blustealer | cba897dc82a468040a082fd6135edecb8dcdcd0f0fe1375adeaeff3262cc6504

Analysis

max time kernel
137s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
22/12/2023, 14:26

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General

Target

c156f5367443c436b6a54f16a725d261.exe
Size

693KB
MD5

c156f5367443c436b6a54f16a725d261
SHA1

774549155b8bf2a455db51444ed3cb277081ca6b
SHA256

cba897dc82a468040a082fd6135edecb8dcdcd0f0fe1375adeaeff3262cc6504
SHA512

b796c81cba0ba75cda33252adbf4ee40b659a7c714e4bce1e81c3d39ada8555bd890ad9930c3ae9657e3460b696e3a26514a960a8d86b968953859aa7ce7be3b
SSDEEP

12288:EiJe4CK2mMmVlyJFlIjh5eSrrFowfviTwkAKc:EDK2mRi3IjjeZwfvi0/

Score

10^/10

blustealer stealer

Malware Config

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 2924 set thread context of 1664	2924	c156f5367443c436b6a54f16a725d261.exe	30

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2924	c156f5367443c436b6a54f16a725d261.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 1664	2924	c156f5367443c436b6a54f16a725d261.exe	30
PID 2924 wrote to memory of 1664	2924	c156f5367443c436b6a54f16a725d261.exe	30
PID 2924 wrote to memory of 1664	2924	c156f5367443c436b6a54f16a725d261.exe	30
PID 2924 wrote to memory of 1664	2924	c156f5367443c436b6a54f16a725d261.exe	30
PID 2924 wrote to memory of 1664	2924	c156f5367443c436b6a54f16a725d261.exe	30
PID 2924 wrote to memory of 1664	2924	c156f5367443c436b6a54f16a725d261.exe	30
PID 2924 wrote to memory of 1664	2924	c156f5367443c436b6a54f16a725d261.exe	30
PID 2924 wrote to memory of 1664	2924	c156f5367443c436b6a54f16a725d261.exe	30
PID 2924 wrote to memory of 1664	2924	c156f5367443c436b6a54f16a725d261.exe	30

C:\Users\Admin\AppData\Local\Temp\c156f5367443c436b6a54f16a725d261.exe
"C:\Users\Admin\AppData\Local\Temp\c156f5367443c436b6a54f16a725d261.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:1664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1664-9-0x0000000000080000-0x00000000000FA000-memory.dmp

Filesize
488KB

Download
memory/1664-13-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1664-7-0x0000000000080000-0x00000000000FA000-memory.dmp

Filesize
488KB

Download
memory/1664-5-0x0000000000080000-0x00000000000FA000-memory.dmp

Filesize
488KB

Download
memory/1664-14-0x0000000000080000-0x00000000000FA000-memory.dmp

Filesize
488KB

Download
memory/2924-1-0x0000000074E10000-0x00000000754FE000-memory.dmp

Filesize
6.9MB

Download
memory/2924-0-0x0000000000BA0000-0x0000000000C52000-memory.dmp

Filesize
712KB

Download
memory/2924-2-0x00000000049D0000-0x0000000004A10000-memory.dmp

Filesize
256KB

Download
memory/2924-3-0x0000000074E10000-0x00000000754FE000-memory.dmp

Filesize
6.9MB

Download
memory/2924-4-0x00000000049D0000-0x0000000004A10000-memory.dmp

Filesize
256KB

Download