agenttesla | 2699f4f9eb33945fb4025b8ec3860d59126d7647a27fa25a482e9e01df9e3b08

General

Target

AgentTesla1.exe
Size

845KB
MD5

7f3c20fc4d534047eeffa7d727ec61bb
SHA1

b0e6478d9302bf2e5c9b3d6684a7e53a3fa32fbb
SHA256

fc9bf87a0cf8acc598b6ffa700597ea728fd1e7c0672f5a5ef2673a0a9a57ddc
SHA512

a48e569370c1cd3ce181fdd466027fff4b1e387c0491b97594964be7a1e3bc3b36d5c52e4e85916521f65da12688f20b73fe4b9c86c3d0ff56a120ca14e70121
SSDEEP

24576:Nsr1ZaHMtY+Vhy7J2Us/lWdanH7XWWXx/QE8HGlf:qrDQR7JGlUyXBrIw

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://192.3.223.202
Port:
21
Username:
ftplogs
Password:
sPkZ7jK7P6aA

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	AgentTesla1.exe

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AgentTesla1.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AgentTesla1.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AgentTesla1.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.

flow	ioc
51	api.ipify.org
52	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1056 set thread context of 4156	1056	AgentTesla1.exe	90

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

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

T1053

pid	Process
2168	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1056	AgentTesla1.exe
1056	AgentTesla1.exe
1056	AgentTesla1.exe
1056	AgentTesla1.exe
1056	AgentTesla1.exe
1056	AgentTesla1.exe
552	powershell.exe
552	powershell.exe
4156	AgentTesla1.exe
4156	AgentTesla1.exe
4156	AgentTesla1.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4156	AgentTesla1.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1056	AgentTesla1.exe
Token: SeDebugPrivilege	552	powershell.exe
Token: SeDebugPrivilege	4156	AgentTesla1.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4156	AgentTesla1.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 552	1056	AgentTesla1.exe	84
PID 1056 wrote to memory of 552	1056	AgentTesla1.exe	84
PID 1056 wrote to memory of 552	1056	AgentTesla1.exe	84
PID 1056 wrote to memory of 2168	1056	AgentTesla1.exe	86
PID 1056 wrote to memory of 2168	1056	AgentTesla1.exe	86
PID 1056 wrote to memory of 2168	1056	AgentTesla1.exe	86
PID 1056 wrote to memory of 216	1056	AgentTesla1.exe	88
PID 1056 wrote to memory of 216	1056	AgentTesla1.exe	88
PID 1056 wrote to memory of 216	1056	AgentTesla1.exe	88
PID 1056 wrote to memory of 116	1056	AgentTesla1.exe	89
PID 1056 wrote to memory of 116	1056	AgentTesla1.exe	89
PID 1056 wrote to memory of 116	1056	AgentTesla1.exe	89
PID 1056 wrote to memory of 4156	1056	AgentTesla1.exe	90
PID 1056 wrote to memory of 4156	1056	AgentTesla1.exe	90
PID 1056 wrote to memory of 4156	1056	AgentTesla1.exe	90
PID 1056 wrote to memory of 4156	1056	AgentTesla1.exe	90
PID 1056 wrote to memory of 4156	1056	AgentTesla1.exe	90
PID 1056 wrote to memory of 4156	1056	AgentTesla1.exe	90
PID 1056 wrote to memory of 4156	1056	AgentTesla1.exe	90
PID 1056 wrote to memory of 4156	1056	AgentTesla1.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AgentTesla1.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AgentTesla1.exe

C:\Users\Admin\AppData\Local\Temp\AgentTesla1.exe
"C:\Users\Admin\AppData\Local\Temp\AgentTesla1.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1056
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HnCYEmDXwXSJTz.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:552
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HnCYEmDXwXSJTz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3930.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2168
- C:\Users\Admin\AppData\Local\Temp\AgentTesla1.exe
  "C:\Users\Admin\AppData\Local\Temp\AgentTesla1.exe"
  2⤵
  PID:216
- C:\Users\Admin\AppData\Local\Temp\AgentTesla1.exe
  "C:\Users\Admin\AppData\Local\Temp\AgentTesla1.exe"
  2⤵
  PID:116
- C:\Users\Admin\AppData\Local\Temp\AgentTesla1.exe
  "C:\Users\Admin\AppData\Local\Temp\AgentTesla1.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4156

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\tmp3930.tmp

Filesize
1KB

MD5
1d06cb5b35ea8b065bc758af8acda3d3

SHA1
f48890e1d50c42cbac58a923891ea96baa821150

SHA256
ed4f3bf3f7a45a785c4d7c72f38de8494855a5a1110ed40ebef2aa8d372fe616

SHA512
42a54a7f0137b58f4e5bd7bacd7af876715b4edde5d0e60b045dfa1d65c0241b4a016897dfa1c081e35a4bee4a93e07e777571b038a3f20760edfb596bbf2905

Download Submit
memory/552-146-0x00000000054B0000-0x00000000054D2000-memory.dmp

Filesize
136KB

Download
memory/552-154-0x0000000007810000-0x000000000782A000-memory.dmp

Filesize
104KB

Download
memory/552-159-0x0000000007B10000-0x0000000007B18000-memory.dmp

Filesize
32KB

Download
memory/552-139-0x0000000002B90000-0x0000000002BC6000-memory.dmp

Filesize
216KB

Download
memory/552-158-0x0000000007B30000-0x0000000007B4A000-memory.dmp

Filesize
104KB

Download
memory/552-141-0x0000000005580000-0x0000000005BA8000-memory.dmp

Filesize
6.2MB

Download
memory/552-157-0x0000000007A20000-0x0000000007A2E000-memory.dmp

Filesize
56KB

Download
memory/552-156-0x0000000007A70000-0x0000000007B06000-memory.dmp

Filesize
600KB

Download
memory/552-155-0x0000000007860000-0x000000000786A000-memory.dmp

Filesize
40KB

Download
memory/552-153-0x0000000007E90000-0x000000000850A000-memory.dmp

Filesize
6.5MB

Download
memory/552-152-0x0000000006A70000-0x0000000006A8E000-memory.dmp

Filesize
120KB

Download
memory/552-147-0x0000000005C20000-0x0000000005C86000-memory.dmp

Filesize
408KB

Download
memory/552-148-0x0000000005E40000-0x0000000005EA6000-memory.dmp

Filesize
408KB

Download
memory/552-149-0x00000000064E0000-0x00000000064FE000-memory.dmp

Filesize
120KB

Download
memory/552-150-0x0000000006A90000-0x0000000006AC2000-memory.dmp

Filesize
200KB

Download
memory/552-151-0x00000000710F0000-0x000000007113C000-memory.dmp

Filesize
304KB

Download
memory/1056-132-0x0000000000A70000-0x0000000000B4A000-memory.dmp

Filesize
872KB

Download
memory/1056-136-0x0000000009490000-0x000000000952C000-memory.dmp

Filesize
624KB

Download
memory/1056-133-0x00000000059F0000-0x0000000005F94000-memory.dmp

Filesize
5.6MB

Download
memory/1056-134-0x00000000054E0000-0x0000000005572000-memory.dmp

Filesize
584KB

Download
memory/1056-135-0x0000000005670000-0x000000000567A000-memory.dmp

Filesize
40KB

Download
memory/4156-145-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4156-160-0x0000000006970000-0x00000000069C0000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads