agenttesla | fac10c25eb41bbb2169988b5140a6600cf910b80483b2d32020d23a702605de0

General

Target

5.1.exe
Size

664KB
MD5

d959324b388c0102201beabacaaee229
SHA1

910484fa63f93c0e524ca951d2ac3ae7c9910f2a
SHA256

fac10c25eb41bbb2169988b5140a6600cf910b80483b2d32020d23a702605de0
SHA512

29230d304711cc68d5065e7aece00aa163478d0f965891b424667258ab13a655917cd0a12947afd7782e4d587ecf19749c895a79abcfa66bd59e4a51a708f67f
SSDEEP

12288:ySIReQpHHFWQvgIwHCQNi5vNF34yecktJ7q9s/oMQWGbY2CuYBKYvI8t:ySgeQpHHUQvgIwm5vbkbq13TCuYO

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://cash4cars.nz
Port:
21
Username:
[email protected]
Password:
-[([pqM~nGA4

Signatures

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

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
2892	powershell.exe
1732	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 2 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

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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2436 set thread context of 2940	2436	5.1.exe	37

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	5.1.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	5.1.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
2828	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2436	5.1.exe
2436	5.1.exe
2940	5.1.exe
2940	5.1.exe
1732	powershell.exe
2892	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2436	5.1.exe
Token: SeDebugPrivilege	2940	5.1.exe
Token: SeDebugPrivilege	1732	powershell.exe
Token: SeDebugPrivilege	2892	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 2892	2436	5.1.exe	31
PID 2436 wrote to memory of 2892	2436	5.1.exe	31
PID 2436 wrote to memory of 2892	2436	5.1.exe	31
PID 2436 wrote to memory of 2892	2436	5.1.exe	31
PID 2436 wrote to memory of 1732	2436	5.1.exe	33
PID 2436 wrote to memory of 1732	2436	5.1.exe	33
PID 2436 wrote to memory of 1732	2436	5.1.exe	33
PID 2436 wrote to memory of 1732	2436	5.1.exe	33
PID 2436 wrote to memory of 2828	2436	5.1.exe	35
PID 2436 wrote to memory of 2828	2436	5.1.exe	35
PID 2436 wrote to memory of 2828	2436	5.1.exe	35
PID 2436 wrote to memory of 2828	2436	5.1.exe	35
PID 2436 wrote to memory of 2940	2436	5.1.exe	37
PID 2436 wrote to memory of 2940	2436	5.1.exe	37
PID 2436 wrote to memory of 2940	2436	5.1.exe	37
PID 2436 wrote to memory of 2940	2436	5.1.exe	37
PID 2436 wrote to memory of 2940	2436	5.1.exe	37
PID 2436 wrote to memory of 2940	2436	5.1.exe	37
PID 2436 wrote to memory of 2940	2436	5.1.exe	37
PID 2436 wrote to memory of 2940	2436	5.1.exe	37
PID 2436 wrote to memory of 2940	2436	5.1.exe	37

C:\Users\Admin\AppData\Local\Temp\5.1.exe
"C:\Users\Admin\AppData\Local\Temp\5.1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2436
- 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\5.1.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2892
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eBPZTjiUzE.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1732
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eBPZTjiUzE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF20C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2828
- C:\Users\Admin\AppData\Local\Temp\5.1.exe
  "C:\Users\Admin\AppData\Local\Temp\5.1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2940

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\tmpF20C.tmp

Filesize
1KB

MD5
22bee66a12f5324b05b5e3c85c1127ac

SHA1
35e8068fdaa84d23e5ad16a3547fc60149ca75bf

SHA256
e565cdf3bb0f7afb4f6528b483888207d86ff876619dd8a873c35181dfef0e0d

SHA512
0a2f04ad475ab9770c55f16d3d2e7f9b5eff0d0c4bf887bd5766021335d3eeb0fc184a6b1e2d90b5449a9d47a31e486d3617b68f833e9cca3979dcdfec436cc7

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\FUDMYRZDFRV1H3X5HR6Y.temp

Filesize
7KB

MD5
322e0690a671863840fcb1ddedc127b3

SHA1
d73ebc226b184589a9d9a70195bb3691d72570cb

SHA256
ac8232745da1bc6c3efef97ded46b1defd2e310427e03c56540be6da7f08244d

SHA512
e46103a41275d6446119e4bf5e89cadd34a182d1994fef9a8f789ce68772f7dced42b6b1f9ac77ccc44313c651fbbfdd9cda150fe83f13546d46774f44cb68f8

Download Submit
memory/2436-4-0x000000007457E000-0x000000007457F000-memory.dmp

Filesize
4KB

Download
memory/2436-32-0x0000000074570000-0x0000000074C5E000-memory.dmp

Filesize
6.9MB

Download
memory/2436-0-0x000000007457E000-0x000000007457F000-memory.dmp

Filesize
4KB

Download
memory/2436-5-0x0000000074570000-0x0000000074C5E000-memory.dmp

Filesize
6.9MB

Download
memory/2436-6-0x0000000004C50000-0x0000000004CD2000-memory.dmp

Filesize
520KB

Download
memory/2436-2-0x0000000074570000-0x0000000074C5E000-memory.dmp

Filesize
6.9MB

Download
memory/2436-1-0x0000000000AB0000-0x0000000000B5A000-memory.dmp

Filesize
680KB

Download
memory/2436-3-0x0000000000490000-0x00000000004A8000-memory.dmp

Filesize
96KB

Download
memory/2940-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2940-29-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2940-28-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2940-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2940-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2940-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2940-26-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2940-31-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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