blustealer | 07b5f28986974af72c104d73b7cb807065e82b812d3686dd5b9bf7636032dad0

Analysis

max time kernel
135s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-10-2024 20:33

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General

Target

67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
Size

735KB
MD5

67491c190a2fcaa9e6beaa3170ff36ec
SHA1

7ca0a5302aad250079fed8c6e6ae8970a6d94bf1
SHA256

07b5f28986974af72c104d73b7cb807065e82b812d3686dd5b9bf7636032dad0
SHA512

6078548ab6c67758dd2fde1a703b77fcfc38858604086d7deacaf511fd63ee39984c7ee1fc7188503d70839ace2466f4ed8efd141513f2be9d2c2ce5e1f025f4
SSDEEP

12288:vCiBiCbOCWbmb49llets2gKf1a03Bfa0LXUOl03viwA3:vT4Nzmb49DpYf1a8a0LLC/ij

Score

10^/10

blustealer discovery persistence stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
bojtai.club
Port:
587
Username:
[email protected]
Password:
S8(OUzB)pvph

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\task = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\notep\\task.exe\""	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 916 set thread context of 2052	916	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	102

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
916	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
916	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	916	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2052	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 916 wrote to memory of 2052	916	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	102
PID 916 wrote to memory of 2052	916	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	102
PID 916 wrote to memory of 2052	916	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	102
PID 916 wrote to memory of 2052	916	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	102
PID 916 wrote to memory of 2052	916	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	102
PID 916 wrote to memory of 2052	916	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	102
PID 916 wrote to memory of 2052	916	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	102
PID 916 wrote to memory of 2052	916	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	102

C:\Users\Admin\AppData\Local\Temp\67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:916
- C:\Users\Admin\AppData\Local\Temp\67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/916-53-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-1954-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/916-2-0x0000000005190000-0x0000000005734000-memory.dmp

Filesize
5.6MB

Download
memory/916-3-0x0000000004B00000-0x0000000004B92000-memory.dmp

Filesize
584KB

Download
memory/916-5-0x0000000004BB0000-0x0000000004BBA000-memory.dmp

Filesize
40KB

Download
memory/916-4-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/916-6-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

Filesize
4KB

Download
memory/916-7-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/916-8-0x0000000005DB0000-0x0000000005E50000-memory.dmp

Filesize
640KB

Download
memory/916-9-0x0000000006220000-0x0000000006288000-memory.dmp

Filesize
416KB

Download
memory/916-15-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-11-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-10-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-25-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-73-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-71-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

Filesize
4KB

Download
memory/916-65-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-63-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-61-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-57-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-55-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-47-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-1-0x00000000001E0000-0x000000000029E000-memory.dmp

Filesize
760KB

Download
memory/916-67-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-45-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-43-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-39-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-37-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-35-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-31-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-29-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-27-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-23-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-21-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-19-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-17-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-13-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-69-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-60-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-51-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-41-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-33-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/916-49-0x0000000006220000-0x0000000006281000-memory.dmp

Filesize
388KB

Download
memory/2052-1951-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2052-1955-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download