Analysis
- max time kernel
137s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
23/01/2024, 14:37
Static task
static1
Behavioral task
behavioral1
Sample
dd.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
dd.exe
Resource
win10v2004-20231215-en
General
- Target dd.exe
- Size 742KB
- Sample240123-ry5jrsbbhq
- SHA256 d5b58663ecebfcc7b6093c8d0fbea2539cbcaeaa00d3f46f38b60353223ace6f
- MD5 cce53392d805e6fbfdbccf4527d53c26
- SHA1 50801d009ce7743379e097210c66ef52e64810d3
- SHA512 c3c1ad6dea6040276c296a1b2c2810c1072635597a76d86c9f95336bb729e291b35b2d66f9b789f117180a6b9c84b63efc471a456e4a534fdc5b85f7a8657eb1
- SSDEEP 12288:qW0/V243YKqhxVOA3VTsl5n34yevy6y4cYRrx4bhtYdkyqvyCG7Po+VY1B6IBJI3:90dvYHNTk534ymy6y6qtyhD3u1wWu
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.showpiece.trillennium.biz
-
Port
587
-
Username
-
Password
L+D+{64UN$~{
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.showpiece.trillennium.biz
-
Port
587
-
Username
-
Password
L+D+{64UN$~{
-
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-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation dd.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.
- 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 23 api.ipify.org 24 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3704 set thread context of 3488 3704 dd.exe 100 - 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 1832 schtasks.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3704 dd.exe 3704 dd.exe 4796 powershell.exe 3488 dd.exe 3488 dd.exe 4796 powershell.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3704 dd.exe Token: SeDebugPrivilege 4796 powershell.exe Token: SeDebugPrivilege 3488 dd.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3488 dd.exe - Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 3704 wrote to memory of 4796 3704 dd.exe 96 PID 3704 wrote to memory of 4796 3704 dd.exe 96 PID 3704 wrote to memory of 4796 3704 dd.exe 96 PID 3704 wrote to memory of 1832 3704 dd.exe 98 PID 3704 wrote to memory of 1832 3704 dd.exe 98 PID 3704 wrote to memory of 1832 3704 dd.exe 98 PID 3704 wrote to memory of 3488 3704 dd.exe 100 PID 3704 wrote to memory of 3488 3704 dd.exe 100 PID 3704 wrote to memory of 3488 3704 dd.exe 100 PID 3704 wrote to memory of 3488 3704 dd.exe 100 PID 3704 wrote to memory of 3488 3704 dd.exe 100 PID 3704 wrote to memory of 3488 3704 dd.exe 100 PID 3704 wrote to memory of 3488 3704 dd.exe 100 PID 3704 wrote to memory of 3488 3704 dd.exe 100
Processes
-
C:\Users\Admin\AppData\Local\Temp\dd.exe"C:\Users\Admin\AppData\Local\Temp\dd.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3704 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VUdwjF.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4796
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VUdwjF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp831A.tmp"2⤵
- Creates scheduled task(s)
PID:1832
-
-
C:\Users\Admin\AppData\Local\Temp\dd.exe"C:\Users\Admin\AppData\Local\Temp\dd.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3488
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_32ewzk1a.30n.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmp831A.tmp
- Size 1KB
- SHA256 d23ee8cc4cb4300a20e37a4ffc694d51c80b9a987ab31d7d4ae6b35d6ab30241
- MD5 85b9757346bdc1404e232a895cf51ea4
- SHA1 d8a6898b768817a49b705dba785251767568b41b
- SHA512 66b76e92486467eb2787fbc837793d6e0cb04eb1deb94725ed5ee1a1844ef3eeaa50643f0ede7a261006a1251aaf13fdf7aa488fa47f1a70a07b69dc02f49c4f
- MD5 SHA1 SHA512