agenttesla | bfb35feac527f72c36d5d4cb5eec3416c77b4de292c588ccd5e4ca7bf88e02cb

General

Target

d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe
Size

1.1MB
MD5

191f43ae815e77b26b39ec8177d4afdd
SHA1

5cbadee9725ce9ba0ca60d9d022ed6a6092ab3d7
SHA256

d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b
SHA512

b103e4bc16b941d9e634f4c9a3244ea369055269122f69d4530a39cb254d4060be25cfe83fd05dcd88c8c773411369cfe16b92362af410645b7989f390f028cf
SSDEEP

12288:9eUaWShbopAJkP3hep2PKd5BaMH87xVwizdzh/sxBN/AFMjqhSj3SOC1ARAa0j1U:pAT0KdfaLxVwizbsxfivhSjU1na0C

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.valvulasthermovalve.cl
Port:
21
Username:
[email protected]
Password:
LILKOOLL14!!

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-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.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
52	api.ipify.org
53	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5084 set thread context of 1560	5084	d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe	97

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1560	d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5084 wrote to memory of 1560	5084	d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe	97
PID 5084 wrote to memory of 1560	5084	d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe	97
PID 5084 wrote to memory of 1560	5084	d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe	97
PID 5084 wrote to memory of 1560	5084	d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe	97
PID 5084 wrote to memory of 1560	5084	d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe	97
PID 5084 wrote to memory of 1560	5084	d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe	97
PID 5084 wrote to memory of 1560	5084	d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe	97
PID 5084 wrote to memory of 1560	5084	d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe

C:\Users\Admin\AppData\Local\Temp\d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe
"C:\Users\Admin\AppData\Local\Temp\d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5084
- C:\Users\Admin\AppData\Local\Temp\d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe
  "C:\Users\Admin\AppData\Local\Temp\d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1560

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\d1e9dc6865130b195b353d3f03e5861ec3b6b03f2db2b481b6463af1d653386b.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1560-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1560-147-0x0000000005940000-0x0000000005950000-memory.dmp

Filesize
64KB

Download
memory/1560-146-0x0000000007960000-0x0000000007B22000-memory.dmp

Filesize
1.8MB

Download
memory/1560-145-0x0000000007740000-0x0000000007790000-memory.dmp

Filesize
320KB

Download
memory/1560-144-0x0000000005940000-0x0000000005950000-memory.dmp

Filesize
64KB

Download
memory/1560-143-0x00000000059C0000-0x0000000005A26000-memory.dmp

Filesize
408KB

Download
memory/5084-136-0x0000000005740000-0x0000000005750000-memory.dmp

Filesize
64KB

Download
memory/5084-139-0x000000000AA80000-0x000000000AB1C000-memory.dmp

Filesize
624KB

Download
memory/5084-138-0x0000000005740000-0x0000000005750000-memory.dmp

Filesize
64KB

Download
memory/5084-137-0x00000000055C0000-0x00000000055CA000-memory.dmp

Filesize
40KB

Download
memory/5084-133-0x0000000000A30000-0x0000000000B58000-memory.dmp

Filesize
1.2MB

Download
memory/5084-135-0x0000000005500000-0x0000000005592000-memory.dmp

Filesize
584KB

Download
memory/5084-134-0x0000000005BB0000-0x0000000006154000-memory.dmp

Filesize
5.6MB

Download

Analysis

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