agenttesla | ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529

General

Target

ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe
Size

557KB
MD5

1311021e7a5152af89ecb3c6b5c0a3f9
SHA1

6c760a23a897a546b5cf0d5d1f3ed9517a447735
SHA256

ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529
SHA512

9426ce046323569abdd099e2a369a56194eab387c9c7633b1b40d3d2c3c9b64fabff7227dee5a2b3b998de735cec5f5be5c14c3961da43609e5e14cfa6601086

Score

10^/10

agenttesla metastealer collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.vasudeva.in
Port:
587
Username:
[email protected]
Password:
LX]qc_t8?^a%P#}X;o

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Meta Stealer Stealer
Meta Stealer steals passwords stored in browsers, written in C++.
stealer metastealer

AgentTesla Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2856-140-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe

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-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.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
54	api.ipify.org
55	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1660 set thread context of 2856	1660	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe	93

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1732	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1660	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe
2856	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe
2856	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1660	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe
Token: SeDebugPrivilege	2856	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 1732	1660	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe	91
PID 1660 wrote to memory of 1732	1660	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe	91
PID 1660 wrote to memory of 1732	1660	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe	91
PID 1660 wrote to memory of 2856	1660	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe	93
PID 1660 wrote to memory of 2856	1660	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe	93
PID 1660 wrote to memory of 2856	1660	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe	93
PID 1660 wrote to memory of 2856	1660	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe	93
PID 1660 wrote to memory of 2856	1660	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe	93
PID 1660 wrote to memory of 2856	1660	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe	93
PID 1660 wrote to memory of 2856	1660	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe	93
PID 1660 wrote to memory of 2856	1660	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe

C:\Users\Admin\AppData\Local\Temp\ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe
"C:\Users\Admin\AppData\Local\Temp\ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ydhzbrfHJiVIcu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDFCE.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1732
- C:\Users\Admin\AppData\Local\Temp\ff7d18f09919d454ae3c56566967e92f9e411b0040163137b401aea7d8465529.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2856

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1KB

MD5
5f1511465d892faac364bf40ff1f2ab7

SHA1
1b5f1e52c62d794ee2256e595ef1413b46636687

SHA256
13f5113b88983f14bdcf232cfcb1371b36f3166e08aa6f208e3306896755b6a0

SHA512
9c2dad1e00f349e9d8649f8eeb6a5799d8667472a0db6909f9d76cf374e60619d334b22e66cc2538bf7ebe071a12d4fed6a435af2307b67f716701d88e31d14b

Download Submit
memory/1660-131-0x0000000000790000-0x0000000000822000-memory.dmp

Filesize
584KB

Download
memory/1660-132-0x0000000005880000-0x0000000005E24000-memory.dmp

Filesize
5.6MB

Download
memory/1660-133-0x00000000051D0000-0x0000000005262000-memory.dmp

Filesize
584KB

Download
memory/1660-134-0x0000000005280000-0x000000000528A000-memory.dmp

Filesize
40KB

Download
memory/1660-135-0x0000000007B40000-0x000000000806C000-memory.dmp

Filesize
5.2MB

Download
memory/1660-136-0x0000000008430000-0x00000000084CC000-memory.dmp

Filesize
624KB

Download
memory/2856-140-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2856-141-0x0000000005A20000-0x0000000005A86000-memory.dmp

Filesize
408KB

Download
memory/2856-142-0x0000000006E10000-0x0000000006E60000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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