agenttesla | d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000

General

Target

d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe
Size

1.0MB
MD5

3b341ba501e0a4bda185f3aa11bb6198
SHA1

794bd88c3a6a207afed7822392a0f165e9e5ef55
SHA256

d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000
SHA512

e05ba1db2bc82901798557d737e1bcd195c57b367c33dc68cd1ec47d21ddcdeccfdde55e697b1bbd7fbf268ff177955c312a0cf0b838f77c62a00c4088205433
SSDEEP

24576:qffpFFTnz1m2d/AMCU//i4djDBeO5flWDrtnVveP6ehq:OnzjAMC+ReqflWtV2Phhq

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
server323.web-hosting.com
Port:
587
Username:
[email protected]
Password:
turkey@123
Email To:
[email protected]

Signatures

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

d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RMBJLaF = "C:\\Users\\Admin\\AppData\\Roaming\\RMBJLaF\\RMBJLaF.exe"	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe

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

44 api.ipify.org

flow	ioc
44	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe

description	pid	process	target process
PID 5076 set thread context of 4684	5076	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe

pid	process
4684	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe
4684	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe
4684	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe

description pid process

Token: SeDebugPrivilege 4684 d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe

description	pid	process
Token: SeDebugPrivilege	4684	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe

description	pid	process	target process
PID 5076 wrote to memory of 4684	5076	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe
PID 5076 wrote to memory of 4684	5076	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe
PID 5076 wrote to memory of 4684	5076	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe
PID 5076 wrote to memory of 4684	5076	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe
PID 5076 wrote to memory of 4684	5076	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe
PID 5076 wrote to memory of 4684	5076	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe
PID 5076 wrote to memory of 4684	5076	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe
PID 5076 wrote to memory of 4684	5076	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe

outlook_office_path 1 IoCs

Processes:

d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe

outlook_win_path 1 IoCs

Processes:

d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe

C:\Users\Admin\AppData\Local\Temp\d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe
"C:\Users\Admin\AppData\Local\Temp\d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5076
- C:\Users\Admin\AppData\Local\Temp\d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe
  "C:\Users\Admin\AppData\Local\Temp\d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4684

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

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\Microsoft\CLR_v4.0_32\UsageLogs\d5b1e18d554082aca046f9795f7de36aa1c7109871c5c9cb637d223396afb000.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/4684-138-0x0000000000000000-mapping.dmp

Download
memory/4684-139-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4684-141-0x0000000005C00000-0x0000000005C66000-memory.dmp

Filesize
408KB

Download
memory/4684-142-0x0000000006AA0000-0x0000000006AF0000-memory.dmp

Filesize
320KB

Download
memory/5076-133-0x0000000000920000-0x0000000000A32000-memory.dmp

Filesize
1.1MB

Download
memory/5076-134-0x00000000059F0000-0x0000000005F94000-memory.dmp

Filesize
5.6MB

Download
memory/5076-135-0x0000000005300000-0x0000000005392000-memory.dmp

Filesize
584KB

Download
memory/5076-136-0x0000000005290000-0x000000000529A000-memory.dmp

Filesize
40KB

Download
memory/5076-137-0x000000000B440000-0x000000000B4DC000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads