agenttesla | d44c2fdc11095eac5b1e8e8c3746d0194d389f1ddc2d501b8361b8ade5948539

General

Target

June_New_Order_PDF.exe
Size

964KB
MD5

3ed2e76a807e8aa3c2201955eba0bcdd
SHA1

2443390bd8f7ebdd3f32c4bd34eb96237c438220
SHA256

21afd28ee430548fc6e79700fee08f4c4a22e4d22fb12ad0bcc72f4df6f25540
SHA512

e3ecf1ba8717410d0f1e19c7170be7b1dd6017b581614888da2cafc07ec7ead5e7ee82ad37b71ad6629c037899171b0af0c4d4d6ca813cd02c53ec2179442863
SSDEEP

12288:bcj6FsVWu/bRdznRN42ATAzxZ/brCyIftPL2L3cr:IVgu/bRdP42/Z/SyIftPqL

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6225886424:AAE04Y_inojm0Tzj3dwMSlWwGuV885bHLak/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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-1-5-21-922299981-3641064733-3870770889-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	June_New_Order_PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-922299981-3641064733-3870770889-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	June_New_Order_PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-922299981-3641064733-3870770889-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	June_New_Order_PDF.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
57	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3112 set thread context of 4648	3112	June_New_Order_PDF.exe	102

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4648	June_New_Order_PDF.exe
4648	June_New_Order_PDF.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4648	June_New_Order_PDF.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4648	June_New_Order_PDF.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3112 wrote to memory of 4648	3112	June_New_Order_PDF.exe	102
PID 3112 wrote to memory of 4648	3112	June_New_Order_PDF.exe	102
PID 3112 wrote to memory of 4648	3112	June_New_Order_PDF.exe	102
PID 3112 wrote to memory of 4648	3112	June_New_Order_PDF.exe	102
PID 3112 wrote to memory of 4648	3112	June_New_Order_PDF.exe	102
PID 3112 wrote to memory of 4648	3112	June_New_Order_PDF.exe	102
PID 3112 wrote to memory of 4648	3112	June_New_Order_PDF.exe	102
PID 3112 wrote to memory of 4648	3112	June_New_Order_PDF.exe	102

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-922299981-3641064733-3870770889-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	June_New_Order_PDF.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-922299981-3641064733-3870770889-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	June_New_Order_PDF.exe

C:\Users\Admin\AppData\Local\Temp\June_New_Order_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\June_New_Order_PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3112
- C:\Users\Admin\AppData\Local\Temp\June_New_Order_PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\June_New_Order_PDF.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4648

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/3112-139-0x000000000AE30000-0x000000000AECC000-memory.dmp

Filesize
624KB

Download
memory/3112-135-0x00000000056C0000-0x0000000005752000-memory.dmp

Filesize
584KB

Download
memory/3112-136-0x0000000005640000-0x000000000564A000-memory.dmp

Filesize
40KB

Download
memory/3112-137-0x0000000003190000-0x00000000031A0000-memory.dmp

Filesize
64KB

Download
memory/3112-138-0x0000000003190000-0x00000000031A0000-memory.dmp

Filesize
64KB

Download
memory/3112-133-0x0000000000B90000-0x0000000000C88000-memory.dmp

Filesize
992KB

Download
memory/3112-134-0x0000000005DD0000-0x0000000006374000-memory.dmp

Filesize
5.6MB

Download
memory/4648-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4648-143-0x0000000004F00000-0x0000000004F66000-memory.dmp

Filesize
408KB

Download
memory/4648-144-0x0000000004F90000-0x0000000004FA0000-memory.dmp

Filesize
64KB

Download
memory/4648-145-0x0000000004F90000-0x0000000004FA0000-memory.dmp

Filesize
64KB

Download
memory/4648-146-0x00000000066C0000-0x0000000006710000-memory.dmp

Filesize
320KB

Download
memory/4648-147-0x00000000068E0000-0x0000000006AA2000-memory.dmp

Filesize
1.8MB

Download

Analysis

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