blustealer | 73e0d4f10e0f6d61bab433d14f75ea26392838fad4a491db5b24512055c49602

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
24-02-2024 06:27

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General

Target

a12c11f756f90c583890425f3a76a921.exe
Size

756KB
MD5

a12c11f756f90c583890425f3a76a921
SHA1

012738d0119b247d323a22391d901780033b7610
SHA256

73e0d4f10e0f6d61bab433d14f75ea26392838fad4a491db5b24512055c49602
SHA512

9ec1f61f625bc350cfe1423061b36b0812d97986d112eb437635754c11d5c8b855ede4c6355415bbac31449c7d031f1ba6fdb1a087498f4db1872dae6f288b59
SSDEEP

12288:cr9vM3/EZrmFcutwSpsx5dC0YoTkNzi0DmW/t6giEAVZWeKlewlcatFbAS01pZAB:chvM3/ZwGsx5Bgi92thAfWLvlcYCS0dL

Score

10^/10

blustealer zgrat persistence rat stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
netjul.shop
Port:
587
Username:
[email protected]
Password:
mQJrXsvkEb#S

Signatures

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

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral1/memory/2944-5-0x0000000005F40000-0x0000000005FC8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-6-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-7-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-13-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-15-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-17-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-23-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-21-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-27-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-33-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-43-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-51-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-53-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-55-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-49-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-47-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-45-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-57-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-59-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-65-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-69-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-67-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-63-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-61-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-41-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-39-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-37-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-35-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-31-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-29-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-25-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-19-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-11-0x0000000005F40000-0x0000000005FC2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2944-9-0x0000000005F40000-0x0000000005FC2000-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-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\paint = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\paint\\paint.exe\""	a12c11f756f90c583890425f3a76a921.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2944 set thread context of 1212	2944	a12c11f756f90c583890425f3a76a921.exe	30

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2944	a12c11f756f90c583890425f3a76a921.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2944	a12c11f756f90c583890425f3a76a921.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1212	a12c11f756f90c583890425f3a76a921.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 1212	2944	a12c11f756f90c583890425f3a76a921.exe	30
PID 2944 wrote to memory of 1212	2944	a12c11f756f90c583890425f3a76a921.exe	30
PID 2944 wrote to memory of 1212	2944	a12c11f756f90c583890425f3a76a921.exe	30
PID 2944 wrote to memory of 1212	2944	a12c11f756f90c583890425f3a76a921.exe	30
PID 2944 wrote to memory of 1212	2944	a12c11f756f90c583890425f3a76a921.exe	30
PID 2944 wrote to memory of 1212	2944	a12c11f756f90c583890425f3a76a921.exe	30
PID 2944 wrote to memory of 1212	2944	a12c11f756f90c583890425f3a76a921.exe	30
PID 2944 wrote to memory of 1212	2944	a12c11f756f90c583890425f3a76a921.exe	30
PID 2944 wrote to memory of 1212	2944	a12c11f756f90c583890425f3a76a921.exe	30

C:\Users\Admin\AppData\Local\Temp\a12c11f756f90c583890425f3a76a921.exe
"C:\Users\Admin\AppData\Local\Temp\a12c11f756f90c583890425f3a76a921.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2944
- C:\Users\Admin\AppData\Local\Temp\a12c11f756f90c583890425f3a76a921.exe
  C:\Users\Admin\AppData\Local\Temp\a12c11f756f90c583890425f3a76a921.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1212

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/1212-2546-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1212-2547-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2944-47-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-15-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-4-0x0000000008080000-0x0000000008132000-memory.dmp

Filesize
712KB

Download
memory/2944-57-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-6-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-65-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-13-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-59-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-17-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-23-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-21-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-27-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-33-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-43-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-51-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-53-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-55-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-49-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-0-0x0000000000BC0000-0x0000000000C84000-memory.dmp

Filesize
784KB

Download
memory/2944-45-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-5-0x0000000005F40000-0x0000000005FC8000-memory.dmp

Filesize
544KB

Download
memory/2944-3-0x0000000074AA0000-0x000000007518E000-memory.dmp

Filesize
6.9MB

Download
memory/2944-7-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-69-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-67-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-63-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-61-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-41-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-39-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-37-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-35-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-31-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-29-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-25-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-19-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-11-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-9-0x0000000005F40000-0x0000000005FC2000-memory.dmp

Filesize
520KB

Download
memory/2944-314-0x0000000004A70000-0x0000000004AB0000-memory.dmp

Filesize
256KB

Download
memory/2944-2542-0x0000000074AA0000-0x000000007518E000-memory.dmp

Filesize
6.9MB

Download
memory/2944-2-0x0000000004A70000-0x0000000004AB0000-memory.dmp

Filesize
256KB

Download
memory/2944-1-0x0000000074AA0000-0x000000007518E000-memory.dmp

Filesize
6.9MB

Download