agenttesla | 8dd97dc341e72b4830a7375c3e51de56ac35b91a31498d2dbeba929846d6129e

General

Target

w7a5Qzx6sR1WxLJ.exe
Size

963KB
MD5

817224692a2f3575c413a823c20cbe08
SHA1

13c029398a71a48f3cc56a05822a7263e599f1cc
SHA256

06874ef73df2968a28b4c4ecefc2d96d520941eeb8f447f76767ecdfd5a59b79
SHA512

d6f4fa8546351d7a0c97a84bf1e5cf7b5473fe3ea0017b6f277bbfe0b188382508b2dce5e7c90a4d9c19d8698c5afc1d7616f245bcf6ef7757b529be794cad3d

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
MARYolanmauluogwo@ever

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
behavioral6/memory/3376-141-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla

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:

w7a5Qzx6sR1WxLJ.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	w7a5Qzx6sR1WxLJ.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:

w7a5Qzx6sR1WxLJ.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	w7a5Qzx6sR1WxLJ.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	w7a5Qzx6sR1WxLJ.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	w7a5Qzx6sR1WxLJ.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

w7a5Qzx6sR1WxLJ.exe

description pid process target process

PID 1952 set thread context of 3376 1952 w7a5Qzx6sR1WxLJ.exe w7a5Qzx6sR1WxLJ.exe

description	pid	process	target process
PID 1952 set thread context of 3376	1952	w7a5Qzx6sR1WxLJ.exe	w7a5Qzx6sR1WxLJ.exe

Drops file in Windows directory 6 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.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

64 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

w7a5Qzx6sR1WxLJ.exe

pid process

3376 w7a5Qzx6sR1WxLJ.exe
3376 w7a5Qzx6sR1WxLJ.exe

pid	process
64	schtasks.exe

pid	process
3376	w7a5Qzx6sR1WxLJ.exe
3376	w7a5Qzx6sR1WxLJ.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

svchost.exew7a5Qzx6sR1WxLJ.exe

description	pid	process
Token: SeShutdownPrivilege	4936	svchost.exe
Token: SeCreatePagefilePrivilege	4936	svchost.exe
Token: SeShutdownPrivilege	4936	svchost.exe
Token: SeCreatePagefilePrivilege	4936	svchost.exe
Token: SeShutdownPrivilege	4936	svchost.exe
Token: SeCreatePagefilePrivilege	4936	svchost.exe
Token: SeDebugPrivilege	3376	w7a5Qzx6sR1WxLJ.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

w7a5Qzx6sR1WxLJ.exe

pid process

3376 w7a5Qzx6sR1WxLJ.exe

pid	process
3376	w7a5Qzx6sR1WxLJ.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

w7a5Qzx6sR1WxLJ.exe

description	pid	process	target process
PID 1952 wrote to memory of 64	1952	w7a5Qzx6sR1WxLJ.exe	schtasks.exe
PID 1952 wrote to memory of 64	1952	w7a5Qzx6sR1WxLJ.exe	schtasks.exe
PID 1952 wrote to memory of 64	1952	w7a5Qzx6sR1WxLJ.exe	schtasks.exe
PID 1952 wrote to memory of 3376	1952	w7a5Qzx6sR1WxLJ.exe	w7a5Qzx6sR1WxLJ.exe
PID 1952 wrote to memory of 3376	1952	w7a5Qzx6sR1WxLJ.exe	w7a5Qzx6sR1WxLJ.exe
PID 1952 wrote to memory of 3376	1952	w7a5Qzx6sR1WxLJ.exe	w7a5Qzx6sR1WxLJ.exe
PID 1952 wrote to memory of 3376	1952	w7a5Qzx6sR1WxLJ.exe	w7a5Qzx6sR1WxLJ.exe
PID 1952 wrote to memory of 3376	1952	w7a5Qzx6sR1WxLJ.exe	w7a5Qzx6sR1WxLJ.exe
PID 1952 wrote to memory of 3376	1952	w7a5Qzx6sR1WxLJ.exe	w7a5Qzx6sR1WxLJ.exe
PID 1952 wrote to memory of 3376	1952	w7a5Qzx6sR1WxLJ.exe	w7a5Qzx6sR1WxLJ.exe
PID 1952 wrote to memory of 3376	1952	w7a5Qzx6sR1WxLJ.exe	w7a5Qzx6sR1WxLJ.exe

outlook_office_path 1 IoCs

Processes:

w7a5Qzx6sR1WxLJ.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	w7a5Qzx6sR1WxLJ.exe

outlook_win_path 1 IoCs

Processes:

w7a5Qzx6sR1WxLJ.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	w7a5Qzx6sR1WxLJ.exe

C:\Users\Admin\AppData\Local\Temp\w7a5Qzx6sR1WxLJ.exe
"C:\Users\Admin\AppData\Local\Temp\w7a5Qzx6sR1WxLJ.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1952

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fsNzZrS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1FF4.tmp"
2⤵
- Creates scheduled task(s)
PID:64

C:\Users\Admin\AppData\Local\Temp\w7a5Qzx6sR1WxLJ.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:3376

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4936

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

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\Microsoft\CLR_v4.0_32\UsageLogs\w7a5Qzx6sR1WxLJ.exe.log
MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1FF4.tmp
MD5
8a1e8e218e4e115636bc33fc4e3dbc01

SHA1
adb217a09f3c10b112cfdc3b40a26cd5519dac24

SHA256
1be7f30a564504a4d3e0b7ae1aeb9d670924bb41508d6a78808b54a11e4fc0f4

SHA512
ff26cf95485186de9ba10653c1357a51c127ca01db2b6fee017b55c5c50c8f338d742818bd95b3397144ec82850334422837e2c441161602f3180935015b91ba

Download Submit
memory/1952-134-0x0000000005350000-0x000000000535A000-memory.dmp

Filesize
40KB

Download
memory/1952-131-0x0000000005870000-0x0000000005E14000-memory.dmp

Filesize
5.6MB

Download
memory/1952-130-0x00000000009C0000-0x0000000000AB6000-memory.dmp

Filesize
984KB

Download
memory/1952-135-0x0000000005300000-0x0000000005301000-memory.dmp

Filesize
4KB

Download
memory/1952-133-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/1952-132-0x0000000005360000-0x00000000053F2000-memory.dmp

Filesize
584KB

Download
memory/1952-139-0x0000000007B00000-0x0000000007B9C000-memory.dmp

Filesize
624KB

Download
memory/3376-141-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/3376-143-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/3376-144-0x0000000005610000-0x0000000005611000-memory.dmp

Filesize
4KB

Download
memory/3376-145-0x00000000062D0000-0x0000000006336000-memory.dmp

Filesize
408KB

Download
memory/3376-146-0x0000000006800000-0x0000000006850000-memory.dmp

Filesize
320KB

Download
memory/3376-147-0x0000000005611000-0x0000000005612000-memory.dmp

Filesize
4KB

Download
memory/4936-138-0x000001516B5B0000-0x000001516B5B4000-memory.dmp

Filesize
16KB

Download
memory/4936-137-0x0000015168F20000-0x0000015168F30000-memory.dmp

Filesize
64KB

Download
memory/4936-136-0x0000015168960000-0x0000015168970000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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