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

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
mmm777

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
mmm777

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/396-134-0x0000000000400000-0x0000000000450000-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
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:

DHL.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation 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

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	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-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

DHL.exe

description pid process target process

PID 4704 set thread context of 396 4704 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

480 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

DHL.exe

pid process

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

Processes:

DHL.exe

description pid process

Token: SeDebugPrivilege 396 DHL.exe

description	pid	process	target process
PID 4704 set thread context of 396	4704	DHL.exe	DHL.exe

pid	process
480	schtasks.exe

pid	process
396	DHL.exe
396	DHL.exe

description	pid	process
Token: SeDebugPrivilege	396	DHL.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

DHL.exe

description	pid	process	target process
PID 4704 wrote to memory of 480	4704	DHL.exe	schtasks.exe
PID 4704 wrote to memory of 480	4704	DHL.exe	schtasks.exe
PID 4704 wrote to memory of 480	4704	DHL.exe	schtasks.exe
PID 4704 wrote to memory of 396	4704	DHL.exe	DHL.exe
PID 4704 wrote to memory of 396	4704	DHL.exe	DHL.exe
PID 4704 wrote to memory of 396	4704	DHL.exe	DHL.exe
PID 4704 wrote to memory of 396	4704	DHL.exe	DHL.exe
PID 4704 wrote to memory of 396	4704	DHL.exe	DHL.exe
PID 4704 wrote to memory of 396	4704	DHL.exe	DHL.exe
PID 4704 wrote to memory of 396	4704	DHL.exe	DHL.exe
PID 4704 wrote to memory of 396	4704	DHL.exe	DHL.exe

outlook_office_path 1 IoCs

Processes:

DHL.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\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-1-5-21-1081944012-3634099177-1681222835-1000\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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4704

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NxwXqvPNXDOJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp45E2.tmp"
2⤵
- Creates scheduled task(s)
PID:480

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:396

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_v2.0_32\UsageLogs\DHL.exe.log
Filesize
667B

MD5
fad44290d2f569240416a287677a6b34

SHA1
0799266664e37852987cc24398f9a70c7e56742b

SHA256
e955c99499359471526e95c22a084d1578997c39ecab988badf6798cfbd995b0

SHA512
ee4136ac147d41646368eeb16390598c1da2b9e3bb8331b43062a72e4ad1d05eec56dcc727f9b5b447756c3edc855b08ef0c241073a5f88e749714f2beb98bc3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp45E2.tmp
Filesize
1KB

MD5
622f836768602da1ddd8e3cbce612d2e

SHA1
00c05cf286acfbe965d4ecd278a2dfbbcd417e04

SHA256
f97b800cba2cbfead758fedd7e21bdadcdd3eafb46d3f13788103a93764b4902

SHA512
d6e1178359c2aed357b5f5a51c7748c6e740f8fdb13790f43b8433dba73f8d879d7ca628789f8468d1e4f931985a3c5670eda4e27ec356e7c5bed272d9f77baa

Download Submit
memory/396-133-0x0000000000000000-mapping.dmp

Download
memory/396-134-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/396-136-0x00000000748C0000-0x0000000074E71000-memory.dmp

Filesize
5.7MB

Download
memory/480-131-0x0000000000000000-mapping.dmp

Download
memory/4704-130-0x00000000748C0000-0x0000000074E71000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads