blustealer | 9490a96656c76f667feb406d7a08c9a0a44eca1c8151ed6999000179549a92b1

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 10:49

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General

Target

JaffaCakes118_9490a96656c76f667feb406d7a08c9a0a44eca1c8151ed6999000179549a92b1.exe
Size

519KB
MD5

65ec3c266fbb29c78bd931faa10c7947
SHA1

e5dfa9b4f41ad608b7cf26040a83ecbc4e4378af
SHA256

9490a96656c76f667feb406d7a08c9a0a44eca1c8151ed6999000179549a92b1
SHA512

8823e7eccbfa351e1fdf71a2f1c0a8430a37ce10bb3d11facf269408263a269c22fcccfd5cbf449693f894eccb780bf9f10f4f93248b506d641de098c6bab592
SSDEEP

6144:rGiP8k7NOQlfIFvnqzp6uAH8PiIIDNvFSsEIxIfFMIgvcVWRYeciBMh0nn5mpU4r:YD8faqM8PpIDtz+v8Yefp+j2GMkgmT

Score

10^/10

blustealer discovery stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
mail.dm-teh.com
Port:
587
Username:
[email protected]
Password:
Vm@(O;CO.vEQ

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2172	JaffaCakes118_9490a96656c76f667feb406d7a08c9a0a44eca1c8151ed6999000179549a92b1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2172 set thread context of 2796	2172	JaffaCakes118_9490a96656c76f667feb406d7a08c9a0a44eca1c8151ed6999000179549a92b1.exe	31

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	JaffaCakes118_9490a96656c76f667feb406d7a08c9a0a44eca1c8151ed6999000179549a92b1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9490a96656c76f667feb406d7a08c9a0a44eca1c8151ed6999000179549a92b1.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2796	JaffaCakes118_9490a96656c76f667feb406d7a08c9a0a44eca1c8151ed6999000179549a92b1.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2796	2172	JaffaCakes118_9490a96656c76f667feb406d7a08c9a0a44eca1c8151ed6999000179549a92b1.exe	31
PID 2172 wrote to memory of 2796	2172	JaffaCakes118_9490a96656c76f667feb406d7a08c9a0a44eca1c8151ed6999000179549a92b1.exe	31
PID 2172 wrote to memory of 2796	2172	JaffaCakes118_9490a96656c76f667feb406d7a08c9a0a44eca1c8151ed6999000179549a92b1.exe	31
PID 2172 wrote to memory of 2796	2172	JaffaCakes118_9490a96656c76f667feb406d7a08c9a0a44eca1c8151ed6999000179549a92b1.exe	31
PID 2172 wrote to memory of 2796	2172	JaffaCakes118_9490a96656c76f667feb406d7a08c9a0a44eca1c8151ed6999000179549a92b1.exe	31
PID 2172 wrote to memory of 2796	2172	JaffaCakes118_9490a96656c76f667feb406d7a08c9a0a44eca1c8151ed6999000179549a92b1.exe	31
PID 2172 wrote to memory of 2796	2172	JaffaCakes118_9490a96656c76f667feb406d7a08c9a0a44eca1c8151ed6999000179549a92b1.exe	31
PID 2172 wrote to memory of 2796	2172	JaffaCakes118_9490a96656c76f667feb406d7a08c9a0a44eca1c8151ed6999000179549a92b1.exe	31
PID 2172 wrote to memory of 2796	2172	JaffaCakes118_9490a96656c76f667feb406d7a08c9a0a44eca1c8151ed6999000179549a92b1.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9490a96656c76f667feb406d7a08c9a0a44eca1c8151ed6999000179549a92b1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9490a96656c76f667feb406d7a08c9a0a44eca1c8151ed6999000179549a92b1.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9490a96656c76f667feb406d7a08c9a0a44eca1c8151ed6999000179549a92b1.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9490a96656c76f667feb406d7a08c9a0a44eca1c8151ed6999000179549a92b1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nstFA76.tmp\yenf.dll

Filesize
72KB

MD5
46c925d5eaaaf5a7cdd55ffc845d037c

SHA1
df0fc5da0fd9a0d288abac007e2ce470911fe25d

SHA256
649b6cf91616337859aa74ec46fbdcfed6859475bb689c49c84eafdf33f796ec

SHA512
9e124847e59a37ad9c11fdd94e5a8e0b4e93a273c43daecf2d357c94ffb55387b7070b45af688566a9d762cb7ad78cd4412b84ff32892a6fb7c8a7c8c3d53373

Download Submit
memory/2172-9-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2796-10-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2796-17-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download