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/1728-3-0x0000000000560000-0x0000000000572000-memory.dmp	CustAttr

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1728 set thread context of 2440	1728	d72a055eebd32d10fe70ad01824d2c94.exe	32

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
2916	schtasks.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2440	d72a055eebd32d10fe70ad01824d2c94.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2916	1728	d72a055eebd32d10fe70ad01824d2c94.exe	30
PID 1728 wrote to memory of 2916	1728	d72a055eebd32d10fe70ad01824d2c94.exe	30
PID 1728 wrote to memory of 2916	1728	d72a055eebd32d10fe70ad01824d2c94.exe	30
PID 1728 wrote to memory of 2916	1728	d72a055eebd32d10fe70ad01824d2c94.exe	30
PID 1728 wrote to memory of 2440	1728	d72a055eebd32d10fe70ad01824d2c94.exe	32
PID 1728 wrote to memory of 2440	1728	d72a055eebd32d10fe70ad01824d2c94.exe	32
PID 1728 wrote to memory of 2440	1728	d72a055eebd32d10fe70ad01824d2c94.exe	32
PID 1728 wrote to memory of 2440	1728	d72a055eebd32d10fe70ad01824d2c94.exe	32
PID 1728 wrote to memory of 2440	1728	d72a055eebd32d10fe70ad01824d2c94.exe	32
PID 1728 wrote to memory of 2440	1728	d72a055eebd32d10fe70ad01824d2c94.exe	32
PID 1728 wrote to memory of 2440	1728	d72a055eebd32d10fe70ad01824d2c94.exe	32
PID 1728 wrote to memory of 2440	1728	d72a055eebd32d10fe70ad01824d2c94.exe	32
PID 1728 wrote to memory of 2440	1728	d72a055eebd32d10fe70ad01824d2c94.exe	32

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:1728
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vhfCLlSzhjCC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBC4.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2916
- C:\Users\Admin\AppData\Local\Temp\d72a055eebd32d10fe70ad01824d2c94.exe
  "C:\Users\Admin\AppData\Local\Temp\d72a055eebd32d10fe70ad01824d2c94.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2440

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\tmpBC4.tmp

Filesize
1KB

MD5
b243b2d10c49018a31950f25b99179c1

SHA1
742783129a15e8673b09b51114d1db11d4422468

SHA256
af35daff2321e4a48e3d8a3532589b0037f7feaabb78c5aff39a84b40ebfa8f6

SHA512
29554183547f4c7e1aa7f50d3dc1a35b03e3b59f136e7fb0b3173ca7647d49af405a295f1747bd2326c0831146d8818e5669648ca745bfcdc19839f9c77a7eee

Download Submit
memory/1728-4-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/1728-25-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/1728-3-0x0000000000560000-0x0000000000572000-memory.dmp

Filesize
72KB

Download
memory/1728-1-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/1728-0-0x0000000000E20000-0x0000000000FBE000-memory.dmp

Filesize
1.6MB

Download
memory/1728-6-0x0000000008580000-0x00000000086B6000-memory.dmp

Filesize
1.2MB

Download
memory/1728-2-0x0000000004EB0000-0x0000000004EF0000-memory.dmp

Filesize
256KB

Download
memory/1728-7-0x00000000087B0000-0x00000000088AC000-memory.dmp

Filesize
1008KB

Download
memory/1728-5-0x0000000004EB0000-0x0000000004EF0000-memory.dmp

Filesize
256KB

Download
memory/2440-13-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2440-17-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2440-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2440-21-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2440-23-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2440-15-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2440-27-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads