blustealer | d4ac60606ebb8df8a2b8d311c9262442978eeb65067e8940283e3a132efb2525

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2024 23:39

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General

Target

78b2374d9d1810345aa8633ba8282a57.exe
Size

740KB
MD5

78b2374d9d1810345aa8633ba8282a57
SHA1

4661b629995f3c4110b66afd4df827870923e47c
SHA256

d4ac60606ebb8df8a2b8d311c9262442978eeb65067e8940283e3a132efb2525
SHA512

7c65e51e28b884c948410f237e9e21e3a055b399373b97169327049480b36f5d9c2bc8bc2c6d037eb2a4cfea47b679868e35ad92275a5c314a94abc7209bf647
SSDEEP

12288:+4JQ/AKt4AXV5nLrrxeK0wBl7zCzbJqmyegzGHFWGpqqENvK0rCIkEytW3spU1:9J+tBXV5n506CzvgyHUu7ENy0rdkEk61

Score

10^/10

blustealer zgrat persistence rat stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
bojtai.xyz
Port:
587
Username:
[email protected]
Password:
(mr.GT^Eg#C6

Signatures

BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral2/memory/4032-9-0x0000000005FB0000-0x0000000006028000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-11-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-10-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-15-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-13-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-17-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-19-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-21-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-25-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-23-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-27-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-33-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-31-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-29-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-37-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-39-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-35-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-41-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-65-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-67-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-73-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-71-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-69-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-63-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-61-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-59-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-57-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-55-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-53-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-51-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-49-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-47-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-45-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1
behavioral2/memory/4032-43-0x0000000005FB0000-0x0000000006023000-memory.dmp	family_zgrat_v1

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paint = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\paint\\paint.exe\""	78b2374d9d1810345aa8633ba8282a57.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4032 set thread context of 1432	4032	78b2374d9d1810345aa8633ba8282a57.exe	97

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4032	78b2374d9d1810345aa8633ba8282a57.exe
4032	78b2374d9d1810345aa8633ba8282a57.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4032	78b2374d9d1810345aa8633ba8282a57.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1432	78b2374d9d1810345aa8633ba8282a57.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4032 wrote to memory of 1432	4032	78b2374d9d1810345aa8633ba8282a57.exe	97
PID 4032 wrote to memory of 1432	4032	78b2374d9d1810345aa8633ba8282a57.exe	97
PID 4032 wrote to memory of 1432	4032	78b2374d9d1810345aa8633ba8282a57.exe	97
PID 4032 wrote to memory of 1432	4032	78b2374d9d1810345aa8633ba8282a57.exe	97
PID 4032 wrote to memory of 1432	4032	78b2374d9d1810345aa8633ba8282a57.exe	97
PID 4032 wrote to memory of 1432	4032	78b2374d9d1810345aa8633ba8282a57.exe	97
PID 4032 wrote to memory of 1432	4032	78b2374d9d1810345aa8633ba8282a57.exe	97
PID 4032 wrote to memory of 1432	4032	78b2374d9d1810345aa8633ba8282a57.exe	97

C:\Users\Admin\AppData\Local\Temp\78b2374d9d1810345aa8633ba8282a57.exe
"C:\Users\Admin\AppData\Local\Temp\78b2374d9d1810345aa8633ba8282a57.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4032
- C:\Users\Admin\AppData\Local\Temp\78b2374d9d1810345aa8633ba8282a57.exe
  C:\Users\Admin\AppData\Local\Temp\78b2374d9d1810345aa8633ba8282a57.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1432-2411-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1432-2413-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/4032-39-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-1-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4032-4-0x0000000004A90000-0x0000000004AA0000-memory.dmp

Filesize
64KB

Download
memory/4032-5-0x0000000004B70000-0x0000000004B7A000-memory.dmp

Filesize
40KB

Download
memory/4032-6-0x0000000006230000-0x00000000062A6000-memory.dmp

Filesize
472KB

Download
memory/4032-7-0x0000000005E20000-0x0000000005ECA000-memory.dmp

Filesize
680KB

Download
memory/4032-8-0x0000000005EF0000-0x0000000005F0E000-memory.dmp

Filesize
120KB

Download
memory/4032-9-0x0000000005FB0000-0x0000000006028000-memory.dmp

Filesize
480KB

Download
memory/4032-11-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-10-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-15-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-13-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-17-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-19-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-21-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-25-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-0-0x00000000000A0000-0x000000000015C000-memory.dmp

Filesize
752KB

Download
memory/4032-27-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-33-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-31-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-29-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-37-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-41-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-3-0x0000000004BC0000-0x0000000004C52000-memory.dmp

Filesize
584KB

Download
memory/4032-23-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-65-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-67-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-73-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-71-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-69-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-63-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-61-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-59-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-57-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-55-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-53-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-215-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4032-51-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-49-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-47-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-45-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-43-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-1608-0x0000000004A90000-0x0000000004AA0000-memory.dmp

Filesize
64KB

Download
memory/4032-2-0x0000000005170000-0x0000000005714000-memory.dmp

Filesize
5.6MB

Download
memory/4032-35-0x0000000005FB0000-0x0000000006023000-memory.dmp

Filesize
460KB

Download
memory/4032-2410-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download