agenttesla | 3d9ff74d7e54cba0ee08a46cb1e7d7f624398ba949aae2a0e35dd23892bf562d

General

Target

DHL.exe
Size

475KB
MD5

16135ed5d62f8ca7f63ba5a681e9efa7
SHA1

7a963aac589f84f446bef0b1758879065e4d3780
SHA256

c0c639e1f923a3dd8e88f2ee1b6a397db9f62c5688f6e04181f43f8b950e8914
SHA512

d84c7f051d2b696a8b7b83db87c6786375460f4f4463587ba0534f28db54a6cb378a2162c745f45a46caf4a1176028933b642ee628199e119e5e4844fe9c212a

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
mrcvr@tronois.com
Password:
mmm777

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/1176-61-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1176-62-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1176-63-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1176-64-0x000000000044A73E-mapping.dmp	family_agenttesla
behavioral1/memory/1176-66-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1176-68-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

DHL.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts DHL.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	DHL.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

DHL.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

DHL.exe

description pid process target process

PID 764 set thread context of 1176 764 DHL.exe DHL.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

1224 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

DHL.exe

pid process

1176 DHL.exe
1176 DHL.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

DHL.exe

description pid process

Token: SeDebugPrivilege 1176 DHL.exe

description	pid	process	target process
PID 764 set thread context of 1176	764	DHL.exe	DHL.exe

pid	process
1224	schtasks.exe

pid	process
1176	DHL.exe
1176	DHL.exe

description	pid	process
Token: SeDebugPrivilege	1176	DHL.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

DHL.exe

description	pid	process	target process
PID 764 wrote to memory of 1224	764	DHL.exe	schtasks.exe
PID 764 wrote to memory of 1224	764	DHL.exe	schtasks.exe
PID 764 wrote to memory of 1224	764	DHL.exe	schtasks.exe
PID 764 wrote to memory of 1224	764	DHL.exe	schtasks.exe
PID 764 wrote to memory of 1176	764	DHL.exe	DHL.exe
PID 764 wrote to memory of 1176	764	DHL.exe	DHL.exe
PID 764 wrote to memory of 1176	764	DHL.exe	DHL.exe
PID 764 wrote to memory of 1176	764	DHL.exe	DHL.exe
PID 764 wrote to memory of 1176	764	DHL.exe	DHL.exe
PID 764 wrote to memory of 1176	764	DHL.exe	DHL.exe
PID 764 wrote to memory of 1176	764	DHL.exe	DHL.exe
PID 764 wrote to memory of 1176	764	DHL.exe	DHL.exe
PID 764 wrote to memory of 1176	764	DHL.exe	DHL.exe

outlook_office_path 1 IoCs

Processes:

DHL.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL.exe

outlook_win_path 1 IoCs

Processes:

DHL.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL.exe

C:\Users\Admin\AppData\Local\Temp\DHL.exe
"C:\Users\Admin\AppData\Local\Temp\DHL.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:764

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NxwXqvPNXDOJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp72C1.tmp"
2⤵
- Creates scheduled task(s)
PID:1224

C:\Users\Admin\AppData\Local\Temp\DHL.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1176

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

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\tmp72C1.tmp
Filesize
1KB

MD5
63aba7528963245cb7f8ade0078c8af2

SHA1
15fda550827a4a78748dad493d4dfb15170dcf9f

SHA256
893b251efc9935193c6db5d9068de066fd3c986798b39ef32b54523c04f05727

SHA512
e34c88975ee929c4fd72f8bc44f5dc0f1ca67108a4c8d153438d53058c618b4b5afbbe2a81e65ccd380d2e175664d9bb6ad9ee66e2684be6dc261e45f30a12c3

Download Submit
memory/764-55-0x0000000074970000-0x0000000074F1B000-memory.dmp

Filesize
5.7MB

Download
memory/764-54-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

Filesize
8KB

Download
memory/1176-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1176-58-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1176-59-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1176-62-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1176-63-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1176-64-0x000000000044A73E-mapping.dmp

Download
memory/1176-66-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1176-68-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1176-70-0x0000000074970000-0x0000000074F1B000-memory.dmp

Filesize
5.7MB

Download
memory/1224-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads