blustealer | 2a8dad48d4a81e1752e71f2f37a53a0ba4625f42bcea193b1783ac2c8f8e308c

Analysis

max time kernel
150s
max time network
108s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
05-06-2023 11:29

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General

Target

Refrence Order.exe
Size

22KB
MD5

bb639f8c81d9cf4a49e72015d7c75735
SHA1

91d717df3b5a1b833a60b5e2eb4d8f1c10555c62
SHA256

24c162c82ab104894354b4869e0f44ca289ae06b535827a7aefc08982effd2c9
SHA512

59b7137c0ef51746057b5dfd8ff09168a63e120898711914e7acb67393c109808ec73b77a56265de74b48e11ddc8ab4a81115e9c9435ebe019ec2a48eedad7f1
SSDEEP

384:TPHG946aVb9BezNZUG9bxcJ4SKKpK+dwQQC9EOAtFgyl8j3Bl//9NKa2HovbzOvp:jvV5vfDJHjRj3BxVTWJ1w3tXqSK

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
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4640 set thread context of 2460	4640	Refrence Order.exe	108
PID 2460 set thread context of 3724	2460	jsc.exe	109

Suspicious behavior: EnumeratesProcesses 42 IoCs

pid	Process
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe
4640	Refrence Order.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4640	Refrence Order.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2460	jsc.exe

Suspicious use of WriteProcessMemory 56 IoCs

description	pid	Process	procid_target
PID 4640 wrote to memory of 2912	4640	Refrence Order.exe	87
PID 4640 wrote to memory of 2912	4640	Refrence Order.exe	87
PID 4640 wrote to memory of 1544	4640	Refrence Order.exe	88
PID 4640 wrote to memory of 1544	4640	Refrence Order.exe	88
PID 4640 wrote to memory of 1560	4640	Refrence Order.exe	89
PID 4640 wrote to memory of 1560	4640	Refrence Order.exe	89
PID 4640 wrote to memory of 1924	4640	Refrence Order.exe	90
PID 4640 wrote to memory of 1924	4640	Refrence Order.exe	90
PID 4640 wrote to memory of 1924	4640	Refrence Order.exe	90
PID 4640 wrote to memory of 452	4640	Refrence Order.exe	91
PID 4640 wrote to memory of 452	4640	Refrence Order.exe	91
PID 4640 wrote to memory of 3220	4640	Refrence Order.exe	92
PID 4640 wrote to memory of 3220	4640	Refrence Order.exe	92
PID 4640 wrote to memory of 3300	4640	Refrence Order.exe	93
PID 4640 wrote to memory of 3300	4640	Refrence Order.exe	93
PID 4640 wrote to memory of 4000	4640	Refrence Order.exe	94
PID 4640 wrote to memory of 4000	4640	Refrence Order.exe	94
PID 4640 wrote to memory of 3620	4640	Refrence Order.exe	95
PID 4640 wrote to memory of 3620	4640	Refrence Order.exe	95
PID 4640 wrote to memory of 3164	4640	Refrence Order.exe	96
PID 4640 wrote to memory of 3164	4640	Refrence Order.exe	96
PID 4640 wrote to memory of 2676	4640	Refrence Order.exe	97
PID 4640 wrote to memory of 2676	4640	Refrence Order.exe	97
PID 4640 wrote to memory of 320	4640	Refrence Order.exe	98
PID 4640 wrote to memory of 320	4640	Refrence Order.exe	98
PID 4640 wrote to memory of 224	4640	Refrence Order.exe	99
PID 4640 wrote to memory of 224	4640	Refrence Order.exe	99
PID 4640 wrote to memory of 208	4640	Refrence Order.exe	100
PID 4640 wrote to memory of 208	4640	Refrence Order.exe	100
PID 4640 wrote to memory of 100	4640	Refrence Order.exe	101
PID 4640 wrote to memory of 100	4640	Refrence Order.exe	101
PID 4640 wrote to memory of 4748	4640	Refrence Order.exe	102
PID 4640 wrote to memory of 4748	4640	Refrence Order.exe	102
PID 4640 wrote to memory of 4412	4640	Refrence Order.exe	103
PID 4640 wrote to memory of 4412	4640	Refrence Order.exe	103
PID 4640 wrote to memory of 4488	4640	Refrence Order.exe	104
PID 4640 wrote to memory of 4488	4640	Refrence Order.exe	104
PID 4640 wrote to memory of 3060	4640	Refrence Order.exe	105
PID 4640 wrote to memory of 3060	4640	Refrence Order.exe	105
PID 4640 wrote to memory of 1768	4640	Refrence Order.exe	106
PID 4640 wrote to memory of 1768	4640	Refrence Order.exe	106
PID 4640 wrote to memory of 3540	4640	Refrence Order.exe	107
PID 4640 wrote to memory of 3540	4640	Refrence Order.exe	107
PID 4640 wrote to memory of 2460	4640	Refrence Order.exe	108
PID 4640 wrote to memory of 2460	4640	Refrence Order.exe	108
PID 4640 wrote to memory of 2460	4640	Refrence Order.exe	108
PID 4640 wrote to memory of 2460	4640	Refrence Order.exe	108
PID 4640 wrote to memory of 2460	4640	Refrence Order.exe	108
PID 4640 wrote to memory of 2460	4640	Refrence Order.exe	108
PID 4640 wrote to memory of 2460	4640	Refrence Order.exe	108
PID 4640 wrote to memory of 2460	4640	Refrence Order.exe	108
PID 2460 wrote to memory of 3724	2460	jsc.exe	109
PID 2460 wrote to memory of 3724	2460	jsc.exe	109
PID 2460 wrote to memory of 3724	2460	jsc.exe	109
PID 2460 wrote to memory of 3724	2460	jsc.exe	109
PID 2460 wrote to memory of 3724	2460	jsc.exe	109

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\Refrence Order.exe
"C:\Users\Admin\AppData\Local\Temp\Refrence Order.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4640
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ServiceModelReg.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ServiceModelReg.exe"
  2⤵
  PID:2912
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ilasm.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ilasm.exe"
  2⤵
  PID:1544
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.exe"
  2⤵
  PID:1560
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe"
  2⤵
  PID:1924
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_compiler.exe"
  2⤵
  PID:452
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe"
  2⤵
  PID:3220
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AppLaunch.exe"
  2⤵
  PID:3300
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_state.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_state.exe"
  2⤵
  PID:4000
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe"
  2⤵
  PID:3620
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regbrowsers.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regbrowsers.exe"
  2⤵
  PID:3164
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe"
  2⤵
  PID:2676
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe"
  2⤵
  PID:320
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe"
  2⤵
  PID:224
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe"
  2⤵
  PID:208
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regsql.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regsql.exe"
  2⤵
  PID:100
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SMSvcHost.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SMSvcHost.exe"
  2⤵
  PID:4748
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\CasPol.exe"
  2⤵
  PID:4412
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngentask.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngentask.exe"
  2⤵
  PID:4488
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\WsatConfig.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\WsatConfig.exe"
  2⤵
  PID:3060
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\DataSvcUtil.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\DataSvcUtil.exe"
  2⤵
  PID:1768
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_wp.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_wp.exe"
  2⤵
  PID:3540
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2460
- - 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:3724

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2460-136-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2460-139-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2460-142-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2460-146-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/3724-143-0x0000000000B60000-0x0000000000BC6000-memory.dmp

Filesize
408KB

Download
memory/3724-144-0x0000000005640000-0x00000000056DC000-memory.dmp

Filesize
624KB

Download
memory/4640-133-0x000001EB506B0000-0x000001EB506BA000-memory.dmp

Filesize
40KB

Download
memory/4640-134-0x000001EB6B010000-0x000001EB6B538000-memory.dmp

Filesize
5.2MB

Download
memory/4640-135-0x000001EB6AAB0000-0x000001EB6AAC0000-memory.dmp

Filesize
64KB

Download