blustealer | 4677198e0721af982c01a7ffaafb2f29ae83ebaeb7a510d9d58ba260c74b1960

Analysis

max time kernel
39s
max time network
19s
platform
windows10-1703_x64
resource
win10-20230703-en
resource tags

arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system
submitted
16-07-2023 03:20

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General

Target

70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45.exe
Size

1.4MB
MD5

ed164e11ea8f141236b6196dac5bd879
SHA1

d06277b3d82a10ffeced147870a1c7cc65947ae0
SHA256

70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45
SHA512

996973f75d75a179091211a3d86f91138565add95f7d34089d9610fcfc4ba228c91d1fc830f2f49146db4752270c51702caaf4513fe6cd15df5f5a84427bdd55
SSDEEP

24576:7fdsbW0F+Rhk0JgdIpsiwO/QGoWP2qQF+2:O6k0i2qAQGoie

Score

10^/10

blustealer stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
mail.aakarveneers.com
Port:
587
Username:
[email protected]
Password:
milin@1982

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4692 set thread context of 864	4692	70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45.exe	71

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
868	schtasks.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
864	70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4692 wrote to memory of 868	4692	70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45.exe	70
PID 4692 wrote to memory of 868	4692	70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45.exe	70
PID 4692 wrote to memory of 868	4692	70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45.exe	70
PID 4692 wrote to memory of 864	4692	70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45.exe	71
PID 4692 wrote to memory of 864	4692	70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45.exe	71
PID 4692 wrote to memory of 864	4692	70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45.exe	71
PID 4692 wrote to memory of 864	4692	70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45.exe	71
PID 4692 wrote to memory of 864	4692	70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45.exe	71
PID 4692 wrote to memory of 864	4692	70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45.exe	71
PID 4692 wrote to memory of 864	4692	70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45.exe	71
PID 4692 wrote to memory of 864	4692	70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45.exe	71

C:\Users\Admin\AppData\Local\Temp\70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45.exe
"C:\Users\Admin\AppData\Local\Temp\70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4692
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YNkcJQK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp18E2.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:868
- C:\Users\Admin\AppData\Local\Temp\70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45.exe
  "C:\Users\Admin\AppData\Local\Temp\70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:864

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/864-135-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/864-142-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4692-125-0x0000000073270000-0x000000007395E000-memory.dmp

Filesize
6.9MB

Download
memory/4692-126-0x00000000054D0000-0x00000000054E0000-memory.dmp

Filesize
64KB

Download
memory/4692-121-0x00000000054D0000-0x00000000054E0000-memory.dmp

Filesize
64KB

Download
memory/4692-122-0x00000000079F0000-0x00000000079FA000-memory.dmp

Filesize
40KB

Download
memory/4692-123-0x000000000A460000-0x000000000A4FC000-memory.dmp

Filesize
624KB

Download
memory/4692-124-0x0000000002D90000-0x0000000002D9C000-memory.dmp

Filesize
48KB

Download
memory/4692-117-0x0000000000B50000-0x0000000000CB4000-memory.dmp

Filesize
1.4MB

Download
memory/4692-120-0x0000000007A60000-0x0000000007AF2000-memory.dmp

Filesize
584KB

Download
memory/4692-127-0x000000000A9E0000-0x000000000ADBA000-memory.dmp

Filesize
3.9MB

Download
memory/4692-128-0x000000000A8D0000-0x000000000A972000-memory.dmp

Filesize
648KB

Download
memory/4692-129-0x000000000A970000-0x000000000A9E0000-memory.dmp

Filesize
448KB

Download
memory/4692-119-0x0000000007EC0000-0x00000000083BE000-memory.dmp

Filesize
5.0MB

Download
memory/4692-140-0x0000000073270000-0x000000007395E000-memory.dmp

Filesize
6.9MB

Download
memory/4692-118-0x0000000073270000-0x000000007395E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads