blustealer | d7a1984f2d549e8481d9430ec4012adae6c769c8672387b705b4a30795d2c512

General

Target

d72a055eebd32d10fe70ad01824d2c94.exe
Size

1.6MB
MD5

d72a055eebd32d10fe70ad01824d2c94
SHA1

7f9a5a2a7506b0597549443a15a3f2b6f551ba4a
SHA256

d7a1984f2d549e8481d9430ec4012adae6c769c8672387b705b4a30795d2c512
SHA512

cc41f135e6019f7c16a7eb47c9afb9dbbe2fc928dd519760a0c3f370b1dbaa37699730015d4e30cda16d694c02b74ccf06b388cb18e74eef390991890e788790
SSDEEP

49152:SxzBoHM1VVcP5x/s1NifYa1hsDT3HOzmZt3:SxzBos13q/s1gAbn37P

Score

10^/10

blustealer stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
smtp.nbliaoyaun.com
Port:
587
Username:
[email protected]
Password:
Treasure@55

Signatures

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

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral1/memory/2344-3-0x0000000000880000-0x0000000000892000-memory.dmp	CustAttr

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2344 set thread context of 2428	2344	d72a055eebd32d10fe70ad01824d2c94.exe	30

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2788	schtasks.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2428	d72a055eebd32d10fe70ad01824d2c94.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 2788	2344	d72a055eebd32d10fe70ad01824d2c94.exe	28
PID 2344 wrote to memory of 2788	2344	d72a055eebd32d10fe70ad01824d2c94.exe	28
PID 2344 wrote to memory of 2788	2344	d72a055eebd32d10fe70ad01824d2c94.exe	28
PID 2344 wrote to memory of 2788	2344	d72a055eebd32d10fe70ad01824d2c94.exe	28
PID 2344 wrote to memory of 2428	2344	d72a055eebd32d10fe70ad01824d2c94.exe	30
PID 2344 wrote to memory of 2428	2344	d72a055eebd32d10fe70ad01824d2c94.exe	30
PID 2344 wrote to memory of 2428	2344	d72a055eebd32d10fe70ad01824d2c94.exe	30
PID 2344 wrote to memory of 2428	2344	d72a055eebd32d10fe70ad01824d2c94.exe	30
PID 2344 wrote to memory of 2428	2344	d72a055eebd32d10fe70ad01824d2c94.exe	30
PID 2344 wrote to memory of 2428	2344	d72a055eebd32d10fe70ad01824d2c94.exe	30
PID 2344 wrote to memory of 2428	2344	d72a055eebd32d10fe70ad01824d2c94.exe	30
PID 2344 wrote to memory of 2428	2344	d72a055eebd32d10fe70ad01824d2c94.exe	30
PID 2344 wrote to memory of 2428	2344	d72a055eebd32d10fe70ad01824d2c94.exe	30

C:\Users\Admin\AppData\Local\Temp\d72a055eebd32d10fe70ad01824d2c94.exe
"C:\Users\Admin\AppData\Local\Temp\d72a055eebd32d10fe70ad01824d2c94.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vhfCLlSzhjCC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA499.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2788
- C:\Users\Admin\AppData\Local\Temp\d72a055eebd32d10fe70ad01824d2c94.exe
  "C:\Users\Admin\AppData\Local\Temp\d72a055eebd32d10fe70ad01824d2c94.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA499.tmp

Filesize
1KB

MD5
57ade4564043178f7fd6c08a2e837446

SHA1
30f8b7dc6d6b5deb6fd369b3ccae58a59eab07fb

SHA256
75a12ec5d45c90b7ca6e8aaabdfcba2e7dae0e874861e6e75edf79052f101a01

SHA512
850cf34c6e8278e44795212dd07b1a73cd29ba8c54724b889d18bfa49b65f61f7a410f68b34daf11cec981c50f0dda0b340973dd6093bc87c06bdafdb8e68d1f

Download Submit
memory/2344-4-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download
memory/2344-26-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download
memory/2344-3-0x0000000000880000-0x0000000000892000-memory.dmp

Filesize
72KB

Download
memory/2344-1-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download
memory/2344-0-0x0000000000DD0000-0x0000000000F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2344-6-0x00000000084E0000-0x0000000008616000-memory.dmp

Filesize
1.2MB

Download
memory/2344-2-0x0000000000CA0000-0x0000000000CE0000-memory.dmp

Filesize
256KB

Download
memory/2344-7-0x0000000008710000-0x000000000880C000-memory.dmp

Filesize
1008KB

Download
memory/2344-5-0x0000000000CA0000-0x0000000000CE0000-memory.dmp

Filesize
256KB

Download
memory/2428-13-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2428-17-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2428-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2428-23-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2428-25-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2428-15-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2428-29-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads