Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10-12-2024 03:32
Static task
static1
Behavioral task
behavioral1
Sample
b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240729-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
General
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Target
b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe
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Size
999KB
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MD5
5c45c0877fb82d10594fde27ceef591d
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SHA1
ea68349b2af800d39680cf50da9e3284ec1d52a4
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SHA256
b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052
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SHA512
d6497d61d8bbf155223fe4554783b0e86ab326ffb20bbbac4b444e0d27f16715458bf055085732c4204cbccba84419de62bd75615602a291e26c1dbc74a6bda9
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SSDEEP
24576:+YB//x9siaesoieYuVffHku3WggclxxIJzsGOB:j9//FAUHffHkumggclxGZW
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.rusticpensiune.ro - Port:
21 - Username:
[email protected] - Password:
hr,d@KUwa5llI%*RNL^J]g%8I;!;_Ne#G1h~lE!*86DAAD6#iLm$x)r+e1z$p+_Q,4_(f!};B?vD!IG?NqT[zOHNr6_nww[S]V?MlcYSt_QO
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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Guloader family
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Loads dropped DLL 1 IoCs
pid Process 2524 b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe -
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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 1388 b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2524 b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe 1388 b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2524 set thread context of 1388 2524 b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe 84 -
Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Common Files\duefalke\soutenrer.ini b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\resources\0409\iterators\likewise.Vid124 b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1388 b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe 1388 b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2524 b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1388 b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2524 wrote to memory of 1388 2524 b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe 84 PID 2524 wrote to memory of 1388 2524 b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe 84 PID 2524 wrote to memory of 1388 2524 b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe 84 PID 2524 wrote to memory of 1388 2524 b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe 84 PID 2524 wrote to memory of 1388 2524 b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe"C:\Users\Admin\AppData\Local\Temp\b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2524 -
C:\Users\Admin\AppData\Local\Temp\b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe"C:\Users\Admin\AppData\Local\Temp\b7e96f5e7dc899dc84e8eb7d63c867f38e8b742c2e44680dba593969ff148052.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1388
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
12KB
MD5cff85c549d536f651d4fb8387f1976f2
SHA1d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
SHA2568dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
SHA512531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88