agenttesla | 004af6a9a8743250057ea5199c4764ab4d0c472babc5bfbb3b37beb74a4ca986

General

Target

scan_865784.scr
Size

762KB
MD5

ab81060e67501bc08bd8a3f9bac5367f
SHA1

f877625633f98d1f42c50e37006f808aa61630ba
SHA256

7ef4c75ee4a5f3b7f2ac44323d9ba15bcd24f5d0b9e3e04dc330dc6cde421b7c
SHA512

61782aa2dc9663cdeb016a0b0dac91cbb4eaee8f293a1f96486539dae32c144643b299c87745657ad0682208aa5586e1ad3340e62f99f371dbdc683eb3b2717a
SSDEEP

12288:VUxAdWvsd2eUUHd8GX5b+EE203zQeDZDr0ZeVN1csr8qHv0U3TB39:VUxpa2ZUHd8GXhE20DnFf0MVNrnPx39

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.fosna.net
Port:
21
Username:
[email protected]
Password:
(=8fPSH$KO_!

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2600	powershell.exe
2608	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1628 set thread context of 2260	1628	scan_865784.scr	36

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 5 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	scan_865784.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2388	schtasks.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
1628	scan_865784.scr
1628	scan_865784.scr
1628	scan_865784.scr
1628	scan_865784.scr
1628	scan_865784.scr
1628	scan_865784.scr
1628	scan_865784.scr
1628	scan_865784.scr
1628	scan_865784.scr
1628	scan_865784.scr
1628	scan_865784.scr
1628	scan_865784.scr
1628	scan_865784.scr
1628	scan_865784.scr
1628	scan_865784.scr
1628	scan_865784.scr
1628	scan_865784.scr
2260	vbc.exe
2260	vbc.exe
2600	powershell.exe
2608	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1628	scan_865784.scr
Token: SeDebugPrivilege	2260	vbc.exe
Token: SeDebugPrivilege	2600	powershell.exe
Token: SeDebugPrivilege	2608	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 2600	1628	scan_865784.scr	30
PID 1628 wrote to memory of 2600	1628	scan_865784.scr	30
PID 1628 wrote to memory of 2600	1628	scan_865784.scr	30
PID 1628 wrote to memory of 2600	1628	scan_865784.scr	30
PID 1628 wrote to memory of 2608	1628	scan_865784.scr	32
PID 1628 wrote to memory of 2608	1628	scan_865784.scr	32
PID 1628 wrote to memory of 2608	1628	scan_865784.scr	32
PID 1628 wrote to memory of 2608	1628	scan_865784.scr	32
PID 1628 wrote to memory of 2388	1628	scan_865784.scr	34
PID 1628 wrote to memory of 2388	1628	scan_865784.scr	34
PID 1628 wrote to memory of 2388	1628	scan_865784.scr	34
PID 1628 wrote to memory of 2388	1628	scan_865784.scr	34
PID 1628 wrote to memory of 2260	1628	scan_865784.scr	36
PID 1628 wrote to memory of 2260	1628	scan_865784.scr	36
PID 1628 wrote to memory of 2260	1628	scan_865784.scr	36
PID 1628 wrote to memory of 2260	1628	scan_865784.scr	36
PID 1628 wrote to memory of 2260	1628	scan_865784.scr	36
PID 1628 wrote to memory of 2260	1628	scan_865784.scr	36
PID 1628 wrote to memory of 2260	1628	scan_865784.scr	36
PID 1628 wrote to memory of 2260	1628	scan_865784.scr	36
PID 1628 wrote to memory of 2260	1628	scan_865784.scr	36

C:\Users\Admin\AppData\Local\Temp\scan_865784.scr
"C:\Users\Admin\AppData\Local\Temp\scan_865784.scr" /S
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\scan_865784.scr"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2600
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jUTthTUyPiZyGH.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2608
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jUTthTUyPiZyGH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpADFB.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2388
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2260

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

PowerShell

1

T1059.001

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

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1KB

MD5
a92be2a9bd74f1c3c1572f05dae6cb3e

SHA1
396dcbdaf0a75ed3640fa6dee41a9bd7b1c8ce34

SHA256
653a2a3477ccbc90e9d42c8c74faa4bd4d68a0080b37eb873070eabf01a3e843

SHA512
2f718463dca138ed44b06db3710e763b662bf631eb2fa1e280b942ee78ebec00fdda2cdb600c7792f6ded5925c3f4c3993010737e6817c80ee5f278ed389670b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
163b75f877ab5a638b1e151c142c32cf

SHA1
2fd18816e0f5e89add7844b2db10f0d45e445fd7

SHA256
9732e5ae0bbc428971cd09ca9012233fb67390a0eec39651e11c1913b7e7aa59

SHA512
0ed67cf2d3ad74c39cabe55805acc945d1fc69288bcf6adef06bdbeb43a531b8e202c75778385ba94a558583cec4d5704f44a5dd721134a48b3ec795ba8fdaae

Download Submit
memory/1628-4-0x000000007420E000-0x000000007420F000-memory.dmp

Filesize
4KB

Download
memory/1628-31-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/1628-0-0x000000007420E000-0x000000007420F000-memory.dmp

Filesize
4KB

Download
memory/1628-5-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/1628-6-0x00000000009F0000-0x0000000000A74000-memory.dmp

Filesize
528KB

Download
memory/1628-2-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/1628-1-0x0000000001380000-0x0000000001444000-memory.dmp

Filesize
784KB

Download
memory/1628-3-0x0000000000500000-0x000000000051E000-memory.dmp

Filesize
120KB

Download
memory/2260-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2260-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2260-27-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2260-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2260-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2260-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2260-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2260-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads