agenttesla | e528bc13b83f49c42230bd4c2f4279c187c0bab57b872e9ca152b52a395c316e

General

Target

Additional documents.exe
Size

883KB
MD5

9ce7dbaa399c553d3fbeae037b810085
SHA1

474b5c31ccd81f0e4fa74066b02595bf4648bc5b
SHA256

c2ae8f03a4c70c1a976ab882238a8df26aebc713cd28e1896f883ea9da1f76de
SHA512

ae079383015a9e0fb971d8ff7d77d712fe93d6b6c8aef6e20584308fbfb9b6429c2b299270a7361959dc7217b190458f3cfcd3bb2081069c81df50a68d7af693
SSDEEP

24576:SUutasoWS0F8JVJu9Yna8PrGJ0XHLC/bqx:SUuYsDl+rJugFGJ0WW

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://files.000webhost.com/
Port:
21
Username:
zinco
Password:
computer147

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/2820-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2820-24-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2820-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2820-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2820-14-0x0000000000400000-0x000000000043C000-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
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1640 set thread context of 2820	1640	Additional documents.exe	34

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	Additional documents.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2824	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1640	Additional documents.exe
1640	Additional documents.exe
2820	RegSvcs.exe
2820	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1640	Additional documents.exe
Token: SeDebugPrivilege	2820	RegSvcs.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 2824	1640	Additional documents.exe	31
PID 1640 wrote to memory of 2824	1640	Additional documents.exe	31
PID 1640 wrote to memory of 2824	1640	Additional documents.exe	31
PID 1640 wrote to memory of 2824	1640	Additional documents.exe	31
PID 1640 wrote to memory of 2564	1640	Additional documents.exe	33
PID 1640 wrote to memory of 2564	1640	Additional documents.exe	33
PID 1640 wrote to memory of 2564	1640	Additional documents.exe	33
PID 1640 wrote to memory of 2564	1640	Additional documents.exe	33
PID 1640 wrote to memory of 2564	1640	Additional documents.exe	33
PID 1640 wrote to memory of 2564	1640	Additional documents.exe	33
PID 1640 wrote to memory of 2564	1640	Additional documents.exe	33
PID 1640 wrote to memory of 2820	1640	Additional documents.exe	34
PID 1640 wrote to memory of 2820	1640	Additional documents.exe	34
PID 1640 wrote to memory of 2820	1640	Additional documents.exe	34
PID 1640 wrote to memory of 2820	1640	Additional documents.exe	34
PID 1640 wrote to memory of 2820	1640	Additional documents.exe	34
PID 1640 wrote to memory of 2820	1640	Additional documents.exe	34
PID 1640 wrote to memory of 2820	1640	Additional documents.exe	34
PID 1640 wrote to memory of 2820	1640	Additional documents.exe	34
PID 1640 wrote to memory of 2820	1640	Additional documents.exe	34
PID 1640 wrote to memory of 2820	1640	Additional documents.exe	34
PID 1640 wrote to memory of 2820	1640	Additional documents.exe	34
PID 1640 wrote to memory of 2820	1640	Additional documents.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Additional documents.exe
"C:\Users\Admin\AppData\Local\Temp\Additional documents.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dZVgnOWnVUuHsQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF9BA.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2824
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  PID:2564
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  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:2820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF9BA.tmp

Filesize
1KB

MD5
469e13cf8ecdb384091612dda969e680

SHA1
7aef1a61d4ddac5f7988aaa607cda316ebc17e70

SHA256
30ad099a5f2e8dd0895fe87110aff38f75c92bb45f4ab73e83accf8453571a3a

SHA512
510d5555a2089877ae71375ae088e069dde50b8e48243794670321201d3ea735cd44e09d2d90db682de1a2c9041287d2771330d3be75f7d1b924c2bf4a044530

Download Submit
memory/1640-0-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

Filesize
4KB

Download
memory/1640-1-0x0000000000A40000-0x0000000000B22000-memory.dmp

Filesize
904KB

Download
memory/1640-2-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/1640-3-0x0000000000420000-0x0000000000428000-memory.dmp

Filesize
32KB

Download
memory/1640-4-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

Filesize
4KB

Download
memory/1640-5-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/1640-6-0x0000000005BD0000-0x0000000005C66000-memory.dmp

Filesize
600KB

Download
memory/1640-25-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/2820-24-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2820-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2820-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2820-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2820-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2820-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2820-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2820-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2820-26-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/2820-27-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/2820-28-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/2820-29-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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