Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
22-05-2024 06:02
Static task
static1
Behavioral task
behavioral1
Sample
DHL Delivery Invoice AWB#7490327845.exe
Resource
win7-20240419-en
General
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Target
DHL Delivery Invoice AWB#7490327845.exe
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Size
818KB
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MD5
03706e52938770bd5497faddc41ae671
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SHA1
75d77e86a0c5eb7745d0efe60c90175deea29fea
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SHA256
ae424f87ddc0913714a888f32a9412df939107b863c28e407513cf1b55db07f2
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SHA512
00fe3572a8cb40ec347c9ce563ecc4e78bc0cd93f7c987f1cc3cd9f2de1b93fa33bc7c3e017c84897c494a905895c987de71459151f5fb03f3c458bf15918a56
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SSDEEP
12288:zzWWET/mr9K0A/B5bKmy+VDmVx5R380an/soBWKNmRobGGKraPHOLcIjqlEWDvo+:zzWWtDQKd+lFbNkALWfsE+
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.ru - Port:
587 - Username:
[email protected] - Password:
marcellinus360 - 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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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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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.
Processes:
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
DHL Delivery Invoice AWB#7490327845.exedescription pid process target process PID 2188 set thread context of 2604 2188 DHL Delivery Invoice AWB#7490327845.exe RegSvcs.exe -
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.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
RegSvcs.exepowershell.exepid process 2604 RegSvcs.exe 2604 RegSvcs.exe 2368 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
RegSvcs.exepowershell.exedescription pid process Token: SeDebugPrivilege 2604 RegSvcs.exe Token: SeDebugPrivilege 2368 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegSvcs.exepid process 2604 RegSvcs.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
DHL Delivery Invoice AWB#7490327845.exedescription pid process target process PID 2188 wrote to memory of 2368 2188 DHL Delivery Invoice AWB#7490327845.exe powershell.exe PID 2188 wrote to memory of 2368 2188 DHL Delivery Invoice AWB#7490327845.exe powershell.exe PID 2188 wrote to memory of 2368 2188 DHL Delivery Invoice AWB#7490327845.exe powershell.exe PID 2188 wrote to memory of 2368 2188 DHL Delivery Invoice AWB#7490327845.exe powershell.exe PID 2188 wrote to memory of 2624 2188 DHL Delivery Invoice AWB#7490327845.exe schtasks.exe PID 2188 wrote to memory of 2624 2188 DHL Delivery Invoice AWB#7490327845.exe schtasks.exe PID 2188 wrote to memory of 2624 2188 DHL Delivery Invoice AWB#7490327845.exe schtasks.exe PID 2188 wrote to memory of 2624 2188 DHL Delivery Invoice AWB#7490327845.exe schtasks.exe PID 2188 wrote to memory of 2604 2188 DHL Delivery Invoice AWB#7490327845.exe RegSvcs.exe PID 2188 wrote to memory of 2604 2188 DHL Delivery Invoice AWB#7490327845.exe RegSvcs.exe PID 2188 wrote to memory of 2604 2188 DHL Delivery Invoice AWB#7490327845.exe RegSvcs.exe PID 2188 wrote to memory of 2604 2188 DHL Delivery Invoice AWB#7490327845.exe RegSvcs.exe PID 2188 wrote to memory of 2604 2188 DHL Delivery Invoice AWB#7490327845.exe RegSvcs.exe PID 2188 wrote to memory of 2604 2188 DHL Delivery Invoice AWB#7490327845.exe RegSvcs.exe PID 2188 wrote to memory of 2604 2188 DHL Delivery Invoice AWB#7490327845.exe RegSvcs.exe PID 2188 wrote to memory of 2604 2188 DHL Delivery Invoice AWB#7490327845.exe RegSvcs.exe PID 2188 wrote to memory of 2604 2188 DHL Delivery Invoice AWB#7490327845.exe RegSvcs.exe PID 2188 wrote to memory of 2604 2188 DHL Delivery Invoice AWB#7490327845.exe RegSvcs.exe PID 2188 wrote to memory of 2604 2188 DHL Delivery Invoice AWB#7490327845.exe RegSvcs.exe PID 2188 wrote to memory of 2604 2188 DHL Delivery Invoice AWB#7490327845.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL Delivery Invoice AWB#7490327845.exe"C:\Users\Admin\AppData\Local\Temp\DHL Delivery Invoice AWB#7490327845.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2188 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ChxJRlBJ.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2368
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ChxJRlBJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp32E3.tmp"2⤵
- Creates scheduled task(s)
PID:2624
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2604
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5519c0a319bd6330476c3c2026b226702
SHA156d0cb6089a5da4216eefdfc443f7330ee0bab35
SHA2569b5bd6dd778f67415956cf90f613b711460617e7591cc57b16081d52f01e339c
SHA51290e82c093fe059c89a10436f375631da7c8602e4cbbfc3a6a30107f597c5d937536be4791fd4b15d82a02e84d1bc30b6fd2060e6fca26e9fb585e1037c109ff8