blustealer | 1d0e997a1e0cca7446644a5082da18ea191862c85a3e222b0296bdb158c2a387

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04-04-2024 01:16

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General

Target

abb26d1600dda55b1004b39d569178a8_JaffaCakes118.exe
Size

1.2MB
MD5

abb26d1600dda55b1004b39d569178a8
SHA1

8e6cba40d4ddd9d6ff6b781f79febbb47e58855b
SHA256

1d0e997a1e0cca7446644a5082da18ea191862c85a3e222b0296bdb158c2a387
SHA512

8d560a240bba2f915ff5a7b05bd061cbc68c8ce2268ee8b6815834f00452232e4f63da89e8d9b565dec45f0e9df232931676caae8ac6242995d14ad1222eb3e4
SSDEEP

12288:Jr5aOWToieigTrpPJQ1eFm06ua4xQ4HXXjwFROQcPf/6Pk15BOVCFrMJTpSLmTwJ:x5yyRZZ324nj2RGnyatKMgGphLdPe7kR

Score

10^/10

blustealer stealer

Malware Config

Extracted

Family

blustealer

https://api.telegram.org/bot1838876767:AAEiDKTcT_A4WBwpMo9nnrtBP7OvsmEUnNU/sendMessage?chat_id=1300181783

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
624	abb26d1600dda55b1004b39d569178a8_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 624 set thread context of 2140	624	abb26d1600dda55b1004b39d569178a8_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
2140	abb26d1600dda55b1004b39d569178a8_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 624 wrote to memory of 2140	624	abb26d1600dda55b1004b39d569178a8_JaffaCakes118.exe	28
PID 624 wrote to memory of 2140	624	abb26d1600dda55b1004b39d569178a8_JaffaCakes118.exe	28
PID 624 wrote to memory of 2140	624	abb26d1600dda55b1004b39d569178a8_JaffaCakes118.exe	28
PID 624 wrote to memory of 2140	624	abb26d1600dda55b1004b39d569178a8_JaffaCakes118.exe	28
PID 624 wrote to memory of 2140	624	abb26d1600dda55b1004b39d569178a8_JaffaCakes118.exe	28
PID 624 wrote to memory of 2140	624	abb26d1600dda55b1004b39d569178a8_JaffaCakes118.exe	28
PID 624 wrote to memory of 2140	624	abb26d1600dda55b1004b39d569178a8_JaffaCakes118.exe	28
PID 624 wrote to memory of 2140	624	abb26d1600dda55b1004b39d569178a8_JaffaCakes118.exe	28
PID 624 wrote to memory of 2140	624	abb26d1600dda55b1004b39d569178a8_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\abb26d1600dda55b1004b39d569178a8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\abb26d1600dda55b1004b39d569178a8_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:624
- C:\Users\Admin\AppData\Local\Temp\abb26d1600dda55b1004b39d569178a8_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\abb26d1600dda55b1004b39d569178a8_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2140

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

C:\Users\Admin\AppData\Local\Temp\nsd6F28.tmp\gyyrofsvwt.dll

Filesize
30KB

MD5
593ae51744a3a1518c88249d88f6e0d8

SHA1
799fc91d7871e4387fd487da8c066a5908263088

SHA256
f5b07baf233029ae6a86a512fd84161c07d27827ef0222eea9783296249f646b

SHA512
91d538a964f803b97b5983ca7bfab265cbfca1d481c9da7038d478bef56cea033cd9fc7acaf18b5a9680fb684cacab950df66fc9b4264ba8b5ed63c56e80cf6a

Download Submit
memory/624-7-0x0000000074A10000-0x0000000074A1C000-memory.dmp

Filesize
48KB

Download
memory/624-10-0x0000000074A10000-0x0000000074A1C000-memory.dmp

Filesize
48KB

Download
memory/2140-9-0x0000000000400000-0x0000000000504000-memory.dmp

Filesize
1.0MB

Download
memory/2140-12-0x0000000000400000-0x0000000000504000-memory.dmp

Filesize
1.0MB

Download
memory/2140-15-0x0000000000400000-0x0000000000504000-memory.dmp

Filesize
1.0MB

Download