Analysis
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max time kernel
149s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
27-03-2024 06:47
Static task
static1
Behavioral task
behavioral1
Sample
_____S__.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
_____S__.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240226-en
General
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Target
_____S__.exe
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Size
721KB
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MD5
d555c9f03a1666ab0c162b497b495301
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SHA1
bb9c497dbb935a0ee7ea369937a1a9939fda8a57
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SHA256
58fce91551ddbdd915ed2cc71a2d7f2a5f354ea137365cba589affb21bfb5301
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SHA512
0a21d6ffdc383d62c5b36df8c020a9ea4ec505a4c1e3d11f62d673a3fe746b114a2816d62d6a89ac0decb3ff140ba2c2b27bc37cf57ed6b9cdd4551e96ea6448
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SSDEEP
12288:Mo9jWnGPB89f2Re0XBhcpmTywmHBjLrAT:MGjr8pd0QnwOrAT
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.fredy.ee - Port:
21 - Username:
[email protected] - Password:
playingboyz231
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Loads dropped DLL 1 IoCs
Processes:
_____S__.exepid process 2632 _____S__.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops file in System32 directory 1 IoCs
Processes:
_____S__.exedescription ioc process File opened for modification C:\Windows\SysWOW64\rnnebrs\skifteres.ind _____S__.exe -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
Processes:
_____S__.exepid process 1464 _____S__.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
_____S__.exe_____S__.exepid process 2632 _____S__.exe 1464 _____S__.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
_____S__.exedescription pid process target process PID 2632 set thread context of 1464 2632 _____S__.exe _____S__.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
_____S__.exepid process 1464 _____S__.exe 1464 _____S__.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
_____S__.exepid process 2632 _____S__.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
_____S__.exedescription pid process Token: SeDebugPrivilege 1464 _____S__.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
_____S__.exedescription pid process target process PID 2632 wrote to memory of 1464 2632 _____S__.exe _____S__.exe PID 2632 wrote to memory of 1464 2632 _____S__.exe _____S__.exe PID 2632 wrote to memory of 1464 2632 _____S__.exe _____S__.exe PID 2632 wrote to memory of 1464 2632 _____S__.exe _____S__.exe PID 2632 wrote to memory of 1464 2632 _____S__.exe _____S__.exe PID 2632 wrote to memory of 1464 2632 _____S__.exe _____S__.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\_____S__.exe"C:\Users\Admin\AppData\Local\Temp\_____S__.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\_____S__.exe"C:\Users\Admin\AppData\Local\Temp\_____S__.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\Local\Temp\nsy756F.tmp\System.dllFilesize
12KB
MD50d7ad4f45dc6f5aa87f606d0331c6901
SHA148df0911f0484cbe2a8cdd5362140b63c41ee457
SHA2563eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
SHA512c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
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memory/1464-19-0x0000000074530000-0x0000000074C1E000-memory.dmpFilesize
6.9MB
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memory/1464-13-0x0000000077B00000-0x0000000077CA9000-memory.dmpFilesize
1.7MB
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memory/1464-14-0x0000000077D26000-0x0000000077D27000-memory.dmpFilesize
4KB
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memory/1464-15-0x00000000004B0000-0x0000000001512000-memory.dmpFilesize
16.4MB
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memory/1464-16-0x0000000077CF0000-0x0000000077DC6000-memory.dmpFilesize
856KB
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memory/1464-18-0x00000000004B0000-0x00000000004F2000-memory.dmpFilesize
264KB
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memory/1464-20-0x00000000397C0000-0x0000000039800000-memory.dmpFilesize
256KB
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memory/1464-23-0x0000000074530000-0x0000000074C1E000-memory.dmpFilesize
6.9MB
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memory/1464-24-0x00000000397C0000-0x0000000039800000-memory.dmpFilesize
256KB
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memory/2632-11-0x0000000077CF0000-0x0000000077DC6000-memory.dmpFilesize
856KB
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memory/2632-12-0x00000000751C0000-0x00000000751C7000-memory.dmpFilesize
28KB
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memory/2632-10-0x0000000077B00000-0x0000000077CA9000-memory.dmpFilesize
1.7MB