agenttesla | e068262e4c1807050558428bab480871a43ceb983ab6c427454ffcb1a205aafa

General

Target

z15Payment27_06_2023.exe
Size

644KB
MD5

321850c5a150f6fa4adab3b1772169f3
SHA1

65311a6c52e86cdc07bbc4897defb46d79f26698
SHA256

e068262e4c1807050558428bab480871a43ceb983ab6c427454ffcb1a205aafa
SHA512

80934ca8ce8e579fd670a583950ac17dcb58c399a877375ae4a815958ecdda6e2c22a06e78504f119ee6e9099534c11c56d5154bfb82e853882269bd43f1ce9a
SSDEEP

12288:A2iNMyiRJU/Wcuf+w/FltbzfJSTROpto1WASZZyE/NrqzZhnDENgTUcxSj0p6:A1FFeNT/FlpqROpkWA+d/NrcZN4sSjO6

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.kiequiprosmedicos.com
Port:
587
Username:
[email protected]
Password:
V3nta5dav
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-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z15Payment27_06_2023.exe
Key opened	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z15Payment27_06_2023.exe
Key opened	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z15Payment27_06_2023.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
56	api.ipify.org
57	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1760 set thread context of 4672	1760	z15Payment27_06_2023.exe	98

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1760	z15Payment27_06_2023.exe
1760	z15Payment27_06_2023.exe
1760	z15Payment27_06_2023.exe
1760	z15Payment27_06_2023.exe
1760	z15Payment27_06_2023.exe
1760	z15Payment27_06_2023.exe
1760	z15Payment27_06_2023.exe
1760	z15Payment27_06_2023.exe
1760	z15Payment27_06_2023.exe
4672	z15Payment27_06_2023.exe
4672	z15Payment27_06_2023.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1760	z15Payment27_06_2023.exe
Token: SeDebugPrivilege	4672	z15Payment27_06_2023.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 4672	1760	z15Payment27_06_2023.exe	98
PID 1760 wrote to memory of 4672	1760	z15Payment27_06_2023.exe	98
PID 1760 wrote to memory of 4672	1760	z15Payment27_06_2023.exe	98
PID 1760 wrote to memory of 4672	1760	z15Payment27_06_2023.exe	98
PID 1760 wrote to memory of 4672	1760	z15Payment27_06_2023.exe	98
PID 1760 wrote to memory of 4672	1760	z15Payment27_06_2023.exe	98
PID 1760 wrote to memory of 4672	1760	z15Payment27_06_2023.exe	98
PID 1760 wrote to memory of 4672	1760	z15Payment27_06_2023.exe	98

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z15Payment27_06_2023.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z15Payment27_06_2023.exe

C:\Users\Admin\AppData\Local\Temp\z15Payment27_06_2023.exe
"C:\Users\Admin\AppData\Local\Temp\z15Payment27_06_2023.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Users\Admin\AppData\Local\Temp\z15Payment27_06_2023.exe
  "C:\Users\Admin\AppData\Local\Temp\z15Payment27_06_2023.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4672

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\z15Payment27_06_2023.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1760-10-0x0000000005F30000-0x0000000005FAC000-memory.dmp

Filesize
496KB

Download
memory/1760-2-0x0000000005670000-0x0000000005C14000-memory.dmp

Filesize
5.6MB

Download
memory/1760-3-0x0000000004FB0000-0x0000000005042000-memory.dmp

Filesize
584KB

Download
memory/1760-4-0x0000000004F90000-0x0000000004FA0000-memory.dmp

Filesize
64KB

Download
memory/1760-5-0x0000000005080000-0x000000000508A000-memory.dmp

Filesize
40KB

Download
memory/1760-6-0x0000000005090000-0x00000000050AA000-memory.dmp

Filesize
104KB

Download
memory/1760-7-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/1760-8-0x0000000004F90000-0x0000000004FA0000-memory.dmp

Filesize
64KB

Download
memory/1760-0-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/1760-9-0x0000000005070000-0x000000000507C000-memory.dmp

Filesize
48KB

Download
memory/1760-1-0x0000000000570000-0x0000000000618000-memory.dmp

Filesize
672KB

Download
memory/1760-16-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/1760-11-0x0000000008510000-0x00000000085AC000-memory.dmp

Filesize
624KB

Download
memory/4672-15-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/4672-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4672-17-0x00000000052D0000-0x00000000052E0000-memory.dmp

Filesize
64KB

Download
memory/4672-18-0x0000000005350000-0x00000000053B6000-memory.dmp

Filesize
408KB

Download
memory/4672-19-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/4672-20-0x00000000052D0000-0x00000000052E0000-memory.dmp

Filesize
64KB

Download
memory/4672-21-0x0000000006B30000-0x0000000006B80000-memory.dmp

Filesize
320KB

Download

Analysis

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