agenttesla | 084f1c7e721b04fcdf9d147e3c35ae7a00e6b178744b015c039df6064fc0d4f9

General

Target

Payment Advice.pdf,'.exe
Size

918KB
MD5

abc8c6269c64321aa896027be32d45f7
SHA1

13641f490b4e8d63fa987110ef94496f1d6eea5e
SHA256

65ef5d90c345d4e35c915f78eb44b4a199a294ddef89c225079ab2df1051bce6
SHA512

d99abca96eb7200d671c4f03ab2df6c5d54dfaf4261cdf8fa48d0d5a87a8666b7b38a58cda62500f113dde68a3ab5bc0e2fdc24038ff1bf84fc9f60f68468080

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.lallyautomobiles.net
Port:
587
Username:
[email protected]
Password:
Welcome@2021

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/1548-124-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/1548-125-0x000000000043762E-mapping.dmp	family_agenttesla
behavioral2/memory/1548-131-0x0000000005900000-0x0000000005DFE000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

Payment Advice.pdf,'.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts Payment Advice.pdf,'.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	Payment Advice.pdf,'.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Payment Advice.pdf,'.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	Payment Advice.pdf,'.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Payment Advice.pdf,'.exe

description pid process target process

PID 3896 set thread context of 1548 3896 Payment Advice.pdf,'.exe Payment Advice.pdf,'.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Payment Advice.pdf,'.exe

pid process

1548 Payment Advice.pdf,'.exe
1548 Payment Advice.pdf,'.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Payment Advice.pdf,'.exe

description pid process

Token: SeDebugPrivilege 1548 Payment Advice.pdf,'.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Payment Advice.pdf,'.exe

pid process

1548 Payment Advice.pdf,'.exe

description	pid	process	target process
PID 3896 set thread context of 1548	3896	Payment Advice.pdf,'.exe	Payment Advice.pdf,'.exe

pid	process
1548	Payment Advice.pdf,'.exe
1548	Payment Advice.pdf,'.exe

description	pid	process
Token: SeDebugPrivilege	1548	Payment Advice.pdf,'.exe

pid	process
1548	Payment Advice.pdf,'.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Payment Advice.pdf,'.exe

description	pid	process	target process
PID 3896 wrote to memory of 1548	3896	Payment Advice.pdf,'.exe	Payment Advice.pdf,'.exe
PID 3896 wrote to memory of 1548	3896	Payment Advice.pdf,'.exe	Payment Advice.pdf,'.exe
PID 3896 wrote to memory of 1548	3896	Payment Advice.pdf,'.exe	Payment Advice.pdf,'.exe
PID 3896 wrote to memory of 1548	3896	Payment Advice.pdf,'.exe	Payment Advice.pdf,'.exe
PID 3896 wrote to memory of 1548	3896	Payment Advice.pdf,'.exe	Payment Advice.pdf,'.exe
PID 3896 wrote to memory of 1548	3896	Payment Advice.pdf,'.exe	Payment Advice.pdf,'.exe
PID 3896 wrote to memory of 1548	3896	Payment Advice.pdf,'.exe	Payment Advice.pdf,'.exe
PID 3896 wrote to memory of 1548	3896	Payment Advice.pdf,'.exe	Payment Advice.pdf,'.exe

C:\Users\Admin\AppData\Local\Temp\Payment Advice.pdf,'.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Advice.pdf,'.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3896

C:\Users\Admin\AppData\Local\Temp\Payment Advice.pdf,'.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:1548

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Payment Advice.pdf,'.exe.log
MD5
0c2899d7c6746f42d5bbe088c777f94c

SHA1
622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

SHA256
5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

SHA512
ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

Download Submit
memory/1548-124-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1548-133-0x00000000065F0000-0x00000000065F1000-memory.dmp

Filesize
4KB

Download
memory/1548-132-0x0000000005A80000-0x0000000005A81000-memory.dmp

Filesize
4KB

Download
memory/1548-131-0x0000000005900000-0x0000000005DFE000-memory.dmp

Filesize
5.0MB

Download
memory/1548-125-0x000000000043762E-mapping.dmp

Download
memory/3896-118-0x0000000004FA0000-0x0000000004FA1000-memory.dmp

Filesize
4KB

Download
memory/3896-122-0x00000000088B0000-0x0000000008961000-memory.dmp

Filesize
708KB

Download
memory/3896-123-0x000000000AF60000-0x000000000AFD0000-memory.dmp

Filesize
448KB

Download
memory/3896-121-0x00000000051A0000-0x00000000051A5000-memory.dmp

Filesize
20KB

Download
memory/3896-120-0x0000000006B10000-0x0000000006B11000-memory.dmp

Filesize
4KB

Download
memory/3896-119-0x0000000005070000-0x000000000556E000-memory.dmp

Filesize
5.0MB

Download
memory/3896-114-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/3896-117-0x0000000004FB0000-0x0000000004FB1000-memory.dmp

Filesize
4KB

Download
memory/3896-116-0x0000000005570000-0x0000000005571000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads