blustealer | 8065d62b80b44048da2480ce5eb7b1b2ddfc432abee9a9ae8c892d45ffc9e662

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29-12-2023 21:12

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General

Target

042197f208629a740b617e67f812802d.exe
Size

818KB
MD5

042197f208629a740b617e67f812802d
SHA1

a419c73824ee970da50710233183221e80740882
SHA256

8065d62b80b44048da2480ce5eb7b1b2ddfc432abee9a9ae8c892d45ffc9e662
SHA512

d776f2c2cc031d2475e3e7e7d55e03a96bf85b08ebaa0b98247d80072e80a8d76e581d88ec21f0d462f58b21c12b1260a49cdfd5166624202c201153dbc7501e
SSDEEP

12288:xqern0oyddJoHAx87CemFNMSqjQled+Cmif1Y0lB1asF9kwCGayYM:RrEbZprEf1YoasFtCQp

Score

10^/10

blustealer zgrat persistence rat stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
budgetn.xyz
Port:
587
Username:
[email protected]
Password:
E6uOyau@R_(Q

Signatures

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

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral1/memory/2400-5-0x0000000005460000-0x00000000054CE000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-15-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-41-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-53-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-69-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-67-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-65-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-63-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-61-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-59-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-57-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-55-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-51-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-49-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-47-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-45-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-43-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-39-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-37-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-35-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-33-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-31-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-29-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-27-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-25-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-23-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-21-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-19-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-17-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-13-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-11-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-9-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-7-0x0000000005460000-0x00000000054C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2400-6-0x0000000005460000-0x00000000054C8000-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-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\suh = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\chrsg\\suh.exe\""	042197f208629a740b617e67f812802d.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2400 set thread context of 1492	2400	042197f208629a740b617e67f812802d.exe	30

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2400	042197f208629a740b617e67f812802d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2400	042197f208629a740b617e67f812802d.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1492	042197f208629a740b617e67f812802d.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 1492	2400	042197f208629a740b617e67f812802d.exe	30
PID 2400 wrote to memory of 1492	2400	042197f208629a740b617e67f812802d.exe	30
PID 2400 wrote to memory of 1492	2400	042197f208629a740b617e67f812802d.exe	30
PID 2400 wrote to memory of 1492	2400	042197f208629a740b617e67f812802d.exe	30
PID 2400 wrote to memory of 1492	2400	042197f208629a740b617e67f812802d.exe	30
PID 2400 wrote to memory of 1492	2400	042197f208629a740b617e67f812802d.exe	30
PID 2400 wrote to memory of 1492	2400	042197f208629a740b617e67f812802d.exe	30
PID 2400 wrote to memory of 1492	2400	042197f208629a740b617e67f812802d.exe	30
PID 2400 wrote to memory of 1492	2400	042197f208629a740b617e67f812802d.exe	30

C:\Users\Admin\AppData\Local\Temp\042197f208629a740b617e67f812802d.exe
"C:\Users\Admin\AppData\Local\Temp\042197f208629a740b617e67f812802d.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Users\Admin\AppData\Local\Temp\042197f208629a740b617e67f812802d.exe
  C:\Users\Admin\AppData\Local\Temp\042197f208629a740b617e67f812802d.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1492

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/1492-2192-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1492-2194-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2400-45-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-69-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-4-0x0000000004EF0000-0x0000000004F98000-memory.dmp

Filesize
672KB

Download
memory/2400-39-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-15-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-35-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-53-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-37-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-67-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-65-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-63-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-61-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-59-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-57-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-55-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-51-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-49-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-47-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-0-0x00000000009F0000-0x0000000000AC2000-memory.dmp

Filesize
840KB

Download
memory/2400-43-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-5-0x0000000005460000-0x00000000054CE000-memory.dmp

Filesize
440KB

Download
memory/2400-3-0x0000000074980000-0x000000007506E000-memory.dmp

Filesize
6.9MB

Download
memory/2400-41-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-33-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-31-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-29-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-27-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-25-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-23-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-21-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-19-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-17-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-13-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-11-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-938-0x0000000004C00000-0x0000000004C40000-memory.dmp

Filesize
256KB

Download
memory/2400-9-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-7-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-6-0x0000000005460000-0x00000000054C8000-memory.dmp

Filesize
416KB

Download
memory/2400-2189-0x0000000074980000-0x000000007506E000-memory.dmp

Filesize
6.9MB

Download
memory/2400-2-0x0000000004C00000-0x0000000004C40000-memory.dmp

Filesize
256KB

Download
memory/2400-1-0x0000000074980000-0x000000007506E000-memory.dmp

Filesize
6.9MB

Download