blustealer | 13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44

General

Target

13.exe
Size

1.3MB
MD5

47e740a60ad3725bf3e8aa0f1ca06602
SHA1

14cdc8c2df7e674eff67104603841113d83b4927
SHA256

13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44
SHA512

3cef948a617aef62b2483b34649f631c1f0f9a59308fd2c3a32d049843fa9eb634f46d955a7e1c1ca20c03bad6df8cf59327cb8b23ed095870e217a9940b6214
SSDEEP

12288:/06hthweHJDyHYKeu7oFcN6wLEOcU8od5bkwIf4PghrV1U9REyaXO1fIM0WQCjTr:38oOLEOJ805UP37yao0DCb

Score

10^/10

blustealer collection stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
mail.dphe.gov.bd
Port:
587
Username:
[email protected]
Password:
@DphE20#

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1996 set thread context of 1328	1996	13.exe	32
PID 1328 set thread context of 432	1328	MSBuild.exe	33

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

T1053

pid	Process
1292	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1996	13.exe
1996	13.exe
1168	powershell.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1996	13.exe
Token: SeDebugPrivilege	1168	powershell.exe
Token: SeDebugPrivilege	456	taskmgr.exe

Suspicious use of FindShellTrayWindow 29 IoCs

pid	Process
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe

Suspicious use of SendNotifyMessage 29 IoCs

pid	Process
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe
456	taskmgr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1328	MSBuild.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 1168	1996	13.exe	28
PID 1996 wrote to memory of 1168	1996	13.exe	28
PID 1996 wrote to memory of 1168	1996	13.exe	28
PID 1996 wrote to memory of 1168	1996	13.exe	28
PID 1996 wrote to memory of 1292	1996	13.exe	30
PID 1996 wrote to memory of 1292	1996	13.exe	30
PID 1996 wrote to memory of 1292	1996	13.exe	30
PID 1996 wrote to memory of 1292	1996	13.exe	30
PID 1996 wrote to memory of 1328	1996	13.exe	32
PID 1996 wrote to memory of 1328	1996	13.exe	32
PID 1996 wrote to memory of 1328	1996	13.exe	32
PID 1996 wrote to memory of 1328	1996	13.exe	32
PID 1996 wrote to memory of 1328	1996	13.exe	32
PID 1996 wrote to memory of 1328	1996	13.exe	32
PID 1996 wrote to memory of 1328	1996	13.exe	32
PID 1996 wrote to memory of 1328	1996	13.exe	32
PID 1996 wrote to memory of 1328	1996	13.exe	32
PID 1328 wrote to memory of 432	1328	MSBuild.exe	33
PID 1328 wrote to memory of 432	1328	MSBuild.exe	33
PID 1328 wrote to memory of 432	1328	MSBuild.exe	33
PID 1328 wrote to memory of 432	1328	MSBuild.exe	33
PID 1328 wrote to memory of 432	1328	MSBuild.exe	33
PID 1328 wrote to memory of 432	1328	MSBuild.exe	33
PID 1328 wrote to memory of 432	1328	MSBuild.exe	33
PID 1328 wrote to memory of 432	1328	MSBuild.exe	33
PID 1328 wrote to memory of 432	1328	MSBuild.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\13.exe
"C:\Users\Admin\AppData\Local\Temp\13.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YLaBcpsPbHzc.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1168
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YLaBcpsPbHzc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC90A.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1292
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1328
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    3⤵
    - Accesses Microsoft Outlook profiles
    - outlook_office_path
    - outlook_win_path
    PID:432

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:456

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC90A.tmp

Filesize
1KB

MD5
3d3432007f0c2b024fff161bbc4151f0

SHA1
5e10c8f9b37a0ea361caa49f53617ee609058225

SHA256
76e752073b066d66441719c12ff294243d1d49d3f186ac54dd3ab338a7d8a7c3

SHA512
f8ae3906e09a00732d3c73c60cb2ab760498972c7c05dab50b5c6fcd99656a785c09c1fc01be7e8a3b94ea89981b56da6420d97fa9fd9d3d2a70bc2c5a623f49

Download Submit
memory/432-82-0x0000000000090000-0x00000000000F6000-memory.dmp

Filesize
408KB

Download
memory/432-80-0x0000000000090000-0x00000000000F6000-memory.dmp

Filesize
408KB

Download
memory/432-87-0x0000000001150000-0x000000000120C000-memory.dmp

Filesize
752KB

Download
memory/432-86-0x0000000000090000-0x00000000000F6000-memory.dmp

Filesize
408KB

Download
memory/432-84-0x0000000000090000-0x00000000000F6000-memory.dmp

Filesize
408KB

Download
memory/432-81-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/456-90-0x0000000140000000-0x00000001405E8000-memory.dmp

Filesize
5.9MB

Download
memory/456-89-0x0000000140000000-0x00000001405E8000-memory.dmp

Filesize
5.9MB

Download
memory/1168-79-0x0000000002590000-0x00000000025D0000-memory.dmp

Filesize
256KB

Download
memory/1168-88-0x0000000002590000-0x00000000025D0000-memory.dmp

Filesize
256KB

Download
memory/1328-78-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1328-72-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1328-73-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1328-91-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1328-69-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1328-68-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1328-70-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1328-75-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1996-59-0x000000000B490000-0x000000000B53C000-memory.dmp

Filesize
688KB

Download
memory/1996-55-0x00000000005A0000-0x00000000005E0000-memory.dmp

Filesize
256KB

Download
memory/1996-65-0x000000000D8F0000-0x000000000D968000-memory.dmp

Filesize
480KB

Download
memory/1996-54-0x0000000001310000-0x0000000001456000-memory.dmp

Filesize
1.3MB

Download
memory/1996-58-0x0000000000240000-0x000000000024C000-memory.dmp

Filesize
48KB

Download
memory/1996-56-0x0000000000220000-0x0000000000234000-memory.dmp

Filesize
80KB

Download
memory/1996-57-0x00000000005A0000-0x00000000005E0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads