agenttesla | 3eb4f885f807167c64e5e02dd97cc5c90745ab1637b83fa41c91c470ba2900a5

General

Target

Proforma Invoice.exe
Size

720KB
MD5

45f814f560cf45ab1b6207096e13fb58
SHA1

6a2dfa8145e3dfd7c7c66734b7aa4cc994a492b8
SHA256

3081a88581628513f3aeeb4a8a1749302968130017accaef9494458553d19091
SHA512

badcc7052929ef71ed0e2836354fd41bbb13f39857141ba30fc968e9d861060dd209b1d372bc8f9b619711455b5cd36ffb0e36690afabc5717e4cc9f12eb9b83
SSDEEP

12288:+3/9++rrv3dfF4BWOlQoWO7khcRF7NgaB0lDz+d2R+dRg:+31RrrFfF4BWON7kDZUdK

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.procetfreight.co.ke
Port:
587
Username:
[email protected]
Password:
Akass12345#@

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.procetfreight.co.ke
Port:
587
Username:
[email protected]
Password:
Akass12345#@

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/808-15-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	Proforma Invoice.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	Proforma Invoice.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
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma Invoice.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma Invoice.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma Invoice.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 552 set thread context of 808	552	Proforma Invoice.exe	93

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 3 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	Proforma Invoice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Proforma Invoice.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
944	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
552	Proforma Invoice.exe
552	Proforma Invoice.exe
552	Proforma Invoice.exe
552	Proforma Invoice.exe
808	Proforma Invoice.exe
808	Proforma Invoice.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	552	Proforma Invoice.exe
Token: SeDebugPrivilege	808	Proforma Invoice.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 552 wrote to memory of 944	552	Proforma Invoice.exe	91
PID 552 wrote to memory of 944	552	Proforma Invoice.exe	91
PID 552 wrote to memory of 944	552	Proforma Invoice.exe	91
PID 552 wrote to memory of 808	552	Proforma Invoice.exe	93
PID 552 wrote to memory of 808	552	Proforma Invoice.exe	93
PID 552 wrote to memory of 808	552	Proforma Invoice.exe	93
PID 552 wrote to memory of 808	552	Proforma Invoice.exe	93
PID 552 wrote to memory of 808	552	Proforma Invoice.exe	93
PID 552 wrote to memory of 808	552	Proforma Invoice.exe	93
PID 552 wrote to memory of 808	552	Proforma Invoice.exe	93
PID 552 wrote to memory of 808	552	Proforma Invoice.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma Invoice.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma Invoice.exe

C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:552
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fdaNuJezSOVc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp51B5.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:944
- C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp51B5.tmp

Filesize
1KB

MD5
4ed028bd4439755d736974aa914b3b42

SHA1
a081868580fee23674abb7e099787af260ea1a9d

SHA256
fb1f102ec7fb918556401158bccee37f47ae8af42abb2fd9bb4c217adb7369d6

SHA512
55a248cf786fd53d3f74077eca5016192e01253dd98a46be270d72be04de13605fdd3d4916a1f70e465771580d1f66b7a0bc05bd8565c962e81ae54ad0368cfb

Download Submit
memory/552-10-0x0000000007260000-0x00000000072DE000-memory.dmp

Filesize
504KB

Download
memory/552-5-0x0000000005720000-0x000000000572A000-memory.dmp

Filesize
40KB

Download
memory/552-11-0x00000000099D0000-0x0000000009A50000-memory.dmp

Filesize
512KB

Download
memory/552-18-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/552-1-0x0000000000DD0000-0x0000000000E8A000-memory.dmp

Filesize
744KB

Download
memory/552-6-0x0000000006DA0000-0x0000000006E3C000-memory.dmp

Filesize
624KB

Download
memory/552-7-0x0000000005880000-0x0000000005892000-memory.dmp

Filesize
72KB

Download
memory/552-8-0x000000007441E000-0x000000007441F000-memory.dmp

Filesize
4KB

Download
memory/552-9-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/552-0-0x000000007441E000-0x000000007441F000-memory.dmp

Filesize
4KB

Download
memory/552-3-0x0000000005750000-0x00000000057E2000-memory.dmp

Filesize
584KB

Download
memory/552-2-0x0000000005C60000-0x0000000006204000-memory.dmp

Filesize
5.6MB

Download
memory/552-4-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/808-17-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/808-15-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/808-19-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/808-20-0x0000000005600000-0x0000000005618000-memory.dmp

Filesize
96KB

Download
memory/808-21-0x0000000006250000-0x00000000062B6000-memory.dmp

Filesize
408KB

Download
memory/808-22-0x00000000069D0000-0x0000000006A20000-memory.dmp

Filesize
320KB

Download
memory/808-24-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/808-25-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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