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Analysis
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max time kernel
147s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
04/07/2023, 13:18
Static task
static1
Behavioral task
behavioral1
Sample
POexe.exe
Resource
win7-20230703-en
Behavioral task
behavioral2
Sample
POexe.exe
Resource
win10v2004-20230703-en
General
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Target
POexe.exe
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Size
609KB
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MD5
3f7a1be06f9e81b2a64cd84dbf00039d
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SHA1
adb70d3b81ac28fbb3b277fe7e75bdbd52ebada0
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SHA256
c95706e9e36c1532f18cb25f4f98abab9164da9cfd25965f76ee3187dd95494e
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SHA512
aeef19e54d7bf1c1071c1ba8585a3a8b010dbb5b43d04f65733f6b07030ed582563a6dd95898140ba45e70623c9bd564ddd4f6169136f4bdcb9528f5204f20fc
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SSDEEP
12288:5/DzR6Raa0ydviUOqk+AwvW/TBAIKmbx/1G18Zx4m:ZsRaa0jUK+Aw+/1AIKmx1NZx4m
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5757748605:AAHI9rc9CYWMivLuImcQ_ENpJzN7mD9DYis/
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-1-5-21-1722984668-1829624581-3022101259-1000\Control Panel\International\Geo\Nation POexe.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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 POexe.exe Key opened \REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 POexe.exe Key opened \REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 POexe.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lWmOHpD = "C:\\Users\\Admin\\AppData\\Roaming\\lWmOHpD\\lWmOHpD.exe" POexe.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 1 api.ipify.org 2 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4364 set thread context of 1680 4364 POexe.exe 86 -
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.
pid Process 3648 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4364 POexe.exe 1008 powershell.exe 1544 powershell.exe 4364 POexe.exe 1008 powershell.exe 1544 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4364 POexe.exe Token: SeDebugPrivilege 1008 powershell.exe Token: SeDebugPrivilege 1544 powershell.exe Token: SeDebugPrivilege 1680 POexe.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 4364 wrote to memory of 1544 4364 POexe.exe 80 PID 4364 wrote to memory of 1544 4364 POexe.exe 80 PID 4364 wrote to memory of 1544 4364 POexe.exe 80 PID 4364 wrote to memory of 1008 4364 POexe.exe 82 PID 4364 wrote to memory of 1008 4364 POexe.exe 82 PID 4364 wrote to memory of 1008 4364 POexe.exe 82 PID 4364 wrote to memory of 3648 4364 POexe.exe 84 PID 4364 wrote to memory of 3648 4364 POexe.exe 84 PID 4364 wrote to memory of 3648 4364 POexe.exe 84 PID 4364 wrote to memory of 1680 4364 POexe.exe 86 PID 4364 wrote to memory of 1680 4364 POexe.exe 86 PID 4364 wrote to memory of 1680 4364 POexe.exe 86 PID 4364 wrote to memory of 1680 4364 POexe.exe 86 PID 4364 wrote to memory of 1680 4364 POexe.exe 86 PID 4364 wrote to memory of 1680 4364 POexe.exe 86 PID 4364 wrote to memory of 1680 4364 POexe.exe 86 PID 4364 wrote to memory of 1680 4364 POexe.exe 86 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 POexe.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 POexe.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\POexe.exe"C:\Users\Admin\AppData\Local\Temp\POexe.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4364 -
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\POexe.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1544
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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\tFNfTrEp.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1008
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tFNfTrEp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp21EB.tmp"2⤵
- Creates scheduled task(s)
PID:3648
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C:\Users\Admin\AppData\Local\Temp\POexe.exe"C:\Users\Admin\AppData\Local\Temp\POexe.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1680
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD531d7cc7953c3a0f7a22d956bf0faf8d9
SHA1a4bd7e97f17db1cdaea7812a1c4e8c9777cbfefb
SHA2565a4a3926fe89843fcb4371887325ecb025573f55f7e0d93a93a8038b7886b2f4
SHA512bb8c6730ec8cb27c9bb0770bba87bf3d46817e11fe7a02e587e8d4f2fd40e5ea35900da21d5de5083d3eeb524e21fb64cb0258879299258b109cd8a4fc6d6605
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5d1de92dabb48c8c296e60f965e01041d
SHA1ae2bacd5aa6a6b234579bdc62f402d2b1a7230a5
SHA2568eea20f00dd65adada1313e2443ac038b007f5baf630e651ed204ed2aef5cf8c
SHA512c2f34bb1c96a993b827ed3f69a8a69c32d35738981d49048f1e410ab94b8b6785c5834bf618a82892724e71be778e8c788de9a985587966df298139c747d7884