agenttesla | ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c

General

Target

ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe
Size

853KB
MD5

2ed6b552b5c13791f7dcaa2fd9a3f302
SHA1

55f119b484ffebd0ece50a7fae65808d638d1e4f
SHA256

ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c
SHA512

e80c225bf649a60d8fffa8afe0aa9cf5bbff80ac3950ab77ef1cb414d4d050fcc2cd8acf62d73e57b53aa70df37fd104be6bf73586748cdcecfcd85612ad03d4
SSDEEP

24576:OKxM2Ss09ILUfkU3sZiefAqe+BPpLaz7iNYd2rgn:OsMrzIIfkRZiFq7pLyKYdcgn

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.midhcodistribuciones.com
Port:
21
Username:
[email protected]
Password:
,A7}+JV4KExQ

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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

Looks up external IP address via web service 1 IoCs

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

flow	ioc
6	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 320 set thread context of 2012	320	ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2012	ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe
2012	ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2012	ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 320 wrote to memory of 2012	320	ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe	30
PID 320 wrote to memory of 2012	320	ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe	30
PID 320 wrote to memory of 2012	320	ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe	30
PID 320 wrote to memory of 2012	320	ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe	30
PID 320 wrote to memory of 2012	320	ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe	30
PID 320 wrote to memory of 2012	320	ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe	30
PID 320 wrote to memory of 2012	320	ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe	30
PID 320 wrote to memory of 2012	320	ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe	30
PID 320 wrote to memory of 2012	320	ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe	30

C:\Users\Admin\AppData\Local\Temp\ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe
"C:\Users\Admin\AppData\Local\Temp\ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:320
- C:\Users\Admin\AppData\Local\Temp\ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe
  "C:\Users\Admin\AppData\Local\Temp\ff91ba5708d63898bb46549107dc2e7b6945d968e1f629ccbe679ad575c1721c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabAFD1.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarAFF3.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/320-96-0x00000000066B0000-0x0000000006734000-memory.dmp

Filesize
528KB

Download
memory/320-2-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/320-1-0x0000000000E60000-0x0000000000F38000-memory.dmp

Filesize
864KB

Download
memory/320-91-0x00000000065E0000-0x00000000066B0000-memory.dmp

Filesize
832KB

Download
memory/320-92-0x00000000008D0000-0x00000000008EA000-memory.dmp

Filesize
104KB

Download
memory/320-93-0x000000007430E000-0x000000007430F000-memory.dmp

Filesize
4KB

Download
memory/320-94-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/320-95-0x00000000007D0000-0x00000000007DE000-memory.dmp

Filesize
56KB

Download
memory/320-0-0x000000007430E000-0x000000007430F000-memory.dmp

Filesize
4KB

Download
memory/320-110-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/2012-108-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2012-104-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2012-106-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2012-109-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/2012-98-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2012-111-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/2012-102-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2012-100-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2012-99-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2012-97-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2012-112-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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