95701197C514269A50.exe	85
PID 4568 wrote to memory of 632	4568	cmd.exe	87
PID 4568 wrote to memory of 632	4568	cmd.exe	87
PID 4568 wrote to memory of 688	4568	cmd.exe	88
PID 4568 wrote to memory of 688	4568	cmd.exe	88
PID 4568 wrote to memory of 368	4568	cmd.exe	92
PID 4568 wrote to memory of 368	4568	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\7C12D48DF8F08A95701197C514269A50.exe
"C:\Users\Admin\AppData\Local\Temp\7C12D48DF8F08A95701197C514269A50.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\SoqKOWyve6.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4568
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:632
- - C:\Windows\system32\PING.EXE
    ping -n 10 localhost
    3⤵
    - Runs ping.exe
    PID:688
- - C:\Recovery\WindowsRE\backgroundTaskHost.exe
    "C:\Recovery\WindowsRE\backgroundTaskHost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Recovery\WindowsRE\backgroundTaskHost.exe

Filesize
1.7MB

MD5
7c12d48df8f08a95701197c514269a50

SHA1
4f99360c54ad2cce0afe14ddb37697f6777795c8

SHA256
6ef54df3017339537b7649647096dcbc2b9fefea5b49776d8c80c38726b3698f

SHA512
37ed65a444ceba50af00e7570856cf3ae275bdbcb2acf6b72e0c3d3a6ba0361f0e1bf93ef1ae7a011dfc670c9840c43d88978c114f9f688bac1eff8f6d83b80d

Download Submit
C:\Users\Admin\AppData\Local\Temp\SoqKOWyve6.bat

Filesize
172B

MD5
2320a5d889b14e2f0b8d178f455f593c

SHA1
d222b8ee902354e143cea308c9bced0793f5995d

SHA256
efb245b802449de74000fed047abf34c3c4800ac07d6fb63893393a82fb26d90

SHA512
3bc9d6b926410b60d28a02fa3b7ce3cf6739c69e360879c3f60d7511e0f4b4a7cbccddff063e34aca483096eba6f8daf5f21b20e86346777e62233d64ed19373

Download Submit
memory/368-38-0x00007FFBF0530000-0x00007FFBF0FF1000-memory.dmp

Filesize
10.8MB

Download
memory/368-37-0x00007FFBF0530000-0x00007FFBF0FF1000-memory.dmp

Filesize
10.8MB

Download
memory/368-36-0x00007FFBF0530000-0x00007FFBF0FF1000-memory.dmp

Filesize
10.8MB

Download
memory/368-34-0x00007FFBF0530000-0x00007FFBF0FF1000-memory.dmp

Filesize
10.8MB

Download
memory/368-33-0x00007FFBF0530000-0x00007FFBF0FF1000-memory.dmp

Filesize
10.8MB

Download
memory/368-32-0x00007FFBF0530000-0x00007FFBF0FF1000-memory.dmp

Filesize
10.8MB

Download
memory/1204-6-0x0000000002410000-0x000000000242C000-memory.dmp

Filesize
112KB

Download
memory/1204-9-0x00007FFBF0A00000-0x00007FFBF14C1000-memory.dmp

Filesize
10.8MB

Download
memory/1204-20-0x00007FFBF0A00000-0x00007FFBF14C1000-memory.dmp

Filesize
10.8MB

Download
memory/1204-24-0x00007FFBF0A00000-0x00007FFBF14C1000-memory.dmp

Filesize
10.8MB

Download
memory/1204-8-0x00007FFBF0A00000-0x00007FFBF14C1000-memory.dmp

Filesize
10.8MB

Download
memory/1204-28-0x00007FFBF0A00000-0x00007FFBF14C1000-memory.dmp

Filesize
10.8MB

Download
memory/1204-7-0x000000001AFC0000-0x000000001B010000-memory.dmp

Filesize
320KB

Download
memory/1204-0-0x00007FFBF0A03000-0x00007FFBF0A05000-memory.dmp

Filesize
8KB

Download
memory/1204-4-0x00007FFBF0A00000-0x00007FFBF14C1000-memory.dmp

Filesize
10.8MB

Download
memory/1204-3-0x00007FFBF0A00000-0x00007FFBF14C1000-memory.dmp

Filesize
10.8MB

Download
memory/1204-2-0x00007FFBF0A00000-0x00007FFBF14C1000-memory.dmp

Filesize
10.8MB

Download
memory/1204-1-0x0000000000010000-0x00000000001C2000-memory.dmp

Filesize
1.7MB

Download