Analysis
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max time kernel
94s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
03/04/2024, 11:15
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
Protocol: smtp- Host:
mail.issltd.org - Port:
587 - Username:
[email protected] - Password:
iss123
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation PO-24-0146.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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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 19 api.ipify.org 20 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2252 set thread context of 2104 2252 PO-24-0146.exe 103 -
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 1280 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 13 IoCs
pid Process 2252 PO-24-0146.exe 2252 PO-24-0146.exe 4016 powershell.exe 4016 powershell.exe 2200 powershell.exe 2200 powershell.exe 2252 PO-24-0146.exe 2252 PO-24-0146.exe 2104 PO-24-0146.exe 2104 PO-24-0146.exe 2104 PO-24-0146.exe 2200 powershell.exe 4016 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2252 PO-24-0146.exe Token: SeDebugPrivilege 4016 powershell.exe Token: SeDebugPrivilege 2200 powershell.exe Token: SeDebugPrivilege 2104 PO-24-0146.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2252 wrote to memory of 2200 2252 PO-24-0146.exe 97 PID 2252 wrote to memory of 2200 2252 PO-24-0146.exe 97 PID 2252 wrote to memory of 2200 2252 PO-24-0146.exe 97 PID 2252 wrote to memory of 4016 2252 PO-24-0146.exe 99 PID 2252 wrote to memory of 4016 2252 PO-24-0146.exe 99 PID 2252 wrote to memory of 4016 2252 PO-24-0146.exe 99 PID 2252 wrote to memory of 1280 2252 PO-24-0146.exe 101 PID 2252 wrote to memory of 1280 2252 PO-24-0146.exe 101 PID 2252 wrote to memory of 1280 2252 PO-24-0146.exe 101 PID 2252 wrote to memory of 2104 2252 PO-24-0146.exe 103 PID 2252 wrote to memory of 2104 2252 PO-24-0146.exe 103 PID 2252 wrote to memory of 2104 2252 PO-24-0146.exe 103 PID 2252 wrote to memory of 2104 2252 PO-24-0146.exe 103 PID 2252 wrote to memory of 2104 2252 PO-24-0146.exe 103 PID 2252 wrote to memory of 2104 2252 PO-24-0146.exe 103 PID 2252 wrote to memory of 2104 2252 PO-24-0146.exe 103 PID 2252 wrote to memory of 2104 2252 PO-24-0146.exe 103
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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2252 -
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⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2200
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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:4016
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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\tmp6CC4.tmp"2⤵
- Creates scheduled task(s)
PID:1280
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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:2104
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5c931bc125cbdee6cd358f7c4708f9181
SHA19431240e52e69859e360eae5d74af8579d05151e
SHA2566c9748198d6d5538406678dfcc736b38480ec228f12bb72440184d7137c2ba52
SHA512a2e768dc8a9df2ec938b37baf5402b30457231de1ff4f3a18c84d97fb79572cb471da21f4e819a7c7701a66a0e3b49bd40fc266d56d268e394ce82052cb70625
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5e6d15629b813bef83bb0a0289c40099d
SHA1b28bda52f0cfb635c27685168865454ed718e486
SHA2565879503778feeb4b6f8ce8d52c46cc7b746be704b68310b42aadb6a7c14b32e0
SHA512a556bdb729828a77dc4e9fb2b0ed1cd738b468a3f7258cbef0f7e57842d9fe7b5e69e3202260b257f579024a5c76bebf384407d08e9d47c5b15cb9b45e57369a