Analysis
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max time kernel
117s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
14-05-2024 00:28
Static task
static1
Behavioral task
behavioral1
Sample
Copy100257338PDF.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Copy100257338PDF.exe
Resource
win10v2004-20240226-en
General
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Target
Copy100257338PDF.exe
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Size
205KB
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MD5
696c8e95daafa551715ad53c7c8e632b
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SHA1
a18559becf0bab5ef3abd66fcbacdecb410bc5fc
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SHA256
cf5b678a31b81a5c05dd71de8e0764161ad40baf1f931a80e4871cbe79d93c9e
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SHA512
d701563e43ab7399bfd0b787ec4b241d295f2834e3bafa05360b6bf7a2b0ee8ccbd87d75da511dd8cb84a711018ae3dabd2bffa03c8fa516d86d296e585223ad
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SSDEEP
3072:3yNnCDDRvLGprOAOkGt6+duWA/t/SHUebbxCbGgKk12qk/FPYm21KLbDoUssNXNS:estvLGcxLbMUMK2JH
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
[email protected] - Password:
AvydGQ8TIDH9 - 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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Detect ZGRat V1 34 IoCs
resource yara_rule behavioral1/memory/3020-3-0x0000000008720000-0x0000000008950000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-4-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-5-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-7-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-57-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-64-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-9-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-11-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-13-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-15-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-17-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-19-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-21-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-23-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-25-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-27-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-29-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-31-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-33-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-35-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-51-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-67-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-65-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-61-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-59-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-55-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-53-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-49-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-47-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-45-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-43-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-41-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-40-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 behavioral1/memory/3020-37-0x0000000008720000-0x0000000008949000-memory.dmp family_zgrat_v1 -
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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\savef = "C:\\Users\\Admin\\AppData\\Roaming\\savef.exe" Copy100257338PDF.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 6 api.ipify.org 7 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3020 set thread context of 2444 3020 Copy100257338PDF.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2444 Copy100257338PDF.exe 2444 Copy100257338PDF.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3020 Copy100257338PDF.exe Token: SeDebugPrivilege 3020 Copy100257338PDF.exe Token: SeDebugPrivilege 2444 Copy100257338PDF.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3020 wrote to memory of 2444 3020 Copy100257338PDF.exe 28 PID 3020 wrote to memory of 2444 3020 Copy100257338PDF.exe 28 PID 3020 wrote to memory of 2444 3020 Copy100257338PDF.exe 28 PID 3020 wrote to memory of 2444 3020 Copy100257338PDF.exe 28 PID 3020 wrote to memory of 2444 3020 Copy100257338PDF.exe 28 PID 3020 wrote to memory of 2444 3020 Copy100257338PDF.exe 28 PID 3020 wrote to memory of 2444 3020 Copy100257338PDF.exe 28 PID 3020 wrote to memory of 2444 3020 Copy100257338PDF.exe 28 PID 3020 wrote to memory of 2444 3020 Copy100257338PDF.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\Copy100257338PDF.exe"C:\Users\Admin\AppData\Local\Temp\Copy100257338PDF.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3020 -
C:\Users\Admin\AppData\Local\Temp\Copy100257338PDF.exe"C:\Users\Admin\AppData\Local\Temp\Copy100257338PDF.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2444
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