agenttesla | 905d39fb9da393f7f2127d11e60860e6faa3aeed8dcaff56f2d8fa09c9a04902

General

Target

Invoice Confirmation.exe
Size

810.6MB
MD5

63395033fc8d13ddd17e74e4bb13d5d6
SHA1

0a65c313504c8bcac8dc2eec944dd078a71ce384
SHA256

c322c179201974d21315230539606d1292a9159527f3f2eafa9d6167e8f51ae2
SHA512

4a1eb33f370ac2ba32bea1af287abe753edfa63e493e9045960303b1990c1cbdb289dd3ebd273ff87ad68b912b4e016877dd3f78b8ed5ce373a3f20b581a0718
SSDEEP

12288:mIR4R52J+XtyfG+Lzb6C65feSfSecDAMEnLwh8aFfxc1C0rmZdXm8qzd9p2MIR:mIeeJfG+LNzecKiVfaBiHXU9pTI

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6882044231:AAEdfz6RtcLc5FDAwOwS8UYabnK3tQ7x4bs/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
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
2596	powershell.exe
2796	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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2760 set thread context of 2816	2760	Invoice Confirmation.exe	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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Invoice Confirmation.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Invoice Confirmation.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
2652	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2816	Invoice Confirmation.exe
2816	Invoice Confirmation.exe
2796	powershell.exe
2596	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2816	Invoice Confirmation.exe
Token: SeDebugPrivilege	2796	powershell.exe
Token: SeDebugPrivilege	2596	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 2796	2760	Invoice Confirmation.exe	30
PID 2760 wrote to memory of 2796	2760	Invoice Confirmation.exe	30
PID 2760 wrote to memory of 2796	2760	Invoice Confirmation.exe	30
PID 2760 wrote to memory of 2796	2760	Invoice Confirmation.exe	30
PID 2760 wrote to memory of 2596	2760	Invoice Confirmation.exe	32
PID 2760 wrote to memory of 2596	2760	Invoice Confirmation.exe	32
PID 2760 wrote to memory of 2596	2760	Invoice Confirmation.exe	32
PID 2760 wrote to memory of 2596	2760	Invoice Confirmation.exe	32
PID 2760 wrote to memory of 2652	2760	Invoice Confirmation.exe	33
PID 2760 wrote to memory of 2652	2760	Invoice Confirmation.exe	33
PID 2760 wrote to memory of 2652	2760	Invoice Confirmation.exe	33
PID 2760 wrote to memory of 2652	2760	Invoice Confirmation.exe	33
PID 2760 wrote to memory of 2816	2760	Invoice Confirmation.exe	36
PID 2760 wrote to memory of 2816	2760	Invoice Confirmation.exe	36
PID 2760 wrote to memory of 2816	2760	Invoice Confirmation.exe	36
PID 2760 wrote to memory of 2816	2760	Invoice Confirmation.exe	36
PID 2760 wrote to memory of 2816	2760	Invoice Confirmation.exe	36
PID 2760 wrote to memory of 2816	2760	Invoice Confirmation.exe	36
PID 2760 wrote to memory of 2816	2760	Invoice Confirmation.exe	36
PID 2760 wrote to memory of 2816	2760	Invoice Confirmation.exe	36
PID 2760 wrote to memory of 2816	2760	Invoice Confirmation.exe	36

C:\Users\Admin\AppData\Local\Temp\Invoice Confirmation.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice Confirmation.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2760
- 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\Invoice Confirmation.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2796
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KmihxwKU.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2596
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KmihxwKU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAAC0.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2652
- C:\Users\Admin\AppData\Local\Temp\Invoice Confirmation.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice Confirmation.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2816

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\tmpAAC0.tmp

Filesize
1KB

MD5
cf78337eb0b2be834365602cf7e093e2

SHA1
f8cdffd20a50efeb7bde12e4154f00f4a8cccadb

SHA256
218edf59ceb85ac08c62ebb30426db22c1f6c1cda45b6e9d0d974ae06864ecde

SHA512
d9bdc3ebdc5bb3f91e41c6c4b9a08cf4a92b1af36405a9cdaf94e3a6fe066af9d34de9f73a793b092700733a37da0e80a06679883e7d46e5f50f23a61a7dca0f

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

Filesize
7KB

MD5
11f0fc2fb7c0edeb652725982c7896c2

SHA1
8c1ea416c6858a7e8d1c25e705a9c724d154475e

SHA256
9f512a709d42b834d918f2b90a39ba2f56eced23730bf99af8e9a56ea33f88c3

SHA512
556e3cbd981603c78a627200a2a92e85a84e170e419d8cfcc61649cd4095d56f6815ef04bd31f92a1a6f3b1ac416505e83da84eab896bb02c55929ced06df12d

Download Submit
memory/2760-4-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

Filesize
4KB

Download
memory/2760-32-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2760-0-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

Filesize
4KB

Download
memory/2760-5-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2760-6-0x0000000000CB0000-0x0000000000D36000-memory.dmp

Filesize
536KB

Download
memory/2760-2-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2760-1-0x00000000011F0000-0x00000000012A6000-memory.dmp

Filesize
728KB

Download
memory/2760-3-0x0000000000710000-0x0000000000728000-memory.dmp

Filesize
96KB

Download
memory/2816-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2816-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2816-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2816-31-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2816-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2816-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2816-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2816-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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