agenttesla | 6ef3a6302326903ef728eefd2b58031cd936b9b6fe46507ea7aadf6518975701

General

Target

Purchase order.exe
Size

1019KB
MD5

7226470353687f75d5452206c78845a2
SHA1

8f6770bed41c1308978680774c20b3d5332b1694
SHA256

6ef3a6302326903ef728eefd2b58031cd936b9b6fe46507ea7aadf6518975701
SHA512

208d5d135cd1bf733a66584615eea5505954dfac28790192ea976006f833878b1a00223ed92a3e291381d5ab627410bd80274fd6cb5ecb6998adfd801a8bc62f
SSDEEP

12288:T3mY2iNw0+9MKdSN6zFQ7AQqu3Y8QADqjJ5n1OBpQh7e4ptrqNdfp90yxs:T3x1Iey82CquY86jr

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.hussain-co.com
Port:
587
Username:
[email protected]
Password:
%%finance_@2018%

Signatures

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

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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	Purchase order.exe

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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1104 set thread context of 4456	1104	Purchase order.exe	91

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
3748	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4456	Purchase order.exe
4456	Purchase order.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4456	Purchase order.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1104 wrote to memory of 3748	1104	Purchase order.exe	89
PID 1104 wrote to memory of 3748	1104	Purchase order.exe	89
PID 1104 wrote to memory of 3748	1104	Purchase order.exe	89
PID 1104 wrote to memory of 4456	1104	Purchase order.exe	91
PID 1104 wrote to memory of 4456	1104	Purchase order.exe	91
PID 1104 wrote to memory of 4456	1104	Purchase order.exe	91
PID 1104 wrote to memory of 4456	1104	Purchase order.exe	91
PID 1104 wrote to memory of 4456	1104	Purchase order.exe	91
PID 1104 wrote to memory of 4456	1104	Purchase order.exe	91
PID 1104 wrote to memory of 4456	1104	Purchase order.exe	91
PID 1104 wrote to memory of 4456	1104	Purchase order.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe

C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1104
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aYmnaw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF8AD.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3748
- C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4456

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Purchase order.exe.log

Filesize
1KB

MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF8AD.tmp

Filesize
1KB

MD5
86f9cafcea8abf84984e6b5818a142eb

SHA1
3359012e7dedfb57de79e2c23b96ee44754ba406

SHA256
55a43c24751e566693b65d3503e853e28d3da3caee8a6c40acd70b18ff13ce84

SHA512
2088f89479fa7b33660a8a6933d5e59d0bbfe9b41df532928907394f873302b296d0e81b37106162be6c4b050f8a55c6997afb4dac824b29f6c88b39856fbfb5

Download Submit
memory/1104-132-0x0000000000CA0000-0x0000000000DA4000-memory.dmp

Filesize
1.0MB

Download
memory/1104-133-0x0000000005D70000-0x0000000006314000-memory.dmp

Filesize
5.6MB

Download
memory/1104-134-0x00000000057C0000-0x0000000005852000-memory.dmp

Filesize
584KB

Download
memory/1104-135-0x0000000005860000-0x00000000058FC000-memory.dmp

Filesize
624KB

Download
memory/1104-136-0x0000000005740000-0x000000000574A000-memory.dmp

Filesize
40KB

Download
memory/4456-140-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4456-142-0x0000000006530000-0x0000000006596000-memory.dmp

Filesize
408KB

Download
memory/4456-143-0x0000000006C70000-0x0000000006CC0000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads