agenttesla | c3a599ab8360b1bd31e3964b54736ff9bf22321ce3676a0b9b7d053b5bda6c7e

General

Target

DHL_Doc003839803.exe
Size

744KB
MD5

ea88f31d6cc55d8f7a9260245988dab6
SHA1

9e725bae655c21772c10f2d64a5831b98f7d93dd
SHA256

33f77b1bca36469dd734af67950223a7b1babd62a25cb5f0848025f2a68b9447
SHA512

5952c4540b1ae5f2db48aaae404e89fb477d233d9b67458dd5cecc2edfed711509d2e968e6af2dbb3bd2099c10a4556f7612fc0055df798e99f9850796a832ad

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.zoho.eu
Port:
587
Username:
admin1@haveusearotech.com
Password:
admin1ABC223@##!con

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.zoho.eu
Port:
587
Username:
admin1@haveusearotech.com
Password:
admin1ABC223@##!con

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/3056-138-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

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_Doc003839803.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	DHL_Doc003839803.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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

DHL_Doc003839803.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_Doc003839803.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_Doc003839803.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_Doc003839803.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

DHL_Doc003839803.exe

description pid process target process

PID 3912 set thread context of 3056 3912 DHL_Doc003839803.exe DHL_Doc003839803.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

4900 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

DHL_Doc003839803.exeDHL_Doc003839803.exe

pid process

3912 DHL_Doc003839803.exe
3056 DHL_Doc003839803.exe
3056 DHL_Doc003839803.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DHL_Doc003839803.exeDHL_Doc003839803.exe

description pid process

Token: SeDebugPrivilege 3912 DHL_Doc003839803.exe
Token: SeDebugPrivilege 3056 DHL_Doc003839803.exe

description	pid	process	target process
PID 3912 set thread context of 3056	3912	DHL_Doc003839803.exe	DHL_Doc003839803.exe

pid	process
4900	schtasks.exe

pid	process
3912	DHL_Doc003839803.exe
3056	DHL_Doc003839803.exe
3056	DHL_Doc003839803.exe

description	pid	process
Token: SeDebugPrivilege	3912	DHL_Doc003839803.exe
Token: SeDebugPrivilege	3056	DHL_Doc003839803.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

DHL_Doc003839803.exeDHL_Doc003839803.exe

description	pid	process	target process
PID 3912 wrote to memory of 4900	3912	DHL_Doc003839803.exe	schtasks.exe
PID 3912 wrote to memory of 4900	3912	DHL_Doc003839803.exe	schtasks.exe
PID 3912 wrote to memory of 4900	3912	DHL_Doc003839803.exe	schtasks.exe
PID 3912 wrote to memory of 3056	3912	DHL_Doc003839803.exe	DHL_Doc003839803.exe
PID 3912 wrote to memory of 3056	3912	DHL_Doc003839803.exe	DHL_Doc003839803.exe
PID 3912 wrote to memory of 3056	3912	DHL_Doc003839803.exe	DHL_Doc003839803.exe
PID 3912 wrote to memory of 3056	3912	DHL_Doc003839803.exe	DHL_Doc003839803.exe
PID 3912 wrote to memory of 3056	3912	DHL_Doc003839803.exe	DHL_Doc003839803.exe
PID 3912 wrote to memory of 3056	3912	DHL_Doc003839803.exe	DHL_Doc003839803.exe
PID 3912 wrote to memory of 3056	3912	DHL_Doc003839803.exe	DHL_Doc003839803.exe
PID 3912 wrote to memory of 3056	3912	DHL_Doc003839803.exe	DHL_Doc003839803.exe
PID 3056 wrote to memory of 2328	3056	DHL_Doc003839803.exe	netsh.exe
PID 3056 wrote to memory of 2328	3056	DHL_Doc003839803.exe	netsh.exe
PID 3056 wrote to memory of 2328	3056	DHL_Doc003839803.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

DHL_Doc003839803.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_Doc003839803.exe

outlook_win_path 1 IoCs

Processes:

DHL_Doc003839803.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_Doc003839803.exe

C:\Users\Admin\AppData\Local\Temp\DHL_Doc003839803.exe
"C:\Users\Admin\AppData\Local\Temp\DHL_Doc003839803.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3912

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wWTxgR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC89F.tmp"
2⤵
- Creates scheduled task(s)
PID:4900

C:\Users\Admin\AppData\Local\Temp\DHL_Doc003839803.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:3056

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:2328

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_v4.0_32\UsageLogs\DHL_Doc003839803.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC89F.tmp
Filesize
1KB

MD5
3883fb931e92982742767f53a6631944

SHA1
74fcc9170c31f9aceda579618fd7ce426d8f4726

SHA256
1c3e4c809e454cffdd3e1ac778ac78074f1b481a6cee529a6cfd91a8ad0624e0

SHA512
7bbcd62295368baf0296b37893bf7813e6efc7fde9209c08aaea539b2eb79ed4fb36cb53a4de7e0c46cfbd5e38d149c806aa20c6e88bef2c0d9bb845d9f69368

Download Submit
memory/2328-142-0x0000000000000000-mapping.dmp

Download
memory/3056-137-0x0000000000000000-mapping.dmp

Download
memory/3056-138-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3056-140-0x0000000005DB0000-0x0000000005E16000-memory.dmp

Filesize
408KB

Download
memory/3056-141-0x00000000069B0000-0x0000000006A00000-memory.dmp

Filesize
320KB

Download
memory/3912-132-0x0000000005380000-0x0000000005412000-memory.dmp

Filesize
584KB

Download
memory/3912-133-0x0000000005310000-0x000000000531A000-memory.dmp

Filesize
40KB

Download
memory/3912-134-0x0000000008CA0000-0x0000000008D3C000-memory.dmp

Filesize
624KB

Download
memory/3912-130-0x00000000008A0000-0x000000000095E000-memory.dmp

Filesize
760KB

Download
memory/3912-131-0x0000000005890000-0x0000000005E34000-memory.dmp

Filesize
5.6MB

Download
memory/4900-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads