blustealer | b6df7c082c500ca77f9530f0b6954d6d8d997ff3565bd2be5f18d3363d50d7e0

Analysis

max time kernel
133s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
20-01-2024 09:07

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General

Target

6a07df8810ab9c4141ad36279d406b96.exe
Size

661KB
MD5

6a07df8810ab9c4141ad36279d406b96
SHA1

dfb0108fdc4ccb0fb10090a51ef1685f6efc0b53
SHA256

b6df7c082c500ca77f9530f0b6954d6d8d997ff3565bd2be5f18d3363d50d7e0
SHA512

fd0f343b531adc7374c2963f3dd4abea9006f06130c5883a75129046d5883db573194e93f92f98df9458fbf8255ffdb31b2f8f8115cd37b6398626fe5e9dfc48
SSDEEP

12288:bUQDjg+65t+UW19qnOVPLQz3qeeitZJ9xrhNgL+H6IBOjwPeMK:bnyWPxVPLlzI1rhqyJUWeM

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/4004-7-0x0000000006820000-0x0000000006886000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-9-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-8-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-21-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-19-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-25-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-23-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-17-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-27-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-33-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-37-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-45-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-49-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-47-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-43-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-51-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-57-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-59-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-55-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-61-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-53-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-67-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-71-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-69-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-65-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-63-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-41-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-39-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-35-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-31-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-29-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-15-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-13-0x0000000006820000-0x0000000006881000-memory.dmp	family_zgrat_v1
behavioral2/memory/4004-11-0x0000000006820000-0x0000000006881000-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\""	6a07df8810ab9c4141ad36279d406b96.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4004 set thread context of 1244	4004	6a07df8810ab9c4141ad36279d406b96.exe	102

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4004	6a07df8810ab9c4141ad36279d406b96.exe
4004	6a07df8810ab9c4141ad36279d406b96.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4004	6a07df8810ab9c4141ad36279d406b96.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1244	6a07df8810ab9c4141ad36279d406b96.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 1244	4004	6a07df8810ab9c4141ad36279d406b96.exe	102
PID 4004 wrote to memory of 1244	4004	6a07df8810ab9c4141ad36279d406b96.exe	102
PID 4004 wrote to memory of 1244	4004	6a07df8810ab9c4141ad36279d406b96.exe	102
PID 4004 wrote to memory of 1244	4004	6a07df8810ab9c4141ad36279d406b96.exe	102
PID 4004 wrote to memory of 1244	4004	6a07df8810ab9c4141ad36279d406b96.exe	102
PID 4004 wrote to memory of 1244	4004	6a07df8810ab9c4141ad36279d406b96.exe	102
PID 4004 wrote to memory of 1244	4004	6a07df8810ab9c4141ad36279d406b96.exe	102
PID 4004 wrote to memory of 1244	4004	6a07df8810ab9c4141ad36279d406b96.exe	102

C:\Users\Admin\AppData\Local\Temp\6a07df8810ab9c4141ad36279d406b96.exe
"C:\Users\Admin\AppData\Local\Temp\6a07df8810ab9c4141ad36279d406b96.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4004
- C:\Users\Admin\AppData\Local\Temp\6a07df8810ab9c4141ad36279d406b96.exe
  C:\Users\Admin\AppData\Local\Temp\6a07df8810ab9c4141ad36279d406b96.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1244

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/1244-1955-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1244-1957-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/4004-51-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-5-0x00000000050A0000-0x00000000050AA000-memory.dmp

Filesize
40KB

Download
memory/4004-4-0x0000000005000000-0x0000000005010000-memory.dmp

Filesize
64KB

Download
memory/4004-57-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-6-0x0000000006400000-0x00000000064A2000-memory.dmp

Filesize
648KB

Download
memory/4004-7-0x0000000006820000-0x0000000006886000-memory.dmp

Filesize
408KB

Download
memory/4004-9-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-8-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-21-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-19-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-0-0x0000000000720000-0x00000000007CC000-memory.dmp

Filesize
688KB

Download
memory/4004-23-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-59-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-27-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-33-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-37-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-45-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-49-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-47-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-43-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-25-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-3-0x0000000005140000-0x00000000051D2000-memory.dmp

Filesize
584KB

Download
memory/4004-17-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-55-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-61-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-53-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-67-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-71-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-69-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-65-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-63-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-41-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-39-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-35-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-31-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-29-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-15-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-13-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-11-0x0000000006820000-0x0000000006881000-memory.dmp

Filesize
388KB

Download
memory/4004-301-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4004-1856-0x0000000005000000-0x0000000005010000-memory.dmp

Filesize
64KB

Download
memory/4004-2-0x0000000005650000-0x0000000005BF4000-memory.dmp

Filesize
5.6MB

Download
memory/4004-1954-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4004-1-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download