Analysis
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max time kernel
121s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20231025-en -
resource tags
arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system -
submitted
06-12-2023 17:14
Static task
static1
Behavioral task
behavioral1
Sample
New PO NLDB-078003417XXXXX.exe
Resource
win7-20231025-en
Behavioral task
behavioral2
Sample
New PO NLDB-078003417XXXXX.exe
Resource
win10v2004-20231127-en
General
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Target
New PO NLDB-078003417XXXXX.exe
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Size
383KB
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MD5
9abefcb71f2f6808adc286ac83f5ef2e
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SHA1
8f83d05ef4d201ee7b6dbc50eff66018a816ff73
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SHA256
6d7ca76f65a253a1587d1f5a94d7ff27d0babf11b830fd778efb96ebd8196442
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SHA512
b2088e247b3f259579e080fd43d0e15c61c5b8ccaa1699aee485b800a663abf81294fd128c6e6c32769689da161981b02e55e71378aa6a1c279c45a760242b59
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SSDEEP
6144:EwTD974CbCFRov/04ak4+HG8GBZzUMTkI5yi8WY4Nf31h/m9vMBjg7DR5d:EM2G0av/GBZAM4Ad8WY4fhcBR
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.asiaparadisehotel.com - Port:
587 - Username:
[email protected] - Password:
^b2ycDldex$@ - 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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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Windows\CurrentVersion\Run\Fmssebczxi = "C:\\Users\\Admin\\AppData\\Roaming\\Fmssebczxi.exe" New PO NLDB-078003417XXXXX.exe Set value (str) \REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Windows\CurrentVersion\Run\TlKsFB = "C:\\Users\\Admin\\AppData\\Roaming\\TlKsFB\\TlKsFB.exe" New PO NLDB-078003417XXXXX.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 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2136 set thread context of 2080 2136 New PO NLDB-078003417XXXXX.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2080 New PO NLDB-078003417XXXXX.exe 2080 New PO NLDB-078003417XXXXX.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2136 New PO NLDB-078003417XXXXX.exe Token: SeDebugPrivilege 2080 New PO NLDB-078003417XXXXX.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2136 wrote to memory of 2080 2136 New PO NLDB-078003417XXXXX.exe 28 PID 2136 wrote to memory of 2080 2136 New PO NLDB-078003417XXXXX.exe 28 PID 2136 wrote to memory of 2080 2136 New PO NLDB-078003417XXXXX.exe 28 PID 2136 wrote to memory of 2080 2136 New PO NLDB-078003417XXXXX.exe 28 PID 2136 wrote to memory of 2080 2136 New PO NLDB-078003417XXXXX.exe 28 PID 2136 wrote to memory of 2080 2136 New PO NLDB-078003417XXXXX.exe 28 PID 2136 wrote to memory of 2080 2136 New PO NLDB-078003417XXXXX.exe 28 PID 2136 wrote to memory of 2080 2136 New PO NLDB-078003417XXXXX.exe 28 PID 2136 wrote to memory of 2080 2136 New PO NLDB-078003417XXXXX.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\New PO NLDB-078003417XXXXX.exe"C:\Users\Admin\AppData\Local\Temp\New PO NLDB-078003417XXXXX.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Users\Admin\AppData\Local\Temp\New PO NLDB-078003417XXXXX.exe"C:\Users\Admin\AppData\Local\Temp\New PO NLDB-078003417XXXXX.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2080
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