Analysis
- max time kernel
143s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
03/03/2023, 21:53
Static task
static1
Behavioral task
behavioral1
Sample
IP copy.pdf.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
IP copy.pdf.exe
Resource
win10v2004-20230220-en
General
- Target IP copy.pdf.exe
- Size 1.2MB
- Sample230303-1rl9aaba5t
- SHA256 60d1370a6be9757d7c17dde38c1b092d70fa3bfc4d26a2f9548b095a2c714fb7
- MD5 c40c375df4fdab891cb5a03953d68d38
- SHA1 6af325ef6e0ed11e5799595c9b204167b6c9ae8e
- SHA512 ff5dea9dde2a24aee604660b0970c5a6490279110175296c26edcbe9e51ba443bdbd4fcd6d5170901f044b2fc07e6924d68a287db77cfd331ec79dcc49fd97e2
- SSDEEP 12288:d2MOEAlI3MzSSV93762p/nVyFraLxNbZlYy88r6vrWjWTAOvaEIn3YwG6LSm:dlYdSSn62mGLxzlYL8r2XTpahaCL
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.eventcenter.am
-
Port
587
-
Username
-
Password
[.YAwrF93i~t
-
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-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation IP copy.pdf.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-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 IP copy.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 IP copy.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 IP copy.pdf.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 37 api.ipify.org 38 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1116 set thread context of 2040 1116 IP copy.pdf.exe 95 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4392 schtasks.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4084 powershell.exe 4084 powershell.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4084 powershell.exe Token: SeDebugPrivilege 2040 IP copy.pdf.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2040 IP copy.pdf.exe - Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1116 wrote to memory of 4084 1116 IP copy.pdf.exe 91 PID 1116 wrote to memory of 4084 1116 IP copy.pdf.exe 91 PID 1116 wrote to memory of 4084 1116 IP copy.pdf.exe 91 PID 1116 wrote to memory of 4392 1116 IP copy.pdf.exe 93 PID 1116 wrote to memory of 4392 1116 IP copy.pdf.exe 93 PID 1116 wrote to memory of 4392 1116 IP copy.pdf.exe 93 PID 1116 wrote to memory of 2040 1116 IP copy.pdf.exe 95 PID 1116 wrote to memory of 2040 1116 IP copy.pdf.exe 95 PID 1116 wrote to memory of 2040 1116 IP copy.pdf.exe 95 PID 1116 wrote to memory of 2040 1116 IP copy.pdf.exe 95 PID 1116 wrote to memory of 2040 1116 IP copy.pdf.exe 95 PID 1116 wrote to memory of 2040 1116 IP copy.pdf.exe 95 PID 1116 wrote to memory of 2040 1116 IP copy.pdf.exe 95 PID 1116 wrote to memory of 2040 1116 IP copy.pdf.exe 95 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 IP copy.pdf.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 IP copy.pdf.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\IP copy.pdf.exe"C:\Users\Admin\AppData\Local\Temp\IP copy.pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1116 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KrAvjTiceRzAD.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4084
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KrAvjTiceRzAD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3E70.tmp"2⤵
- Creates scheduled task(s)
PID:4392
-
-
C:\Users\Admin\AppData\Local\Temp\IP copy.pdf.exe"C:\Users\Admin\AppData\Local\Temp\IP copy.pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2040
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\IP copy.pdf.exe.log
- Size 1KB
- SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
- MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
- SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
- SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lifal51r.hvo.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmp3E70.tmp
- Size 1KB
- SHA256 c60d73311f1a8d6ba5dcdd7b4fb7b92f486e1543e013bcae4d2acf9308e8559f
- MD5 d5983cb6790889f50b4eca33d3bc2766
- SHA1 d0b2b01405d77e7e929ddc58f3212e340097515f
- SHA512 053d4488172ff5f4edbfd66837c62ce18b6a846a109cda4d3c79c9854b008581636261e58b06723954acfe0a37e37b869a67f2efb9f72ccce45406679183c878
- MD5 SHA1 SHA512