blustealer | 07b5f28986974af72c104d73b7cb807065e82b812d3686dd5b9bf7636032dad0

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19-01-2024 09:34

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General

Target

67491c190a2fcaa9e6beaa3170ff36ec.exe
Size

735KB
MD5

67491c190a2fcaa9e6beaa3170ff36ec
SHA1

7ca0a5302aad250079fed8c6e6ae8970a6d94bf1
SHA256

07b5f28986974af72c104d73b7cb807065e82b812d3686dd5b9bf7636032dad0
SHA512

6078548ab6c67758dd2fde1a703b77fcfc38858604086d7deacaf511fd63ee39984c7ee1fc7188503d70839ace2466f4ed8efd141513f2be9d2c2ce5e1f025f4
SSDEEP

12288:vCiBiCbOCWbmb49llets2gKf1a03Bfa0LXUOl03viwA3:vT4Nzmb49DpYf1a8a0LLC/ij

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:
S8(OUzB)pvph

Signatures

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

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral1/memory/1212-5-0x0000000005CD0000-0x0000000005D38000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-6-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-7-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-9-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-11-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-13-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-17-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-15-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-19-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-21-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-23-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-25-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-27-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-31-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-29-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-47-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-45-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-43-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-41-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-39-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-37-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-35-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-33-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-57-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-59-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-55-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-53-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-51-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-49-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-61-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-67-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-65-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-63-0x0000000005CD0000-0x0000000005D31000-memory.dmp	family_zgrat_v1
behavioral1/memory/1212-69-0x0000000005CD0000-0x0000000005D31000-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-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\task = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\notep\\task.exe\""	67491c190a2fcaa9e6beaa3170ff36ec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1212 set thread context of 1776	1212	67491c190a2fcaa9e6beaa3170ff36ec.exe	30

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1212	67491c190a2fcaa9e6beaa3170ff36ec.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1212	67491c190a2fcaa9e6beaa3170ff36ec.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1776	67491c190a2fcaa9e6beaa3170ff36ec.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1212 wrote to memory of 1776	1212	67491c190a2fcaa9e6beaa3170ff36ec.exe	30
PID 1212 wrote to memory of 1776	1212	67491c190a2fcaa9e6beaa3170ff36ec.exe	30
PID 1212 wrote to memory of 1776	1212	67491c190a2fcaa9e6beaa3170ff36ec.exe	30
PID 1212 wrote to memory of 1776	1212	67491c190a2fcaa9e6beaa3170ff36ec.exe	30
PID 1212 wrote to memory of 1776	1212	67491c190a2fcaa9e6beaa3170ff36ec.exe	30
PID 1212 wrote to memory of 1776	1212	67491c190a2fcaa9e6beaa3170ff36ec.exe	30
PID 1212 wrote to memory of 1776	1212	67491c190a2fcaa9e6beaa3170ff36ec.exe	30
PID 1212 wrote to memory of 1776	1212	67491c190a2fcaa9e6beaa3170ff36ec.exe	30
PID 1212 wrote to memory of 1776	1212	67491c190a2fcaa9e6beaa3170ff36ec.exe	30

C:\Users\Admin\AppData\Local\Temp\67491c190a2fcaa9e6beaa3170ff36ec.exe
"C:\Users\Admin\AppData\Local\Temp\67491c190a2fcaa9e6beaa3170ff36ec.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Users\Admin\AppData\Local\Temp\67491c190a2fcaa9e6beaa3170ff36ec.exe
  C:\Users\Admin\AppData\Local\Temp\67491c190a2fcaa9e6beaa3170ff36ec.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1776

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/1212-0-0x0000000000A70000-0x0000000000B2E000-memory.dmp

Filesize
760KB

Download
memory/1212-1-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/1212-2-0x0000000004DE0000-0x0000000004E20000-memory.dmp

Filesize
256KB

Download
memory/1212-3-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/1212-4-0x0000000004F20000-0x0000000004FC0000-memory.dmp

Filesize
640KB

Download
memory/1212-5-0x0000000005CD0000-0x0000000005D38000-memory.dmp

Filesize
416KB

Download
memory/1212-6-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-7-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-9-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-11-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-13-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-17-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-15-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-19-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-21-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-23-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-25-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-27-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-31-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-29-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-47-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-45-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-43-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-41-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-39-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-37-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-35-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-33-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-57-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-59-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-55-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-53-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-51-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-49-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-61-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-67-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-65-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-63-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-69-0x0000000005CD0000-0x0000000005D31000-memory.dmp

Filesize
388KB

Download
memory/1212-819-0x0000000004DE0000-0x0000000004E20000-memory.dmp

Filesize
256KB

Download
memory/1212-1953-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/1776-1954-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1776-1957-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download