agenttesla | f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33

General

Target

Aluminium_Oxide00980000.pdf.exe
Size

1.2MB
MD5

0121ac85dac0e08a52e66625dd8f7b76
SHA1

c584b4edae0914020a6b46690bfc2f2ca0e3f2e0
SHA256

f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33
SHA512

1ebe1cc2f221b0148197d770b50aebc19af17244f859540963c99bc3e2e3dfa1db0b042d0f9c36d4d6754eb597f60d2ed5757e30fb7c7eb88767895d407c8f11
SSDEEP

24576:6XMUEIvSt6qJ3zH6s5K4Z3LNeBXr3v6QXBUdAiZO8IZO:y0mM3LclTdviUvZO

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.brusln.com
Port:
587
Username:
[email protected]
Password:
Countrycode@2024

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.brusln.com
Port:
587
Username:
[email protected]
Password:
Countrycode@2024
Email To:
[email protected]

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

jsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\plQRn12hj21nbv = "C:\\Users\\Admin\\AppData\\Roaming\\plQRn12hj21nbv\\plQRn12hj21nbv.exe"	jsc.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.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Aluminium_Oxide00980000.pdf.exe

description pid process target process

PID 2320 set thread context of 2648 2320 Aluminium_Oxide00980000.pdf.exe jsc.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

jsc.exe

pid process

2648 jsc.exe
2648 jsc.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

jsc.exe

description pid process

Token: SeDebugPrivilege 2648 jsc.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

jsc.exe

pid process

2648 jsc.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org

description	pid	process	target process
PID 2320 set thread context of 2648	2320	Aluminium_Oxide00980000.pdf.exe	jsc.exe

pid	process
2648	jsc.exe
2648	jsc.exe

description	pid	process
Token: SeDebugPrivilege	2648	jsc.exe

pid	process
2648	jsc.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

Aluminium_Oxide00980000.pdf.exe

description	pid	process	target process
PID 2320 wrote to memory of 2572	2320	Aluminium_Oxide00980000.pdf.exe	msbuild.exe
PID 2320 wrote to memory of 2572	2320	Aluminium_Oxide00980000.pdf.exe	msbuild.exe
PID 2320 wrote to memory of 2572	2320	Aluminium_Oxide00980000.pdf.exe	msbuild.exe
PID 2320 wrote to memory of 2572	2320	Aluminium_Oxide00980000.pdf.exe	msbuild.exe
PID 2320 wrote to memory of 2572	2320	Aluminium_Oxide00980000.pdf.exe	msbuild.exe
PID 2320 wrote to memory of 2572	2320	Aluminium_Oxide00980000.pdf.exe	msbuild.exe
PID 2320 wrote to memory of 2572	2320	Aluminium_Oxide00980000.pdf.exe	msbuild.exe
PID 2320 wrote to memory of 2572	2320	Aluminium_Oxide00980000.pdf.exe	msbuild.exe
PID 2320 wrote to memory of 2648	2320	Aluminium_Oxide00980000.pdf.exe	jsc.exe
PID 2320 wrote to memory of 2648	2320	Aluminium_Oxide00980000.pdf.exe	jsc.exe
PID 2320 wrote to memory of 2648	2320	Aluminium_Oxide00980000.pdf.exe	jsc.exe
PID 2320 wrote to memory of 2648	2320	Aluminium_Oxide00980000.pdf.exe	jsc.exe
PID 2320 wrote to memory of 2648	2320	Aluminium_Oxide00980000.pdf.exe	jsc.exe
PID 2320 wrote to memory of 2648	2320	Aluminium_Oxide00980000.pdf.exe	jsc.exe
PID 2320 wrote to memory of 2648	2320	Aluminium_Oxide00980000.pdf.exe	jsc.exe
PID 2320 wrote to memory of 2648	2320	Aluminium_Oxide00980000.pdf.exe	jsc.exe
PID 2320 wrote to memory of 2648	2320	Aluminium_Oxide00980000.pdf.exe	jsc.exe
PID 2320 wrote to memory of 2548	2320	Aluminium_Oxide00980000.pdf.exe	jsc.exe
PID 2320 wrote to memory of 2548	2320	Aluminium_Oxide00980000.pdf.exe	jsc.exe
PID 2320 wrote to memory of 2548	2320	Aluminium_Oxide00980000.pdf.exe	jsc.exe
PID 2320 wrote to memory of 2548	2320	Aluminium_Oxide00980000.pdf.exe	jsc.exe

C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
  2⤵
  PID:2572
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2648
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
  2⤵
  PID:2548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2320-0-0x000007FEF5DD3000-0x000007FEF5DD4000-memory.dmp

Filesize
4KB

Download
memory/2320-1-0x0000000000430000-0x000000000043A000-memory.dmp

Filesize
40KB

Download
memory/2320-2-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp

Filesize
9.9MB

Download
memory/2320-3-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp

Filesize
9.9MB

Download
memory/2320-4-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp

Filesize
9.9MB

Download
memory/2320-5-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp

Filesize
9.9MB

Download
memory/2320-6-0x0000000002180000-0x0000000002216000-memory.dmp

Filesize
600KB

Download
memory/2320-25-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp

Filesize
9.9MB

Download
memory/2572-8-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2572-9-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2572-12-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2572-7-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2648-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2648-20-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2648-24-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2648-22-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2648-26-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

Filesize
4KB

Download
memory/2648-27-0x0000000074A70000-0x000000007515E000-memory.dmp

Filesize
6.9MB

Download
memory/2648-29-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

Filesize
4KB

Download
memory/2648-30-0x0000000074A70000-0x000000007515E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads