agenttesla | e8138321c99700234e5e79d81c480c6798bf3d6df2dad375fbd8beb96d16635a

General

Target

POewWa3MHHx83.exe
Size

646KB
MD5

8e819fb39a348253d262fbb8304efb41
SHA1

9b84fd1eb519c43c80f840b784c5c092721958b9
SHA256

434697235faf9c70e317884f73881d5a2c0d4ea353641e65a95bb8a3c9fadce5
SHA512

ca89a91100b9f140a795cb65dfb6cabadc71938e69cde2a1e72229b34b50a485b57e44482bf26dfbaa65870d8ae021babf305717cd0cbc9b48ba71bc6576504e

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
mrshelp23409@!!#

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
mrshelp23409@!!#

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/2480-137-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

POewWa3MHHx83.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts POewWa3MHHx83.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	POewWa3MHHx83.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:

POewWa3MHHx83.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	POewWa3MHHx83.exe

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:

POewWa3MHHx83.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	POewWa3MHHx83.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	POewWa3MHHx83.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	POewWa3MHHx83.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

POewWa3MHHx83.exe

description pid process target process

PID 1240 set thread context of 2480 1240 POewWa3MHHx83.exe POewWa3MHHx83.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

4280 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

POewWa3MHHx83.exe

pid process

2480 POewWa3MHHx83.exe
2480 POewWa3MHHx83.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

POewWa3MHHx83.exe

description pid process

Token: SeDebugPrivilege 2480 POewWa3MHHx83.exe

description	pid	process	target process
PID 1240 set thread context of 2480	1240	POewWa3MHHx83.exe	POewWa3MHHx83.exe

pid	process
4280	schtasks.exe

pid	process
2480	POewWa3MHHx83.exe
2480	POewWa3MHHx83.exe

description	pid	process
Token: SeDebugPrivilege	2480	POewWa3MHHx83.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

POewWa3MHHx83.exe

description	pid	process	target process
PID 1240 wrote to memory of 4280	1240	POewWa3MHHx83.exe	schtasks.exe
PID 1240 wrote to memory of 4280	1240	POewWa3MHHx83.exe	schtasks.exe
PID 1240 wrote to memory of 4280	1240	POewWa3MHHx83.exe	schtasks.exe
PID 1240 wrote to memory of 2480	1240	POewWa3MHHx83.exe	POewWa3MHHx83.exe
PID 1240 wrote to memory of 2480	1240	POewWa3MHHx83.exe	POewWa3MHHx83.exe
PID 1240 wrote to memory of 2480	1240	POewWa3MHHx83.exe	POewWa3MHHx83.exe
PID 1240 wrote to memory of 2480	1240	POewWa3MHHx83.exe	POewWa3MHHx83.exe
PID 1240 wrote to memory of 2480	1240	POewWa3MHHx83.exe	POewWa3MHHx83.exe
PID 1240 wrote to memory of 2480	1240	POewWa3MHHx83.exe	POewWa3MHHx83.exe
PID 1240 wrote to memory of 2480	1240	POewWa3MHHx83.exe	POewWa3MHHx83.exe
PID 1240 wrote to memory of 2480	1240	POewWa3MHHx83.exe	POewWa3MHHx83.exe

outlook_office_path 1 IoCs

Processes:

POewWa3MHHx83.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	POewWa3MHHx83.exe

outlook_win_path 1 IoCs

Processes:

POewWa3MHHx83.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	POewWa3MHHx83.exe

C:\Users\Admin\AppData\Local\Temp\POewWa3MHHx83.exe
"C:\Users\Admin\AppData\Local\Temp\POewWa3MHHx83.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1240
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LkBuJewArzm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9AB.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4280
- C:\Users\Admin\AppData\Local\Temp\POewWa3MHHx83.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:2480

Network

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

2

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\Microsoft\CLR_v4.0_32\UsageLogs\POewWa3MHHx83.exe.log

Filesize
507B

MD5
ab4c71d3ff6255edd4e5c1e09540f49e

SHA1
22e06bf4e258741b5df918061871cba998c50cea

SHA256
1690fec628f775dd3c3385b800eed126b37978ef2ffd592b024052724caafb5a

SHA512
8fa7d0045796e6cda7c28e2b9a690ef550619828c1b5d0ebf8e8367aff4bf4d9f63121e5b4f199d30cb8006eb584c6767f4c59150749b8256dab9dd0ebd9f1af

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9AB.tmp

Filesize
1KB

MD5
226f42a58432ec9193f409f1cada6bb1

SHA1
8f00e3c2827558269c447731524dca447d367135

SHA256
62b3d191715c5325d6a0a726eb38652de1a2c35a9a7731a0f95db19c1ca0f73a

SHA512
1f6914537bac84c2c36ca1776195f9acf1879814f170e72316ab5f71f6716e9a6c5a0a7ded73ac305ec2b3ca19f05513194b97d708e73a1814defae627767cb0

Download Submit
memory/1240-130-0x00000000002B0000-0x0000000000356000-memory.dmp

Filesize
664KB

Download
memory/1240-131-0x0000000004CC0000-0x0000000004D5C000-memory.dmp

Filesize
624KB

Download
memory/1240-132-0x0000000004E00000-0x0000000004E92000-memory.dmp

Filesize
584KB

Download
memory/1240-133-0x0000000005A90000-0x0000000006034000-memory.dmp

Filesize
5.6MB

Download
memory/2480-136-0x0000000000000000-mapping.dmp

Download
memory/2480-137-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2480-139-0x0000000005700000-0x0000000005766000-memory.dmp

Filesize
408KB

Download
memory/2480-140-0x00000000061E0000-0x0000000006230000-memory.dmp

Filesize
320KB

Download
memory/4280-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads