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-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\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

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

Processes:

Documents.exe

description pid process target process

PID 1160 set thread context of 1916 1160 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

1476 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Documents.exepowershell.exe

pid process

1160 Documents.exe
1160 Documents.exe
1704 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Documents.exepowershell.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1160 Documents.exe
Token: SeDebugPrivilege 1704 powershell.exe
Token: SeDebugPrivilege 1916 RegSvcs.exe

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

description	pid	process	target process
PID 1160 set thread context of 1916	1160	Documents.exe	RegSvcs.exe

pid	process
1476	schtasks.exe

pid	process
1160	Documents.exe
1160	Documents.exe
1704	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1160	Documents.exe
Token: SeDebugPrivilege	1704	powershell.exe
Token: SeDebugPrivilege	1916	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

Documents.exe

description	pid	process	target process
PID 1160 wrote to memory of 1704	1160	Documents.exe	powershell.exe
PID 1160 wrote to memory of 1704	1160	Documents.exe	powershell.exe
PID 1160 wrote to memory of 1704	1160	Documents.exe	powershell.exe
PID 1160 wrote to memory of 1704	1160	Documents.exe	powershell.exe
PID 1160 wrote to memory of 1476	1160	Documents.exe	schtasks.exe
PID 1160 wrote to memory of 1476	1160	Documents.exe	schtasks.exe
PID 1160 wrote to memory of 1476	1160	Documents.exe	schtasks.exe
PID 1160 wrote to memory of 1476	1160	Documents.exe	schtasks.exe
PID 1160 wrote to memory of 1916	1160	Documents.exe	RegSvcs.exe
PID 1160 wrote to memory of 1916	1160	Documents.exe	RegSvcs.exe
PID 1160 wrote to memory of 1916	1160	Documents.exe	RegSvcs.exe
PID 1160 wrote to memory of 1916	1160	Documents.exe	RegSvcs.exe
PID 1160 wrote to memory of 1916	1160	Documents.exe	RegSvcs.exe
PID 1160 wrote to memory of 1916	1160	Documents.exe	RegSvcs.exe
PID 1160 wrote to memory of 1916	1160	Documents.exe	RegSvcs.exe
PID 1160 wrote to memory of 1916	1160	Documents.exe	RegSvcs.exe
PID 1160 wrote to memory of 1916	1160	Documents.exe	RegSvcs.exe
PID 1160 wrote to memory of 1916	1160	Documents.exe	RegSvcs.exe
PID 1160 wrote to memory of 1916	1160	Documents.exe	RegSvcs.exe
PID 1160 wrote to memory of 1916	1160	Documents.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\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-1-5-21-1283023626-844874658-3193756055-1000\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:1160
- 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:1704
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JdjuzhQjWTPa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBAC8.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1476
- 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:1916

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\tmpBAC8.tmp

Filesize
1KB

MD5
9b74016e2c7e12f71ecb449857acbf3a

SHA1
bb8f2b08e49543cf1fdf1bb8fc464d2c6f6ff9ad

SHA256
8c54795cb3624a30e6dc443a0b4a7011b6f67e5ed3ebf7548eaf9dcae58553ed

SHA512
887f2457b05ea1a4856233af661926e1bbe87d7bfe6f264ebd0298102b633b2421ef95be574a8eae063ebb9c23406c7f9ba53ac11820f9e1227ec3e57d4029c3

Download Submit
memory/1160-55-0x0000000007110000-0x0000000007150000-memory.dmp

Filesize
256KB

Download
memory/1160-56-0x00000000003D0000-0x00000000003F0000-memory.dmp

Filesize
128KB

Download
memory/1160-57-0x0000000007110000-0x0000000007150000-memory.dmp

Filesize
256KB

Download
memory/1160-58-0x0000000000480000-0x000000000048C000-memory.dmp

Filesize
48KB

Download
memory/1160-59-0x0000000007DE0000-0x0000000007E8A000-memory.dmp

Filesize
680KB

Download
memory/1160-67-0x0000000002470000-0x00000000024A2000-memory.dmp

Filesize
200KB

Download
memory/1160-54-0x0000000000DA0000-0x0000000000EBC000-memory.dmp

Filesize
1.1MB

Download
memory/1704-78-0x0000000002650000-0x0000000002690000-memory.dmp

Filesize
256KB

Download
memory/1704-80-0x0000000002650000-0x0000000002690000-memory.dmp

Filesize
256KB

Download
memory/1704-79-0x0000000002650000-0x0000000002690000-memory.dmp

Filesize
256KB

Download
memory/1916-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1916-72-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1916-73-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1916-75-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1916-77-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1916-71-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1916-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1916-69-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads