agenttesla | 86bff0f6efa102b2aad9d7dd04f9644fbc7a6c13992742de8f310bca8f39655d

General

Target

Shipping documents.exe
Size

643KB
MD5

36ad0d4a388265a5c56f4f44521f7e02
SHA1

4bfef5be1eeb772e7a9e1003765678c5c9613ba7
SHA256

86bff0f6efa102b2aad9d7dd04f9644fbc7a6c13992742de8f310bca8f39655d
SHA512

ffa616d6a0f34b77fb64da3d74f483448c631fbb9e8f5e1aa5704e50def974997954175858ddd3279fd652752829ec4b18695e6bdb1e3a02db0942fcad3a21ab
SSDEEP

12288:c/GKu62z/pI+XYay63k1ABfUnirNFpLMCLw+eyS/haQctCl39Yszbta/HxovpVTF:D66VYay6cuUiLLMsey2ha1MXzhKWjF

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.biateknos.com
Port:
587
Username:
[email protected]
Password:
biateknossutinah
Email To:
[email protected]

Signatures

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

Processes:

Shipping documents.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipping documents.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipping documents.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipping documents.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Shipping documents.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\DnDcR = "C:\\Users\\Admin\\AppData\\Roaming\\DnDcR\\DnDcR.exe"	Shipping documents.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:

Shipping documents.exe

description pid process target process

PID 1944 set thread context of 896 1944 Shipping documents.exe Shipping documents.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

1312 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Shipping documents.exeShipping documents.exe

pid process

1944 Shipping documents.exe
896 Shipping documents.exe
896 Shipping documents.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Shipping documents.exeShipping documents.exe

description pid process

Token: SeDebugPrivilege 1944 Shipping documents.exe
Token: SeDebugPrivilege 896 Shipping documents.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Shipping documents.exe

pid process

896 Shipping documents.exe

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

description	pid	process	target process
PID 1944 set thread context of 896	1944	Shipping documents.exe	Shipping documents.exe

pid	process
1312	schtasks.exe

pid	process
1944	Shipping documents.exe
896	Shipping documents.exe
896	Shipping documents.exe

description	pid	process
Token: SeDebugPrivilege	1944	Shipping documents.exe
Token: SeDebugPrivilege	896	Shipping documents.exe

pid	process
896	Shipping documents.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Shipping documents.exe

description	pid	process	target process
PID 1944 wrote to memory of 1312	1944	Shipping documents.exe	schtasks.exe
PID 1944 wrote to memory of 1312	1944	Shipping documents.exe	schtasks.exe
PID 1944 wrote to memory of 1312	1944	Shipping documents.exe	schtasks.exe
PID 1944 wrote to memory of 1312	1944	Shipping documents.exe	schtasks.exe
PID 1944 wrote to memory of 896	1944	Shipping documents.exe	Shipping documents.exe
PID 1944 wrote to memory of 896	1944	Shipping documents.exe	Shipping documents.exe
PID 1944 wrote to memory of 896	1944	Shipping documents.exe	Shipping documents.exe
PID 1944 wrote to memory of 896	1944	Shipping documents.exe	Shipping documents.exe
PID 1944 wrote to memory of 896	1944	Shipping documents.exe	Shipping documents.exe
PID 1944 wrote to memory of 896	1944	Shipping documents.exe	Shipping documents.exe
PID 1944 wrote to memory of 896	1944	Shipping documents.exe	Shipping documents.exe
PID 1944 wrote to memory of 896	1944	Shipping documents.exe	Shipping documents.exe
PID 1944 wrote to memory of 896	1944	Shipping documents.exe	Shipping documents.exe

outlook_office_path 1 IoCs

Processes:

Shipping documents.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipping documents.exe

outlook_win_path 1 IoCs

Processes:

Shipping documents.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipping documents.exe

C:\Users\Admin\AppData\Local\Temp\Shipping documents.exe
"C:\Users\Admin\AppData\Local\Temp\Shipping documents.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1944

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SyZmTSBOQiqG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7F00.tmp"
2⤵
- Creates scheduled task(s)
PID:1312

C:\Users\Admin\AppData\Local\Temp\Shipping documents.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:896

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

System Information Discovery

1

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\tmp7F00.tmp

Filesize
1KB

MD5
e3ff2f91b9fc17887d8924163fc692bb

SHA1
84a6272c46aa88f2561fc524a690ec6b38392b80

SHA256
8d7c34355002bf756e6c9567172c27b204cdfdad056f6cdc94134f2179532d73

SHA512
bc69770ba38bf688972386baf96b2d01d6625753f9c9043fab425c19c798aaaa4f51d0eb49e4b5d0e62879a3f4c794bfb38e8077c18e2a0d8ce0a7c0e09c5431

Download Submit
memory/896-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/896-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/896-71-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/896-69-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/896-67-0x0000000000437C1E-mapping.dmp

Download
memory/896-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/896-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/896-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1312-59-0x0000000000000000-mapping.dmp

Download
memory/1944-54-0x00000000000A0000-0x0000000000148000-memory.dmp

Filesize
672KB

Download
memory/1944-55-0x0000000075CF1000-0x0000000075CF3000-memory.dmp

Filesize
8KB

Download
memory/1944-56-0x00000000005F0000-0x0000000000602000-memory.dmp

Filesize
72KB

Download
memory/1944-58-0x00000000007A0000-0x00000000007DC000-memory.dmp

Filesize
240KB

Download
memory/1944-57-0x0000000004E60000-0x0000000004EE4000-memory.dmp

Filesize
528KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads