agenttesla | 88351cfa5cc36c972702078db0b2eafcac540a88ad497428b24090fa6d1a119b

General

Target

1249d019671494f72d4c416ce9b7cf6523ac63eca06dad4da4eaf936d3e36888.exe
Size

724KB
MD5

1f5425252166f69bad7420ce09829d70
SHA1

2585a30c19e80197478bbf726a61f5958961f5de
SHA256

1249d019671494f72d4c416ce9b7cf6523ac63eca06dad4da4eaf936d3e36888
SHA512

6c13d5a5a6b3bb14510fedfd22695b9416c6b8b5166bfe556f814a02736151725aa398ffb962da3a5e209877512519d85df7659d5d5f7902b960d624a1e76e4e
SSDEEP

12288:OOqYzzl06/TgTU4zMh2afkP2HhGJNJCuVijS10rudAOxxiniIzooI8:Nl06MFC2afkP2BGZQK0POPiiILI8

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6150028123:AAEEd2A6XOEJtW6RYKc7tExhq48wfha9Eug/

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-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1249d019671494f72d4c416ce9b7cf6523ac63eca06dad4da4eaf936d3e36888.exe
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1249d019671494f72d4c416ce9b7cf6523ac63eca06dad4da4eaf936d3e36888.exe
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1249d019671494f72d4c416ce9b7cf6523ac63eca06dad4da4eaf936d3e36888.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
48	api.ipify.org
49	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4432 set thread context of 808	4432	1249d019671494f72d4c416ce9b7cf6523ac63eca06dad4da4eaf936d3e36888.exe	93

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	808	1249d019671494f72d4c416ce9b7cf6523ac63eca06dad4da4eaf936d3e36888.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4432 wrote to memory of 808	4432	1249d019671494f72d4c416ce9b7cf6523ac63eca06dad4da4eaf936d3e36888.exe	93
PID 4432 wrote to memory of 808	4432	1249d019671494f72d4c416ce9b7cf6523ac63eca06dad4da4eaf936d3e36888.exe	93
PID 4432 wrote to memory of 808	4432	1249d019671494f72d4c416ce9b7cf6523ac63eca06dad4da4eaf936d3e36888.exe	93
PID 4432 wrote to memory of 808	4432	1249d019671494f72d4c416ce9b7cf6523ac63eca06dad4da4eaf936d3e36888.exe	93
PID 4432 wrote to memory of 808	4432	1249d019671494f72d4c416ce9b7cf6523ac63eca06dad4da4eaf936d3e36888.exe	93
PID 4432 wrote to memory of 808	4432	1249d019671494f72d4c416ce9b7cf6523ac63eca06dad4da4eaf936d3e36888.exe	93
PID 4432 wrote to memory of 808	4432	1249d019671494f72d4c416ce9b7cf6523ac63eca06dad4da4eaf936d3e36888.exe	93
PID 4432 wrote to memory of 808	4432	1249d019671494f72d4c416ce9b7cf6523ac63eca06dad4da4eaf936d3e36888.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1249d019671494f72d4c416ce9b7cf6523ac63eca06dad4da4eaf936d3e36888.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1249d019671494f72d4c416ce9b7cf6523ac63eca06dad4da4eaf936d3e36888.exe

C:\Users\Admin\AppData\Local\Temp\1249d019671494f72d4c416ce9b7cf6523ac63eca06dad4da4eaf936d3e36888.exe
"C:\Users\Admin\AppData\Local\Temp\1249d019671494f72d4c416ce9b7cf6523ac63eca06dad4da4eaf936d3e36888.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4432
- C:\Users\Admin\AppData\Local\Temp\1249d019671494f72d4c416ce9b7cf6523ac63eca06dad4da4eaf936d3e36888.exe
  "C:\Users\Admin\AppData\Local\Temp\1249d019671494f72d4c416ce9b7cf6523ac63eca06dad4da4eaf936d3e36888.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:808

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\1249d019671494f72d4c416ce9b7cf6523ac63eca06dad4da4eaf936d3e36888.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/808-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/808-147-0x0000000005510000-0x0000000005520000-memory.dmp

Filesize
64KB

Download
memory/808-146-0x0000000007400000-0x00000000075C2000-memory.dmp

Filesize
1.8MB

Download
memory/808-145-0x00000000071E0000-0x0000000007230000-memory.dmp

Filesize
320KB

Download
memory/808-144-0x0000000005510000-0x0000000005520000-memory.dmp

Filesize
64KB

Download
memory/808-143-0x0000000005590000-0x00000000055F6000-memory.dmp

Filesize
408KB

Download
memory/4432-136-0x00000000059E0000-0x00000000059EA000-memory.dmp

Filesize
40KB

Download
memory/4432-139-0x0000000008450000-0x00000000084EC000-memory.dmp

Filesize
624KB

Download
memory/4432-138-0x00000000058B0000-0x00000000058C0000-memory.dmp

Filesize
64KB

Download
memory/4432-137-0x00000000058B0000-0x00000000058C0000-memory.dmp

Filesize
64KB

Download
memory/4432-133-0x0000000000EC0000-0x0000000000F7C000-memory.dmp

Filesize
752KB

Download
memory/4432-135-0x0000000005930000-0x00000000059C2000-memory.dmp

Filesize
584KB

Download
memory/4432-134-0x0000000005FE0000-0x0000000006584000-memory.dmp

Filesize
5.6MB

Download

Analysis

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