agenttesla | e07ed44650299b049af6ac30d65a87a46fd12ebfb2f955124d84af0ebf7844f5

General

Target

DHL AWB SHIPMENT DOCS.exe
Size

1.0MB
MD5

ae68aad90d2c563d7224615d4f8e6532
SHA1

3bafaff78a3654ec5fb1eb6e7c73a167ec619ba1
SHA256

ba4a2766012fbcfc2ed208ae30f8deaa5710aee9c72db381ed9047faeb052782
SHA512

3a3851e938b6d2ac8bfb291fcd9c9e28f0514c088400e6b8cf1d78021c0d64933bfb7a45b9771ba7d51e69d39d60f7b795ab072a3dceb56d4058bed741251210
SSDEEP

24576:NO4Kkygdqb66CvqcAPKOWOUcSsunDyK0:NO4Kky5u1NOxJSsuDyK

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.udupis.com
Port:
587
Username:
sales@udupis.com
Password:
skills150

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/1716-139-0x0000000000400000-0x000000000043C000-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:

DHL AWB SHIPMENT DOCS.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL AWB SHIPMENT DOCS.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL AWB SHIPMENT DOCS.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL AWB SHIPMENT DOCS.exe

Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{D1051BF8-7D1F-4BFA-A639-6FA4CCED4A25}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{10D23D55-25A1-42A5-AEDB-5D4696D02DDD}.catalogItem	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

DHL AWB SHIPMENT DOCS.exe

description pid process target process

PID 2228 set thread context of 1716 2228 DHL AWB SHIPMENT DOCS.exe DHL AWB SHIPMENT DOCS.exe

description	pid	process	target process
PID 2228 set thread context of 1716	2228	DHL AWB SHIPMENT DOCS.exe	DHL AWB SHIPMENT DOCS.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

DHL AWB SHIPMENT DOCS.exe

pid process

1716 DHL AWB SHIPMENT DOCS.exe
1716 DHL AWB SHIPMENT DOCS.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

DHL AWB SHIPMENT DOCS.exe

description pid process

Token: SeDebugPrivilege 1716 DHL AWB SHIPMENT DOCS.exe

pid	process
1716	DHL AWB SHIPMENT DOCS.exe
1716	DHL AWB SHIPMENT DOCS.exe

description	pid	process
Token: SeDebugPrivilege	1716	DHL AWB SHIPMENT DOCS.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

DHL AWB SHIPMENT DOCS.exe

description	pid	process	target process
PID 2228 wrote to memory of 1716	2228	DHL AWB SHIPMENT DOCS.exe	DHL AWB SHIPMENT DOCS.exe
PID 2228 wrote to memory of 1716	2228	DHL AWB SHIPMENT DOCS.exe	DHL AWB SHIPMENT DOCS.exe
PID 2228 wrote to memory of 1716	2228	DHL AWB SHIPMENT DOCS.exe	DHL AWB SHIPMENT DOCS.exe
PID 2228 wrote to memory of 1716	2228	DHL AWB SHIPMENT DOCS.exe	DHL AWB SHIPMENT DOCS.exe
PID 2228 wrote to memory of 1716	2228	DHL AWB SHIPMENT DOCS.exe	DHL AWB SHIPMENT DOCS.exe
PID 2228 wrote to memory of 1716	2228	DHL AWB SHIPMENT DOCS.exe	DHL AWB SHIPMENT DOCS.exe
PID 2228 wrote to memory of 1716	2228	DHL AWB SHIPMENT DOCS.exe	DHL AWB SHIPMENT DOCS.exe
PID 2228 wrote to memory of 1716	2228	DHL AWB SHIPMENT DOCS.exe	DHL AWB SHIPMENT DOCS.exe

outlook_office_path 1 IoCs

Processes:

DHL AWB SHIPMENT DOCS.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL AWB SHIPMENT DOCS.exe

outlook_win_path 1 IoCs

Processes:

DHL AWB SHIPMENT DOCS.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL AWB SHIPMENT DOCS.exe

C:\Users\Admin\AppData\Local\Temp\DHL AWB SHIPMENT DOCS.exe
"C:\Users\Admin\AppData\Local\Temp\DHL AWB SHIPMENT DOCS.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2228

C:\Users\Admin\AppData\Local\Temp\DHL AWB SHIPMENT DOCS.exe
"C:\Users\Admin\AppData\Local\Temp\DHL AWB SHIPMENT DOCS.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1716

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:968

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

2

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

memory/1716-138-0x0000000000000000-mapping.dmp

Download
memory/1716-139-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1716-140-0x00000000069D0000-0x0000000006A20000-memory.dmp

Filesize
320KB

Download
memory/2228-132-0x00000000009B0000-0x0000000000AC0000-memory.dmp

Filesize
1.1MB

Download
memory/2228-133-0x0000000005B50000-0x00000000060F4000-memory.dmp

Filesize
5.6MB

Download
memory/2228-134-0x00000000054B0000-0x0000000005542000-memory.dmp

Filesize
584KB

Download
memory/2228-135-0x0000000005450000-0x000000000545A000-memory.dmp

Filesize
40KB

Download
memory/2228-136-0x0000000007C90000-0x0000000007D2C000-memory.dmp

Filesize
624KB

Download
memory/2228-137-0x0000000007DA0000-0x0000000007E06000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads