agenttesla | 4896d44c5a38409245c325f61876345a7ee8d8741905af4c0d2910baa2386dbc

General

Target

Documents.exe
Size

1.1MB
MD5

870c75311ace0bfc0493e146683aa461
SHA1

40a14357cf0a5e660f420959b9aa2e39860fe71e
SHA256

4896d44c5a38409245c325f61876345a7ee8d8741905af4c0d2910baa2386dbc
SHA512

d67fd1df37dfe1a23a4ca142a0e9b69e0a0921ed894c67585198f026fcbce1dbf2462d2d453bd33be76e7093fd5752d9f80643761c26453308461e3dae1a0b34
SSDEEP

24576:e+12zVZ97VL7N9Eapjbj6UsgkfE7b4Z1bQkv65:DAR37HPe6GZZ/

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.rapidcheckng.com
Port:
587
Username:
[email protected]
Password:
@Rapidcheckng#
Email To:
[email protected]

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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.

Processes:

flow ioc

5 api.ipify.org
4 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Documents.exe

description pid process target process

PID 1980 set thread context of 1336 1980 Documents.exe RegSvcs.exe
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

Processes:

schtasks.exe

pid process

1340 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Documents.exepowershell.exe

pid process

1980 Documents.exe
1980 Documents.exe
1096 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Documents.exeRegSvcs.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1980 Documents.exe
Token: SeDebugPrivilege 1336 RegSvcs.exe
Token: SeDebugPrivilege 1096 powershell.exe

flow	ioc
5	api.ipify.org
4	api.ipify.org

description	pid	process	target process
PID 1980 set thread context of 1336	1980	Documents.exe	RegSvcs.exe

pid	process
1340	schtasks.exe

pid	process
1980	Documents.exe
1980	Documents.exe
1096	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1980	Documents.exe
Token: SeDebugPrivilege	1336	RegSvcs.exe
Token: SeDebugPrivilege	1096	powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

Documents.exe

description	pid	process	target process
PID 1980 wrote to memory of 1096	1980	Documents.exe	powershell.exe
PID 1980 wrote to memory of 1096	1980	Documents.exe	powershell.exe
PID 1980 wrote to memory of 1096	1980	Documents.exe	powershell.exe
PID 1980 wrote to memory of 1096	1980	Documents.exe	powershell.exe
PID 1980 wrote to memory of 1340	1980	Documents.exe	schtasks.exe
PID 1980 wrote to memory of 1340	1980	Documents.exe	schtasks.exe
PID 1980 wrote to memory of 1340	1980	Documents.exe	schtasks.exe
PID 1980 wrote to memory of 1340	1980	Documents.exe	schtasks.exe
PID 1980 wrote to memory of 1336	1980	Documents.exe	RegSvcs.exe
PID 1980 wrote to memory of 1336	1980	Documents.exe	RegSvcs.exe
PID 1980 wrote to memory of 1336	1980	Documents.exe	RegSvcs.exe
PID 1980 wrote to memory of 1336	1980	Documents.exe	RegSvcs.exe
PID 1980 wrote to memory of 1336	1980	Documents.exe	RegSvcs.exe
PID 1980 wrote to memory of 1336	1980	Documents.exe	RegSvcs.exe
PID 1980 wrote to memory of 1336	1980	Documents.exe	RegSvcs.exe
PID 1980 wrote to memory of 1336	1980	Documents.exe	RegSvcs.exe
PID 1980 wrote to memory of 1336	1980	Documents.exe	RegSvcs.exe
PID 1980 wrote to memory of 1336	1980	Documents.exe	RegSvcs.exe
PID 1980 wrote to memory of 1336	1980	Documents.exe	RegSvcs.exe
PID 1980 wrote to memory of 1336	1980	Documents.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Documents.exe
"C:\Users\Admin\AppData\Local\Temp\Documents.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1980
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JdjuzhQjWTPa.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1096
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JdjuzhQjWTPa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFA18.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1340
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1336

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpFA18.tmp

Filesize
1KB

MD5
76d862b46a1c8bd8399f26f3c449f412

SHA1
52c265374ecf762aad7da03cd1b49a787bb4465d

SHA256
f5fc7d228852f68d6c1ed8e359a5a3e840bfd38a921fcdb5f06a0d2ea69932ba

SHA512
745d7f80151f3c58a6ddf2bc18f77f3c0590d2cdc40ecec7708165959fa4fc24e52efdff3971b30f7b1f44b9901df3e70ea5b0d4c94154edd5e5caa7302de106

Download Submit
memory/1096-78-0x00000000025F0000-0x0000000002630000-memory.dmp

Filesize
256KB

Download
memory/1096-80-0x00000000025F0000-0x0000000002630000-memory.dmp

Filesize
256KB

Download
memory/1336-77-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1336-72-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1336-98-0x0000000000970000-0x00000000009B0000-memory.dmp

Filesize
256KB

Download
memory/1336-79-0x0000000000970000-0x00000000009B0000-memory.dmp

Filesize
256KB

Download
memory/1336-75-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1336-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1336-69-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1336-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1336-71-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1336-73-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1980-58-0x0000000000640000-0x000000000064C000-memory.dmp

Filesize
48KB

Download
memory/1980-65-0x0000000004330000-0x0000000004362000-memory.dmp

Filesize
200KB

Download
memory/1980-54-0x0000000000110000-0x000000000022C000-memory.dmp

Filesize
1.1MB

Download
memory/1980-57-0x0000000000600000-0x0000000000640000-memory.dmp

Filesize
256KB

Download
memory/1980-56-0x00000000004A0000-0x00000000004C0000-memory.dmp

Filesize
128KB

Download
memory/1980-55-0x0000000000600000-0x0000000000640000-memory.dmp

Filesize
256KB

Download
memory/1980-59-0x0000000007BA0000-0x0000000007C4A000-memory.dmp

Filesize
680KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads