agenttesla | 058a6edcb13766ae0387d7b3e270d54231553dceb2a55d3d16bb40ab5c39042c

General

Target

doc07486620200116112353.exe
Size

424KB
MD5

27046fd97f839d57e3c19f66bcbbb3af
SHA1

2773004ab886097ca44cca67b0a87f372f720f21
SHA256

70a7c18aa0fb1b6a542988faad566ef09a748042d6451bb7cd50871ff95e09ca
SHA512

09640209fceb6d80799b3c9a2054d27e02a6066ba03c66b0d4e52baafe2c12b5dc8d92bdd2a3451d9cf839e0c341379066d1e63124589f4f2cb9e7d3af5931cf

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.aquariuslogistics.com
Port:
587
Username:
[email protected]
Password:
AQL@2019#$

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.aquariuslogistics.com
Port:
587
Username:
[email protected]
Password:
AQL@2019#$

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3132-139-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

doc07486620200116112353.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts doc07486620200116112353.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	doc07486620200116112353.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

doc07486620200116112353.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	doc07486620200116112353.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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

doc07486620200116112353.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc07486620200116112353.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc07486620200116112353.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc07486620200116112353.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

doc07486620200116112353.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CpSnJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CpSnJ\\CpSnJ.exe"	doc07486620200116112353.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

doc07486620200116112353.exe

description pid process target process

PID 2128 set thread context of 3132 2128 doc07486620200116112353.exe doc07486620200116112353.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

5104 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1400 REG.exe

description	pid	process	target process
PID 2128 set thread context of 3132	2128	doc07486620200116112353.exe	doc07486620200116112353.exe

pid	process
5104	schtasks.exe

pid	process
1400	REG.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

doc07486620200116112353.exedoc07486620200116112353.exe

pid	process
2128	doc07486620200116112353.exe
2128	doc07486620200116112353.exe
2128	doc07486620200116112353.exe
3132	doc07486620200116112353.exe
3132	doc07486620200116112353.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

doc07486620200116112353.exedoc07486620200116112353.exe

description pid process

Token: SeDebugPrivilege 2128 doc07486620200116112353.exe
Token: SeDebugPrivilege 3132 doc07486620200116112353.exe

description	pid	process
Token: SeDebugPrivilege	2128	doc07486620200116112353.exe
Token: SeDebugPrivilege	3132	doc07486620200116112353.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

doc07486620200116112353.exedoc07486620200116112353.exe

description	pid	process	target process
PID 2128 wrote to memory of 5104	2128	doc07486620200116112353.exe	schtasks.exe
PID 2128 wrote to memory of 5104	2128	doc07486620200116112353.exe	schtasks.exe
PID 2128 wrote to memory of 5104	2128	doc07486620200116112353.exe	schtasks.exe
PID 2128 wrote to memory of 3808	2128	doc07486620200116112353.exe	doc07486620200116112353.exe
PID 2128 wrote to memory of 3808	2128	doc07486620200116112353.exe	doc07486620200116112353.exe
PID 2128 wrote to memory of 3808	2128	doc07486620200116112353.exe	doc07486620200116112353.exe
PID 2128 wrote to memory of 3132	2128	doc07486620200116112353.exe	doc07486620200116112353.exe
PID 2128 wrote to memory of 3132	2128	doc07486620200116112353.exe	doc07486620200116112353.exe
PID 2128 wrote to memory of 3132	2128	doc07486620200116112353.exe	doc07486620200116112353.exe
PID 2128 wrote to memory of 3132	2128	doc07486620200116112353.exe	doc07486620200116112353.exe
PID 2128 wrote to memory of 3132	2128	doc07486620200116112353.exe	doc07486620200116112353.exe
PID 2128 wrote to memory of 3132	2128	doc07486620200116112353.exe	doc07486620200116112353.exe
PID 2128 wrote to memory of 3132	2128	doc07486620200116112353.exe	doc07486620200116112353.exe
PID 2128 wrote to memory of 3132	2128	doc07486620200116112353.exe	doc07486620200116112353.exe
PID 3132 wrote to memory of 1400	3132	doc07486620200116112353.exe	REG.exe
PID 3132 wrote to memory of 1400	3132	doc07486620200116112353.exe	REG.exe
PID 3132 wrote to memory of 1400	3132	doc07486620200116112353.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

doc07486620200116112353.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc07486620200116112353.exe

outlook_win_path 1 IoCs

Processes:

doc07486620200116112353.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc07486620200116112353.exe

C:\Users\Admin\AppData\Local\Temp\doc07486620200116112353.exe
"C:\Users\Admin\AppData\Local\Temp\doc07486620200116112353.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2128

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KRRJlISXuSWtN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp95E7.tmp"
2⤵
- Creates scheduled task(s)
PID:5104

C:\Users\Admin\AppData\Local\Temp\doc07486620200116112353.exe
"{path}"
2⤵
PID:3808

C:\Users\Admin\AppData\Local\Temp\doc07486620200116112353.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:3132

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
3⤵
- Modifies registry key
PID:1400

Network

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

2

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\tmp95E7.tmp

Filesize
1KB

MD5
d243476ccb52e89a76a64dae16fec9a4

SHA1
d64295acc5010c035f26422d28feb3e7d27a5e85

SHA256
b8a9e7be737d6a9a3a74901a046a63157334f80984c1f3b9ec3fd739803af806

SHA512
81089995079c11ed8a406cfc170c548177fa609ef9693b58e658651bdc14e5c487955530eeb260d5ffcbdf5eb5e0def340a5fa205753449edd40f9866958c042

Download Submit
memory/1400-142-0x0000000000000000-mapping.dmp

Download
memory/2128-133-0x0000000005200000-0x000000000520A000-memory.dmp

Filesize
40KB

Download
memory/2128-130-0x0000000000750000-0x00000000007C0000-memory.dmp

Filesize
448KB

Download
memory/2128-134-0x0000000008920000-0x00000000089BC000-memory.dmp

Filesize
624KB

Download
memory/2128-132-0x0000000005150000-0x00000000051E2000-memory.dmp

Filesize
584KB

Download
memory/2128-131-0x0000000005830000-0x0000000005DD4000-memory.dmp

Filesize
5.6MB

Download
memory/3132-138-0x0000000000000000-mapping.dmp

Download
memory/3132-139-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3132-140-0x0000000006080000-0x00000000060E6000-memory.dmp

Filesize
408KB

Download
memory/3132-141-0x0000000006CB0000-0x0000000006D00000-memory.dmp

Filesize
320KB

Download
memory/3808-137-0x0000000000000000-mapping.dmp

Download
memory/5104-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads