blustealer | 1fbc3ddcd892c868cab037f43fcee5cd1dd67f5ce0ac882d851603bdc934ec43

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08-03-2024 08:57

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General

Target

bad8d6137259ef83582abfea9f4b2f17.exe
Size

733KB
MD5

bad8d6137259ef83582abfea9f4b2f17
SHA1

06af0f72796e977537be7235960326137e1cb821
SHA256

1fbc3ddcd892c868cab037f43fcee5cd1dd67f5ce0ac882d851603bdc934ec43
SHA512

24c7a7f361ffc5f283c867b6c132d54c39a1c443cb8703415a93159ce3fb153e622a29493f9817a891dd10b50abb16b73ee0de8433d9a65af77c8c8cdb1faa22
SSDEEP

12288:QzpM6vs9z8N5ndgaIgAz0ioW608I5dgytMveLBxuff3p3qyrOQKCFLSjTMJxtU1:m7sK5maIgdioWCI5d9keLBxuff3p3qyG

Score

10^/10

blustealer zgrat persistence rat stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
bojtai.club
Port:
587
Username:
[email protected]
Password:
BqYD=SYf~ueg

Signatures

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

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral1/memory/2140-5-0x0000000004D00000-0x0000000004D78000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-6-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-7-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-9-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-11-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-15-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-17-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-19-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-13-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-21-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-23-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-25-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-27-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-29-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-31-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-33-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-35-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-37-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-39-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-41-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-43-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-45-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-47-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-49-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-51-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-53-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-55-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-57-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-59-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-61-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-63-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-65-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-67-0x0000000004D00000-0x0000000004D72000-memory.dmp	family_zgrat_v1
behavioral1/memory/2140-69-0x0000000004D00000-0x0000000004D72000-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-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Windows\CurrentVersion\Run\paint = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\paint\\paint.exe\""	bad8d6137259ef83582abfea9f4b2f17.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2140 set thread context of 2552	2140	bad8d6137259ef83582abfea9f4b2f17.exe	30

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2140	bad8d6137259ef83582abfea9f4b2f17.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2140	bad8d6137259ef83582abfea9f4b2f17.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2552	bad8d6137259ef83582abfea9f4b2f17.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 2552	2140	bad8d6137259ef83582abfea9f4b2f17.exe	30
PID 2140 wrote to memory of 2552	2140	bad8d6137259ef83582abfea9f4b2f17.exe	30
PID 2140 wrote to memory of 2552	2140	bad8d6137259ef83582abfea9f4b2f17.exe	30
PID 2140 wrote to memory of 2552	2140	bad8d6137259ef83582abfea9f4b2f17.exe	30
PID 2140 wrote to memory of 2552	2140	bad8d6137259ef83582abfea9f4b2f17.exe	30
PID 2140 wrote to memory of 2552	2140	bad8d6137259ef83582abfea9f4b2f17.exe	30
PID 2140 wrote to memory of 2552	2140	bad8d6137259ef83582abfea9f4b2f17.exe	30
PID 2140 wrote to memory of 2552	2140	bad8d6137259ef83582abfea9f4b2f17.exe	30
PID 2140 wrote to memory of 2552	2140	bad8d6137259ef83582abfea9f4b2f17.exe	30

C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17.exe
"C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17.exe
  C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2552

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/2140-0-0x0000000000EC0000-0x0000000000F7C000-memory.dmp

Filesize
752KB

Download
memory/2140-1-0x0000000074570000-0x0000000074C5E000-memory.dmp

Filesize
6.9MB

Download
memory/2140-2-0x00000000048B0000-0x00000000048F0000-memory.dmp

Filesize
256KB

Download
memory/2140-3-0x0000000074570000-0x0000000074C5E000-memory.dmp

Filesize
6.9MB

Download
memory/2140-4-0x0000000004C40000-0x0000000004CEA000-memory.dmp

Filesize
680KB

Download
memory/2140-5-0x0000000004D00000-0x0000000004D78000-memory.dmp

Filesize
480KB

Download
memory/2140-6-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-7-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-9-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-11-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-15-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-17-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-19-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-13-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-21-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-23-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-25-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-27-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-29-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-31-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-33-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-35-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-37-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-39-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-41-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-43-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-45-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-47-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-49-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-51-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-53-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-55-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-57-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-59-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-61-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-63-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-65-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-67-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-69-0x0000000004D00000-0x0000000004D72000-memory.dmp

Filesize
456KB

Download
memory/2140-559-0x00000000048B0000-0x00000000048F0000-memory.dmp

Filesize
256KB

Download
memory/2140-2387-0x0000000074570000-0x0000000074C5E000-memory.dmp

Filesize
6.9MB

Download
memory/2552-2388-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2552-2391-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download