blustealer | a636ac86f3f8c1341dd201eedfd702495aa0e313322d5c1318a5d1b623f0bb9d

Analysis

max time kernel
140s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-10-2024 06:43

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General

Target

5b55d6c34fb68f8b4bc9e361ee038641_JaffaCakes118.exe
Size

684KB
MD5

5b55d6c34fb68f8b4bc9e361ee038641
SHA1

89e0d1840e1d4e6a708e0fabf376609863377a9f
SHA256

a636ac86f3f8c1341dd201eedfd702495aa0e313322d5c1318a5d1b623f0bb9d
SHA512

c45fb18cf1cf3aaea3ccc4425e12841c7c90cb610894f85e19c5fe831bfb8e93aab92572688a07e0677fd829023e5a963ff894045eef98941b54da56befffffc
SSDEEP

12288:0XCYJDX9rBoUX58/sSHZ4+3hGx5DkYjSs2:JYJDFBFX5CsMQ5dSs2

Score

10^/10

blustealer discovery persistence stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
reptw.xyz
Port:
587
Username:
[email protected]
Password:
52u[w;$s$7Mn

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paint = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\paint\\paint.exe\""	5b55d6c34fb68f8b4bc9e361ee038641_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3256 set thread context of 6008	3256	5b55d6c34fb68f8b4bc9e361ee038641_JaffaCakes118.exe	104

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	5b55d6c34fb68f8b4bc9e361ee038641_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5b55d6c34fb68f8b4bc9e361ee038641_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3256	5b55d6c34fb68f8b4bc9e361ee038641_JaffaCakes118.exe
3256	5b55d6c34fb68f8b4bc9e361ee038641_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3256	5b55d6c34fb68f8b4bc9e361ee038641_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
6008	5b55d6c34fb68f8b4bc9e361ee038641_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3256 wrote to memory of 6008	3256	5b55d6c34fb68f8b4bc9e361ee038641_JaffaCakes118.exe	104
PID 3256 wrote to memory of 6008	3256	5b55d6c34fb68f8b4bc9e361ee038641_JaffaCakes118.exe	104
PID 3256 wrote to memory of 6008	3256	5b55d6c34fb68f8b4bc9e361ee038641_JaffaCakes118.exe	104
PID 3256 wrote to memory of 6008	3256	5b55d6c34fb68f8b4bc9e361ee038641_JaffaCakes118.exe	104
PID 3256 wrote to memory of 6008	3256	5b55d6c34fb68f8b4bc9e361ee038641_JaffaCakes118.exe	104
PID 3256 wrote to memory of 6008	3256	5b55d6c34fb68f8b4bc9e361ee038641_JaffaCakes118.exe	104
PID 3256 wrote to memory of 6008	3256	5b55d6c34fb68f8b4bc9e361ee038641_JaffaCakes118.exe	104
PID 3256 wrote to memory of 6008	3256	5b55d6c34fb68f8b4bc9e361ee038641_JaffaCakes118.exe	104

C:\Users\Admin\AppData\Local\Temp\5b55d6c34fb68f8b4bc9e361ee038641_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5b55d6c34fb68f8b4bc9e361ee038641_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:3256
- C:\Users\Admin\AppData\Local\Temp\5b55d6c34fb68f8b4bc9e361ee038641_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\5b55d6c34fb68f8b4bc9e361ee038641_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:6008

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/3256-51-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-2208-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3256-2-0x0000000005420000-0x00000000059C4000-memory.dmp

Filesize
5.6MB

Download
memory/3256-3-0x0000000004E70000-0x0000000004F02000-memory.dmp

Filesize
584KB

Download
memory/3256-4-0x0000000005010000-0x000000000501A000-memory.dmp

Filesize
40KB

Download
memory/3256-5-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3256-6-0x000000007461E000-0x000000007461F000-memory.dmp

Filesize
4KB

Download
memory/3256-7-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3256-8-0x0000000006140000-0x00000000061E8000-memory.dmp

Filesize
672KB

Download
memory/3256-9-0x00000000064B0000-0x0000000006522000-memory.dmp

Filesize
456KB

Download
memory/3256-29-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-41-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-73-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-71-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-69-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-67-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-0-0x000000007461E000-0x000000007461F000-memory.dmp

Filesize
4KB

Download
memory/3256-63-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-61-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-59-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-57-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-55-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-47-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-1-0x0000000000540000-0x00000000005F2000-memory.dmp

Filesize
712KB

Download
memory/3256-65-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-45-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-43-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-39-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-37-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-35-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-33-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-31-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-27-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-25-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-23-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-21-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-19-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-17-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-15-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-13-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-53-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-11-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-10-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/3256-49-0x00000000064B0000-0x000000000651C000-memory.dmp

Filesize
432KB

Download
memory/6008-2205-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/6008-2209-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download