agenttesla | e78aa85922018b413509d75dccf85092e59d53e21550fdc00471727fe952f5e1

General

Target

URGENT_U.exe
Size

710KB
MD5

8f7007d7daf444bce9a09accaccd4cab
SHA1

c6e39ed4dffd8d5bb7136cf1e18ef869526bd5ab
SHA256

190974a9cf7515b2e7ffa21e82aad74c5745a5598c5fb54d0ea0ad70396b66cf
SHA512

e7b7309e1cd04f50bd3746e6ad31f9df44e93b6fd63cdfcd7acaba0d436c4770e1fc863168a07f78e006eefae36565cec3a4d8f2b97fcfdb3dc9e8bff6604278

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.seldon-petroleum.com
Port:
587
Username:
[email protected]
Password:
qw*b{sK0+S2m

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/2276-139-0x0000000000400000-0x0000000000466000-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:

URGENT_U.exe

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

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

URGENT_U.exe

description pid process target process

PID 1336 set thread context of 2276 1336 URGENT_U.exe URGENT_U.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

4336 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

URGENT_U.exe

pid process

2276 URGENT_U.exe
2276 URGENT_U.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

URGENT_U.exe

description pid process

Token: SeDebugPrivilege 2276 URGENT_U.exe

description	pid	process	target process
PID 1336 set thread context of 2276	1336	URGENT_U.exe	URGENT_U.exe

pid	process
4336	schtasks.exe

pid	process
2276	URGENT_U.exe
2276	URGENT_U.exe

description	pid	process
Token: SeDebugPrivilege	2276	URGENT_U.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

URGENT_U.exe

description	pid	process	target process
PID 1336 wrote to memory of 4336	1336	URGENT_U.exe	schtasks.exe
PID 1336 wrote to memory of 4336	1336	URGENT_U.exe	schtasks.exe
PID 1336 wrote to memory of 4336	1336	URGENT_U.exe	schtasks.exe
PID 1336 wrote to memory of 2276	1336	URGENT_U.exe	URGENT_U.exe
PID 1336 wrote to memory of 2276	1336	URGENT_U.exe	URGENT_U.exe
PID 1336 wrote to memory of 2276	1336	URGENT_U.exe	URGENT_U.exe
PID 1336 wrote to memory of 2276	1336	URGENT_U.exe	URGENT_U.exe
PID 1336 wrote to memory of 2276	1336	URGENT_U.exe	URGENT_U.exe
PID 1336 wrote to memory of 2276	1336	URGENT_U.exe	URGENT_U.exe
PID 1336 wrote to memory of 2276	1336	URGENT_U.exe	URGENT_U.exe
PID 1336 wrote to memory of 2276	1336	URGENT_U.exe	URGENT_U.exe

outlook_office_path 1 IoCs

Processes:

URGENT_U.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	URGENT_U.exe

outlook_win_path 1 IoCs

Processes:

URGENT_U.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	URGENT_U.exe

C:\Users\Admin\AppData\Local\Temp\URGENT_U.exe
"C:\Users\Admin\AppData\Local\Temp\URGENT_U.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1336

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KzbjIRV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA151.tmp"
2⤵
- Creates scheduled task(s)
PID:4336

C:\Users\Admin\AppData\Local\Temp\URGENT_U.exe
"C:\Users\Admin\AppData\Local\Temp\URGENT_U.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2276

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\URGENT_U.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA151.tmp

Filesize
1KB

MD5
dd3d3a8d8cd5a260b419c54c6790a687

SHA1
f4fee22c064c3012f39186ebffa67f4c36221c61

SHA256
9c9712db276edf6f2fb421deeadd35b41a80018272de22e1a22d7fdea90345fc

SHA512
9749bef5fd8f7cd9a7256bcfc03f30c37a6333c094325a6d0c21e1a4197d8c7472910fde6397072ce4efe6c949ece0a6a2c59155be3e2d717e67ca9f270e2344

Download Submit
memory/1336-130-0x0000000000C60000-0x0000000000D18000-memory.dmp

Filesize
736KB

Download
memory/1336-131-0x00000000056C0000-0x000000000575C000-memory.dmp

Filesize
624KB

Download
memory/1336-132-0x0000000005D10000-0x00000000062B4000-memory.dmp

Filesize
5.6MB

Download
memory/1336-133-0x0000000005800000-0x0000000005892000-memory.dmp

Filesize
584KB

Download
memory/1336-134-0x0000000005770000-0x000000000577A000-memory.dmp

Filesize
40KB

Download
memory/1336-135-0x00000000059F0000-0x0000000005A46000-memory.dmp

Filesize
344KB

Download
memory/2276-139-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2276-138-0x0000000000000000-mapping.dmp

Download
memory/2276-141-0x00000000064F0000-0x0000000006556000-memory.dmp

Filesize
408KB

Download
memory/2276-142-0x00000000069A0000-0x00000000069F0000-memory.dmp

Filesize
320KB

Download
memory/4336-136-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads