agenttesla | f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33

General

Target

f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.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
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

regasm.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\plQRn12hj21nbv = "C:\\Users\\Admin\\AppData\\Roaming\\plQRn12hj21nbv\\plQRn12hj21nbv.exe"	regasm.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

3 api.ipify.org
2 api.ipify.org

flow	ioc
3	api.ipify.org
2	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe

description	pid	process	target process
PID 2104 set thread context of 2596	2104	f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe	regasm.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

regasm.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	regasm.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	regasm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regasm.exe

pid process

2596 regasm.exe
2596 regasm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

regasm.exe

description pid process

Token: SeDebugPrivilege 2596 regasm.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

regasm.exe

pid process

2596 regasm.exe

pid	process
2596	regasm.exe
2596	regasm.exe

description	pid	process
Token: SeDebugPrivilege	2596	regasm.exe

pid	process
2596	regasm.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe

description	pid	process	target process
PID 2104 wrote to memory of 2608	2104	f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe	installutil.exe
PID 2104 wrote to memory of 2608	2104	f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe	installutil.exe
PID 2104 wrote to memory of 2608	2104	f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe	installutil.exe
PID 2104 wrote to memory of 2608	2104	f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe	installutil.exe
PID 2104 wrote to memory of 2608	2104	f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe	installutil.exe
PID 2104 wrote to memory of 2608	2104	f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe	installutil.exe
PID 2104 wrote to memory of 2608	2104	f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe	installutil.exe
PID 2104 wrote to memory of 2596	2104	f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe	regasm.exe
PID 2104 wrote to memory of 2596	2104	f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe	regasm.exe
PID 2104 wrote to memory of 2596	2104	f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe	regasm.exe
PID 2104 wrote to memory of 2596	2104	f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe	regasm.exe
PID 2104 wrote to memory of 2596	2104	f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe	regasm.exe
PID 2104 wrote to memory of 2596	2104	f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe	regasm.exe
PID 2104 wrote to memory of 2596	2104	f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe	regasm.exe
PID 2104 wrote to memory of 2596	2104	f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe	regasm.exe
PID 2104 wrote to memory of 2596	2104	f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe	regasm.exe
PID 2104 wrote to memory of 2596	2104	f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe	regasm.exe
PID 2104 wrote to memory of 2596	2104	f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe	regasm.exe
PID 2104 wrote to memory of 2596	2104	f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe	regasm.exe
PID 2104 wrote to memory of 2752	2104	f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe	WerFault.exe
PID 2104 wrote to memory of 2752	2104	f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe	WerFault.exe
PID 2104 wrote to memory of 2752	2104	f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe
"C:\Users\Admin\AppData\Local\Temp\f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2104

C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
2⤵
PID:2608

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2596

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2104 -s 632
2⤵
PID:2752

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

2

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2104-18-0x000007FEF5C43000-0x000007FEF5C44000-memory.dmp

Filesize
4KB

Download
memory/2104-1-0x0000000001CF0000-0x0000000001CFA000-memory.dmp

Filesize
40KB

Download
memory/2104-2-0x000007FEF5C40000-0x000007FEF662C000-memory.dmp

Filesize
9.9MB

Download
memory/2104-4-0x000007FEF5C40000-0x000007FEF662C000-memory.dmp

Filesize
9.9MB

Download
memory/2104-3-0x000007FEF5C40000-0x000007FEF662C000-memory.dmp

Filesize
9.9MB

Download
memory/2104-5-0x000007FEF5C40000-0x000007FEF662C000-memory.dmp

Filesize
9.9MB

Download
memory/2104-6-0x000000001B5A0000-0x000000001B636000-memory.dmp

Filesize
600KB

Download
memory/2104-19-0x000007FEF5C40000-0x000007FEF662C000-memory.dmp

Filesize
9.9MB

Download
memory/2104-0-0x000007FEF5C43000-0x000007FEF5C44000-memory.dmp

Filesize
4KB

Download
memory/2596-10-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2596-14-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2596-12-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2596-9-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2596-8-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2596-7-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2596-16-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2596-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads