agenttesla | a3662fa4cf2f5fe8ad9c42b8d34d4b530002653606637748f70be90178fd57fb

General

Target

0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe
Size

447KB
MD5

e94788f83a6d3866fd9556063fa989d3
SHA1

8b51cf0d43398850bb224ebfb73feb6e0a6ea867
SHA256

0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010
SHA512

b8bef6c09b3896222aaf49d2631ea8b5740a6d116360984564bccb9a4dc8da4ec5fab4233ddc3527d5f5d6c886161ffec5f43bc4015833e845d06ba21b94e6bf
SSDEEP

6144:G3kJbU1JhQdf/65DMXqCFdxTRHDiK4KhrR+gAj3dDpS3GsLl4hHJjvYX:IebU1/oKHIdxTNV7b+gAjNDk3ziJjwX

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
Everest10

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/4544-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4120 set thread context of 4544	4120	0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe	105

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4544	0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe
4544	0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4544	0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4120 wrote to memory of 4544	4120	0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe	105
PID 4120 wrote to memory of 4544	4120	0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe	105
PID 4120 wrote to memory of 4544	4120	0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe	105
PID 4120 wrote to memory of 4544	4120	0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe	105
PID 4120 wrote to memory of 4544	4120	0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe	105
PID 4120 wrote to memory of 4544	4120	0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe	105
PID 4120 wrote to memory of 4544	4120	0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe	105
PID 4120 wrote to memory of 4544	4120	0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe	105

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe

C:\Users\Admin\AppData\Local\Temp\0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe
"C:\Users\Admin\AppData\Local\Temp\0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4120
- C:\Users\Admin\AppData\Local\Temp\0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe
  "C:\Users\Admin\AppData\Local\Temp\0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\0805f0cfb915df921fceebff50ff549de99099d743f0caabfdd6d1dc49eee010.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/4120-10-0x0000000006FB0000-0x0000000007010000-memory.dmp

Filesize
384KB

Download
memory/4120-2-0x0000000005D60000-0x0000000006304000-memory.dmp

Filesize
5.6MB

Download
memory/4120-3-0x00000000058B0000-0x0000000005942000-memory.dmp

Filesize
584KB

Download
memory/4120-4-0x0000000005970000-0x000000000597A000-memory.dmp

Filesize
40KB

Download
memory/4120-5-0x0000000074C10000-0x00000000753C0000-memory.dmp

Filesize
7.7MB

Download
memory/4120-6-0x0000000007040000-0x00000000070DC000-memory.dmp

Filesize
624KB

Download
memory/4120-7-0x0000000005D10000-0x0000000005D1E000-memory.dmp

Filesize
56KB

Download
memory/4120-8-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

Filesize
4KB

Download
memory/4120-0-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

Filesize
4KB

Download
memory/4120-9-0x0000000074C10000-0x00000000753C0000-memory.dmp

Filesize
7.7MB

Download
memory/4120-16-0x0000000074C10000-0x00000000753C0000-memory.dmp

Filesize
7.7MB

Download
memory/4120-1-0x0000000000E60000-0x0000000000ED6000-memory.dmp

Filesize
472KB

Download
memory/4544-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4544-15-0x0000000074C10000-0x00000000753C0000-memory.dmp

Filesize
7.7MB

Download
memory/4544-14-0x0000000074C10000-0x00000000753C0000-memory.dmp

Filesize
7.7MB

Download
memory/4544-17-0x00000000058D0000-0x00000000058E8000-memory.dmp

Filesize
96KB

Download
memory/4544-18-0x00000000063B0000-0x0000000006416000-memory.dmp

Filesize
408KB

Download
memory/4544-19-0x0000000074C10000-0x00000000753C0000-memory.dmp

Filesize
7.7MB

Download
memory/4544-20-0x0000000074C10000-0x00000000753C0000-memory.dmp

Filesize
7.7MB

Download
memory/4544-21-0x0000000006570000-0x00000000065C0000-memory.dmp

Filesize
320KB

Download

Analysis

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