agenttesla | 591e486f7e4431a0be2cd22abd2c4ad9c97f4eeaf8a387ef816fa32e15b267ce

General

Target

5b0b65b9ad793f8d127a90f7f31e8d39.exe
Size

837KB
MD5

5b0b65b9ad793f8d127a90f7f31e8d39
SHA1

6a7ede3e8f6064ec1a0b0ddaf97887d8d3567fe3
SHA256

591e486f7e4431a0be2cd22abd2c4ad9c97f4eeaf8a387ef816fa32e15b267ce
SHA512

ec31b35402802af0ec85035071ddd66921d02a98d7b385cc3e8a727c1b6a1d4aa948d02cb6accb54ef346b166b5ee7fea855ef35f8017d449d89c96939f7e4df
SSDEEP

12288:Fc3fYBSWcVlcLOaYKzqCig4fVTMHPKX3QPKvjma/gKZ/nXt7virmWhlGLaQYI:egBiqOaZzxigO5MCQPKr

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://discord.com/api/webhooks/1048308947817353288/5ypgS4XmSt1xW_MYhzjePp8jxnOIkdnEO0OTccrP0m7sB3ynEyezAUtrX-js6a4kTsJ8

Signatures

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

5b0b65b9ad793f8d127a90f7f31e8d39.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5b0b65b9ad793f8d127a90f7f31e8d39.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5b0b65b9ad793f8d127a90f7f31e8d39.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5b0b65b9ad793f8d127a90f7f31e8d39.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

58 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

5b0b65b9ad793f8d127a90f7f31e8d39.exe

description pid process target process

PID 4384 set thread context of 3224 4384 5b0b65b9ad793f8d127a90f7f31e8d39.exe 5b0b65b9ad793f8d127a90f7f31e8d39.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

5b0b65b9ad793f8d127a90f7f31e8d39.exe

pid process

3224 5b0b65b9ad793f8d127a90f7f31e8d39.exe
3224 5b0b65b9ad793f8d127a90f7f31e8d39.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

5b0b65b9ad793f8d127a90f7f31e8d39.exe

description pid process

Token: SeDebugPrivilege 3224 5b0b65b9ad793f8d127a90f7f31e8d39.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

5b0b65b9ad793f8d127a90f7f31e8d39.exe

pid process

3224 5b0b65b9ad793f8d127a90f7f31e8d39.exe

flow	ioc
58	api.ipify.org

description	pid	process	target process
PID 4384 set thread context of 3224	4384	5b0b65b9ad793f8d127a90f7f31e8d39.exe	5b0b65b9ad793f8d127a90f7f31e8d39.exe

pid	process
3224	5b0b65b9ad793f8d127a90f7f31e8d39.exe
3224	5b0b65b9ad793f8d127a90f7f31e8d39.exe

description	pid	process
Token: SeDebugPrivilege	3224	5b0b65b9ad793f8d127a90f7f31e8d39.exe

pid	process
3224	5b0b65b9ad793f8d127a90f7f31e8d39.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

5b0b65b9ad793f8d127a90f7f31e8d39.exe

description	pid	process	target process
PID 4384 wrote to memory of 3224	4384	5b0b65b9ad793f8d127a90f7f31e8d39.exe	5b0b65b9ad793f8d127a90f7f31e8d39.exe
PID 4384 wrote to memory of 3224	4384	5b0b65b9ad793f8d127a90f7f31e8d39.exe	5b0b65b9ad793f8d127a90f7f31e8d39.exe
PID 4384 wrote to memory of 3224	4384	5b0b65b9ad793f8d127a90f7f31e8d39.exe	5b0b65b9ad793f8d127a90f7f31e8d39.exe
PID 4384 wrote to memory of 3224	4384	5b0b65b9ad793f8d127a90f7f31e8d39.exe	5b0b65b9ad793f8d127a90f7f31e8d39.exe
PID 4384 wrote to memory of 3224	4384	5b0b65b9ad793f8d127a90f7f31e8d39.exe	5b0b65b9ad793f8d127a90f7f31e8d39.exe
PID 4384 wrote to memory of 3224	4384	5b0b65b9ad793f8d127a90f7f31e8d39.exe	5b0b65b9ad793f8d127a90f7f31e8d39.exe
PID 4384 wrote to memory of 3224	4384	5b0b65b9ad793f8d127a90f7f31e8d39.exe	5b0b65b9ad793f8d127a90f7f31e8d39.exe
PID 4384 wrote to memory of 3224	4384	5b0b65b9ad793f8d127a90f7f31e8d39.exe	5b0b65b9ad793f8d127a90f7f31e8d39.exe

outlook_office_path 1 IoCs

Processes:

5b0b65b9ad793f8d127a90f7f31e8d39.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5b0b65b9ad793f8d127a90f7f31e8d39.exe

outlook_win_path 1 IoCs

Processes:

5b0b65b9ad793f8d127a90f7f31e8d39.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5b0b65b9ad793f8d127a90f7f31e8d39.exe

C:\Users\Admin\AppData\Local\Temp\5b0b65b9ad793f8d127a90f7f31e8d39.exe
"C:\Users\Admin\AppData\Local\Temp\5b0b65b9ad793f8d127a90f7f31e8d39.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4384

C:\Users\Admin\AppData\Local\Temp\5b0b65b9ad793f8d127a90f7f31e8d39.exe
"C:\Users\Admin\AppData\Local\Temp\5b0b65b9ad793f8d127a90f7f31e8d39.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:3224

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Web Service

1

T1102

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5b0b65b9ad793f8d127a90f7f31e8d39.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/3224-137-0x0000000000000000-mapping.dmp

Download
memory/3224-138-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3224-140-0x0000000006220000-0x0000000006286000-memory.dmp

Filesize
408KB

Download
memory/3224-141-0x0000000007320000-0x0000000007370000-memory.dmp

Filesize
320KB

Download
memory/4384-132-0x00000000001B0000-0x0000000000288000-memory.dmp

Filesize
864KB

Download
memory/4384-133-0x0000000005110000-0x00000000056B4000-memory.dmp

Filesize
5.6MB

Download
memory/4384-134-0x0000000004C20000-0x0000000004CB2000-memory.dmp

Filesize
584KB

Download
memory/4384-135-0x0000000004CE0000-0x0000000004CEA000-memory.dmp

Filesize
40KB

Download
memory/4384-136-0x0000000007600000-0x000000000769C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads