Analysis
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max time kernel
142s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
02-12-2023 02:15
Static task
static1
Behavioral task
behavioral1
Sample
480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe
Resource
win10v2004-20231127-en
General
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Target
480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe
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Size
5.2MB
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MD5
6739c4558368ca1e2702256ff38b173e
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SHA1
5c3fdc7abe581e99fd4b6e4dedc2df934dd6e571
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SHA256
480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e
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SHA512
59ba04a53948862f14eb66b24b7d96c5b333b111e31b85f7dc001ae5b9c644c80792cf520ffb0852067f4b8a84d160d6b2ff0fe6bed899a82fb13107fed05bcb
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SSDEEP
49152:FST3/D3jRgpXQbrnX1bXDt5IR9HJhBwcA2fHPuFjyvx0UUeX0r4qCimrS9o2LEMt:ksrdMq5oqcXUfw/
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot6659517229:AAHsMaq2u4iOJbALq8B4B8LCwvPfy-kRYo0/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
CasPol.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\QAYhnM = "C:\\Users\\Admin\\AppData\\Roaming\\QAYhnM\\QAYhnM.exe" CasPol.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.
Processes:
flow ioc 31 api.ipify.org 32 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exedescription pid process target process PID 116 set thread context of 3316 116 480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe CasPol.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
CasPol.exepid process 3316 CasPol.exe 3316 CasPol.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
CasPol.exedescription pid process Token: SeDebugPrivilege 3316 CasPol.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
CasPol.exepid process 3316 CasPol.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exedescription pid process target process PID 116 wrote to memory of 3316 116 480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe CasPol.exe PID 116 wrote to memory of 3316 116 480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe CasPol.exe PID 116 wrote to memory of 3316 116 480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe CasPol.exe PID 116 wrote to memory of 3316 116 480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe CasPol.exe PID 116 wrote to memory of 3316 116 480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe CasPol.exe PID 116 wrote to memory of 3316 116 480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe CasPol.exe PID 116 wrote to memory of 3316 116 480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe CasPol.exe PID 116 wrote to memory of 3316 116 480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe CasPol.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe"C:\Users\Admin\AppData\Local\Temp\480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:116 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3316