Analysis
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max time kernel
138s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
26-04-2024 01:16
Static task
static1
Behavioral task
behavioral1
Sample
c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98.exe
Resource
win10v2004-20240412-en
General
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Target
c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98.exe
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Size
993KB
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MD5
55853a89a9d4048b5438189c4df76c7a
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SHA1
18998068b836d0f5b1c0a137b8344857b0a27036
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SHA256
c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98
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SHA512
08016375015d470d8a943188c61c51654d5efbfc4a48a9b9da174ccfa7f0b60bd541d0dbea3ad239870d7cc0744e2a6d186317d9d33e1301ba05e3f528e76280
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SSDEEP
24576:+wC9Dwa+7y9s21o5bs/7oG43YjImoL6IwMe2JK:WSRs1oNsBjIlLI
Malware Config
Extracted
Protocol: smtp- Host:
mail.fashionfiberbd.com - Port:
587 - Username:
[email protected] - Password:
aziz**8060
Extracted
agenttesla
Protocol: smtp- Host:
mail.fashionfiberbd.com - Port:
587 - Username:
[email protected] - Password:
aziz**8060 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 21 api.ipify.org 44 ip-api.com 19 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98.exedescription pid process target process PID 4256 set thread context of 1836 4256 c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98.exe jsc.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
jsc.exepid process 1836 jsc.exe 1836 jsc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98.exejsc.exedescription pid process Token: SeDebugPrivilege 4256 c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98.exe Token: SeDebugPrivilege 1836 jsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
jsc.exepid process 1836 jsc.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98.exedescription pid process target process PID 4256 wrote to memory of 1836 4256 c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98.exe jsc.exe PID 4256 wrote to memory of 1836 4256 c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98.exe jsc.exe PID 4256 wrote to memory of 1836 4256 c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98.exe jsc.exe PID 4256 wrote to memory of 1836 4256 c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98.exe jsc.exe PID 4256 wrote to memory of 1836 4256 c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98.exe jsc.exe PID 4256 wrote to memory of 1836 4256 c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98.exe jsc.exe PID 4256 wrote to memory of 1836 4256 c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98.exe jsc.exe PID 4256 wrote to memory of 1836 4256 c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98.exe jsc.exe PID 4256 wrote to memory of 4892 4256 c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98.exe jsc.exe PID 4256 wrote to memory of 4892 4256 c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98.exe jsc.exe PID 4256 wrote to memory of 4892 4256 c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98.exe jsc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98.exe"C:\Users\Admin\AppData\Local\Temp\c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4256 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1836 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"2⤵PID:4892
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1836-8-0x0000000005990000-0x00000000059F6000-memory.dmpFilesize
408KB
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memory/1836-10-0x00000000071F0000-0x0000000007240000-memory.dmpFilesize
320KB
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memory/1836-15-0x0000000007290000-0x000000000729A000-memory.dmpFilesize
40KB
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memory/1836-14-0x0000000007410000-0x00000000074A2000-memory.dmpFilesize
584KB
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memory/1836-13-0x0000000005850000-0x0000000005860000-memory.dmpFilesize
64KB
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memory/1836-5-0x0000000074A40000-0x00000000751F0000-memory.dmpFilesize
7.7MB
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memory/1836-12-0x0000000074A40000-0x00000000751F0000-memory.dmpFilesize
7.7MB
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memory/1836-6-0x0000000005E40000-0x00000000063E4000-memory.dmpFilesize
5.6MB
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memory/1836-4-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/1836-11-0x0000000007370000-0x000000000740C000-memory.dmpFilesize
624KB
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memory/1836-7-0x0000000005850000-0x0000000005860000-memory.dmpFilesize
64KB
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memory/4256-9-0x00007FFA29330000-0x00007FFA29DF1000-memory.dmpFilesize
10.8MB
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memory/4256-1-0x00007FFA29330000-0x00007FFA29DF1000-memory.dmpFilesize
10.8MB
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memory/4256-0-0x0000021D89D40000-0x0000021D89DA8000-memory.dmpFilesize
416KB
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memory/4256-3-0x0000021D8B940000-0x0000021D8B9D8000-memory.dmpFilesize
608KB
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memory/4256-2-0x0000021DA44D0000-0x0000021DA44E0000-memory.dmpFilesize
64KB