blustealer | 07b5f28986974af72c104d73b7cb807065e82b812d3686dd5b9bf7636032dad0

Analysis

max time kernel
118s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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-1-5-21-2872745919-2748461613-2989606286-1000\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 1620 set thread context of 8932	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	35

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 18 IoCs

pid	Process
1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
8932	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 8900	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	31
PID 1620 wrote to memory of 8900	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	31
PID 1620 wrote to memory of 8900	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	31
PID 1620 wrote to memory of 8900	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	31
PID 1620 wrote to memory of 8908	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	32
PID 1620 wrote to memory of 8908	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	32
PID 1620 wrote to memory of 8908	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	32
PID 1620 wrote to memory of 8908	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	32
PID 1620 wrote to memory of 8916	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	33
PID 1620 wrote to memory of 8916	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	33
PID 1620 wrote to memory of 8916	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	33
PID 1620 wrote to memory of 8916	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	33
PID 1620 wrote to memory of 8924	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	34
PID 1620 wrote to memory of 8924	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	34
PID 1620 wrote to memory of 8924	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	34
PID 1620 wrote to memory of 8924	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	34
PID 1620 wrote to memory of 8932	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	35
PID 1620 wrote to memory of 8932	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	35
PID 1620 wrote to memory of 8932	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	35
PID 1620 wrote to memory of 8932	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	35
PID 1620 wrote to memory of 8932	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	35
PID 1620 wrote to memory of 8932	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	35
PID 1620 wrote to memory of 8932	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	35
PID 1620 wrote to memory of 8932	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	35
PID 1620 wrote to memory of 8932	1620	67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe	35

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:1620
- C:\Users\Admin\AppData\Local\Temp\67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
  2⤵
  PID:8900
- C:\Users\Admin\AppData\Local\Temp\67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
  2⤵
  PID:8908
- C:\Users\Admin\AppData\Local\Temp\67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
  2⤵
  PID:8916
- C:\Users\Admin\AppData\Local\Temp\67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\67491c190a2fcaa9e6beaa3170ff36ec_JaffaCakes118.exe
  2⤵
  PID:8924
- 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:8932

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/1620-52-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-3-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/1620-2-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/1620-50-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-4-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/1620-5-0x0000000004F00000-0x0000000004FA0000-memory.dmp

Filesize
640KB

Download
memory/1620-6-0x0000000004370000-0x00000000043D8000-memory.dmp

Filesize
416KB

Download
memory/1620-12-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-10-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-8-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-7-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-70-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-68-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-66-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-64-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-48-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-60-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-58-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-56-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-54-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-1956-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/1620-1-0x0000000000200000-0x00000000002BE000-memory.dmp

Filesize
760KB

Download
memory/1620-62-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-46-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-44-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-42-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-40-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-38-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-36-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-34-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-32-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-30-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-28-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-26-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-24-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-22-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-20-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-18-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-16-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-14-0x0000000004370000-0x00000000043D1000-memory.dmp

Filesize
388KB

Download
memory/1620-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/8932-1954-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/8932-1957-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download