Analysis
- max time kernel
143s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system - submitted
11/07/2023, 11:32
Static task
static1
Behavioral task
behavioral1
Sample
PO 345678.exe
Resource
win7-20230703-en
Behavioral task
behavioral2
Sample
PO 345678.exe
Resource
win10v2004-20230703-en
General
- Target PO 345678.exe
- Size 655KB
- Sample230711-nnad4agg29
- SHA256 cb2cbedac34829b45dcc25735d79fb332bed3098741a7ca8a7954de5ceb894ec
- MD5 e226b713f80fdd12e6adf47ef7d32fe6
- SHA1 f4ee4d87dceccc95ccb71c2c2c86b3f5147ce22a
- SHA512 4b1c44366eb7eb555c0c7b6566db33e20c74ab812bfdfe6b6af3315fdeacf2267272b0ac0c012f24acb3ea29c37cc7cd7cc8545fc0e3219b78fbe6268f13c23e
- SSDEEP 12288:MXXYb56I7XBxmMXGUupfgD6ptZECbBQWd6x2h0abPh7D6P:Tt7XuMXGUu5RtJaE6xCPTW
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.kbakr.com
-
Port
587
-
Username
-
Password
blessing2023
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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-1-5-21-1420546310-613437930-2990200354-1000\Control Panel\International\Geo\Nation PO 345678.exe - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 345678.exe Key opened \REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 345678.exe Key opened \REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 345678.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XnMvtpc = "C:\\Users\\Admin\\AppData\\Roaming\\XnMvtpc\\XnMvtpc.exe" PO 345678.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 53 api.ipify.org 54 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2308 set thread context of 1868 2308 PO 345678.exe 105 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4448 schtasks.exe - Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2308 PO 345678.exe 2308 PO 345678.exe 2308 PO 345678.exe 3196 powershell.exe 3196 powershell.exe 1868 PO 345678.exe 1868 PO 345678.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2308 PO 345678.exe Token: SeDebugPrivilege 3196 powershell.exe Token: SeDebugPrivilege 1868 PO 345678.exe - Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2308 wrote to memory of 3196 2308 PO 345678.exe 101 PID 2308 wrote to memory of 3196 2308 PO 345678.exe 101 PID 2308 wrote to memory of 3196 2308 PO 345678.exe 101 PID 2308 wrote to memory of 4448 2308 PO 345678.exe 103 PID 2308 wrote to memory of 4448 2308 PO 345678.exe 103 PID 2308 wrote to memory of 4448 2308 PO 345678.exe 103 PID 2308 wrote to memory of 1868 2308 PO 345678.exe 105 PID 2308 wrote to memory of 1868 2308 PO 345678.exe 105 PID 2308 wrote to memory of 1868 2308 PO 345678.exe 105 PID 2308 wrote to memory of 1868 2308 PO 345678.exe 105 PID 2308 wrote to memory of 1868 2308 PO 345678.exe 105 PID 2308 wrote to memory of 1868 2308 PO 345678.exe 105 PID 2308 wrote to memory of 1868 2308 PO 345678.exe 105 PID 2308 wrote to memory of 1868 2308 PO 345678.exe 105 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 345678.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO 345678.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO 345678.exe"C:\Users\Admin\AppData\Local\Temp\PO 345678.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2308 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\szBqpRdsKFXPtk.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3196
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\szBqpRdsKFXPtk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp22E5.tmp"2⤵
- Creates scheduled task(s)
PID:4448
-
-
C:\Users\Admin\AppData\Local\Temp\PO 345678.exe"C:\Users\Admin\AppData\Local\Temp\PO 345678.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1868
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO 345678.exe.log
- Size 1KB
- SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
- MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
- SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
- SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cvwx2dos.u2n.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmp22E5.tmp
- Size 1KB
- SHA256 3e6d7c721393c05fd47f70a172c6d404052b1137ca94fb128baf7d70e03779ba
- MD5 a2bb63ba083a9efde4bf275888112a7e
- SHA1 ecd8f58bea491ae2c6de413292526cd03372bb62
- SHA512 2b24887c43e92c2135fe2e9579a127d1a0ebe63fb0397f557c008ae8f36ebcf2de0fa9a0e6f777b73d5e9a51298c28199b13919459c6419f4b2d07b5f72887bd
- MD5 SHA1 SHA512