agenttesla | ade494362402a793b745a3a7857ff5c779dfef4e931e8e05078f6b8a97c71284

General

Target

QJIAYB93BC939XO.exe
Size

710KB
MD5

391d98e696ef46d06a60903a91cae10e
SHA1

de4a73636eae9f3f9b1c0a3a380d5c8a432e7a3d
SHA256

f6a1e6d11e0366c52fea294e6010a96df682e42df3a9d4fc417ae755366e91e2
SHA512

154eea185216314e7c07c27f972628271a6de5d6a44935cd81d17c81bf8fff9a36eee7ae9eebbb4abb730a8e53b80b1b0e4d03cb349ade64ed360626dc372142

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.amazinghotel.com.vn
Port:
587
Username:
[email protected]
Password:
Amz@2020

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/4020-135-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

Processes:

AddInProcess32.exe

pid process

4020 AddInProcess32.exe
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

pid	process
4020	AddInProcess32.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

AddInProcess32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

QJIAYB93BC939XO.exe

description pid process target process

PID 3872 set thread context of 4020 3872 QJIAYB93BC939XO.exe AddInProcess32.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

QJIAYB93BC939XO.exeAddInProcess32.exe

pid process

3872 QJIAYB93BC939XO.exe
3872 QJIAYB93BC939XO.exe
3872 QJIAYB93BC939XO.exe
4020 AddInProcess32.exe
4020 AddInProcess32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

QJIAYB93BC939XO.exeAddInProcess32.exe

description pid process

Token: SeDebugPrivilege 3872 QJIAYB93BC939XO.exe
Token: SeDebugPrivilege 4020 AddInProcess32.exe

description	pid	process	target process
PID 3872 set thread context of 4020	3872	QJIAYB93BC939XO.exe	AddInProcess32.exe

pid	process
3872	QJIAYB93BC939XO.exe
3872	QJIAYB93BC939XO.exe
3872	QJIAYB93BC939XO.exe
4020	AddInProcess32.exe
4020	AddInProcess32.exe

description	pid	process
Token: SeDebugPrivilege	3872	QJIAYB93BC939XO.exe
Token: SeDebugPrivilege	4020	AddInProcess32.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

QJIAYB93BC939XO.exe

description	pid	process	target process
PID 3872 wrote to memory of 4020	3872	QJIAYB93BC939XO.exe	AddInProcess32.exe
PID 3872 wrote to memory of 4020	3872	QJIAYB93BC939XO.exe	AddInProcess32.exe
PID 3872 wrote to memory of 4020	3872	QJIAYB93BC939XO.exe	AddInProcess32.exe
PID 3872 wrote to memory of 4020	3872	QJIAYB93BC939XO.exe	AddInProcess32.exe
PID 3872 wrote to memory of 4020	3872	QJIAYB93BC939XO.exe	AddInProcess32.exe
PID 3872 wrote to memory of 4020	3872	QJIAYB93BC939XO.exe	AddInProcess32.exe
PID 3872 wrote to memory of 4020	3872	QJIAYB93BC939XO.exe	AddInProcess32.exe
PID 3872 wrote to memory of 4020	3872	QJIAYB93BC939XO.exe	AddInProcess32.exe

outlook_office_path 1 IoCs

Processes:

AddInProcess32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

outlook_win_path 1 IoCs

Processes:

AddInProcess32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

C:\Users\Admin\AppData\Local\Temp\QJIAYB93BC939XO.exe
"C:\Users\Admin\AppData\Local\Temp\QJIAYB93BC939XO.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3872

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4020

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe

Filesize
42KB

MD5
9827ff3cdf4b83f9c86354606736ca9c

SHA1
e73d73f42bb2a310f03eb1bcbb22be2b8eb7c723

SHA256
c1cf3dc8fa1c7fc00f88e07ad539979b3706ca8d69223cffd1d58bc8f521f63a

SHA512
8261828d55f3b5134c0aeb98311c04e20c5395d4347251746f3be0fb854f36cc7e118713cd00c9867537e6e47d5e71f2b2384fc00c67f0ae1b285b8310321579

Download Submit
C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe

Filesize
42KB

MD5
9827ff3cdf4b83f9c86354606736ca9c

SHA1
e73d73f42bb2a310f03eb1bcbb22be2b8eb7c723

SHA256
c1cf3dc8fa1c7fc00f88e07ad539979b3706ca8d69223cffd1d58bc8f521f63a

SHA512
8261828d55f3b5134c0aeb98311c04e20c5395d4347251746f3be0fb854f36cc7e118713cd00c9867537e6e47d5e71f2b2384fc00c67f0ae1b285b8310321579

Download Submit
memory/3872-130-0x0000000000270000-0x0000000000328000-memory.dmp

Filesize
736KB

Download
memory/3872-131-0x00000000059C0000-0x0000000005F64000-memory.dmp

Filesize
5.6MB

Download
memory/3872-132-0x00000000054F0000-0x0000000005582000-memory.dmp

Filesize
584KB

Download
memory/3872-133-0x0000000005960000-0x00000000059A4000-memory.dmp

Filesize
272KB

Download
memory/4020-134-0x0000000000000000-mapping.dmp

Download
memory/4020-135-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4020-138-0x00000000053C0000-0x000000000545C000-memory.dmp

Filesize
624KB

Download
memory/4020-139-0x0000000005FF0000-0x0000000006056000-memory.dmp

Filesize
408KB

Download
memory/4020-140-0x0000000006560000-0x00000000065B0000-memory.dmp

Filesize
320KB

Download
memory/4020-141-0x0000000006540000-0x000000000654A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads