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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	Btc payments copy_3000 usd_________________.exe

Executes dropped EXE 1 IoCs

pid	Process
4868	PASSWORDSNET4.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-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PASSWORDSNET4.exe
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PASSWORDSNET4.exe
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\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 4356 set thread context of 880	4356	Btc payments copy_3000 usd_________________.exe	97

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
1308	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
880	Btc payments copy_3000 usd_________________.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
880	Btc payments copy_3000 usd_________________.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
880	Btc payments copy_3000 usd_________________.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4356 wrote to memory of 1308	4356	Btc payments copy_3000 usd_________________.exe	96
PID 4356 wrote to memory of 1308	4356	Btc payments copy_3000 usd_________________.exe	96
PID 4356 wrote to memory of 1308	4356	Btc payments copy_3000 usd_________________.exe	96
PID 4356 wrote to memory of 880	4356	Btc payments copy_3000 usd_________________.exe	97
PID 4356 wrote to memory of 880	4356	Btc payments copy_3000 usd_________________.exe	97
PID 4356 wrote to memory of 880	4356	Btc payments copy_3000 usd_________________.exe	97
PID 4356 wrote to memory of 880	4356	Btc payments copy_3000 usd_________________.exe	97
PID 4356 wrote to memory of 880	4356	Btc payments copy_3000 usd_________________.exe	97
PID 4356 wrote to memory of 880	4356	Btc payments copy_3000 usd_________________.exe	97
PID 4356 wrote to memory of 880	4356	Btc payments copy_3000 usd_________________.exe	97
PID 4356 wrote to memory of 880	4356	Btc payments copy_3000 usd_________________.exe	97
PID 880 wrote to memory of 4868	880	Btc payments copy_3000 usd_________________.exe	99
PID 880 wrote to memory of 4868	880	Btc payments copy_3000 usd_________________.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PASSWORDSNET4.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4356
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vaGrwRJrTr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF81B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1308
- 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⤵
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:880
- - 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:4868

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

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF81B.tmp

Filesize
1KB

MD5
da40d72963a60aa7fd17f76de0522e90

SHA1
8dbf38878764be8bf5188709027f0baab0aa4fa2

SHA256
8c452c2b24d0390bf425b5125688151d6e9daf53c8cc64e61f3e21a6fd4048f8

SHA512
77f5b3365b0882ee68fbced107455447ca2559e4ceebcc284dd0888bacb97c7a102fd5129b8b2ce7baa0437b70aadd1a796df8e0f54c670e68959d32295a3441

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

Filesize
24B

MD5
98a833e15d18697e8e56cdafb0642647

SHA1
e5f94d969899646a3d4635f28a7cd9dd69705887

SHA256
ff006c86b5ec033fe3cafd759bf75be00e50c375c75157e99c0c5d39c96a2a6c

SHA512
c6f9a09d9707b770dbc10d47c4d9b949f4ebf5f030b5ef8c511b635c32d418ad25d72eee5d7ed02a96aeb8bf2c85491ca1aa0e4336d242793c886ed1bcdd910b

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

Filesize
522B

MD5
ac7d09fe86b6833b58933fc01b22281d

SHA1
1e21030ad12605d355b0f9d9c709dc4122bcf1e4

SHA256
a2d05cff1fc6f544daae39cbbaa630c8e9e795443249f0630c669620f411e2f6

SHA512
4f7392c362521edf717984ca3527b262c9cf443fb6e634b947cb2b88993beb2afd6fc2a1c2d3fe2e78f0583e0cfe2e9bec97600e4430d017a421440ef53524ee

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

Filesize
51KB

MD5
1217c1fadceab5fd4c05a0dac46c3d7e

SHA1
bba118da5ccf278dbf0b394e61e534f8da8065ed

SHA256
e45a2b18af766bab4658d27083a7d6efbc1323f37ab94ddfd78b2d82b962cfb6

SHA512
f2e4db0bcb9ab47c13ebdea3ab057adefad1530586a03124e23682cc038faca4a9f1d65a904b97efa54dc4aef80487d6cc342b6a4d3be49c1eac97c4da546812

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

Filesize
18KB

MD5
a1961b0ed1a5dc4184b10fa75b517e63

SHA1
363667c79758d3ef0f19a632db3964771d524244

SHA256
97b37835e90a5dcaef2e6ecf8c4b003b4f083ba86090e39e61fc9e94dbb319a5

SHA512
7386cf9c858214a96ec9155e7c6b8bcc3833d1a50c56129bc25cd16247455c905a5f337fe1fce13c00e51ad29c050fae6aac4780c74df2ebb52989e4052c137f

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\VNMC4ZSKAY.zip

Filesize
27KB

MD5
9f5d3612fa27abfaac710b05281f7fa3

SHA1
c027790f91c8a5c9baa226e5d05cb902e0c3431c

SHA256
db5ed55e082b17e9c1ee552b0a42199ed2fa4cdeb50d828c9beb13d4de025b9f

SHA512
5b654d1cda81c8de3012f61d74e01b495fbdb30590f7084977305580054e868a24825998f69a224efc9324abf20167d4a86ab0394ed9c4ca0043bccc9229f1ce

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

Filesize
1KB

MD5
ec9a5ed52c4565187bdb2c4bde91ed13

SHA1
9a98f43c91ee5dc9673c1a7cce62cba85acb1bc2

SHA256
aacee479a1b7a6ea93801c419812dc3c8d556739d4b702d57301179a20b5b5b3

SHA512
37145e0e56326ff0ec5b3a4dab931508b56701da450666dca1c51a3dbba4e5c849b71cf7e4b375ada8c5fb18f02fc7dfd7bb721e7f586af065981b2bcfa66542

Download Submit
memory/880-108-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/880-18-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/880-21-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4356-22-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/4356-5-0x0000000004E50000-0x0000000004E60000-memory.dmp

Filesize
64KB

Download
memory/4356-12-0x0000000007C50000-0x0000000007C88000-memory.dmp

Filesize
224KB

Download
memory/4356-10-0x0000000004E50000-0x0000000004E60000-memory.dmp

Filesize
64KB

Download
memory/4356-0-0x00000000003B0000-0x000000000049A000-memory.dmp

Filesize
936KB

Download
memory/4356-9-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/4356-8-0x00000000053F0000-0x0000000005408000-memory.dmp

Filesize
96KB

Download
memory/4356-6-0x0000000004E60000-0x0000000004E6A000-memory.dmp

Filesize
40KB

Download
memory/4356-7-0x0000000005170000-0x00000000051C6000-memory.dmp

Filesize
344KB

Download
memory/4356-11-0x0000000007E50000-0x0000000007EF4000-memory.dmp

Filesize
656KB

Download
memory/4356-2-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/4356-1-0x0000000004EB0000-0x0000000004F4C000-memory.dmp

Filesize
624KB

Download
memory/4356-3-0x0000000005500000-0x0000000005AA4000-memory.dmp

Filesize
5.6MB

Download
memory/4356-4-0x0000000004F50000-0x0000000004FE2000-memory.dmp

Filesize
584KB

Download
memory/4868-101-0x0000000000DF0000-0x0000000000E00000-memory.dmp

Filesize
64KB

Download
memory/4868-107-0x00007FFCB6B00000-0x00007FFCB75C1000-memory.dmp

Filesize
10.8MB

Download
memory/4868-97-0x00007FFCB6B00000-0x00007FFCB75C1000-memory.dmp

Filesize
10.8MB

Download
memory/4868-96-0x00000000004F0000-0x000000000051E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads