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
2696	powershell.exe
2312	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 2116 set thread context of 2092	2116	Invoice Confirmation.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	Invoice Confirmation.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	Invoice Confirmation.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
2896	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2696	powershell.exe
2312	powershell.exe
2092	Invoice Confirmation.exe
2092	Invoice Confirmation.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2696	powershell.exe
Token: SeDebugPrivilege	2312	powershell.exe
Token: SeDebugPrivilege	2092	Invoice Confirmation.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2696	2116	Invoice Confirmation.exe	30
PID 2116 wrote to memory of 2696	2116	Invoice Confirmation.exe	30
PID 2116 wrote to memory of 2696	2116	Invoice Confirmation.exe	30
PID 2116 wrote to memory of 2696	2116	Invoice Confirmation.exe	30
PID 2116 wrote to memory of 2312	2116	Invoice Confirmation.exe	33
PID 2116 wrote to memory of 2312	2116	Invoice Confirmation.exe	33
PID 2116 wrote to memory of 2312	2116	Invoice Confirmation.exe	33
PID 2116 wrote to memory of 2312	2116	Invoice Confirmation.exe	33
PID 2116 wrote to memory of 2896	2116	Invoice Confirmation.exe	34
PID 2116 wrote to memory of 2896	2116	Invoice Confirmation.exe	34
PID 2116 wrote to memory of 2896	2116	Invoice Confirmation.exe	34
PID 2116 wrote to memory of 2896	2116	Invoice Confirmation.exe	34
PID 2116 wrote to memory of 2092	2116	Invoice Confirmation.exe	37
PID 2116 wrote to memory of 2092	2116	Invoice Confirmation.exe	37
PID 2116 wrote to memory of 2092	2116	Invoice Confirmation.exe	37
PID 2116 wrote to memory of 2092	2116	Invoice Confirmation.exe	37
PID 2116 wrote to memory of 2092	2116	Invoice Confirmation.exe	37
PID 2116 wrote to memory of 2092	2116	Invoice Confirmation.exe	37
PID 2116 wrote to memory of 2092	2116	Invoice Confirmation.exe	37
PID 2116 wrote to memory of 2092	2116	Invoice Confirmation.exe	37
PID 2116 wrote to memory of 2092	2116	Invoice Confirmation.exe	37

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:2116
- 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:2696
- 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:2312
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KmihxwKU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCBA8.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2896
- 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:2092

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\tmpCBA8.tmp

Filesize
1KB

MD5
5970353fabeac22ad8b1a2b5d2cd39aa

SHA1
62ad194b731ec87bd8cca47970b0bdbfc68fd4fc

SHA256
4a5176cc876988ee7de244b8e0b149e940d36a837b54ac2fd594b19600fbd81f

SHA512
a0921d19f4f750dd9e792ff2199f2051cada749b11d5fa6b2587efb5ec648773fdbf662a22fa2d95c0277a58a361d68b437afb377d2e03c1d5bfda31ff4cc4b8

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

Filesize
7KB

MD5
d05ee97d3332d81d05c5f6653080c6f7

SHA1
eb0f6b96b47493c47a85cae4fd2ef241015407c4

SHA256
3447363d0c25dfcd967a017dce3e5ed6f9aa7d851bae05bf74b6da5cacbeeb99

SHA512
3e859bf389b664e2c4394d3e572b60e429efa718d8300c78d9ad336b50abd963c293ef64eba8f6e165016d33ea7b3900b995fdafcbf9ab872133ae01fa8a44d7

Download Submit
memory/2092-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2092-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2092-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2092-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2092-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2092-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2092-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2092-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2116-6-0x0000000004C70000-0x0000000004CF6000-memory.dmp

Filesize
536KB

Download
memory/2116-31-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/2116-0-0x00000000748BE000-0x00000000748BF000-memory.dmp

Filesize
4KB

Download
memory/2116-1-0x0000000000970000-0x0000000000A26000-memory.dmp

Filesize
728KB

Download
memory/2116-2-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/2116-3-0x0000000000550000-0x0000000000568000-memory.dmp

Filesize
96KB

Download
memory/2116-5-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/2116-4-0x00000000748BE000-0x00000000748BF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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