Analysis
-
max time kernel
67s -
max time network
53s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
29-04-2024 09:42
Static task
static1
Behavioral task
behavioral1
Sample
Ref227395588_pdf.scr
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
Ref227395588_pdf.scr
Resource
win10v2004-20240419-en
General
-
Target
Ref227395588_pdf.scr
-
Size
505KB
-
MD5
88db09b12a478cac87ed465252c6c8f7
-
SHA1
0e3acd2b568bd58fcfd2e914eff2c982deb55258
-
SHA256
0f0b721073a35fe3e6b37d75582704acd5bdc1b3d71343e74d6fec59ac932deb
-
SHA512
7d228d662e3271920094e345d36597c2e6c880d12fc3cef8c3f1206711a0b49f93d2275b5527d8ce88c1e3772d0b011161d1bd16688cb9db28471a75b949ab67
-
SSDEEP
6144:+Z6ySmRH93qXyS8KevIl/8/vpwO4XMGdKf4xU0PrH7KjnvQWTk85KqZIMHYJqE4E:RySuRbpGv64vPrHmnkb+NHYqXZ4fa
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
gator3220.hostgator.com - Port:
587 - Username:
[email protected] - Password:
28#75@ts76#V1F8h - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
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.
Processes:
flow ioc 3 api.ipify.org 6 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Ref227395588_pdf.scrdescription pid process target process PID 3752 set thread context of 1432 3752 Ref227395588_pdf.scr RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
Powershell.exeRegAsm.exepid process 2296 Powershell.exe 2296 Powershell.exe 1432 RegAsm.exe 1432 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Powershell.exeRegAsm.exedescription pid process Token: SeDebugPrivilege 2296 Powershell.exe Token: SeDebugPrivilege 1432 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegAsm.exepid process 1432 RegAsm.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
Ref227395588_pdf.scrdescription pid process target process PID 3752 wrote to memory of 2296 3752 Ref227395588_pdf.scr Powershell.exe PID 3752 wrote to memory of 2296 3752 Ref227395588_pdf.scr Powershell.exe PID 3752 wrote to memory of 2296 3752 Ref227395588_pdf.scr Powershell.exe PID 3752 wrote to memory of 1432 3752 Ref227395588_pdf.scr RegAsm.exe PID 3752 wrote to memory of 1432 3752 Ref227395588_pdf.scr RegAsm.exe PID 3752 wrote to memory of 1432 3752 Ref227395588_pdf.scr RegAsm.exe PID 3752 wrote to memory of 1432 3752 Ref227395588_pdf.scr RegAsm.exe PID 3752 wrote to memory of 1432 3752 Ref227395588_pdf.scr RegAsm.exe PID 3752 wrote to memory of 1432 3752 Ref227395588_pdf.scr RegAsm.exe PID 3752 wrote to memory of 1432 3752 Ref227395588_pdf.scr RegAsm.exe PID 3752 wrote to memory of 1432 3752 Ref227395588_pdf.scr RegAsm.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Ref227395588_pdf.scr"C:\Users\Admin\AppData\Local\Temp\Ref227395588_pdf.scr" /S1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe"Powershell.exe" 'C:\Users\Admin\AppData\Local\Temp\Ref227395588_pdf.scr' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\command-line.exe'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_axoseb4r.rkn.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
memory/1432-39-0x0000000006EB0000-0x0000000006F00000-memory.dmpFilesize
320KB
-
memory/1432-38-0x0000000005590000-0x00000000055A0000-memory.dmpFilesize
64KB
-
memory/1432-37-0x0000000074740000-0x0000000074EF0000-memory.dmpFilesize
7.7MB
-
memory/1432-31-0x0000000005590000-0x00000000055A0000-memory.dmpFilesize
64KB
-
memory/1432-30-0x0000000074740000-0x0000000074EF0000-memory.dmpFilesize
7.7MB
-
memory/1432-27-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
-
memory/2296-29-0x00000000066E0000-0x000000000672C000-memory.dmpFilesize
304KB
-
memory/2296-28-0x00000000066A0000-0x00000000066BE000-memory.dmpFilesize
120KB
-
memory/2296-11-0x0000000002D20000-0x0000000002D30000-memory.dmpFilesize
64KB
-
memory/2296-10-0x0000000002D20000-0x0000000002D30000-memory.dmpFilesize
64KB
-
memory/2296-8-0x0000000002D70000-0x0000000002DA6000-memory.dmpFilesize
216KB
-
memory/2296-12-0x0000000005780000-0x0000000005DA8000-memory.dmpFilesize
6.2MB
-
memory/2296-13-0x0000000005F20000-0x0000000005F42000-memory.dmpFilesize
136KB
-
memory/2296-14-0x0000000005FC0000-0x0000000006026000-memory.dmpFilesize
408KB
-
memory/2296-15-0x0000000006030000-0x0000000006096000-memory.dmpFilesize
408KB
-
memory/2296-36-0x0000000074740000-0x0000000074EF0000-memory.dmpFilesize
7.7MB
-
memory/2296-25-0x00000000061A0000-0x00000000064F4000-memory.dmpFilesize
3.3MB
-
memory/2296-9-0x0000000074740000-0x0000000074EF0000-memory.dmpFilesize
7.7MB
-
memory/3752-26-0x0000000004F70000-0x0000000004F7A000-memory.dmpFilesize
40KB
-
memory/3752-6-0x00000000050B0000-0x0000000005106000-memory.dmpFilesize
344KB
-
memory/3752-0-0x0000000000410000-0x0000000000494000-memory.dmpFilesize
528KB
-
memory/3752-5-0x0000000004EF0000-0x0000000004EFA000-memory.dmpFilesize
40KB
-
memory/3752-4-0x00000000050A0000-0x00000000050B0000-memory.dmpFilesize
64KB
-
memory/3752-33-0x0000000074740000-0x0000000074EF0000-memory.dmpFilesize
7.7MB
-
memory/3752-7-0x00000000051B0000-0x000000000524C000-memory.dmpFilesize
624KB
-
memory/3752-3-0x0000000004E40000-0x0000000004ED2000-memory.dmpFilesize
584KB
-
memory/3752-2-0x0000000005310000-0x00000000058B4000-memory.dmpFilesize
5.6MB
-
memory/3752-1-0x0000000074740000-0x0000000074EF0000-memory.dmpFilesize
7.7MB