agenttesla | c452ba862b2c4cbef822e43e74a90ef15b67685ce610889bbce6abb9fe27216e

General

Target

STATEMENT OF ACCOUNT.exe
Size

314KB
MD5

1427fec2cb5f8c7e4f2af9fe5bb48086
SHA1

a54121f29218dd822503020efae91c9cdfb14643
SHA256

c8676f5a35ecf028d928368d10e861e4c6e803438861ebf02e7256a6f9bb497b
SHA512

19dfa98e331c69ce5c374e8c29a3af48a7757854ea7d2bc34b2d55ae4e8a083b1218707c7dbb3ac8215f84a1563947e1e6a134e4a8e4040c490d3ed677716f19
SSDEEP

6144:MEa0NxCnC74exjZFQTND5d48RZE55ZSJMmiDOEb/95SLRICaTVYEcgbvGyVU42J:XxCCpxFFQTPd48ReDZS86K/9cVIjTVYV

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Executes dropped EXE 2 IoCs

pid	Process
5044	vgvenv.exe
1148	vgvenv.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-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vgvenv.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vgvenv.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vgvenv.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xcqmrxm = "C:\\Users\\Admin\\AppData\\Roaming\\diogk\\aijlktpybtdjqm.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\vgvenv.exe\" C:\\Users\\Admin\\AppData\\Loca"	vgvenv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MYAPP = "C:\\Users\\Admin\\AppData\\Roaming\\MYAPP\\MYAPP.exe"	vgvenv.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
11	api.ipify.org
12	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5044 set thread context of 1148	5044	vgvenv.exe	85

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1148	vgvenv.exe
1148	vgvenv.exe
1148	vgvenv.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
5044	vgvenv.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1148	vgvenv.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 5044	5056	STATEMENT OF ACCOUNT.exe	83
PID 5056 wrote to memory of 5044	5056	STATEMENT OF ACCOUNT.exe	83
PID 5056 wrote to memory of 5044	5056	STATEMENT OF ACCOUNT.exe	83
PID 5044 wrote to memory of 1148	5044	vgvenv.exe	85
PID 5044 wrote to memory of 1148	5044	vgvenv.exe	85
PID 5044 wrote to memory of 1148	5044	vgvenv.exe	85
PID 5044 wrote to memory of 1148	5044	vgvenv.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vgvenv.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vgvenv.exe

C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.exe
"C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5056
- C:\Users\Admin\AppData\Local\Temp\vgvenv.exe
  "C:\Users\Admin\AppData\Local\Temp\vgvenv.exe" C:\Users\Admin\AppData\Local\Temp\zlbfcobun.g
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:5044
- - C:\Users\Admin\AppData\Local\Temp\vgvenv.exe
    "C:\Users\Admin\AppData\Local\Temp\vgvenv.exe" C:\Users\Admin\AppData\Local\Temp\zlbfcobun.g
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:1148

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

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\Temp\kvidzlfj.gb

Filesize
296KB

MD5
86865cd90ab3793d650eaef744b38411

SHA1
4fa651cb57fbb93eeefd9d10f7c93cb8aa8f2dc5

SHA256
becb28209b97fc842142c31e19d7e7262fdac5983a771d4f08aea8ba57d8a396

SHA512
aa5c8b35eac6bcfebbc62c9053a985375d914c94ce5fb5334b786c8f9f8b816f6724515da64c954da2b4bff43dec726ccce572dee4585d7a9a49015fbe4d968d

Download Submit
C:\Users\Admin\AppData\Local\Temp\vgvenv.exe

Filesize
7KB

MD5
032fa6d702f61e0551bb37bb5a325db3

SHA1
4f48b0be98d60118399383dc87bb3a1a0c384a70

SHA256
5d9573dc21ee4fd34d2d2127b515181fcff0926c8fbfbf794daed88ea75c8742

SHA512
7c8a25c06ccac4797ec175d9d284ac4716e9315679aab0bafc587bdf0cfbb4c5bd8e970d86ab9a990c0a4785502ccc404aed25e69816f8574a2d4fa1127a71ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\vgvenv.exe

Filesize
7KB

MD5
032fa6d702f61e0551bb37bb5a325db3

SHA1
4f48b0be98d60118399383dc87bb3a1a0c384a70

SHA256
5d9573dc21ee4fd34d2d2127b515181fcff0926c8fbfbf794daed88ea75c8742

SHA512
7c8a25c06ccac4797ec175d9d284ac4716e9315679aab0bafc587bdf0cfbb4c5bd8e970d86ab9a990c0a4785502ccc404aed25e69816f8574a2d4fa1127a71ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\vgvenv.exe

Filesize
7KB

MD5
032fa6d702f61e0551bb37bb5a325db3

SHA1
4f48b0be98d60118399383dc87bb3a1a0c384a70

SHA256
5d9573dc21ee4fd34d2d2127b515181fcff0926c8fbfbf794daed88ea75c8742

SHA512
7c8a25c06ccac4797ec175d9d284ac4716e9315679aab0bafc587bdf0cfbb4c5bd8e970d86ab9a990c0a4785502ccc404aed25e69816f8574a2d4fa1127a71ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\zlbfcobun.g

Filesize
7KB

MD5
d22fdd5018395bf1a71cf8a94ce4304c

SHA1
f54083c68ab1a6890e0eb1185666ce03ac2cf440

SHA256
5a364ea1e71795f9e887bae20bb2b5f5ff8f21607974b19ab5a8e627f0257f4b

SHA512
bf458c3ab20b1504e15b399aff007cd7429f86912a0cffa43bdac9d185d8185f85e5c9d204c7d10aa17f681ccccdc50e5ead29bee90592fb8da379c2c38aa823

Download Submit
memory/1148-139-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1148-140-0x0000000006000000-0x00000000065A4000-memory.dmp

Filesize
5.6MB

Download
memory/1148-141-0x0000000005900000-0x000000000599C000-memory.dmp

Filesize
624KB

Download
memory/1148-142-0x00000000068C0000-0x0000000006926000-memory.dmp

Filesize
408KB

Download
memory/1148-143-0x0000000007100000-0x0000000007150000-memory.dmp

Filesize
320KB

Download
memory/1148-144-0x0000000007230000-0x00000000072C2000-memory.dmp

Filesize
584KB

Download
memory/1148-145-0x0000000007450000-0x000000000745A000-memory.dmp

Filesize
40KB

Download

Analysis

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