agenttesla | 86e4d942eaadae137e4730335406fe6f40cf5ee188b1c53b06cfb1e9a8033eb3

General

Target

UXeLnG40fQKjVMO.exe
Size

564KB
MD5

317e3a35af7cf8c2084ee8d996fa5af5
SHA1

cb1ef60d0971c53ddb36240886797e8a14155d7c
SHA256

6b6c3c4778e2ace06259417b71dee51867d17fcc1a23ac4c779fc83b08c853ec
SHA512

ac05e610858a855f8fccef5dc4bc2beda07cd71c7c09725c07798533c9f4280b3eaa15ae6b428e500c1c9e2d90a633903c34298216a07ab066b08652c6d6520c

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
kelechi12

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/1300-138-0x0000000000400000-0x000000000044C000-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:

UXeLnG40fQKjVMO.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	UXeLnG40fQKjVMO.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:

UXeLnG40fQKjVMO.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	UXeLnG40fQKjVMO.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	UXeLnG40fQKjVMO.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	UXeLnG40fQKjVMO.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

UXeLnG40fQKjVMO.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fWupL = "C:\\Users\\Admin\\AppData\\Roaming\\fWupL\\fWupL.exe"	UXeLnG40fQKjVMO.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

UXeLnG40fQKjVMO.exe

description pid process target process

PID 2920 set thread context of 1300 2920 UXeLnG40fQKjVMO.exe UXeLnG40fQKjVMO.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

2536 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

UXeLnG40fQKjVMO.exeUXeLnG40fQKjVMO.exe

pid process

2920 UXeLnG40fQKjVMO.exe
2920 UXeLnG40fQKjVMO.exe
2920 UXeLnG40fQKjVMO.exe
1300 UXeLnG40fQKjVMO.exe
1300 UXeLnG40fQKjVMO.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

UXeLnG40fQKjVMO.exeUXeLnG40fQKjVMO.exe

description pid process

Token: SeDebugPrivilege 2920 UXeLnG40fQKjVMO.exe
Token: SeDebugPrivilege 1300 UXeLnG40fQKjVMO.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

UXeLnG40fQKjVMO.exe

pid process

1300 UXeLnG40fQKjVMO.exe

description	pid	process	target process
PID 2920 set thread context of 1300	2920	UXeLnG40fQKjVMO.exe	UXeLnG40fQKjVMO.exe

pid	process
2536	schtasks.exe

pid	process
2920	UXeLnG40fQKjVMO.exe
2920	UXeLnG40fQKjVMO.exe
2920	UXeLnG40fQKjVMO.exe
1300	UXeLnG40fQKjVMO.exe
1300	UXeLnG40fQKjVMO.exe

description	pid	process
Token: SeDebugPrivilege	2920	UXeLnG40fQKjVMO.exe
Token: SeDebugPrivilege	1300	UXeLnG40fQKjVMO.exe

pid	process
1300	UXeLnG40fQKjVMO.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

UXeLnG40fQKjVMO.exe

description	pid	process	target process
PID 2920 wrote to memory of 2536	2920	UXeLnG40fQKjVMO.exe	schtasks.exe
PID 2920 wrote to memory of 2536	2920	UXeLnG40fQKjVMO.exe	schtasks.exe
PID 2920 wrote to memory of 2536	2920	UXeLnG40fQKjVMO.exe	schtasks.exe
PID 2920 wrote to memory of 1300	2920	UXeLnG40fQKjVMO.exe	UXeLnG40fQKjVMO.exe
PID 2920 wrote to memory of 1300	2920	UXeLnG40fQKjVMO.exe	UXeLnG40fQKjVMO.exe
PID 2920 wrote to memory of 1300	2920	UXeLnG40fQKjVMO.exe	UXeLnG40fQKjVMO.exe
PID 2920 wrote to memory of 1300	2920	UXeLnG40fQKjVMO.exe	UXeLnG40fQKjVMO.exe
PID 2920 wrote to memory of 1300	2920	UXeLnG40fQKjVMO.exe	UXeLnG40fQKjVMO.exe
PID 2920 wrote to memory of 1300	2920	UXeLnG40fQKjVMO.exe	UXeLnG40fQKjVMO.exe
PID 2920 wrote to memory of 1300	2920	UXeLnG40fQKjVMO.exe	UXeLnG40fQKjVMO.exe
PID 2920 wrote to memory of 1300	2920	UXeLnG40fQKjVMO.exe	UXeLnG40fQKjVMO.exe

outlook_office_path 1 IoCs

Processes:

UXeLnG40fQKjVMO.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	UXeLnG40fQKjVMO.exe

outlook_win_path 1 IoCs

Processes:

UXeLnG40fQKjVMO.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	UXeLnG40fQKjVMO.exe

C:\Users\Admin\AppData\Local\Temp\UXeLnG40fQKjVMO.exe
"C:\Users\Admin\AppData\Local\Temp\UXeLnG40fQKjVMO.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2920

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dXsGjw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6ADF.tmp"
2⤵
- Creates scheduled task(s)
PID:2536

C:\Users\Admin\AppData\Local\Temp\UXeLnG40fQKjVMO.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1300

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

1

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\Microsoft\CLR_v4.0_32\UsageLogs\UXeLnG40fQKjVMO.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6ADF.tmp

Filesize
1KB

MD5
b1fac812cb126144f02dd9e9752dc051

SHA1
05691699340f0a1c792fc4a0d3c2ddc15ebdd0cd

SHA256
b6459f4ef727a6d6699aa117ff94cb2afa2c091b79f6935051c17436e7a145bb

SHA512
66204fd0da4a6a190ab7999118f84a886fcb6bff1b3b7d3c600bab18417104e99414657a799605f664a9392f3f35521ce029ff7325a0854c51fdc68a4996b327

Download Submit
memory/1300-137-0x0000000000000000-mapping.dmp

Download
memory/1300-138-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1300-140-0x0000000006180000-0x00000000061E6000-memory.dmp

Filesize
408KB

Download
memory/1300-141-0x0000000006850000-0x00000000068A0000-memory.dmp

Filesize
320KB

Download
memory/2536-135-0x0000000000000000-mapping.dmp

Download
memory/2920-130-0x0000000000E80000-0x0000000000F14000-memory.dmp

Filesize
592KB

Download
memory/2920-131-0x0000000005F70000-0x0000000006514000-memory.dmp

Filesize
5.6MB

Download
memory/2920-132-0x00000000058B0000-0x0000000005942000-memory.dmp

Filesize
584KB

Download
memory/2920-133-0x0000000005960000-0x000000000596A000-memory.dmp

Filesize
40KB

Download
memory/2920-134-0x0000000008590000-0x000000000862C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads