blustealer | ee2dcb13a7dfaeaa3aea32272b9ea2b54afee47edf4234b299e8e8c89c631bf2

General

Target

SecuriteInfo.com.W32.AIDetectNet.01.9499.exe
Size

781KB
MD5

2363b71b194a80c4ee951a41e2c5b645
SHA1

02c724cdcbb3b7569deb2e1cb8211d5dc31b3532
SHA256

ee2dcb13a7dfaeaa3aea32272b9ea2b54afee47edf4234b299e8e8c89c631bf2
SHA512

d72efbfaa04df1dc400e958128dc875eb6cb856292ea9275e478b0a9a2b60ef342514d61652f96e20437ea90a14680f9dd3b852f45707345c5d078f25e018104

Score

10^/10

blustealer persistence stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
B9@jPT5115

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows\CurrentVersion\Run\Uarexqz = "\"C:\\Users\\Admin\\AppData\\Roaming\\Lwsbz\\Uarexqz.exe\""	SecuriteInfo.com.W32.AIDetectNet.01.9499.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 288 set thread context of 1724	288	SecuriteInfo.com.W32.AIDetectNet.01.9499.exe	29

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1924	powershell.exe
288	SecuriteInfo.com.W32.AIDetectNet.01.9499.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1924	powershell.exe
Token: SeDebugPrivilege	288	SecuriteInfo.com.W32.AIDetectNet.01.9499.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1724	SecuriteInfo.com.W32.AIDetectNet.01.9499.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 288 wrote to memory of 1924	288	SecuriteInfo.com.W32.AIDetectNet.01.9499.exe	27
PID 288 wrote to memory of 1924	288	SecuriteInfo.com.W32.AIDetectNet.01.9499.exe	27
PID 288 wrote to memory of 1924	288	SecuriteInfo.com.W32.AIDetectNet.01.9499.exe	27
PID 288 wrote to memory of 1924	288	SecuriteInfo.com.W32.AIDetectNet.01.9499.exe	27
PID 288 wrote to memory of 1724	288	SecuriteInfo.com.W32.AIDetectNet.01.9499.exe	29
PID 288 wrote to memory of 1724	288	SecuriteInfo.com.W32.AIDetectNet.01.9499.exe	29
PID 288 wrote to memory of 1724	288	SecuriteInfo.com.W32.AIDetectNet.01.9499.exe	29
PID 288 wrote to memory of 1724	288	SecuriteInfo.com.W32.AIDetectNet.01.9499.exe	29
PID 288 wrote to memory of 1724	288	SecuriteInfo.com.W32.AIDetectNet.01.9499.exe	29
PID 288 wrote to memory of 1724	288	SecuriteInfo.com.W32.AIDetectNet.01.9499.exe	29
PID 288 wrote to memory of 1724	288	SecuriteInfo.com.W32.AIDetectNet.01.9499.exe	29
PID 288 wrote to memory of 1724	288	SecuriteInfo.com.W32.AIDetectNet.01.9499.exe	29
PID 288 wrote to memory of 1724	288	SecuriteInfo.com.W32.AIDetectNet.01.9499.exe	29

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.9499.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.9499.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:288
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1924
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.9499.exe
  C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.9499.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1724

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/288-54-0x00000000010C0000-0x000000000118A000-memory.dmp

Filesize
808KB

Download
memory/288-55-0x0000000000C40000-0x0000000000D04000-memory.dmp

Filesize
784KB

Download
memory/288-56-0x0000000004860000-0x00000000048F2000-memory.dmp

Filesize
584KB

Download
memory/288-57-0x0000000076921000-0x0000000076923000-memory.dmp

Filesize
8KB

Download
memory/1724-65-0x0000000000400000-0x000000000049E000-memory.dmp

Filesize
632KB

Download
memory/1724-62-0x0000000000400000-0x000000000049E000-memory.dmp

Filesize
632KB

Download
memory/1724-63-0x0000000000400000-0x000000000049E000-memory.dmp

Filesize
632KB

Download
memory/1724-67-0x0000000000400000-0x000000000049E000-memory.dmp

Filesize
632KB

Download
memory/1724-70-0x0000000000400000-0x000000000049E000-memory.dmp

Filesize
632KB

Download
memory/1724-73-0x0000000000400000-0x000000000049E000-memory.dmp

Filesize
632KB

Download
memory/1924-60-0x000000006FBE0000-0x000000007018B000-memory.dmp

Filesize
5.7MB

Download
memory/1924-61-0x000000006FBE0000-0x000000007018B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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