agenttesla | 930f11744b7893c4f7fd88b2838cfe11a63bac6e1c4f4569041ccaa8b9f44285

General

Target

scan_88845i.scr.exe
Size

706KB
MD5

72f1e1ddfa5d30ab6d6bec9a51c07184
SHA1

3d500f66cddd83375d9491802197ebcfb3c295b6
SHA256

930f11744b7893c4f7fd88b2838cfe11a63bac6e1c4f4569041ccaa8b9f44285
SHA512

0865cc5308fcae5afa3cdcf9b6eca1a8fea9c29c4e6337589d3363beee05f382a00193d168aaf001c3f95a43a8dfc637f06997375370c188cf94a7ee7617846b
SSDEEP

12288:qnCe1AmEQmgL9CDE0NyDOSGbJf0wI78JotGc4FFrgdpHZOJUZEkvInz2s0JZ96kR:S1bEeCDE0NImJfjG8+tGlBgdZZOXSvJR

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.libreriagandhi.cl
Port:
21
Username:
[email protected]
Password:
$yxZKP=c)$k#

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
2772	powershell.exe
2632	powershell.exe

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 3 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

Credentials from Web Browsers
T1555.003

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 2248 set thread context of 928	2248	scan_88845i.scr.exe	35

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	scan_88845i.scr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	scan_88845i.scr.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
2708	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
928	scan_88845i.scr.exe
928	scan_88845i.scr.exe
2772	powershell.exe
2632	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	928	scan_88845i.scr.exe
Token: SeDebugPrivilege	2632	powershell.exe
Token: SeDebugPrivilege	2772	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2772	2248	scan_88845i.scr.exe	29
PID 2248 wrote to memory of 2772	2248	scan_88845i.scr.exe	29
PID 2248 wrote to memory of 2772	2248	scan_88845i.scr.exe	29
PID 2248 wrote to memory of 2772	2248	scan_88845i.scr.exe	29
PID 2248 wrote to memory of 2632	2248	scan_88845i.scr.exe	31
PID 2248 wrote to memory of 2632	2248	scan_88845i.scr.exe	31
PID 2248 wrote to memory of 2632	2248	scan_88845i.scr.exe	31
PID 2248 wrote to memory of 2632	2248	scan_88845i.scr.exe	31
PID 2248 wrote to memory of 2708	2248	scan_88845i.scr.exe	33
PID 2248 wrote to memory of 2708	2248	scan_88845i.scr.exe	33
PID 2248 wrote to memory of 2708	2248	scan_88845i.scr.exe	33
PID 2248 wrote to memory of 2708	2248	scan_88845i.scr.exe	33
PID 2248 wrote to memory of 928	2248	scan_88845i.scr.exe	35
PID 2248 wrote to memory of 928	2248	scan_88845i.scr.exe	35
PID 2248 wrote to memory of 928	2248	scan_88845i.scr.exe	35
PID 2248 wrote to memory of 928	2248	scan_88845i.scr.exe	35
PID 2248 wrote to memory of 928	2248	scan_88845i.scr.exe	35
PID 2248 wrote to memory of 928	2248	scan_88845i.scr.exe	35
PID 2248 wrote to memory of 928	2248	scan_88845i.scr.exe	35
PID 2248 wrote to memory of 928	2248	scan_88845i.scr.exe	35
PID 2248 wrote to memory of 928	2248	scan_88845i.scr.exe	35

C:\Users\Admin\AppData\Local\Temp\scan_88845i.scr.exe
"C:\Users\Admin\AppData\Local\Temp\scan_88845i.scr.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2248
- 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_88845i.scr.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2772
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TBGhkdqf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2632
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TBGhkdqf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA8FC.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2708
- C:\Users\Admin\AppData\Local\Temp\scan_88845i.scr.exe
  "C:\Users\Admin\AppData\Local\Temp\scan_88845i.scr.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

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

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 Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA8FC.tmp

Filesize
1KB

MD5
fdf5cbbc0ad6644730c843baafd7e56d

SHA1
fbaeaa40aa0c8dab6ba1d54f11ba91724e876264

SHA256
69021cd7fa7db785534a1fd879e21492518fa6b42f74a4ecdd9c3e1a413894da

SHA512
f1da2dc63c8126246716da70aca5bbe81c51e8f85c5830cca0f19686d34134df935d20d5fee71698d32805948aebf74fe7f728b03b7dca986137717d1e7915e3

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

Filesize
7KB

MD5
f6c0732c08c5a137e6a8b002f42e9333

SHA1
d971db9cfcc07db380d74623ef7118164122dd7c

SHA256
70edf9e49892e334c3b94ce22ca6e2ba6c16478a9180ac8b27d232c7d23cebae

SHA512
113d1b9fd9540d35ab5665ff8436737fe9dd62dc9293828863c71a015d0086483f9607e3e7d3c58d83bde8e9fd8dcc7d959a261d4a0fa4db5f4d1e0bb98bd170

Download Submit
memory/928-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/928-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/928-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/928-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/928-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/928-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/928-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/928-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2248-6-0x0000000005BE0000-0x0000000005C64000-memory.dmp

Filesize
528KB

Download
memory/2248-1-0x00000000013D0000-0x0000000001484000-memory.dmp

Filesize
720KB

Download
memory/2248-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2248-2-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2248-3-0x0000000000660000-0x0000000000678000-memory.dmp

Filesize
96KB

Download
memory/2248-31-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2248-5-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2248-4-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads