agenttesla | 4278d68fa6e6266797239e12bed7b937b48f1f80decc16261b84a485f4b08ea0

General

Target

IMG_6087721402pdf.exe
Size

1.4MB
MD5

3334a90396005ed7feeae9dd18f7e678
SHA1

6a6e79258939f7a81eb64e9605bc73ad89164d9d
SHA256

4278d68fa6e6266797239e12bed7b937b48f1f80decc16261b84a485f4b08ea0
SHA512

dafad78a3b235612ccdf6e2bb2cdd6ca915b4b7ad7a70ea4608a75bce3bca5e31a4b4ecdbdbbcbb042acf84bff9cc1496fc7bc364680db64f97dbdd5a6082673
SSDEEP

24576:WPfqCaMh2GVnWf0UAz7yabl+XMuMberEsAxNzZhs:XGg0N35i0

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
logxtai.shop
Port:
587
Username:
[email protected]
Password:
g%=fFsvUUCI*
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-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows\CurrentVersion\Run\Nsfwihnb = "\"C:\\Users\\Admin\\AppData\\Roaming\\Idjvzyscin\\Nsfwihnb.exe\""	IMG_6087721402pdf.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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 928 set thread context of 1496	928	IMG_6087721402pdf.exe	29

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1716	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1716	powershell.exe
Token: SeDebugPrivilege	928	IMG_6087721402pdf.exe
Token: SeDebugPrivilege	1496	InstallUtil.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 928 wrote to memory of 1716	928	IMG_6087721402pdf.exe	27
PID 928 wrote to memory of 1716	928	IMG_6087721402pdf.exe	27
PID 928 wrote to memory of 1716	928	IMG_6087721402pdf.exe	27
PID 928 wrote to memory of 1716	928	IMG_6087721402pdf.exe	27
PID 928 wrote to memory of 1496	928	IMG_6087721402pdf.exe	29
PID 928 wrote to memory of 1496	928	IMG_6087721402pdf.exe	29
PID 928 wrote to memory of 1496	928	IMG_6087721402pdf.exe	29
PID 928 wrote to memory of 1496	928	IMG_6087721402pdf.exe	29
PID 928 wrote to memory of 1496	928	IMG_6087721402pdf.exe	29
PID 928 wrote to memory of 1496	928	IMG_6087721402pdf.exe	29
PID 928 wrote to memory of 1496	928	IMG_6087721402pdf.exe	29
PID 928 wrote to memory of 1496	928	IMG_6087721402pdf.exe	29
PID 928 wrote to memory of 1496	928	IMG_6087721402pdf.exe	29
PID 928 wrote to memory of 1496	928	IMG_6087721402pdf.exe	29
PID 928 wrote to memory of 1496	928	IMG_6087721402pdf.exe	29
PID 928 wrote to memory of 1496	928	IMG_6087721402pdf.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\IMG_6087721402pdf.exe
"C:\Users\Admin\AppData\Local\Temp\IMG_6087721402pdf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:928
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1716
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1496

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/928-54-0x0000000000CD0000-0x0000000000E32000-memory.dmp

Filesize
1.4MB

Download
memory/928-55-0x0000000005C90000-0x0000000005D8A000-memory.dmp

Filesize
1000KB

Download
memory/928-56-0x00000000003C0000-0x00000000003DA000-memory.dmp

Filesize
104KB

Download
memory/928-57-0x0000000000B90000-0x0000000000C22000-memory.dmp

Filesize
584KB

Download
memory/928-58-0x0000000004990000-0x00000000049D0000-memory.dmp

Filesize
256KB

Download
memory/928-61-0x0000000004990000-0x00000000049D0000-memory.dmp

Filesize
256KB

Download
memory/1496-70-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1496-67-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1496-66-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1496-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1496-71-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1496-69-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1496-75-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1496-73-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1496-76-0x0000000004F70000-0x0000000004FB0000-memory.dmp

Filesize
256KB

Download
memory/1496-94-0x0000000004F70000-0x0000000004FB0000-memory.dmp

Filesize
256KB

Download
memory/1716-63-0x0000000002690000-0x00000000026D0000-memory.dmp

Filesize
256KB

Download
memory/1716-64-0x0000000002690000-0x00000000026D0000-memory.dmp

Filesize
256KB

Download
memory/1716-62-0x0000000002690000-0x00000000026D0000-memory.dmp

Filesize
256KB

Download

Analysis

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