agenttesla | 4ec534a56242b9fce084489c530b3c148b5f88e139e98d06b630fe1404c09946

General

Target

PO.30023120.exe
Size

780KB
MD5

ee3e9c5a4defe801b65945bc719712eb
SHA1

05c78d06e003ae66d50470424c4b2f4fc12a588b
SHA256

4ec534a56242b9fce084489c530b3c148b5f88e139e98d06b630fe1404c09946
SHA512

734e97fa19004644b29d57f6d5024d5f16b12a7c56e6930f873e1d6b4a94b7f20fbbf9fc96eaff98baf4bea0943f523fa15b9f37ecd0e4d8b876d868ce0e55e8

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.aldhiyafainteriors.com
Port:
587
Username:
[email protected]
Password:
dhiyafa@987

Signatures

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

AgentTesla Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1828-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1828-64-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1828-66-0x00000000004376CE-mapping.dmp	family_agenttesla
behavioral1/memory/1828-65-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1828-67-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

PO.30023120.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts PO.30023120.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

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	PO.30023120.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

PO.30023120.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.30023120.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.30023120.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.30023120.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PO.30023120.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\DnDcR = "C:\\Users\\Admin\\AppData\\Roaming\\DnDcR\\DnDcR.exe"	PO.30023120.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO.30023120.exe

description pid process target process

PID 1768 set thread context of 1828 1768 PO.30023120.exe PO.30023120.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

816 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

PO.30023120.exePO.30023120.exe

pid process

1768 PO.30023120.exe
1768 PO.30023120.exe
1768 PO.30023120.exe
1828 PO.30023120.exe
1828 PO.30023120.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO.30023120.exePO.30023120.exe

description pid process

Token: SeDebugPrivilege 1768 PO.30023120.exe
Token: SeDebugPrivilege 1828 PO.30023120.exe

description	pid	process	target process
PID 1768 set thread context of 1828	1768	PO.30023120.exe	PO.30023120.exe

pid	process
816	schtasks.exe

pid	process
1768	PO.30023120.exe
1768	PO.30023120.exe
1768	PO.30023120.exe
1828	PO.30023120.exe
1828	PO.30023120.exe

description	pid	process
Token: SeDebugPrivilege	1768	PO.30023120.exe
Token: SeDebugPrivilege	1828	PO.30023120.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

PO.30023120.exe

description	pid	process	target process
PID 1768 wrote to memory of 816	1768	PO.30023120.exe	schtasks.exe
PID 1768 wrote to memory of 816	1768	PO.30023120.exe	schtasks.exe
PID 1768 wrote to memory of 816	1768	PO.30023120.exe	schtasks.exe
PID 1768 wrote to memory of 816	1768	PO.30023120.exe	schtasks.exe
PID 1768 wrote to memory of 1828	1768	PO.30023120.exe	PO.30023120.exe
PID 1768 wrote to memory of 1828	1768	PO.30023120.exe	PO.30023120.exe
PID 1768 wrote to memory of 1828	1768	PO.30023120.exe	PO.30023120.exe
PID 1768 wrote to memory of 1828	1768	PO.30023120.exe	PO.30023120.exe
PID 1768 wrote to memory of 1828	1768	PO.30023120.exe	PO.30023120.exe
PID 1768 wrote to memory of 1828	1768	PO.30023120.exe	PO.30023120.exe
PID 1768 wrote to memory of 1828	1768	PO.30023120.exe	PO.30023120.exe
PID 1768 wrote to memory of 1828	1768	PO.30023120.exe	PO.30023120.exe
PID 1768 wrote to memory of 1828	1768	PO.30023120.exe	PO.30023120.exe

outlook_office_path 1 IoCs

Processes:

PO.30023120.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.30023120.exe

outlook_win_path 1 IoCs

Processes:

PO.30023120.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.30023120.exe

C:\Users\Admin\AppData\Local\Temp\PO.30023120.exe
"C:\Users\Admin\AppData\Local\Temp\PO.30023120.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1768

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iTiEgYlVWkvI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6D82.tmp"
2⤵
- Creates scheduled task(s)
PID:816

C:\Users\Admin\AppData\Local\Temp\PO.30023120.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1828

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

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\Temp\tmp6D82.tmp
MD5
4afa2f7c04ffd06947577d988310aef7

SHA1
bd9b18423c18357229a0b1a70f8cd4e008e86c12

SHA256
bbe66474291571da16132531058d6c47cdfbbf4839724f05b11fb3a6172a155b

SHA512
8d47a2e013fd9fad77b08c58613b78006289173e4ea1264a1fc821008f11f137ccf2004dbd327593f82f7ebe7309f0ef5324f65d819332ff9959542cc6e2183b

Download Submit
memory/816-59-0x0000000000000000-mapping.dmp

Download
memory/1768-53-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1768-55-0x0000000001E30000-0x0000000001E31000-memory.dmp

Filesize
4KB

Download
memory/1768-56-0x0000000000520000-0x000000000052E000-memory.dmp

Filesize
56KB

Download
memory/1768-57-0x0000000004C50000-0x0000000004CC9000-memory.dmp

Filesize
484KB

Download
memory/1768-58-0x0000000005350000-0x0000000005388000-memory.dmp

Filesize
224KB

Download
memory/1828-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1828-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1828-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1828-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1828-66-0x00000000004376CE-mapping.dmp

Download
memory/1828-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1828-67-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1828-69-0x0000000004CC0000-0x0000000004CC1000-memory.dmp

Filesize
4KB

Download
memory/1828-70-0x0000000004CC1000-0x0000000004CC2000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads