agenttesla | 4a31df93e717119c99eff7ca85c26b1270927a9d87d32ec027c33422e0999292

Analysis

max time kernel
142s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230831-en
resource tags

arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
submitted
04/09/2023, 09:47

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General

Target

PDF RFQ FILE.exe
Size

17KB
MD5

4581c92fa77f8be0dde67599a35f984e
SHA1

cd9acde29b1dcde89cffb0a123f216060b8b6068
SHA256

4a31df93e717119c99eff7ca85c26b1270927a9d87d32ec027c33422e0999292
SHA512

c231151b0bb9f7c6aff7d1bed901b8265b54fae02e6a0f6d6a3245089815bd6bf908ae88dfc96f978b1e442e186fe3f1db7c1546f35e39f70d444ddebc45e046
SSDEEP

384:hxClkRyizHEbl3FihnJdfVL7n+OYmn1k/QaqsHwqp:D7Hil3FCFLbhgQqp

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.tandaauk.com
Port:
587
Username:
[email protected]
Password:
good2023@@
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YxMGVM = "C:\\Users\\Admin\\AppData\\Roaming\\YxMGVM\\YxMGVM.exe"	MSBuild.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
29	api.ipify.org
30	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3648 set thread context of 3740	3648	PDF RFQ FILE.exe	88

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3740	MSBuild.exe
3740	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3648	PDF RFQ FILE.exe
Token: SeDebugPrivilege	3740	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3648 wrote to memory of 3740	3648	PDF RFQ FILE.exe	88
PID 3648 wrote to memory of 3740	3648	PDF RFQ FILE.exe	88
PID 3648 wrote to memory of 3740	3648	PDF RFQ FILE.exe	88
PID 3648 wrote to memory of 3740	3648	PDF RFQ FILE.exe	88
PID 3648 wrote to memory of 3740	3648	PDF RFQ FILE.exe	88
PID 3648 wrote to memory of 3740	3648	PDF RFQ FILE.exe	88
PID 3648 wrote to memory of 3740	3648	PDF RFQ FILE.exe	88
PID 3648 wrote to memory of 3740	3648	PDF RFQ FILE.exe	88

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\PDF RFQ FILE.exe
"C:\Users\Admin\AppData\Local\Temp\PDF RFQ FILE.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3648
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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:3740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3648-0-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/3648-1-0x0000000000DA0000-0x0000000000DAA000-memory.dmp

Filesize
40KB

Download
memory/3648-2-0x0000000005CF0000-0x0000000006294000-memory.dmp

Filesize
5.6MB

Download
memory/3648-3-0x00000000057E0000-0x0000000005872000-memory.dmp

Filesize
584KB

Download
memory/3648-4-0x00000000059E0000-0x00000000059F0000-memory.dmp

Filesize
64KB

Download
memory/3648-5-0x0000000005760000-0x000000000576A000-memory.dmp

Filesize
40KB

Download
memory/3648-6-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-7-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-9-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-11-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-13-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-15-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-17-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-19-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-21-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-23-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-25-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-27-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-29-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-31-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-33-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-35-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-37-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-39-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-43-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-41-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-45-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-47-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-49-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-51-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-53-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-55-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-57-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-59-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-61-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-63-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-65-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-67-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-69-0x00000000090E0000-0x00000000091A5000-memory.dmp

Filesize
788KB

Download
memory/3648-501-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/3648-946-0x00000000059E0000-0x00000000059F0000-memory.dmp

Filesize
64KB

Download
memory/3648-1084-0x0000000008760000-0x0000000008761000-memory.dmp

Filesize
4KB

Download
memory/3648-1085-0x00000000059E0000-0x00000000059F0000-memory.dmp

Filesize
64KB

Download
memory/3648-1088-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/3740-1089-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/3740-1090-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3740-1091-0x00000000056C0000-0x00000000056D0000-memory.dmp

Filesize
64KB

Download
memory/3740-1092-0x0000000005600000-0x0000000005666000-memory.dmp

Filesize
408KB

Download
memory/3740-1094-0x0000000006B70000-0x0000000006BC0000-memory.dmp

Filesize
320KB

Download
memory/3740-1095-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download