e58908d345b9702c1f06724f725d4ab83808a59e7d8612be306e50284f66fdaa

Analysis

max time kernel
149s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
13/01/2024, 16:04

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General

Target

59239dcbf664892204fd187dc0146ad4.exe
Size

114KB
MD5

59239dcbf664892204fd187dc0146ad4
SHA1

333c9594aec03cee1cefff610fa6b773ebc132f9
SHA256

e58908d345b9702c1f06724f725d4ab83808a59e7d8612be306e50284f66fdaa
SHA512

08a6f8b0e0e4bd21bc01611b7c7af9ccb50540458a06f0e9c687ac8437c9b18c073ce71cdf4f1ba993a538705407823010e6606ae03c64b36d8cc14e65e918a9
SSDEEP

1536:IfvyqZnQBjnbkBSN9M6VWqnpJD8NV47s+5KIU/yKsJVy6cQ:IfXnoLbbHM6VWApt8347s+5KP/yKu

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2060	mastertalk.exe

Loads dropped DLL 2 IoCs

pid	Process
1100	59239dcbf664892204fd187dc0146ad4.exe
1100	59239dcbf664892204fd187dc0146ad4.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

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-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Run\Conversador = "C:\\Users\\Admin\\AppData\\Roaming\\mastertalk.exe"	mastertalk.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2060	mastertalk.exe
2060	mastertalk.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 2060	1100	59239dcbf664892204fd187dc0146ad4.exe	28
PID 1100 wrote to memory of 2060	1100	59239dcbf664892204fd187dc0146ad4.exe	28
PID 1100 wrote to memory of 2060	1100	59239dcbf664892204fd187dc0146ad4.exe	28
PID 1100 wrote to memory of 2060	1100	59239dcbf664892204fd187dc0146ad4.exe	28

C:\Users\Admin\AppData\Local\Temp\59239dcbf664892204fd187dc0146ad4.exe
"C:\Users\Admin\AppData\Local\Temp\59239dcbf664892204fd187dc0146ad4.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Users\Admin\AppData\Roaming\mastertalk.exe
  C:\Users\Admin\AppData\Roaming\mastertalk.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:2060

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Roaming\mastertalk.exe

Filesize
114KB

MD5
59239dcbf664892204fd187dc0146ad4

SHA1
333c9594aec03cee1cefff610fa6b773ebc132f9

SHA256
e58908d345b9702c1f06724f725d4ab83808a59e7d8612be306e50284f66fdaa

SHA512
08a6f8b0e0e4bd21bc01611b7c7af9ccb50540458a06f0e9c687ac8437c9b18c073ce71cdf4f1ba993a538705407823010e6606ae03c64b36d8cc14e65e918a9

Download Submit
memory/1100-9-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2060-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2060-12-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2060-13-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2060-14-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2060-15-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2060-16-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2060-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2060-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2060-19-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2060-20-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2060-21-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2060-22-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2060-23-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2060-24-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download