Analysis
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max time kernel
56s -
max time network
60s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
04-01-2023 07:15
Static task
static1
Behavioral task
behavioral1
Sample
522d2ac90778154b783b8c367901d0dc994e849b.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
522d2ac90778154b783b8c367901d0dc994e849b.exe
Resource
win10v2004-20220812-en
General
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Target
522d2ac90778154b783b8c367901d0dc994e849b.exe
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Size
860KB
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MD5
60560661bb1ebaf6358a09997fd68c61
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SHA1
522d2ac90778154b783b8c367901d0dc994e849b
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SHA256
43a0be7895e81ab00df511b6e247641f46291a794c103111e602ff1401ea0324
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SHA512
da3e517bace9ebb6c770b0ab03660a56811ba4aba3e83ab21ed1d99b5f99f18082678ddd2887c3a0c644c27511e6e523925ad90bb649deac48c3a66d5c114f61
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SSDEEP
12288:bjSWEpeRUrakx5Q2t4rOa/J8OXVbeV2b2WtOez1Gi2Dg1Pjqn0Ta4spUT22tr:bApyUh8Oa/zb2WZz1Giwgbq0r9
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5590596148:AAFELAezvK26mOp3KWIpAgxEVzQMQ56n6zg/
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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 522d2ac90778154b783b8c367901d0dc994e849b.exe Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 522d2ac90778154b783b8c367901d0dc994e849b.exe Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 522d2ac90778154b783b8c367901d0dc994e849b.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\JxkFp = "C:\\Users\\Admin\\AppData\\Roaming\\JxkFp\\JxkFp.exe" 522d2ac90778154b783b8c367901d0dc994e849b.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2012 set thread context of 1848 2012 522d2ac90778154b783b8c367901d0dc994e849b.exe 34 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 1296 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1848 522d2ac90778154b783b8c367901d0dc994e849b.exe 1848 522d2ac90778154b783b8c367901d0dc994e849b.exe 576 powershell.exe 760 powershell.exe 1848 522d2ac90778154b783b8c367901d0dc994e849b.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1848 522d2ac90778154b783b8c367901d0dc994e849b.exe Token: SeDebugPrivilege 576 powershell.exe Token: SeDebugPrivilege 760 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1848 522d2ac90778154b783b8c367901d0dc994e849b.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2012 wrote to memory of 576 2012 522d2ac90778154b783b8c367901d0dc994e849b.exe 28 PID 2012 wrote to memory of 576 2012 522d2ac90778154b783b8c367901d0dc994e849b.exe 28 PID 2012 wrote to memory of 576 2012 522d2ac90778154b783b8c367901d0dc994e849b.exe 28 PID 2012 wrote to memory of 576 2012 522d2ac90778154b783b8c367901d0dc994e849b.exe 28 PID 2012 wrote to memory of 760 2012 522d2ac90778154b783b8c367901d0dc994e849b.exe 30 PID 2012 wrote to memory of 760 2012 522d2ac90778154b783b8c367901d0dc994e849b.exe 30 PID 2012 wrote to memory of 760 2012 522d2ac90778154b783b8c367901d0dc994e849b.exe 30 PID 2012 wrote to memory of 760 2012 522d2ac90778154b783b8c367901d0dc994e849b.exe 30 PID 2012 wrote to memory of 1296 2012 522d2ac90778154b783b8c367901d0dc994e849b.exe 31 PID 2012 wrote to memory of 1296 2012 522d2ac90778154b783b8c367901d0dc994e849b.exe 31 PID 2012 wrote to memory of 1296 2012 522d2ac90778154b783b8c367901d0dc994e849b.exe 31 PID 2012 wrote to memory of 1296 2012 522d2ac90778154b783b8c367901d0dc994e849b.exe 31 PID 2012 wrote to memory of 1848 2012 522d2ac90778154b783b8c367901d0dc994e849b.exe 34 PID 2012 wrote to memory of 1848 2012 522d2ac90778154b783b8c367901d0dc994e849b.exe 34 PID 2012 wrote to memory of 1848 2012 522d2ac90778154b783b8c367901d0dc994e849b.exe 34 PID 2012 wrote to memory of 1848 2012 522d2ac90778154b783b8c367901d0dc994e849b.exe 34 PID 2012 wrote to memory of 1848 2012 522d2ac90778154b783b8c367901d0dc994e849b.exe 34 PID 2012 wrote to memory of 1848 2012 522d2ac90778154b783b8c367901d0dc994e849b.exe 34 PID 2012 wrote to memory of 1848 2012 522d2ac90778154b783b8c367901d0dc994e849b.exe 34 PID 2012 wrote to memory of 1848 2012 522d2ac90778154b783b8c367901d0dc994e849b.exe 34 PID 2012 wrote to memory of 1848 2012 522d2ac90778154b783b8c367901d0dc994e849b.exe 34 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 522d2ac90778154b783b8c367901d0dc994e849b.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 522d2ac90778154b783b8c367901d0dc994e849b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\522d2ac90778154b783b8c367901d0dc994e849b.exe"C:\Users\Admin\AppData\Local\Temp\522d2ac90778154b783b8c367901d0dc994e849b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2012 -
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\522d2ac90778154b783b8c367901d0dc994e849b.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:576
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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\rYfUNaSeLEBFy.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:760
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rYfUNaSeLEBFy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9A8C.tmp"2⤵
- Creates scheduled task(s)
PID:1296
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C:\Users\Admin\AppData\Local\Temp\522d2ac90778154b783b8c367901d0dc994e849b.exe"C:\Users\Admin\AppData\Local\Temp\522d2ac90778154b783b8c367901d0dc994e849b.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1848
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5ff71800d6a864d3c28654482e0e4e06c
SHA10d6af32f942497d96d819a38d9d8882ebbd0323a
SHA2561dc61ede6ae38c4d46b2ea2d5197b26af8316f2cf4b539404d7dd95e445d122e
SHA5124de656d1746cf7c39d00d7a48434b36323df1a5f0d35bc145f73ba24b54c381a6b5c255ec62f0c43c5e4ba3daa5f90117affbe0f01f6a682f1795a372f3b0c9e
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD59ab6d75cd2f7b8b2e211a14788f38ad9
SHA1b4100bd24ad3bb22a5077078c881d0bd35d3d55d
SHA256235d48c918f8b25ac8b3cd6c21ff9f0bb632a4c96cfb25241b65183d4a863ad4
SHA51257b65088ebf935244f88bb0e080b720187ccf5a505f201980043ace3a6b4a3fecf822b8c2473b3f1d31433034d87c11c4387a329ee084096f48362d18156bdef