agenttesla | c63e10d9534c22a4b8c51073288b94c32a428b2871f5739ab71d4e4ca1a19771

General

Target

Purchase contract 23K11-086.exe
Size

680KB
MD5

d87dc3556f0ee0c56863f83c1dfa88ab
SHA1

434f9728b7e5708cc6e3b24cd4df437fb454d5bf
SHA256

024c11134a00bda4eaf6a4528131e86652aaa1c1931d71c2f413c7c133b74c75
SHA512

af6d0be79f90e361a032e97e449b8327d6dac987b53f7b6531c186724664e8a912602088dad62d365d689d41d34d37c12b1439ccf74217d49b4e0806acb2151e
SSDEEP

12288:zYgAfDuHOXCcBq08I209uEE3hctaEqqNs7pK3bvHRu0f730PmPAJs:zYggcGql09bIetaEqqTrxu0o02

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
IOL^xOF9
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-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase contract 23K11-086.exe
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase contract 23K11-086.exe
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase contract 23K11-086.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
40	api.ipify.org
41	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3272 set thread context of 1352	3272	Purchase contract 23K11-086.exe	94

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3272	Purchase contract 23K11-086.exe
3272	Purchase contract 23K11-086.exe
3272	Purchase contract 23K11-086.exe
3272	Purchase contract 23K11-086.exe
1352	Purchase contract 23K11-086.exe
1352	Purchase contract 23K11-086.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3272	Purchase contract 23K11-086.exe
Token: SeDebugPrivilege	1352	Purchase contract 23K11-086.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1352	Purchase contract 23K11-086.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3272 wrote to memory of 3976	3272	Purchase contract 23K11-086.exe	93
PID 3272 wrote to memory of 3976	3272	Purchase contract 23K11-086.exe	93
PID 3272 wrote to memory of 3976	3272	Purchase contract 23K11-086.exe	93
PID 3272 wrote to memory of 1352	3272	Purchase contract 23K11-086.exe	94
PID 3272 wrote to memory of 1352	3272	Purchase contract 23K11-086.exe	94
PID 3272 wrote to memory of 1352	3272	Purchase contract 23K11-086.exe	94
PID 3272 wrote to memory of 1352	3272	Purchase contract 23K11-086.exe	94
PID 3272 wrote to memory of 1352	3272	Purchase contract 23K11-086.exe	94
PID 3272 wrote to memory of 1352	3272	Purchase contract 23K11-086.exe	94
PID 3272 wrote to memory of 1352	3272	Purchase contract 23K11-086.exe	94
PID 3272 wrote to memory of 1352	3272	Purchase contract 23K11-086.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase contract 23K11-086.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase contract 23K11-086.exe

C:\Users\Admin\AppData\Local\Temp\Purchase contract 23K11-086.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase contract 23K11-086.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3272
- C:\Users\Admin\AppData\Local\Temp\Purchase contract 23K11-086.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase contract 23K11-086.exe"
  2⤵
  PID:3976
- C:\Users\Admin\AppData\Local\Temp\Purchase contract 23K11-086.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase contract 23K11-086.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1352

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\Purchase contract 23K11-086.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1352-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1352-21-0x0000000005900000-0x0000000005910000-memory.dmp

Filesize
64KB

Download
memory/1352-20-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/1352-19-0x0000000006F40000-0x0000000006F90000-memory.dmp

Filesize
320KB

Download
memory/1352-18-0x0000000005A10000-0x0000000005A76000-memory.dmp

Filesize
408KB

Download
memory/1352-17-0x0000000005900000-0x0000000005910000-memory.dmp

Filesize
64KB

Download
memory/1352-15-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/3272-10-0x0000000004EA0000-0x0000000004EAA000-memory.dmp

Filesize
40KB

Download
memory/3272-9-0x0000000004CB0000-0x0000000004CC0000-memory.dmp

Filesize
64KB

Download
memory/3272-0-0x0000000000100000-0x00000000001AE000-memory.dmp

Filesize
696KB

Download
memory/3272-11-0x0000000009D30000-0x0000000009DAC000-memory.dmp

Filesize
496KB

Download
memory/3272-8-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/3272-7-0x0000000004E00000-0x0000000004E18000-memory.dmp

Filesize
96KB

Download
memory/3272-6-0x0000000004D60000-0x0000000004DFC000-memory.dmp

Filesize
624KB

Download
memory/3272-16-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/3272-5-0x0000000004A40000-0x0000000004A4A000-memory.dmp

Filesize
40KB

Download
memory/3272-4-0x0000000004CB0000-0x0000000004CC0000-memory.dmp

Filesize
64KB

Download
memory/3272-3-0x0000000004A80000-0x0000000004B12000-memory.dmp

Filesize
584KB

Download
memory/3272-2-0x0000000005130000-0x00000000056D4000-memory.dmp

Filesize
5.6MB

Download
memory/3272-1-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download

Analysis

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