agenttesla | e28188df2ced3fb282c0ad2f7fb0104df0d090aa9ca0435840af48f9c279f5d5

General

Target

QUOTATION.exe
Size

646KB
MD5

50d792a1ee7059bfaf34afd54b32cba8
SHA1

a4b32d17b36b20155545927450a43eb2d117a306
SHA256

1b85fb5069a28ee305b4371bda09a96674ec37d9ebc52aecdb6c6245419f067f
SHA512

85b75b15bdc59e7b12cae69c0d3245ef7b7d45cbb0a1a5e09232c03844400883dfe01a81a4d69752dcd43c7568f96e747959a28adb08e10c72aefa06e623afea
SSDEEP

12288:AKPFSP0zGiyywVbU+zi93cZ/6QlJ9hS2H:AiFSsGUwVbuFcZ/6d+

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.southernboilers.org
Port:
587
Username:
info@southernboilers.org
Password:
Sksmoke2018#
Email To:
obtxxxtf@gmail.com

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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:

QUOTATION.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	QUOTATION.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:

QUOTATION.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QUOTATION.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QUOTATION.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QUOTATION.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

55 api.ipify.org
56 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

QUOTATION.exe

description pid process target process

PID 3744 set thread context of 4264 3744 QUOTATION.exe QUOTATION.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

2204 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

QUOTATION.exe

pid process

3744 QUOTATION.exe
3744 QUOTATION.exe
3744 QUOTATION.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

QUOTATION.exeQUOTATION.exe

description pid process

Token: SeDebugPrivilege 3744 QUOTATION.exe
Token: SeDebugPrivilege 4264 QUOTATION.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

QUOTATION.exe

pid process

4264 QUOTATION.exe

flow	ioc
55	api.ipify.org
56	api.ipify.org

description	pid	process	target process
PID 3744 set thread context of 4264	3744	QUOTATION.exe	QUOTATION.exe

pid	process
2204	schtasks.exe

pid	process
3744	QUOTATION.exe
3744	QUOTATION.exe
3744	QUOTATION.exe

description	pid	process
Token: SeDebugPrivilege	3744	QUOTATION.exe
Token: SeDebugPrivilege	4264	QUOTATION.exe

pid	process
4264	QUOTATION.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

QUOTATION.exe

description	pid	process	target process
PID 3744 wrote to memory of 2204	3744	QUOTATION.exe	schtasks.exe
PID 3744 wrote to memory of 2204	3744	QUOTATION.exe	schtasks.exe
PID 3744 wrote to memory of 2204	3744	QUOTATION.exe	schtasks.exe
PID 3744 wrote to memory of 5016	3744	QUOTATION.exe	QUOTATION.exe
PID 3744 wrote to memory of 5016	3744	QUOTATION.exe	QUOTATION.exe
PID 3744 wrote to memory of 5016	3744	QUOTATION.exe	QUOTATION.exe
PID 3744 wrote to memory of 4264	3744	QUOTATION.exe	QUOTATION.exe
PID 3744 wrote to memory of 4264	3744	QUOTATION.exe	QUOTATION.exe
PID 3744 wrote to memory of 4264	3744	QUOTATION.exe	QUOTATION.exe
PID 3744 wrote to memory of 4264	3744	QUOTATION.exe	QUOTATION.exe
PID 3744 wrote to memory of 4264	3744	QUOTATION.exe	QUOTATION.exe
PID 3744 wrote to memory of 4264	3744	QUOTATION.exe	QUOTATION.exe
PID 3744 wrote to memory of 4264	3744	QUOTATION.exe	QUOTATION.exe
PID 3744 wrote to memory of 4264	3744	QUOTATION.exe	QUOTATION.exe

outlook_office_path 1 IoCs

Processes:

QUOTATION.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QUOTATION.exe

outlook_win_path 1 IoCs

Processes:

QUOTATION.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QUOTATION.exe

C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3744

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LSXFKDllBbHhG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF7A3.tmp"
2⤵
- Creates scheduled task(s)
PID:2204

C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe
"{path}"
2⤵
PID:5016

C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:4264

Network

MITRE ATT&CK Matrix ATT&CK 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

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\QUOTATION.exe.log
Filesize
1KB

MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF7A3.tmp
Filesize
1KB

MD5
7b23a78d44a96961ae3fe90a20663111

SHA1
24409a8804aba4eae695be07a03be5068f5482fb

SHA256
371070167352e06ecb826d9cf27ea6c909eafc3a0830870ad3c069ab283805e7

SHA512
701b226669dd52927c3be80d137be709d216eeb0a7532bccf4d66a9dab8059a04082060f7d32caf8872f712a5b7f5de3990992fadb264225b4c324e62c19f8f9

Download Submit
memory/3744-136-0x00000000052A0000-0x000000000533C000-memory.dmp

Filesize
624KB

Download
memory/3744-133-0x00000000006F0000-0x0000000000796000-memory.dmp

Filesize
664KB

Download
memory/3744-137-0x0000000005200000-0x000000000520A000-memory.dmp

Filesize
40KB

Download
memory/3744-138-0x00000000054D0000-0x00000000054E0000-memory.dmp

Filesize
64KB

Download
memory/3744-139-0x00000000054D0000-0x00000000054E0000-memory.dmp

Filesize
64KB

Download
memory/3744-135-0x0000000005160000-0x00000000051F2000-memory.dmp

Filesize
584KB

Download
memory/3744-134-0x0000000005670000-0x0000000005C14000-memory.dmp

Filesize
5.6MB

Download
memory/4264-143-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4264-146-0x0000000005900000-0x0000000005966000-memory.dmp

Filesize
408KB

Download
memory/4264-147-0x00000000058F0000-0x0000000005900000-memory.dmp

Filesize
64KB

Download
memory/4264-148-0x0000000007420000-0x0000000007470000-memory.dmp

Filesize
320KB

Download
memory/4264-149-0x00000000076F0000-0x00000000078B2000-memory.dmp

Filesize
1.8MB

Download
memory/4264-150-0x00000000058F0000-0x0000000005900000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads