blustealer | 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f

General

Target

PAYMENT SWIFT COPY.exe
Size

1.1MB
MD5

ec7c37ae9c0377f3240a274290c9c214
SHA1

432915cb9e9e860a84e142719bf0e82392c69a6a
SHA256

5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f
SHA512

326f282eb2a8c6f79de6f7019fc7d16be88345467301bc1d28c36f5c7094ac38ec206dc068d24c8bcecd0cb02e39af1d5070f839f9518f0e8e149ac5c5c0c576
SSDEEP

24576:KZUu39V1vMSb4gz1o5Ti81zSdyrjLDjFPR6KrXmTDa:yltsSkW1o5Tiouy/z6KrXmX

Score

10^/10

blustealer collection stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5916787654:AAEJEadEk6VSBHL82vTGRS9aaNuh-zG53Rg/sendMessage?chat_id=5483672364

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-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	PAYMENT SWIFT COPY.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2028 set thread context of 3284	2028	PAYMENT SWIFT COPY.exe	99
PID 3284 set thread context of 4308	3284	PAYMENT SWIFT COPY.exe	100

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

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
3588	schtasks.exe

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	45	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
400	powershell.exe
3628	powershell.exe
2028	PAYMENT SWIFT COPY.exe
2028	PAYMENT SWIFT COPY.exe
400	powershell.exe
3628	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	400	powershell.exe
Token: SeDebugPrivilege	3628	powershell.exe
Token: SeDebugPrivilege	2028	PAYMENT SWIFT COPY.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3284	PAYMENT SWIFT COPY.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 3628	2028	PAYMENT SWIFT COPY.exe	92
PID 2028 wrote to memory of 3628	2028	PAYMENT SWIFT COPY.exe	92
PID 2028 wrote to memory of 3628	2028	PAYMENT SWIFT COPY.exe	92
PID 2028 wrote to memory of 400	2028	PAYMENT SWIFT COPY.exe	94
PID 2028 wrote to memory of 400	2028	PAYMENT SWIFT COPY.exe	94
PID 2028 wrote to memory of 400	2028	PAYMENT SWIFT COPY.exe	94
PID 2028 wrote to memory of 3588	2028	PAYMENT SWIFT COPY.exe	96
PID 2028 wrote to memory of 3588	2028	PAYMENT SWIFT COPY.exe	96
PID 2028 wrote to memory of 3588	2028	PAYMENT SWIFT COPY.exe	96
PID 2028 wrote to memory of 1364	2028	PAYMENT SWIFT COPY.exe	98
PID 2028 wrote to memory of 1364	2028	PAYMENT SWIFT COPY.exe	98
PID 2028 wrote to memory of 1364	2028	PAYMENT SWIFT COPY.exe	98
PID 2028 wrote to memory of 3284	2028	PAYMENT SWIFT COPY.exe	99
PID 2028 wrote to memory of 3284	2028	PAYMENT SWIFT COPY.exe	99
PID 2028 wrote to memory of 3284	2028	PAYMENT SWIFT COPY.exe	99
PID 2028 wrote to memory of 3284	2028	PAYMENT SWIFT COPY.exe	99
PID 2028 wrote to memory of 3284	2028	PAYMENT SWIFT COPY.exe	99
PID 2028 wrote to memory of 3284	2028	PAYMENT SWIFT COPY.exe	99
PID 2028 wrote to memory of 3284	2028	PAYMENT SWIFT COPY.exe	99
PID 2028 wrote to memory of 3284	2028	PAYMENT SWIFT COPY.exe	99
PID 3284 wrote to memory of 4308	3284	PAYMENT SWIFT COPY.exe	100
PID 3284 wrote to memory of 4308	3284	PAYMENT SWIFT COPY.exe	100
PID 3284 wrote to memory of 4308	3284	PAYMENT SWIFT COPY.exe	100
PID 3284 wrote to memory of 4308	3284	PAYMENT SWIFT COPY.exe	100
PID 3284 wrote to memory of 4308	3284	PAYMENT SWIFT COPY.exe	100

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\PAYMENT SWIFT COPY.exe
"C:\Users\Admin\AppData\Local\Temp\PAYMENT SWIFT COPY.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PAYMENT SWIFT COPY.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3628
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QrErGuxRXcieO.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:400
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QrErGuxRXcieO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDE79.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3588
- C:\Users\Admin\AppData\Local\Temp\PAYMENT SWIFT COPY.exe
  "C:\Users\Admin\AppData\Local\Temp\PAYMENT SWIFT COPY.exe"
  2⤵
  PID:1364
- C:\Users\Admin\AppData\Local\Temp\PAYMENT SWIFT COPY.exe
  "C:\Users\Admin\AppData\Local\Temp\PAYMENT SWIFT COPY.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3284
- - 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:4308

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
c61a70e51b3eb8bcc332f7068e823fca

SHA1
a690e3665ccf97ba7483a94da232d13a8d6fb97d

SHA256
fff00d05bf51e827d80112d9e007c2ade5161b1ee73e7cb48280065b835affb6

SHA512
b56179dbdd420e2244b83f6fb8b80520b09469f6f14092e02629fab269580f959aaf82e3c0f075eafd587d7ce92fbda9d680941d5ee42fc8d7ca7e75625c61df

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0y5phkqu.pbp.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDE79.tmp

Filesize
1KB

MD5
eb886a86e40ae3dbab1094e2b73a529c

SHA1
c7aab5691dced2512033addb9ac63665911dcc35

SHA256
933efd074c91eaa92ddc30e9207ef8fb9e66c266270d501500a465e59eabd85e

SHA512
4faf42739626d01d37b90d21e1a53aa2bf6fc9313e7043ad7b6e5d40698ac4376477d5506489b77923bd9f0171a335b506f4f519e265e5c89f52799f6404e219

Download Submit
memory/400-202-0x000000007FAC0000-0x000000007FAD0000-memory.dmp

Filesize
64KB

Download
memory/400-181-0x00000000710A0000-0x00000000710EC000-memory.dmp

Filesize
304KB

Download
memory/400-210-0x00000000071D0000-0x00000000071D8000-memory.dmp

Filesize
32KB

Download
memory/400-209-0x00000000071F0000-0x000000000720A000-memory.dmp

Filesize
104KB

Download
memory/400-208-0x00000000070E0000-0x00000000070EE000-memory.dmp

Filesize
56KB

Download
memory/400-207-0x0000000007130000-0x00000000071C6000-memory.dmp

Filesize
600KB

Download
memory/400-205-0x0000000006EB0000-0x0000000006ECA000-memory.dmp

Filesize
104KB

Download
memory/400-148-0x0000000004D70000-0x0000000004DD6000-memory.dmp

Filesize
408KB

Download
memory/400-201-0x0000000000DB0000-0x0000000000DC0000-memory.dmp

Filesize
64KB

Download
memory/400-154-0x00000000055A0000-0x0000000005606000-memory.dmp

Filesize
408KB

Download
memory/400-179-0x00000000061A0000-0x00000000061D2000-memory.dmp

Filesize
200KB

Download
memory/400-196-0x0000000006140000-0x000000000615E000-memory.dmp

Filesize
120KB

Download
memory/400-177-0x0000000005BA0000-0x0000000005BBE000-memory.dmp

Filesize
120KB

Download
memory/400-174-0x0000000000DB0000-0x0000000000DC0000-memory.dmp

Filesize
64KB

Download
memory/2028-134-0x0000000005E90000-0x0000000006434000-memory.dmp

Filesize
5.6MB

Download
memory/2028-138-0x0000000005B60000-0x0000000005B70000-memory.dmp

Filesize
64KB

Download
memory/2028-135-0x0000000005980000-0x0000000005A12000-memory.dmp

Filesize
584KB

Download
memory/2028-139-0x0000000008CA0000-0x0000000008D3C000-memory.dmp

Filesize
624KB

Download
memory/2028-136-0x0000000005870000-0x000000000587A000-memory.dmp

Filesize
40KB

Download
memory/2028-137-0x0000000005B60000-0x0000000005B70000-memory.dmp

Filesize
64KB

Download
memory/2028-133-0x0000000000F00000-0x0000000001014000-memory.dmp

Filesize
1.1MB

Download
memory/3284-173-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/3284-178-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/3284-168-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/3628-204-0x0000000007F50000-0x00000000085CA000-memory.dmp

Filesize
6.5MB

Download
memory/3628-147-0x0000000005E60000-0x0000000005E82000-memory.dmp

Filesize
136KB

Download
memory/3628-206-0x0000000007970000-0x000000000797A000-memory.dmp

Filesize
40KB

Download
memory/3628-203-0x000000007FCA0000-0x000000007FCB0000-memory.dmp

Filesize
64KB

Download
memory/3628-145-0x0000000005700000-0x0000000005D28000-memory.dmp

Filesize
6.2MB

Download
memory/3628-144-0x0000000005090000-0x00000000050C6000-memory.dmp

Filesize
216KB

Download
memory/3628-169-0x0000000002D20000-0x0000000002D30000-memory.dmp

Filesize
64KB

Download
memory/3628-180-0x00000000710A0000-0x00000000710EC000-memory.dmp

Filesize
304KB

Download
memory/3628-172-0x0000000002D20000-0x0000000002D30000-memory.dmp

Filesize
64KB

Download
memory/4308-216-0x0000000000C10000-0x0000000000C76000-memory.dmp

Filesize
408KB

Download
memory/4308-217-0x00000000051E0000-0x00000000051F0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads