agenttesla | 650032961db3668f23cabc3c999e1efddae68bd77a9751de212d8ed9b719821e

General

Target

PR4007-PO161.exe
Size

829KB
MD5

e70025359ef960acb7a37572b0641ed2
SHA1

a315ab77f2519de210727579b8cf98338144f105
SHA256

650032961db3668f23cabc3c999e1efddae68bd77a9751de212d8ed9b719821e
SHA512

7f7b91c83a51a95731b112cbe29a682fde5df678155ec66186e87ac67200655dc6bf97c3d37026e0e4b3b26b4a265e366fafbb511ae38650c5b2645c71dca675

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.afciphil.com.ph
Port:
587
Username:
[email protected]
Password:
r35eCaR@t4

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1324-126-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/1324-127-0x000000000043762E-mapping.dmp	family_agenttesla
behavioral2/memory/1324-133-0x0000000004FF0000-0x00000000054EE000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

PR4007-PO161.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts PR4007-PO161.exe
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

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	PR4007-PO161.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PR4007-PO161.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	PR4007-PO161.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PR4007-PO161.exe

description pid process target process

PID 808 set thread context of 1324 808 PR4007-PO161.exe PR4007-PO161.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

2960 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

PR4007-PO161.exe

pid process

1324 PR4007-PO161.exe
1324 PR4007-PO161.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

PR4007-PO161.exe

description pid process

Token: SeDebugPrivilege 1324 PR4007-PO161.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PR4007-PO161.exe

pid process

1324 PR4007-PO161.exe

description	pid	process	target process
PID 808 set thread context of 1324	808	PR4007-PO161.exe	PR4007-PO161.exe

pid	process
2960	schtasks.exe

pid	process
1324	PR4007-PO161.exe
1324	PR4007-PO161.exe

description	pid	process
Token: SeDebugPrivilege	1324	PR4007-PO161.exe

pid	process
1324	PR4007-PO161.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

PR4007-PO161.exe

description	pid	process	target process
PID 808 wrote to memory of 2960	808	PR4007-PO161.exe	schtasks.exe
PID 808 wrote to memory of 2960	808	PR4007-PO161.exe	schtasks.exe
PID 808 wrote to memory of 2960	808	PR4007-PO161.exe	schtasks.exe
PID 808 wrote to memory of 1324	808	PR4007-PO161.exe	PR4007-PO161.exe
PID 808 wrote to memory of 1324	808	PR4007-PO161.exe	PR4007-PO161.exe
PID 808 wrote to memory of 1324	808	PR4007-PO161.exe	PR4007-PO161.exe
PID 808 wrote to memory of 1324	808	PR4007-PO161.exe	PR4007-PO161.exe
PID 808 wrote to memory of 1324	808	PR4007-PO161.exe	PR4007-PO161.exe
PID 808 wrote to memory of 1324	808	PR4007-PO161.exe	PR4007-PO161.exe
PID 808 wrote to memory of 1324	808	PR4007-PO161.exe	PR4007-PO161.exe
PID 808 wrote to memory of 1324	808	PR4007-PO161.exe	PR4007-PO161.exe

C:\Users\Admin\AppData\Local\Temp\PR4007-PO161.exe
"C:\Users\Admin\AppData\Local\Temp\PR4007-PO161.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:808

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LNFrmOl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp203B.tmp"
2⤵
- Creates scheduled task(s)
PID:2960

C:\Users\Admin\AppData\Local\Temp\PR4007-PO161.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1324

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PR4007-PO161.exe.log
MD5
0c2899d7c6746f42d5bbe088c777f94c

SHA1
622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

SHA256
5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

SHA512
ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp203B.tmp
MD5
bb9001e93b459c06ef0782a4a87817ad

SHA1
a21150263da579e9b832d1a4291db9509889be38

SHA256
a7de3bcc18a8f0dcb0574344c91c7799e4fde7b73c916388b7d3e3400e0afeba

SHA512
31d5474692ec15fd637b9c2b701c3ddf64c316a6f3b88890d7852094790effed3c7ce9d6005d712a3dcba4677ae8f85a4a6eebd27d314cf1a31e64358f4be1a1

Download Submit
memory/808-123-0x000000000D4C0000-0x000000000D504000-memory.dmp

Filesize
272KB

Download
memory/808-118-0x0000000007770000-0x0000000007C6E000-memory.dmp

Filesize
5.0MB

Download
memory/808-119-0x0000000007980000-0x0000000007981000-memory.dmp

Filesize
4KB

Download
memory/808-120-0x0000000009C10000-0x0000000009C11000-memory.dmp

Filesize
4KB

Download
memory/808-121-0x0000000004DC0000-0x0000000004DC2000-memory.dmp

Filesize
8KB

Download
memory/808-122-0x0000000009530000-0x00000000095B3000-memory.dmp

Filesize
524KB

Download
memory/808-114-0x00000000008F0000-0x00000000008F1000-memory.dmp

Filesize
4KB

Download
memory/808-116-0x0000000007C70000-0x0000000007C71000-memory.dmp

Filesize
4KB

Download
memory/808-117-0x0000000007810000-0x0000000007811000-memory.dmp

Filesize
4KB

Download
memory/1324-127-0x000000000043762E-mapping.dmp

Download
memory/1324-126-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1324-133-0x0000000004FF0000-0x00000000054EE000-memory.dmp

Filesize
5.0MB

Download
memory/1324-134-0x0000000005150000-0x0000000005151000-memory.dmp

Filesize
4KB

Download
memory/1324-135-0x0000000005CE0000-0x0000000005CE1000-memory.dmp

Filesize
4KB

Download
memory/2960-124-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads