blustealer | fce1e5d65d8375a41cd61ec690febb3ca3d2b6745194cc7b0f54727bf48197a9

Analysis

max time kernel
127s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
21-01-2024 06:16

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General

Target

6c90d471c7fa59b51f1a820b0fada9e3.exe
Size

2.3MB
MD5

6c90d471c7fa59b51f1a820b0fada9e3
SHA1

b3ec13231b0bf2cd938c8edb531f6fc087bdb083
SHA256

fce1e5d65d8375a41cd61ec690febb3ca3d2b6745194cc7b0f54727bf48197a9
SHA512

11da870880f5070a477d9ae76d7ddee310c9e79c164c098a912625c166e7d06af214687b9e1cc4fe9b8345bf7e0b696f790b435467fd5a5a02d9106942cc8197
SSDEEP

12288:e7tckxtGtCP7svhJrXFlrO02jle+qcs2eXNPnrEdrE:e7JxUtAsvhRDZO/qcsxXN/odo

Score

10^/10

blustealer stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
bojtai.xyz
Port:
587
Username:
[email protected]
Password:
(mr.GT^Eg#C6

Signatures

BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2168 set thread context of 2124	2168	6c90d471c7fa59b51f1a820b0fada9e3.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2168	6c90d471c7fa59b51f1a820b0fada9e3.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2124	vbc.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 364	2168	6c90d471c7fa59b51f1a820b0fada9e3.exe	30
PID 2168 wrote to memory of 364	2168	6c90d471c7fa59b51f1a820b0fada9e3.exe	30
PID 2168 wrote to memory of 364	2168	6c90d471c7fa59b51f1a820b0fada9e3.exe	30
PID 2168 wrote to memory of 364	2168	6c90d471c7fa59b51f1a820b0fada9e3.exe	30
PID 2168 wrote to memory of 2124	2168	6c90d471c7fa59b51f1a820b0fada9e3.exe	32
PID 2168 wrote to memory of 2124	2168	6c90d471c7fa59b51f1a820b0fada9e3.exe	32
PID 2168 wrote to memory of 2124	2168	6c90d471c7fa59b51f1a820b0fada9e3.exe	32
PID 2168 wrote to memory of 2124	2168	6c90d471c7fa59b51f1a820b0fada9e3.exe	32
PID 2168 wrote to memory of 2124	2168	6c90d471c7fa59b51f1a820b0fada9e3.exe	32
PID 2168 wrote to memory of 2124	2168	6c90d471c7fa59b51f1a820b0fada9e3.exe	32
PID 2168 wrote to memory of 2124	2168	6c90d471c7fa59b51f1a820b0fada9e3.exe	32
PID 2168 wrote to memory of 2124	2168	6c90d471c7fa59b51f1a820b0fada9e3.exe	32
PID 2168 wrote to memory of 2124	2168	6c90d471c7fa59b51f1a820b0fada9e3.exe	32

C:\Users\Admin\AppData\Local\Temp\6c90d471c7fa59b51f1a820b0fada9e3.exe
"C:\Users\Admin\AppData\Local\Temp\6c90d471c7fa59b51f1a820b0fada9e3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c
  2⤵
  PID:364
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2124

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2124-5-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2124-7-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2124-9-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2124-13-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2124-14-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2124-16-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2124-19-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2168-1-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/2168-0-0x0000000000210000-0x000000000046A000-memory.dmp

Filesize
2.4MB

Download
memory/2168-2-0x0000000004FC0000-0x0000000005000000-memory.dmp

Filesize
256KB

Download
memory/2168-3-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/2168-4-0x0000000004FC0000-0x0000000005000000-memory.dmp

Filesize
256KB

Download