agenttesla | 4438ac3a817a18c6e18e17a9dd9ae8d9979654adba138d315fa107ccf1e20e0e

General

Target

P&I_Circularpdf.exe
Size

926KB
MD5

cf0c599dca5b3adb02a92b94f6927f5b
SHA1

57cbfe68c8f411bd283b042243b8751cca1bb15e
SHA256

0444729289d8a3c480eb3f29e936f29d048f69c71a691b20489e50890fa22983
SHA512

f383eeda78644b966baad5be489e7a65d734d93b815420d4e0fe3920a8ee20dddcd14a40397d135f780ac7816a50db2ea32661bb9a81b803ab92f2ea0dfd1c22

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
secure231.servconfig.com
Port:
587
Username:
[email protected]
Password:
eltaefSH6548883

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1984-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1984-64-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1984-65-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1984-66-0x000000000044C92E-mapping.dmp	family_agenttesla
behavioral1/memory/1984-68-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1984-70-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

P&I_Circularpdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	P&I_Circularpdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	P&I_Circularpdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	P&I_Circularpdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

P&I_Circularpdf.exe

description pid process target process

PID 1904 set thread context of 1984 1904 P&I_Circularpdf.exe P&I_Circularpdf.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2000 schtasks.exe

description	pid	process	target process
PID 1904 set thread context of 1984	1904	P&I_Circularpdf.exe	P&I_Circularpdf.exe

pid	process
2000	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

P&I_Circularpdf.exeP&I_Circularpdf.exe

pid	process
1904	P&I_Circularpdf.exe
1904	P&I_Circularpdf.exe
1904	P&I_Circularpdf.exe
1904	P&I_Circularpdf.exe
1904	P&I_Circularpdf.exe
1984	P&I_Circularpdf.exe
1984	P&I_Circularpdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

P&I_Circularpdf.exeP&I_Circularpdf.exe

description pid process

Token: SeDebugPrivilege 1904 P&I_Circularpdf.exe
Token: SeDebugPrivilege 1984 P&I_Circularpdf.exe

description	pid	process
Token: SeDebugPrivilege	1904	P&I_Circularpdf.exe
Token: SeDebugPrivilege	1984	P&I_Circularpdf.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

P&I_Circularpdf.exeP&I_Circularpdf.exe

description	pid	process	target process
PID 1904 wrote to memory of 2000	1904	P&I_Circularpdf.exe	schtasks.exe
PID 1904 wrote to memory of 2000	1904	P&I_Circularpdf.exe	schtasks.exe
PID 1904 wrote to memory of 2000	1904	P&I_Circularpdf.exe	schtasks.exe
PID 1904 wrote to memory of 2000	1904	P&I_Circularpdf.exe	schtasks.exe
PID 1904 wrote to memory of 1984	1904	P&I_Circularpdf.exe	P&I_Circularpdf.exe
PID 1904 wrote to memory of 1984	1904	P&I_Circularpdf.exe	P&I_Circularpdf.exe
PID 1904 wrote to memory of 1984	1904	P&I_Circularpdf.exe	P&I_Circularpdf.exe
PID 1904 wrote to memory of 1984	1904	P&I_Circularpdf.exe	P&I_Circularpdf.exe
PID 1904 wrote to memory of 1984	1904	P&I_Circularpdf.exe	P&I_Circularpdf.exe
PID 1904 wrote to memory of 1984	1904	P&I_Circularpdf.exe	P&I_Circularpdf.exe
PID 1904 wrote to memory of 1984	1904	P&I_Circularpdf.exe	P&I_Circularpdf.exe
PID 1904 wrote to memory of 1984	1904	P&I_Circularpdf.exe	P&I_Circularpdf.exe
PID 1904 wrote to memory of 1984	1904	P&I_Circularpdf.exe	P&I_Circularpdf.exe
PID 1984 wrote to memory of 1616	1984	P&I_Circularpdf.exe	netsh.exe
PID 1984 wrote to memory of 1616	1984	P&I_Circularpdf.exe	netsh.exe
PID 1984 wrote to memory of 1616	1984	P&I_Circularpdf.exe	netsh.exe
PID 1984 wrote to memory of 1616	1984	P&I_Circularpdf.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

P&I_Circularpdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	P&I_Circularpdf.exe

outlook_win_path 1 IoCs

Processes:

P&I_Circularpdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	P&I_Circularpdf.exe

C:\Users\Admin\AppData\Local\Temp\P&I_Circularpdf.exe
"C:\Users\Admin\AppData\Local\Temp\P&I_Circularpdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1904

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pDJzCcZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA748.tmp"
2⤵
- Creates scheduled task(s)
PID:2000

C:\Users\Admin\AppData\Local\Temp\P&I_Circularpdf.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1984

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1616

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA748.tmp
Filesize
1KB

MD5
366356dac133eb08e35cd79cccfab238

SHA1
4fdb9b82048c3126087f17e80bdeeaafbad7ff35

SHA256
14d32598f68bce983ddb84b1d064092733c6f743ae75fd55ceede3cd3ce1e412

SHA512
a7c15d6f0a962ffb743a05b7c9fac0fd103a3e9319fa7047481ca1cfabd8b3099c87cad8dc80197e6a199f13f693f89b5c9f0dcc0efb6c0947a1d0fb39f6f11a

Download Submit
memory/1616-72-0x0000000000000000-mapping.dmp

Download
memory/1904-54-0x0000000000B50000-0x0000000000C3E000-memory.dmp

Filesize
952KB

Download
memory/1904-55-0x0000000000240000-0x000000000024A000-memory.dmp

Filesize
40KB

Download
memory/1904-56-0x0000000002040000-0x00000000020AC000-memory.dmp

Filesize
432KB

Download
memory/1904-57-0x0000000000870000-0x00000000008C0000-memory.dmp

Filesize
320KB

Download
memory/1984-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1984-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1984-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1984-64-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1984-65-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1984-66-0x000000000044C92E-mapping.dmp

Download
memory/1984-60-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1984-70-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1984-71-0x00000000763B1000-0x00000000763B3000-memory.dmp

Filesize
8KB

Download
memory/2000-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads