Analysis
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max time kernel
144s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
07-12-2023 19:36
Static task
static1
Behavioral task
behavioral1
Sample
8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe
Resource
win10v2004-20231127-en
General
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Target
8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe
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Size
639KB
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MD5
78cdd7631daa770440ea9fa871fd8d63
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SHA1
7a3e6d5992612d2f7b98d35f8ab2d96aa1950f61
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SHA256
8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2b
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SHA512
c915fe8ddc1e3b90d4e53ba30dd30336ef8a45843dff42413300c44ac0d67a82c92565efe9df2f8b8aeb59e15adc2942eeed7bec24292170236b9e4d704690f4
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SSDEEP
12288:jE0QaueH5qRILAmLngh9QDBSfKaPUD2vNkbMRYjWOx:jE4qRILAmmuAOD/bMvO
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot6217230824:AAFCGEN5vk1xCq7NOzRdvuxKD2rS56-qo2g/
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-1-5-21-2037190880-819243489-950462038-1000\Control Panel\International\Geo\Nation 8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.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 102 api.ipify.org 101 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1696 set thread context of 4484 1696 8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe 105 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4484 8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe 4484 8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe 4484 8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe 2512 powershell.exe 2512 powershell.exe 2512 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4484 8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe Token: SeDebugPrivilege 2512 powershell.exe Token: SeManageVolumePrivilege 4552 svchost.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1696 wrote to memory of 2512 1696 8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe 103 PID 1696 wrote to memory of 2512 1696 8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe 103 PID 1696 wrote to memory of 2512 1696 8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe 103 PID 1696 wrote to memory of 4484 1696 8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe 105 PID 1696 wrote to memory of 4484 1696 8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe 105 PID 1696 wrote to memory of 4484 1696 8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe 105 PID 1696 wrote to memory of 4484 1696 8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe 105 PID 1696 wrote to memory of 4484 1696 8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe 105 PID 1696 wrote to memory of 4484 1696 8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe 105 PID 1696 wrote to memory of 4484 1696 8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe 105 PID 1696 wrote to memory of 4484 1696 8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe"C:\Users\Admin\AppData\Local\Temp\8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1696 -
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\8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2512
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C:\Users\Admin\AppData\Local\Temp\8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe"C:\Users\Admin\AppData\Local\Temp\8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4484
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵PID:2360
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4552
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82