agenttesla | dfbeba838a8f0ab768d8ee8c1f06294e3d69670d187b3244614669f95c86b12a

General

Target

GH987667890000.exe
Size

788KB
MD5

13056701d66cd5f352657bc21e9a4b2e
SHA1

cc16cbd465b2cf203644de3c76934f6a030e3f74
SHA256

9e30a7dadfe8f7f35f91d06fb067875d0eb96c2ffe210636505f4ed9b49b8593
SHA512

d56fd29326cb69716c6b5284335ebf574cc9ce58678c0aa0627926e605e5916df1466435c1dd5a11974d5b8a09e4968b337ea57e2b862ade2846b8de79315694
SSDEEP

12288:ujSXMDXK+HgGy4JAru9X57VQ6CcPB3fQ/XfVP7kkPNpz94RuCxB6A7N5R:PcDXBAl4e6V5BzPBWP9X9LG6A7Nb

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.antoniomayol.com:21
Port:
21
Username:
[email protected]
Password:
cMhKDQUk1{;%

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
2864	powershell.exe
2812	powershell.exe

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 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 2604 set thread context of 2724	2604	GH987667890000.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	GH987667890000.exe
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	GH987667890000.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
2472	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2812	powershell.exe
2864	powershell.exe
2724	GH987667890000.exe
2724	GH987667890000.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2812	powershell.exe
Token: SeDebugPrivilege	2864	powershell.exe
Token: SeDebugPrivilege	2724	GH987667890000.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 2864	2604	GH987667890000.exe	29
PID 2604 wrote to memory of 2864	2604	GH987667890000.exe	29
PID 2604 wrote to memory of 2864	2604	GH987667890000.exe	29
PID 2604 wrote to memory of 2864	2604	GH987667890000.exe	29
PID 2604 wrote to memory of 2812	2604	GH987667890000.exe	31
PID 2604 wrote to memory of 2812	2604	GH987667890000.exe	31
PID 2604 wrote to memory of 2812	2604	GH987667890000.exe	31
PID 2604 wrote to memory of 2812	2604	GH987667890000.exe	31
PID 2604 wrote to memory of 2472	2604	GH987667890000.exe	33
PID 2604 wrote to memory of 2472	2604	GH987667890000.exe	33
PID 2604 wrote to memory of 2472	2604	GH987667890000.exe	33
PID 2604 wrote to memory of 2472	2604	GH987667890000.exe	33
PID 2604 wrote to memory of 2724	2604	GH987667890000.exe	35
PID 2604 wrote to memory of 2724	2604	GH987667890000.exe	35
PID 2604 wrote to memory of 2724	2604	GH987667890000.exe	35
PID 2604 wrote to memory of 2724	2604	GH987667890000.exe	35
PID 2604 wrote to memory of 2724	2604	GH987667890000.exe	35
PID 2604 wrote to memory of 2724	2604	GH987667890000.exe	35
PID 2604 wrote to memory of 2724	2604	GH987667890000.exe	35
PID 2604 wrote to memory of 2724	2604	GH987667890000.exe	35
PID 2604 wrote to memory of 2724	2604	GH987667890000.exe	35

C:\Users\Admin\AppData\Local\Temp\GH987667890000.exe
"C:\Users\Admin\AppData\Local\Temp\GH987667890000.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2604
- 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\GH987667890000.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2864
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xIXhmiLVmuR.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2812
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xIXhmiLVmuR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3006.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2472
- C:\Users\Admin\AppData\Local\Temp\GH987667890000.exe
  "C:\Users\Admin\AppData\Local\Temp\GH987667890000.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2724

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

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3006.tmp

Filesize
1KB

MD5
a33f0fe28f4d40eb1830df70b6708d27

SHA1
31e393eba8e7fb5f0a879d1a0dd2f6458a83e78f

SHA256
3e1e2a716cc0a851028a7b2b91e64cf35818775c2b4c9df0a9eec2233165fd4e

SHA512
906e8f72c691771adb653a770e00335df20663545df98ca01c38635669378d04b21fe46c4379d85f36cda1d904f65952985bfd10f8d3ca9ad9a602c6ba72526d

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

Filesize
7KB

MD5
57e6031353a89a4511c5464123781353

SHA1
1303b6ad98476c0510f25d37efab5dfe0f7d3209

SHA256
8cedddeb6c2ebb4a13cd93d3969beca8240b18ec4d2a7c9f548ac424cc2d229f

SHA512
64a75ba3b5698ea438ada96af6a0125a43121b2b3d8eda09756c9de3c21b2d81084b7c8d53d006af65628726781052e5e8a01916c744a3a2df5214a8271a1365

Download Submit
memory/2604-4-0x00000000740CE000-0x00000000740CF000-memory.dmp

Filesize
4KB

Download
memory/2604-31-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2604-0-0x00000000740CE000-0x00000000740CF000-memory.dmp

Filesize
4KB

Download
memory/2604-5-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2604-6-0x00000000002E0000-0x0000000000364000-memory.dmp

Filesize
528KB

Download
memory/2604-2-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2604-1-0x00000000009C0000-0x0000000000A8C000-memory.dmp

Filesize
816KB

Download
memory/2604-3-0x0000000000930000-0x000000000094E000-memory.dmp

Filesize
120KB

Download
memory/2724-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2724-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2724-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2724-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2724-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2724-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2724-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2724-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads