blustealer | 8940eb56fcbcf0b9e9f1ca34b9e2671bf9f0494eed2b00254cc916378337c0bd

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31-12-2023 05:38

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General

Target

2a52adef8906a92fa4b4feb96c1b8c26.exe
Size

707KB
MD5

2a52adef8906a92fa4b4feb96c1b8c26
SHA1

5bc7a3c740295e6e0a0c2455be73c5c6669a8171
SHA256

8940eb56fcbcf0b9e9f1ca34b9e2671bf9f0494eed2b00254cc916378337c0bd
SHA512

09f6c07b2d09937aa12c8befcceab02e8069ee661a97dc39af6531ae8277f7c10680eb3375ce2ad8a6111561af829d4ef543220beeeb6b86fdc85b4d44055caf
SSDEEP

12288:aPtYLDXEk6PT0/ZxSnw7NGUNIXIo6RPuxR51ee0PRNuU1:AtYLDUk6Pwkw5dkIo6RjzPv1

Score

10^/10

blustealer zgrat rat stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
restd.xyz
Port:
587
Username:
[email protected]
Password:
E^6666?VJo99/*

Signatures

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

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral1/memory/2432-4-0x0000000004550000-0x00000000045D2000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-28-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-58-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-68-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-66-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-64-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-62-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-60-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-56-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-54-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-52-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-50-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-48-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-46-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-44-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-42-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-40-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-38-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-36-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-34-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-32-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-30-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-26-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-24-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-22-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-20-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-18-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-16-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-14-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-12-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-10-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-8-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-6-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1
behavioral1/memory/2432-5-0x0000000004550000-0x00000000045CB000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2432 set thread context of 3024	2432	2a52adef8906a92fa4b4feb96c1b8c26.exe	31

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2432	2a52adef8906a92fa4b4feb96c1b8c26.exe
2432	2a52adef8906a92fa4b4feb96c1b8c26.exe
2432	2a52adef8906a92fa4b4feb96c1b8c26.exe
2432	2a52adef8906a92fa4b4feb96c1b8c26.exe
2432	2a52adef8906a92fa4b4feb96c1b8c26.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2432	2a52adef8906a92fa4b4feb96c1b8c26.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3024	2a52adef8906a92fa4b4feb96c1b8c26.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 748	2432	2a52adef8906a92fa4b4feb96c1b8c26.exe	33
PID 2432 wrote to memory of 748	2432	2a52adef8906a92fa4b4feb96c1b8c26.exe	33
PID 2432 wrote to memory of 748	2432	2a52adef8906a92fa4b4feb96c1b8c26.exe	33
PID 2432 wrote to memory of 748	2432	2a52adef8906a92fa4b4feb96c1b8c26.exe	33
PID 2432 wrote to memory of 1108	2432	2a52adef8906a92fa4b4feb96c1b8c26.exe	32
PID 2432 wrote to memory of 1108	2432	2a52adef8906a92fa4b4feb96c1b8c26.exe	32
PID 2432 wrote to memory of 1108	2432	2a52adef8906a92fa4b4feb96c1b8c26.exe	32
PID 2432 wrote to memory of 1108	2432	2a52adef8906a92fa4b4feb96c1b8c26.exe	32
PID 2432 wrote to memory of 3024	2432	2a52adef8906a92fa4b4feb96c1b8c26.exe	31
PID 2432 wrote to memory of 3024	2432	2a52adef8906a92fa4b4feb96c1b8c26.exe	31
PID 2432 wrote to memory of 3024	2432	2a52adef8906a92fa4b4feb96c1b8c26.exe	31
PID 2432 wrote to memory of 3024	2432	2a52adef8906a92fa4b4feb96c1b8c26.exe	31
PID 2432 wrote to memory of 3024	2432	2a52adef8906a92fa4b4feb96c1b8c26.exe	31
PID 2432 wrote to memory of 3024	2432	2a52adef8906a92fa4b4feb96c1b8c26.exe	31
PID 2432 wrote to memory of 3024	2432	2a52adef8906a92fa4b4feb96c1b8c26.exe	31
PID 2432 wrote to memory of 3024	2432	2a52adef8906a92fa4b4feb96c1b8c26.exe	31
PID 2432 wrote to memory of 3024	2432	2a52adef8906a92fa4b4feb96c1b8c26.exe	31

C:\Users\Admin\AppData\Local\Temp\2a52adef8906a92fa4b4feb96c1b8c26.exe
"C:\Users\Admin\AppData\Local\Temp\2a52adef8906a92fa4b4feb96c1b8c26.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Users\Admin\AppData\Local\Temp\2a52adef8906a92fa4b4feb96c1b8c26.exe
  C:\Users\Admin\AppData\Local\Temp\2a52adef8906a92fa4b4feb96c1b8c26.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:3024
- C:\Users\Admin\AppData\Local\Temp\2a52adef8906a92fa4b4feb96c1b8c26.exe
  C:\Users\Admin\AppData\Local\Temp\2a52adef8906a92fa4b4feb96c1b8c26.exe
  2⤵
  PID:1108
- C:\Users\Admin\AppData\Local\Temp\2a52adef8906a92fa4b4feb96c1b8c26.exe
  C:\Users\Admin\AppData\Local\Temp\2a52adef8906a92fa4b4feb96c1b8c26.exe
  2⤵
  PID:748

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2432-40-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-3-0x0000000005250000-0x00000000052FE000-memory.dmp

Filesize
696KB

Download
memory/2432-2-0x0000000004A80000-0x0000000004AC0000-memory.dmp

Filesize
256KB

Download
memory/2432-38-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-4-0x0000000004550000-0x00000000045D2000-memory.dmp

Filesize
520KB

Download
memory/2432-28-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-58-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-68-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-66-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-64-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-62-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-60-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-56-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-54-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-52-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-36-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-48-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-46-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-44-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-42-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-2533-0x0000000074880000-0x0000000074F6E000-memory.dmp

Filesize
6.9MB

Download
memory/2432-1-0x0000000074880000-0x0000000074F6E000-memory.dmp

Filesize
6.9MB

Download
memory/2432-50-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-34-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-32-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-30-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-26-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-24-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-22-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-20-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-18-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-16-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-938-0x0000000074880000-0x0000000074F6E000-memory.dmp

Filesize
6.9MB

Download
memory/2432-14-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-12-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-10-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-8-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-6-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-5-0x0000000004550000-0x00000000045CB000-memory.dmp

Filesize
492KB

Download
memory/2432-2522-0x0000000004A80000-0x0000000004AC0000-memory.dmp

Filesize
256KB

Download
memory/2432-0-0x0000000000130000-0x00000000001E4000-memory.dmp

Filesize
720KB

Download
memory/3024-2536-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/3024-2537-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download