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 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1808-64-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1808-65-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1808-66-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1808-67-0x000000000046118E-mapping.dmp	family_agenttesla
behavioral1/memory/1808-69-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1808-71-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla

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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	URGENT_U.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	URGENT_U.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\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 864 set thread context of 1808 864 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

948 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

URGENT_U.exe

pid process

1808 URGENT_U.exe
1808 URGENT_U.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

URGENT_U.exe

description pid process

Token: SeDebugPrivilege 1808 URGENT_U.exe

description	pid	process	target process
PID 864 set thread context of 1808	864	URGENT_U.exe	URGENT_U.exe

pid	process
948	schtasks.exe

pid	process
1808	URGENT_U.exe
1808	URGENT_U.exe

description	pid	process
Token: SeDebugPrivilege	1808	URGENT_U.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

URGENT_U.exe

description	pid	process	target process
PID 864 wrote to memory of 948	864	URGENT_U.exe	schtasks.exe
PID 864 wrote to memory of 948	864	URGENT_U.exe	schtasks.exe
PID 864 wrote to memory of 948	864	URGENT_U.exe	schtasks.exe
PID 864 wrote to memory of 948	864	URGENT_U.exe	schtasks.exe
PID 864 wrote to memory of 1808	864	URGENT_U.exe	URGENT_U.exe
PID 864 wrote to memory of 1808	864	URGENT_U.exe	URGENT_U.exe
PID 864 wrote to memory of 1808	864	URGENT_U.exe	URGENT_U.exe
PID 864 wrote to memory of 1808	864	URGENT_U.exe	URGENT_U.exe
PID 864 wrote to memory of 1808	864	URGENT_U.exe	URGENT_U.exe
PID 864 wrote to memory of 1808	864	URGENT_U.exe	URGENT_U.exe
PID 864 wrote to memory of 1808	864	URGENT_U.exe	URGENT_U.exe
PID 864 wrote to memory of 1808	864	URGENT_U.exe	URGENT_U.exe
PID 864 wrote to memory of 1808	864	URGENT_U.exe	URGENT_U.exe

outlook_office_path 1 IoCs

Processes:

URGENT_U.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\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-1-5-21-1083475884-596052423-1669053738-1000\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⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:864

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KzbjIRV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7437.tmp"
2⤵
- Creates scheduled task(s)
PID:948

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:1808

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

System Information Discovery

1

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\tmp7437.tmp

Filesize
1KB

MD5
a4f1b0353494fb1af22bbc261aa75948

SHA1
da663bde8add698cb814b55fdaf9cb4cf675638d

SHA256
f5024c1039bfe614fd128f09d0b199ed6692f49c1f6f24fa9169ad50ab1f4447

SHA512
1e4ff0f536423919f178e67677407fe46439c0e11b9358f9040eed513d7202ea24fd827ca2ab8d237999dfd6ec2680184b895608792fa2ec7c346f14bd2111fb

Download Submit
memory/864-57-0x0000000004F00000-0x0000000004F96000-memory.dmp

Filesize
600KB

Download
memory/864-56-0x00000000002E0000-0x00000000002E8000-memory.dmp

Filesize
32KB

Download
memory/864-54-0x0000000000340000-0x00000000003F8000-memory.dmp

Filesize
736KB

Download
memory/864-58-0x0000000004E40000-0x0000000004EB6000-memory.dmp

Filesize
472KB

Download
memory/864-55-0x00000000755A1000-0x00000000755A3000-memory.dmp

Filesize
8KB

Download
memory/948-59-0x0000000000000000-mapping.dmp

Download
memory/1808-62-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1808-61-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1808-64-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1808-65-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1808-66-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1808-67-0x000000000046118E-mapping.dmp

Download
memory/1808-69-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1808-71-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads