agenttesla | a7720d9c99b8af7fa344abd0bd8c03651058765dd2599af1e49edccefc51bc3e

General

Target

Quotation.exe
Size

693KB
MD5

3cbf764a1a2e7ef8b67e3866440ef5b2
SHA1

459444abc519fb5611bb9821cb8dadb427709f68
SHA256

8cd22dab819e345e17da77ecd66073f7a5ca572254f2b61af89c6b4a24d855d1
SHA512

4f99cec24e368800da59adc26709352e81e272aaf9717281eab9021e98da1e96d98f332079309a0e701dc3af9b528c3411f6904c42762b85ec11f15e9a3bb12d
SSDEEP

12288:Iq8RG2iNEanaRdAnSZvoZl7VqBS1rKy/02LYHfb/AfDsm82yAuxpvyrfD:IqqG1uKnSmZl7VZ1rF0db/AfDs2fuxpI

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mggroupfinland.fi
Port:
587
Username:
[email protected]
Password:
Amiramggroup@
Email To:
[email protected]

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
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 2 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe

Looks up external IP address via web service 2 IoCs

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

flow	ioc
37	api.ipify.org
38	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 748 set thread context of 1672	748	Quotation.exe	90

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1672	Quotation.exe
1672	Quotation.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1672	Quotation.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1672	Quotation.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 748 wrote to memory of 1672	748	Quotation.exe	90
PID 748 wrote to memory of 1672	748	Quotation.exe	90
PID 748 wrote to memory of 1672	748	Quotation.exe	90
PID 748 wrote to memory of 1672	748	Quotation.exe	90
PID 748 wrote to memory of 1672	748	Quotation.exe	90
PID 748 wrote to memory of 1672	748	Quotation.exe	90
PID 748 wrote to memory of 1672	748	Quotation.exe	90
PID 748 wrote to memory of 1672	748	Quotation.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe

C:\Users\Admin\AppData\Local\Temp\Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:748
- C:\Users\Admin\AppData\Local\Temp\Quotation.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

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\Quotation.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/748-10-0x0000000006F80000-0x0000000006F8A000-memory.dmp

Filesize
40KB

Download
memory/748-2-0x0000000005F50000-0x00000000064F4000-memory.dmp

Filesize
5.6MB

Download
memory/748-3-0x0000000005A40000-0x0000000005AD2000-memory.dmp

Filesize
584KB

Download
memory/748-4-0x0000000005CC0000-0x0000000005CD0000-memory.dmp

Filesize
64KB

Download
memory/748-5-0x00000000059E0000-0x00000000059EA000-memory.dmp

Filesize
40KB

Download
memory/748-6-0x0000000005CD0000-0x0000000005D6C000-memory.dmp

Filesize
624KB

Download
memory/748-7-0x0000000005CA0000-0x0000000005CAE000-memory.dmp

Filesize
56KB

Download
memory/748-8-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/748-0-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/748-9-0x0000000005CC0000-0x0000000005CD0000-memory.dmp

Filesize
64KB

Download
memory/748-1-0x0000000000F20000-0x0000000000FD4000-memory.dmp

Filesize
720KB

Download
memory/748-16-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/748-11-0x0000000008A90000-0x0000000008B0C000-memory.dmp

Filesize
496KB

Download
memory/1672-15-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/1672-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1672-17-0x00000000057C0000-0x00000000057D0000-memory.dmp

Filesize
64KB

Download
memory/1672-18-0x0000000005750000-0x00000000057B6000-memory.dmp

Filesize
408KB

Download
memory/1672-19-0x0000000006DF0000-0x0000000006E40000-memory.dmp

Filesize
320KB

Download
memory/1672-20-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/1672-21-0x00000000057C0000-0x00000000057D0000-memory.dmp

Filesize
64KB

Download

Analysis

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