Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
03/04/2024, 11:09
Static task
static1
Behavioral task
behavioral1
Sample
PO-24-0146.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
PO-24-0146.exe
Resource
win10v2004-20240226-en
General
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Target
PO-24-0146.exe
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Size
635KB
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MD5
97a1f463d7892e916c06e18e772be8ea
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SHA1
a9b8899a1f18739f90be637c4c9e5969a3bad0f8
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SHA256
4d71dea7fedeac5da79730368e3e524f82efcfa368293651bf6c0bb0e423eb8c
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SHA512
ea6c51f72491ea7bebe2c8ee19d6672a83c946e9d7d564fc512d9e6a08055bc4728b0f08b135641622d8e4bbcd05f2b912418aed75302460367f311e47fe98ad
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SSDEEP
12288:ZtsZcDt2CkcMtutKe6KJnl0umT4aRZbzXBRb9ZPD4:MMofluLzmTLPPD4
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.issltd.org - Port:
587 - Username:
[email protected] - Password:
iss123 - 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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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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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 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2856 set thread context of 2700 2856 PO-24-0146.exe 34 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2652 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2856 PO-24-0146.exe 2856 PO-24-0146.exe 2596 powershell.exe 2856 PO-24-0146.exe 2700 PO-24-0146.exe 2700 PO-24-0146.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2856 PO-24-0146.exe Token: SeDebugPrivilege 2596 powershell.exe Token: SeDebugPrivilege 2700 PO-24-0146.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2856 wrote to memory of 2740 2856 PO-24-0146.exe 28 PID 2856 wrote to memory of 2740 2856 PO-24-0146.exe 28 PID 2856 wrote to memory of 2740 2856 PO-24-0146.exe 28 PID 2856 wrote to memory of 2740 2856 PO-24-0146.exe 28 PID 2856 wrote to memory of 2596 2856 PO-24-0146.exe 30 PID 2856 wrote to memory of 2596 2856 PO-24-0146.exe 30 PID 2856 wrote to memory of 2596 2856 PO-24-0146.exe 30 PID 2856 wrote to memory of 2596 2856 PO-24-0146.exe 30 PID 2856 wrote to memory of 2652 2856 PO-24-0146.exe 32 PID 2856 wrote to memory of 2652 2856 PO-24-0146.exe 32 PID 2856 wrote to memory of 2652 2856 PO-24-0146.exe 32 PID 2856 wrote to memory of 2652 2856 PO-24-0146.exe 32 PID 2856 wrote to memory of 2700 2856 PO-24-0146.exe 34 PID 2856 wrote to memory of 2700 2856 PO-24-0146.exe 34 PID 2856 wrote to memory of 2700 2856 PO-24-0146.exe 34 PID 2856 wrote to memory of 2700 2856 PO-24-0146.exe 34 PID 2856 wrote to memory of 2700 2856 PO-24-0146.exe 34 PID 2856 wrote to memory of 2700 2856 PO-24-0146.exe 34 PID 2856 wrote to memory of 2700 2856 PO-24-0146.exe 34 PID 2856 wrote to memory of 2700 2856 PO-24-0146.exe 34 PID 2856 wrote to memory of 2700 2856 PO-24-0146.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2856 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"2⤵PID:2740
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jIlwbG.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2596
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jIlwbG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp390A.tmp"2⤵
- Creates scheduled task(s)
PID:2652
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C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2700
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD50b2c5ea6422aeec3a068a115f550d5a9
SHA19ecbc75c9080ba0b782c4d268bf756054fe288b4
SHA25667473788526ec0147dc873b891f9857a073fed78fcd965c5567eb67c17d78ec0
SHA51282f0d85e5958b2f1198625fe412d6423a3b64bd0b9f5576e87cb1069069cab0496d89e900e1e6577a6bfe13904c8d9b1be7f0513b2042af66d3acd4e0c3c9b6a
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\I7R3QBHM8M6GJHP6VANU.temp
Filesize7KB
MD56242e79822f3fde2d205296e5f15d80b
SHA1f38126a1e2521d5a63d22eabba613ffd2a9fcff0
SHA256801d43292838f34a0217f61e43f653d8689acc4169d15602ab33f44178cd9339
SHA512160c245e94012f961882cf5ad05b2faed56af9ef926958f46299c401be89bc52ef837423429009e669ee8e2bc56edb6086af83672d31591d7550fe0b14394677