blustealer | 33b266ec8faff2cef0a77d1c0ea818608764a2c2c0d8350911d50ab8266ab9dc

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
02-04-2024 07:29

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General

Target

864c6461a405628b69fb52e1cad9d845_JaffaCakes118.exe
Size

479KB
MD5

864c6461a405628b69fb52e1cad9d845
SHA1

bd92998beb96c5bbc013326b4e9f97aa71b0da07
SHA256

33b266ec8faff2cef0a77d1c0ea818608764a2c2c0d8350911d50ab8266ab9dc
SHA512

927cc76cb6c9d525e540ea3aec0606020dbf8bea309bd08cdf29adfc49a7e0c1043eb9dadef596b537b0322e37c395cf75433967e952a20d76d3683885c3bedf
SSDEEP

12288:ysOZAy3/0P5tMqm3aCc+MWSk8xewTFSNgMliFl:Pyp/E5tMKCc+Mvk8xeWFSN3il

Score

10^/10

blustealer stealer

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
1660	864c6461a405628b69fb52e1cad9d845_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1660 set thread context of 2960	1660	864c6461a405628b69fb52e1cad9d845_JaffaCakes118.exe	28

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2960	864c6461a405628b69fb52e1cad9d845_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 2960	1660	864c6461a405628b69fb52e1cad9d845_JaffaCakes118.exe	28
PID 1660 wrote to memory of 2960	1660	864c6461a405628b69fb52e1cad9d845_JaffaCakes118.exe	28
PID 1660 wrote to memory of 2960	1660	864c6461a405628b69fb52e1cad9d845_JaffaCakes118.exe	28
PID 1660 wrote to memory of 2960	1660	864c6461a405628b69fb52e1cad9d845_JaffaCakes118.exe	28
PID 1660 wrote to memory of 2960	1660	864c6461a405628b69fb52e1cad9d845_JaffaCakes118.exe	28
PID 1660 wrote to memory of 2960	1660	864c6461a405628b69fb52e1cad9d845_JaffaCakes118.exe	28
PID 1660 wrote to memory of 2960	1660	864c6461a405628b69fb52e1cad9d845_JaffaCakes118.exe	28
PID 1660 wrote to memory of 2960	1660	864c6461a405628b69fb52e1cad9d845_JaffaCakes118.exe	28
PID 1660 wrote to memory of 2960	1660	864c6461a405628b69fb52e1cad9d845_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\864c6461a405628b69fb52e1cad9d845_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\864c6461a405628b69fb52e1cad9d845_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Users\Admin\AppData\Local\Temp\864c6461a405628b69fb52e1cad9d845_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\864c6461a405628b69fb52e1cad9d845_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsyEC1.tmp\olldmhffoaz.dll

Filesize
22KB

MD5
374e00e1b931d7e06c74d4ce9c9476a3

SHA1
5f199903f9b64b10e218b4d98621f7c2b02b11d9

SHA256
80f175c88444e4c1388bdc3560f9c44b9fb3a24861f20bbedab4b5dfd69d10ef

SHA512
470793bc592c7ec78cc1dec91ebe48d6136c60d179512782b8b41532d372a8293c53913653931b3c74d1544fb038e1fc649cac745bd65310c1ffc88606350ad4

Download Submit
memory/1660-7-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

Download
memory/1660-11-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

Download
memory/2960-9-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/2960-12-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/2960-15-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/2960-16-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download