blustealer | 1d03149eb8839cefbe072e5fed04a5a775f856b53ffa1373f235a6a5ddceb553

General

Target

e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe
Size

720KB
MD5

e9ae8d2f81cc2981ae784f3648040a92
SHA1

d9a19d08b817a88feaf08e00eee8a0479663a960
SHA256

1d03149eb8839cefbe072e5fed04a5a775f856b53ffa1373f235a6a5ddceb553
SHA512

f3ec9ededf32237cc22f5e303e00ee422b8e0d16c2ba789224808d069364ea9cbaf51d969e32e2b87086a1566c1528ef3f3d7cbfa494cbdd1d08ecac412fa1eb
SSDEEP

12288:uQWRct2NjFmzP1Wy4ASG3smyH0/X6BDWaozKnaoEe0N:u7RcMNjgWy4ASG3K4KtvcRoE

Score

10^/10

blustealer discovery persistence spyware stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot1802269231:AAELtF2SraPZQTuiNsCQFsNfPKlpc9jYjSk/sendMessage?chat_id=1817981127

Signatures

BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer
Blustealer family
blustealer
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

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\rRajA = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe"	e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2716 set thread context of 4196	2716	e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe	101

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

System Information Discovery
T1082

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	e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe

Script User-Agent 1 IoCs

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

description	flow	ioc
HTTP User-Agent header	35	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4196	e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 4196	2716	e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe	101
PID 2716 wrote to memory of 4196	2716	e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe	101
PID 2716 wrote to memory of 4196	2716	e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe	101
PID 2716 wrote to memory of 4196	2716	e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe	101
PID 2716 wrote to memory of 4196	2716	e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe	101
PID 2716 wrote to memory of 4196	2716	e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe	101
PID 2716 wrote to memory of 4196	2716	e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe	101
PID 2716 wrote to memory of 4196	2716	e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe	101

C:\Users\Admin\AppData\Local\Temp\e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Users\Admin\AppData\Local\Temp\e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4196

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/2716-8-0x0000000006810000-0x0000000006B64000-memory.dmp

Filesize
3.3MB

Download
memory/2716-4-0x0000000005650000-0x00000000056EC000-memory.dmp

Filesize
624KB

Download
memory/2716-0-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

Filesize
4KB

Download
memory/2716-3-0x00000000055B0000-0x0000000005642000-memory.dmp

Filesize
584KB

Download
memory/2716-9-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

Filesize
4KB

Download
memory/2716-5-0x00000000057E0000-0x00000000057EA000-memory.dmp

Filesize
40KB

Download
memory/2716-6-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/2716-10-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/2716-2-0x0000000005B60000-0x0000000006104000-memory.dmp

Filesize
5.6MB

Download
memory/2716-1-0x0000000000B10000-0x0000000000BCA000-memory.dmp

Filesize
744KB

Download
memory/2716-7-0x0000000005B30000-0x0000000005B4A000-memory.dmp

Filesize
104KB

Download
memory/2716-11-0x00000000070C0000-0x0000000007146000-memory.dmp

Filesize
536KB

Download
memory/2716-12-0x0000000009710000-0x0000000009728000-memory.dmp

Filesize
96KB

Download
memory/2716-19-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/4196-15-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4196-13-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4196-20-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads