agenttesla | f0cc1f9ae35526e82f7e450365cc6bdf1e8c11d1d75540b228932d527428be1d

General

Target

TRANSFER.scr
Size

708KB
MD5

fc6d14669988bc5bad68feacabe0c48e
SHA1

33ca62fd01994e697dd2aa639c630fc13e04fc8b
SHA256

fce01fb0c77c4ef7fe37e5bb920e7098a11f4569a8cd3b3056de57ead5667881
SHA512

c719555bf75928681b1f39c17c730473eaa6ead1c302876e0e15ae9f201a98f79e5d5e0ea7adb38d23e061a3496bc000ee5a9c007f51c3b7c13865c0cc74b749

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.northwestpowdercoating.co.uk
Port:
587
Username:
[email protected]
Password:
C^0z.^LxykTW

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/948-64-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/948-65-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/948-66-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/948-67-0x00000000004549AE-mapping.dmp	family_agenttesla
behavioral1/memory/948-69-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/948-71-0x0000000000400000-0x000000000045A000-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:

TRANSFER.scr

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TRANSFER.scr
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TRANSFER.scr
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TRANSFER.scr

Suspicious use of SetThreadContext 1 IoCs

Processes:

TRANSFER.scr

description pid process target process

PID 1784 set thread context of 948 1784 TRANSFER.scr TRANSFER.scr
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

1480 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

TRANSFER.scrTRANSFER.scr

pid process

1784 TRANSFER.scr
1784 TRANSFER.scr
948 TRANSFER.scr
948 TRANSFER.scr
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

TRANSFER.scrTRANSFER.scr

description pid process

Token: SeDebugPrivilege 1784 TRANSFER.scr
Token: SeDebugPrivilege 948 TRANSFER.scr
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

TRANSFER.scr

pid process

948 TRANSFER.scr

description	pid	process	target process
PID 1784 set thread context of 948	1784	TRANSFER.scr	TRANSFER.scr

pid	process
1480	schtasks.exe

pid	process
1784	TRANSFER.scr
1784	TRANSFER.scr
948	TRANSFER.scr
948	TRANSFER.scr

description	pid	process
Token: SeDebugPrivilege	1784	TRANSFER.scr
Token: SeDebugPrivilege	948	TRANSFER.scr

pid	process
948	TRANSFER.scr

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

TRANSFER.scr

description	pid	process	target process
PID 1784 wrote to memory of 1480	1784	TRANSFER.scr	schtasks.exe
PID 1784 wrote to memory of 1480	1784	TRANSFER.scr	schtasks.exe
PID 1784 wrote to memory of 1480	1784	TRANSFER.scr	schtasks.exe
PID 1784 wrote to memory of 1480	1784	TRANSFER.scr	schtasks.exe
PID 1784 wrote to memory of 948	1784	TRANSFER.scr	TRANSFER.scr
PID 1784 wrote to memory of 948	1784	TRANSFER.scr	TRANSFER.scr
PID 1784 wrote to memory of 948	1784	TRANSFER.scr	TRANSFER.scr
PID 1784 wrote to memory of 948	1784	TRANSFER.scr	TRANSFER.scr
PID 1784 wrote to memory of 948	1784	TRANSFER.scr	TRANSFER.scr
PID 1784 wrote to memory of 948	1784	TRANSFER.scr	TRANSFER.scr
PID 1784 wrote to memory of 948	1784	TRANSFER.scr	TRANSFER.scr
PID 1784 wrote to memory of 948	1784	TRANSFER.scr	TRANSFER.scr
PID 1784 wrote to memory of 948	1784	TRANSFER.scr	TRANSFER.scr

outlook_office_path 1 IoCs

Processes:

TRANSFER.scr

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TRANSFER.scr

outlook_win_path 1 IoCs

Processes:

TRANSFER.scr

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TRANSFER.scr

C:\Users\Admin\AppData\Local\Temp\TRANSFER.scr
"C:\Users\Admin\AppData\Local\Temp\TRANSFER.scr" /S
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1784

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UlXwleYA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2A8B.tmp"
2⤵
- Creates scheduled task(s)
PID:1480

C:\Users\Admin\AppData\Local\Temp\TRANSFER.scr
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:948

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\tmp2A8B.tmp
Filesize
1KB

MD5
cf477581170b952d5e37ee41f95f3800

SHA1
4ab53ab01425a64787a38d07086002ab5bf5afd2

SHA256
dc3f7182df6ae4f8d927909f7da276af3181e31c7b32c2c06d294a6c659f426a

SHA512
b015ca7919f1db47a62a671ef42d1a693b9290b2b8260bb32e06fc4587468a7509beb279e641078c4b64049e9d9e22819dbc25a5f7be474919e51bb0d4e61aaa

Download Submit
memory/948-64-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/948-66-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/948-71-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/948-69-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/948-67-0x00000000004549AE-mapping.dmp

Download
memory/948-65-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/948-61-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/948-62-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1480-59-0x0000000000000000-mapping.dmp

Download
memory/1784-54-0x0000000000270000-0x0000000000326000-memory.dmp

Filesize
728KB

Download
memory/1784-55-0x0000000074C81000-0x0000000074C83000-memory.dmp

Filesize
8KB

Download
memory/1784-56-0x0000000000250000-0x0000000000260000-memory.dmp

Filesize
64KB

Download
memory/1784-58-0x0000000004DD0000-0x0000000004E28000-memory.dmp

Filesize
352KB

Download
memory/1784-57-0x00000000057D0000-0x0000000005842000-memory.dmp

Filesize
456KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads