agenttesla | f62640b8047a6105ba98ab690d7908f6c3e8aef22f05d6512e838457a01e0593

General

Target

sleeps.exe
Size

14KB
MD5

716c27c08649ad5319ef1c41950c1c82
SHA1

a6ea541cf0cbb41550dcde53b3da372f16c31652
SHA256

f62640b8047a6105ba98ab690d7908f6c3e8aef22f05d6512e838457a01e0593
SHA512

f7bcb38737514e0d335ea3d7db8a172e077ad00825740b4e54dedb42fcdc135456981ce2774c9b328809cb28a83b5efe9a281f40b641af1985ed3d2493b0b40e
SSDEEP

384:QqZ14rOq8oLxRLNrqNXjLgL8lLhBN2F3T:QiCCcxFkXk2LhBN03T

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6184846740:AAFy48QnJEpbqT9DY_xx392kz1tH5_khlWo/

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
T1552.001
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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

39 api.ipify.org
40 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

sleeps.exe

description pid process target process

PID 1740 set thread context of 5116 1740 sleeps.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

RegAsm.exe

pid process

5116 RegAsm.exe
5116 RegAsm.exe
5116 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

sleeps.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 1740 sleeps.exe
Token: SeDebugPrivilege 5116 RegAsm.exe

flow	ioc
39	api.ipify.org
40	api.ipify.org

description	pid	process	target process
PID 1740 set thread context of 5116	1740	sleeps.exe	RegAsm.exe

pid	process
5116	RegAsm.exe
5116	RegAsm.exe
5116	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1740	sleeps.exe
Token: SeDebugPrivilege	5116	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

sleeps.exe

description	pid	process	target process
PID 1740 wrote to memory of 5116	1740	sleeps.exe	RegAsm.exe
PID 1740 wrote to memory of 5116	1740	sleeps.exe	RegAsm.exe
PID 1740 wrote to memory of 5116	1740	sleeps.exe	RegAsm.exe
PID 1740 wrote to memory of 5116	1740	sleeps.exe	RegAsm.exe
PID 1740 wrote to memory of 5116	1740	sleeps.exe	RegAsm.exe
PID 1740 wrote to memory of 5116	1740	sleeps.exe	RegAsm.exe
PID 1740 wrote to memory of 5116	1740	sleeps.exe	RegAsm.exe
PID 1740 wrote to memory of 5116	1740	sleeps.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\sleeps.exe
"C:\Users\Admin\AppData\Local\Temp\sleeps.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1740

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
#cmd
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:5116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1740-5-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/1740-0-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/1740-2-0x0000000004E20000-0x0000000004E30000-memory.dmp

Filesize
64KB

Download
memory/1740-1-0x00000000004E0000-0x00000000004EA000-memory.dmp

Filesize
40KB

Download
memory/5116-9-0x0000000005870000-0x00000000058D6000-memory.dmp

Filesize
408KB

Download
memory/5116-6-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/5116-7-0x0000000005DB0000-0x0000000006354000-memory.dmp

Filesize
5.6MB

Download
memory/5116-8-0x00000000058E0000-0x00000000058F0000-memory.dmp

Filesize
64KB

Download
memory/5116-3-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/5116-10-0x0000000006D80000-0x0000000006DD0000-memory.dmp

Filesize
320KB

Download
memory/5116-11-0x0000000006FA0000-0x0000000007162000-memory.dmp

Filesize
1.8MB

Download
memory/5116-21-0x0000000006E70000-0x0000000006F0C000-memory.dmp

Filesize
624KB

Download
memory/5116-22-0x0000000007210000-0x00000000072A2000-memory.dmp

Filesize
584KB

Download
memory/5116-23-0x0000000006F80000-0x0000000006F8A000-memory.dmp

Filesize
40KB

Download
memory/5116-24-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/5116-25-0x00000000058E0000-0x00000000058F0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads