agenttesla | 4fb6cee3d4658f6af952aed7a8a30f4be80a805a91b12e10fbda0b301807d694

General

Target

Quotation (1).exe
Size

615KB
MD5

be9b777561bcac8ddf57f732b4f4d48e
SHA1

9f32b1b269678bc09f3fc11a7928d9fd333077e1
SHA256

0535bc297732d4810fc46c783c71e160b6ac3c7cc3596dd7ffdb3606ab1b3319
SHA512

b1558692b49a8e1bb4bb2106505527043eb94d60fee3ea65820c64e27dab0327e2bbae54a14d01950917a37fad51c92d9b6f275f32aada40b4a8e75507fd658e

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
mmm777

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/2032-61-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/2032-62-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/2032-63-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/2032-64-0x000000000044A73E-mapping.dmp	family_agenttesla
behavioral1/memory/2032-66-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/2032-68-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

Quotation (1).exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts Quotation (1).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	Quotation (1).exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Quotation (1).exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation (1).exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation (1).exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation (1).exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Quotation (1).exe

description pid process target process

PID 1412 set thread context of 2032 1412 Quotation (1).exe Quotation (1).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

936 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Quotation (1).exeQuotation (1).exe

pid process

1412 Quotation (1).exe
1412 Quotation (1).exe
2032 Quotation (1).exe
2032 Quotation (1).exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Quotation (1).exeQuotation (1).exe

description pid process

Token: SeDebugPrivilege 1412 Quotation (1).exe
Token: SeDebugPrivilege 2032 Quotation (1).exe

description	pid	process	target process
PID 1412 set thread context of 2032	1412	Quotation (1).exe	Quotation (1).exe

pid	process
936	schtasks.exe

pid	process
1412	Quotation (1).exe
1412	Quotation (1).exe
2032	Quotation (1).exe
2032	Quotation (1).exe

description	pid	process
Token: SeDebugPrivilege	1412	Quotation (1).exe
Token: SeDebugPrivilege	2032	Quotation (1).exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Quotation (1).exe

description	pid	process	target process
PID 1412 wrote to memory of 936	1412	Quotation (1).exe	schtasks.exe
PID 1412 wrote to memory of 936	1412	Quotation (1).exe	schtasks.exe
PID 1412 wrote to memory of 936	1412	Quotation (1).exe	schtasks.exe
PID 1412 wrote to memory of 936	1412	Quotation (1).exe	schtasks.exe
PID 1412 wrote to memory of 2032	1412	Quotation (1).exe	Quotation (1).exe
PID 1412 wrote to memory of 2032	1412	Quotation (1).exe	Quotation (1).exe
PID 1412 wrote to memory of 2032	1412	Quotation (1).exe	Quotation (1).exe
PID 1412 wrote to memory of 2032	1412	Quotation (1).exe	Quotation (1).exe
PID 1412 wrote to memory of 2032	1412	Quotation (1).exe	Quotation (1).exe
PID 1412 wrote to memory of 2032	1412	Quotation (1).exe	Quotation (1).exe
PID 1412 wrote to memory of 2032	1412	Quotation (1).exe	Quotation (1).exe
PID 1412 wrote to memory of 2032	1412	Quotation (1).exe	Quotation (1).exe
PID 1412 wrote to memory of 2032	1412	Quotation (1).exe	Quotation (1).exe

outlook_office_path 1 IoCs

Processes:

Quotation (1).exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation (1).exe

outlook_win_path 1 IoCs

Processes:

Quotation (1).exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation (1).exe

C:\Users\Admin\AppData\Local\Temp\Quotation (1).exe
"C:\Users\Admin\AppData\Local\Temp\Quotation (1).exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1412

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\klUsWk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFEF8.tmp"
2⤵
- Creates scheduled task(s)
PID:936

C:\Users\Admin\AppData\Local\Temp\Quotation (1).exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2032

MITRE ATT&CK Enterprise 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

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpFEF8.tmp
Filesize
1KB

MD5
ef710271bbe1f753984af5227f196ab9

SHA1
05f0fffe7fa5fed85605e4ab7126036a0d2341bf

SHA256
91052608da2e97dac82133718104a28de657de6fe9bd9f92acac7b7d2ca404f6

SHA512
da1685b5dbd8351deddaca0e9b0ad756db16bf2a8cff7ce4c1a0f45f88c8cecb7f2f2b5d20dceeb8792fb166fbd93a9a20b9852ece95b4af974c81d2209a3b0f

Download Submit
memory/936-56-0x0000000000000000-mapping.dmp

Download
memory/1412-54-0x00000000752A1000-0x00000000752A3000-memory.dmp

Filesize
8KB

Download
memory/1412-55-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2032-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2032-59-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2032-58-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2032-62-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2032-63-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2032-64-0x000000000044A73E-mapping.dmp

Download
memory/2032-66-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2032-68-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2032-70-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads