blustealer | 55b486f7e3eb481c395c5bc295d5d4cb85d0318e3185cbad9eeac17b1fd7abcf

General

Target

13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44.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-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 948 set thread context of 1132	948	13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44.exe	32
PID 1132 set thread context of 1536	1132	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
328	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
948	13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44.exe
948	13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44.exe
1120	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	948	13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44.exe
Token: SeDebugPrivilege	1120	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1132	MSBuild.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 948 wrote to memory of 1120	948	13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44.exe	28
PID 948 wrote to memory of 1120	948	13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44.exe	28
PID 948 wrote to memory of 1120	948	13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44.exe	28
PID 948 wrote to memory of 1120	948	13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44.exe	28
PID 948 wrote to memory of 328	948	13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44.exe	30
PID 948 wrote to memory of 328	948	13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44.exe	30
PID 948 wrote to memory of 328	948	13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44.exe	30
PID 948 wrote to memory of 328	948	13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44.exe	30
PID 948 wrote to memory of 1132	948	13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44.exe	32
PID 948 wrote to memory of 1132	948	13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44.exe	32
PID 948 wrote to memory of 1132	948	13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44.exe	32
PID 948 wrote to memory of 1132	948	13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44.exe	32
PID 948 wrote to memory of 1132	948	13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44.exe	32
PID 948 wrote to memory of 1132	948	13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44.exe	32
PID 948 wrote to memory of 1132	948	13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44.exe	32
PID 948 wrote to memory of 1132	948	13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44.exe	32
PID 948 wrote to memory of 1132	948	13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44.exe	32
PID 1132 wrote to memory of 1536	1132	MSBuild.exe	33
PID 1132 wrote to memory of 1536	1132	MSBuild.exe	33
PID 1132 wrote to memory of 1536	1132	MSBuild.exe	33
PID 1132 wrote to memory of 1536	1132	MSBuild.exe	33
PID 1132 wrote to memory of 1536	1132	MSBuild.exe	33
PID 1132 wrote to memory of 1536	1132	MSBuild.exe	33
PID 1132 wrote to memory of 1536	1132	MSBuild.exe	33
PID 1132 wrote to memory of 1536	1132	MSBuild.exe	33
PID 1132 wrote to memory of 1536	1132	MSBuild.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44.exe
"C:\Users\Admin\AppData\Local\Temp\13ec1600c34aef86c927c06c2930cc91c57af490d206783263c82a5d3877bd44.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:948
- 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:1120
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YLaBcpsPbHzc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB8B6.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:328
- 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:1132
- - 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:1536

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\tmpB8B6.tmp

Filesize
1KB

MD5
4f4e8c5fdacba26aa91a3c96df6f51ee

SHA1
fa21abb49fae3290cf204966eb2e8a2d18eae392

SHA256
f75e1f32a21bc5564837e82b02b4b6e7683ecdb38c0a9b2807fa73c107b9f89b

SHA512
c07fff48e4a37c388130b3c4340e45cb58ae059f35ec71b8316031f7280892d4dc186dcfd7ce150e7d81e84f5a983d489ebba1d033301757f846fa5e4ca5edeb

Download Submit
memory/948-54-0x0000000000860000-0x00000000009A6000-memory.dmp

Filesize
1.3MB

Download
memory/948-55-0x0000000004CC0000-0x0000000004D00000-memory.dmp

Filesize
256KB

Download
memory/948-56-0x00000000001F0000-0x0000000000204000-memory.dmp

Filesize
80KB

Download
memory/948-57-0x0000000004CC0000-0x0000000004D00000-memory.dmp

Filesize
256KB

Download
memory/948-58-0x0000000000200000-0x000000000020C000-memory.dmp

Filesize
48KB

Download
memory/948-59-0x000000000B590000-0x000000000B63C000-memory.dmp

Filesize
688KB

Download
memory/948-65-0x000000000DA90000-0x000000000DB08000-memory.dmp

Filesize
480KB

Download
memory/1120-89-0x0000000002700000-0x0000000002740000-memory.dmp

Filesize
256KB

Download
memory/1120-87-0x0000000002700000-0x0000000002740000-memory.dmp

Filesize
256KB

Download
memory/1120-76-0x0000000002700000-0x0000000002740000-memory.dmp

Filesize
256KB

Download
memory/1132-73-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1132-69-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1132-75-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1132-70-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1132-72-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1132-90-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1132-68-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1132-88-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1536-79-0x0000000000090000-0x00000000000F6000-memory.dmp

Filesize
408KB

Download
memory/1536-86-0x0000000000AF0000-0x0000000000BAC000-memory.dmp

Filesize
752KB

Download
memory/1536-85-0x0000000000090000-0x00000000000F6000-memory.dmp

Filesize
408KB

Download
memory/1536-83-0x0000000000090000-0x00000000000F6000-memory.dmp

Filesize
408KB

Download
memory/1536-81-0x0000000000090000-0x00000000000F6000-memory.dmp

Filesize
408KB

Download
memory/1536-80-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads