agenttesla | d33812833f386d2381def8fa00d934d137a362c7bf26cc11f9bb21b8d9a93350

General

Target

Products_Sample_List.exe
Size

379KB
MD5

56bc4649c44fdc3d86ed1f3529923d9d
SHA1

c13e2245727a30eee07b42344b744c0a05c266fe
SHA256

fdf438f4554b9b5184dad63af814f9acd88617df374a2e618294523f1cb7e350
SHA512

d458b1c0a2527eece728a2733573ac8ee4ab369062b1800dffb2b99cebf68bef18005770e9abf377a36760fef92bb1582757bd337c81a3131364ac89b7e1fd52
SSDEEP

6144:aOYXZ+fi/SkOTvl1OztgoXO/aoxJmbvnhmo7wtXgUght34q6XjIAw+cM+aqWGoN4:+pgiaZhWtxXYFJ+nhHIQp3rqEAwVM+a8

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.coffiices.com
Port:
587
Username:
[email protected]
Password:
E5%lCvZ{l[6

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2704-15-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/2704-19-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/2704-12-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/2704-11-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/2704-17-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Products_Sample_List.exe
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Products_Sample_List.exe
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Products_Sample_List.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1704 set thread context of 2704	1704	Products_Sample_List.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
3016	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2704	Products_Sample_List.exe
2704	Products_Sample_List.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2704	Products_Sample_List.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 3016	1704	Products_Sample_List.exe	28
PID 1704 wrote to memory of 3016	1704	Products_Sample_List.exe	28
PID 1704 wrote to memory of 3016	1704	Products_Sample_List.exe	28
PID 1704 wrote to memory of 3016	1704	Products_Sample_List.exe	28
PID 1704 wrote to memory of 2704	1704	Products_Sample_List.exe	30
PID 1704 wrote to memory of 2704	1704	Products_Sample_List.exe	30
PID 1704 wrote to memory of 2704	1704	Products_Sample_List.exe	30
PID 1704 wrote to memory of 2704	1704	Products_Sample_List.exe	30
PID 1704 wrote to memory of 2704	1704	Products_Sample_List.exe	30
PID 1704 wrote to memory of 2704	1704	Products_Sample_List.exe	30
PID 1704 wrote to memory of 2704	1704	Products_Sample_List.exe	30
PID 1704 wrote to memory of 2704	1704	Products_Sample_List.exe	30
PID 1704 wrote to memory of 2704	1704	Products_Sample_List.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Products_Sample_List.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Products_Sample_List.exe

C:\Users\Admin\AppData\Local\Temp\Products_Sample_List.exe
"C:\Users\Admin\AppData\Local\Temp\Products_Sample_List.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ghimZJdinNy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1E0C.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3016
- C:\Users\Admin\AppData\Local\Temp\Products_Sample_List.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

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\tmp1E0C.tmp

Filesize
1KB

MD5
2afaa32be935f7643264fb9c0d7f8c26

SHA1
881d2c66cffea128c850e4273de31d67156e1883

SHA256
986f9d27c7255065e2dd4e8d1569105b6f35e91b5670aa6bef1801bf4f3e8f23

SHA512
dd25a9064cf3acaf5492ad011c26f9adbc3737b30f6b6774a8179c26e955cfc8ee74ce1570d433c441702bf42d3b4f4131c8ed4f2815ffbbff1bdf067c2abc89

Download Submit
memory/1704-0-0x0000000074A51000-0x0000000074A52000-memory.dmp

Filesize
4KB

Download
memory/1704-1-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/1704-2-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/1704-3-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/1704-20-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2704-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2704-19-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2704-15-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2704-21-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download
memory/2704-9-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2704-12-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2704-11-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2704-17-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2704-10-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2704-22-0x0000000074A50000-0x0000000074FFB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads