blustealer | 31ff4a9756eab5f110bd19f1250d50cca5068054e99e73068929113aaccad0bd

General

Target

Btc payments copy_3000 usd_________________.exe
Size

915KB
MD5

fa78d1d0ef30fafdb9670abc29deb24e
SHA1

52b8bf6a36b6f4f74718c51c356112368110807f
SHA256

80877119f9ddd3a9f4740e0b04640d3fd1793787cfb9d45cc5f23ed318828b1b
SHA512

f9c96a1f2054ed926b39938594d8051ebe926044a15a3650b6fb9e9766ea50df6bcae4834381378c6959dc4489f86097863c44c5e6cdc0e28be0660e1794b1da
SSDEEP

12288:1FDc9F3nC0Py3gAhgqeJbNo6CBN0bm1acX3x81GzE0ELQ1wBDrUYSi142+y:15bN0RKWgE0mQ1wBfUFy+y

Score

10^/10

blustealer collection spyware stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
mail.sabaint.me
Port:
587
Username:
[email protected]
Password:
regina1983-

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
584	PASSWORDSNET4.exe

Loads dropped DLL 1 IoCs

pid	Process
2392	Btc payments copy_3000 usd_________________.exe

Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PASSWORDSNET4.exe
Key opened	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PASSWORDSNET4.exe
Key opened	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PASSWORDSNET4.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1536 set thread context of 2392	1536	Btc payments copy_3000 usd_________________.exe	33

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	PASSWORDSNET4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	PASSWORDSNET4.exe

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
2656	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1536	Btc payments copy_3000 usd_________________.exe
1536	Btc payments copy_3000 usd_________________.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2392	Btc payments copy_3000 usd_________________.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1536	Btc payments copy_3000 usd_________________.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2392	Btc payments copy_3000 usd_________________.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2392	Btc payments copy_3000 usd_________________.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1536 wrote to memory of 2656	1536	Btc payments copy_3000 usd_________________.exe	30
PID 1536 wrote to memory of 2656	1536	Btc payments copy_3000 usd_________________.exe	30
PID 1536 wrote to memory of 2656	1536	Btc payments copy_3000 usd_________________.exe	30
PID 1536 wrote to memory of 2656	1536	Btc payments copy_3000 usd_________________.exe	30
PID 1536 wrote to memory of 2152	1536	Btc payments copy_3000 usd_________________.exe	32
PID 1536 wrote to memory of 2152	1536	Btc payments copy_3000 usd_________________.exe	32
PID 1536 wrote to memory of 2152	1536	Btc payments copy_3000 usd_________________.exe	32
PID 1536 wrote to memory of 2152	1536	Btc payments copy_3000 usd_________________.exe	32
PID 1536 wrote to memory of 2392	1536	Btc payments copy_3000 usd_________________.exe	33
PID 1536 wrote to memory of 2392	1536	Btc payments copy_3000 usd_________________.exe	33
PID 1536 wrote to memory of 2392	1536	Btc payments copy_3000 usd_________________.exe	33
PID 1536 wrote to memory of 2392	1536	Btc payments copy_3000 usd_________________.exe	33
PID 1536 wrote to memory of 2392	1536	Btc payments copy_3000 usd_________________.exe	33
PID 1536 wrote to memory of 2392	1536	Btc payments copy_3000 usd_________________.exe	33
PID 1536 wrote to memory of 2392	1536	Btc payments copy_3000 usd_________________.exe	33
PID 1536 wrote to memory of 2392	1536	Btc payments copy_3000 usd_________________.exe	33
PID 1536 wrote to memory of 2392	1536	Btc payments copy_3000 usd_________________.exe	33
PID 2392 wrote to memory of 584	2392	Btc payments copy_3000 usd_________________.exe	34
PID 2392 wrote to memory of 584	2392	Btc payments copy_3000 usd_________________.exe	34
PID 2392 wrote to memory of 584	2392	Btc payments copy_3000 usd_________________.exe	34
PID 2392 wrote to memory of 584	2392	Btc payments copy_3000 usd_________________.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PASSWORDSNET4.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PASSWORDSNET4.exe

C:\Users\Admin\AppData\Local\Temp\Btc payments copy_3000 usd_________________.exe
"C:\Users\Admin\AppData\Local\Temp\Btc payments copy_3000 usd_________________.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1536
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vaGrwRJrTr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE82D.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2656
- C:\Users\Admin\AppData\Local\Temp\Btc payments copy_3000 usd_________________.exe
  "C:\Users\Admin\AppData\Local\Temp\Btc payments copy_3000 usd_________________.exe"
  2⤵
  PID:2152
- C:\Users\Admin\AppData\Local\Temp\Btc payments copy_3000 usd_________________.exe
  "C:\Users\Admin\AppData\Local\Temp\Btc payments copy_3000 usd_________________.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2392
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\PASSWORDSNET4.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\PASSWORDSNET4.exe
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Checks processor information in registry
    - outlook_office_path
    - outlook_win_path
    PID:584

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

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE82D.tmp

Filesize
1KB

MD5
5a5301253a983862ded1c68988b8e58f

SHA1
485e2ba5cc5762f38584d1bbf8cd31755ff96b05

SHA256
981f2f7b44f2d2cff44201c138f923e4be68d4c22dcadf22d6315280555271ad

SHA512
980234b6b679467dfe163c7bb3a62bb9e031f92f7d6f66ecfae8f3bb30de028a5eda8ca1907c381ab158c94a550e4e9e1905a6f4f0ae3cf92d04576aa61da68c

Download Submit
C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\TEMPLA~1\FBU0UA~1.ZIP

Filesize
122KB

MD5
37ac88bc53abcc353b3a93f68fb30871

SHA1
f5165c03b5de33db3704d502227bac35eae1c6c5

SHA256
7bc03158a3c0bcb001093d9d40eaf6b9a7adf14e685db68fbd9d0f135d447ebe

SHA512
01c65cbf90c2db90d0563d4a45650d4abd19e1a90bb8467f0e5a57ff1c6c377e3be8216f3324b81af58822b75a22b52f7317df985c11f3a7a45b72843134fc38

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\DJLAPDMX_Admin.zip

Filesize
401B

MD5
a91c9eb65ffa71f61f22059c5ba6b8aa

SHA1
0b3faee6b3b271e22b078c06483b39ab1d34195d

SHA256
e12c456b04d8296c3d13c9e2f00bee42ef78c33a15cc8a4129d8a7adf1585f20

SHA512
a9350b950dd0068664db41fe30753bdca8e644f900d0fddd226b355e6da6c4e56a02c582ccee1fe778d2e1fc0b5a174b6864ea64045d2195fbe042890955f055

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\DJLAPDMX_Admin.zip

Filesize
24B

MD5
98a833e15d18697e8e56cdafb0642647

SHA1
e5f94d969899646a3d4635f28a7cd9dd69705887

SHA256
ff006c86b5ec033fe3cafd759bf75be00e50c375c75157e99c0c5d39c96a2a6c

SHA512
c6f9a09d9707b770dbc10d47c4d9b949f4ebf5f030b5ef8c511b635c32d418ad25d72eee5d7ed02a96aeb8bf2c85491ca1aa0e4336d242793c886ed1bcdd910b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\PASSWORDSNET4.exe

Filesize
156KB

MD5
0c3c728a9b4376e014bc97f7b1da74f0

SHA1
de2253d0c3e02ea9d27ae6f46082cec9d0164a02

SHA256
05f0ac30ce02bc3608d957b40896240ae750da01393f4e26a8951fc7987959ca

SHA512
f610ae81854bc99086f139833b7d16b7e7634f53ef1125dc97d01611ec46c262e1f87dde31aa47a19e17a81334c4f25b4096d8e255460e3446bf45d656f5f81c

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\credentials.txt

Filesize
312B

MD5
8a1404f08bb70bf7ea2049be02316301

SHA1
1051fb019d4f021b066d7680aa2ce8785127ef69

SHA256
13a27a3884e8970d544e21ad5a4925f52d30b85d69c1e8d7c4f0d12d99d6a029

SHA512
c80b36903867ee148bde859ded411078731283cf807403013b068c0f744d203ef7ad0941aea18a37ad53e40271f94f42f3a133feb38b1c71e61bcaa9ec43b3e6

Download Submit
memory/584-105-0x000007FEF5770000-0x000007FEF615C000-memory.dmp

Filesize
9.9MB

Download
memory/584-100-0x000000001B390000-0x000000001B410000-memory.dmp

Filesize
512KB

Download
memory/584-99-0x000007FEF5770000-0x000007FEF615C000-memory.dmp

Filesize
9.9MB

Download
memory/584-98-0x0000000000040000-0x000000000006E000-memory.dmp

Filesize
184KB

Download
memory/1536-6-0x0000000007F20000-0x0000000007FC4000-memory.dmp

Filesize
656KB

Download
memory/1536-2-0x0000000004CF0000-0x0000000004D30000-memory.dmp

Filesize
256KB

Download
memory/1536-1-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/1536-3-0x0000000001E10000-0x0000000001E28000-memory.dmp

Filesize
96KB

Download
memory/1536-23-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/1536-4-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/1536-5-0x0000000004CF0000-0x0000000004D30000-memory.dmp

Filesize
256KB

Download
memory/1536-0-0x0000000000200000-0x00000000002EA000-memory.dmp

Filesize
936KB

Download
memory/1536-7-0x0000000001FD0000-0x0000000002008000-memory.dmp

Filesize
224KB

Download
memory/2392-13-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2392-14-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2392-22-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2392-20-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2392-15-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2392-112-0x0000000002860000-0x0000000002861000-memory.dmp

Filesize
4KB

Download
memory/2392-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2392-130-0x0000000002860000-0x0000000002861000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads