agenttesla | 906786dda4d680bb24ac318d8a808c3c88a46f878cabebabb3141d8b189a50e8

General

Target

5X40ft Containers.exe
Size

438KB
MD5

1af135fb8f6ae323f00e79fdffa28614
SHA1

3fda3bab855977ec61f8c8a9fc8b2afebfbbfe5f
SHA256

9d988ed519f6e3f6c1e9baec5fca64bbc07fbcbb09f8dd6a02d4b756d1f4ef6e
SHA512

4e8c6fc8aeba956d3b80717a56490fbfe311927b6d0ab3d37269fa42f7406aea1f9ecd014f4d8a0188bf0c9e4d1b22d64d3ed3280190ade061bb70ee55bebf92

Score

10^/10

agenttesla collection keylogger persistence rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
coronavirus2020

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1572-60-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1572-61-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1572-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1572-63-0x0000000000446FAE-mapping.dmp	family_agenttesla
behavioral1/memory/1572-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1572-67-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/2036-56-0x0000000004630000-0x0000000004682000-memory.dmp	rezer0

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\Church = "C:\\Users\\Admin\\AppData\\Roaming\\Church\\Church.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

5X40ft Containers.exe

description pid process target process

PID 2036 set thread context of 1572 2036 5X40ft Containers.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

1572 RegSvcs.exe
1572 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 1572 RegSvcs.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid process

1572 RegSvcs.exe

description	pid	process	target process
PID 2036 set thread context of 1572	2036	5X40ft Containers.exe	RegSvcs.exe

pid	process
1572	RegSvcs.exe
1572	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1572	RegSvcs.exe

pid	process
1572	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

5X40ft Containers.exe

description	pid	process	target process
PID 2036 wrote to memory of 1572	2036	5X40ft Containers.exe	RegSvcs.exe
PID 2036 wrote to memory of 1572	2036	5X40ft Containers.exe	RegSvcs.exe
PID 2036 wrote to memory of 1572	2036	5X40ft Containers.exe	RegSvcs.exe
PID 2036 wrote to memory of 1572	2036	5X40ft Containers.exe	RegSvcs.exe
PID 2036 wrote to memory of 1572	2036	5X40ft Containers.exe	RegSvcs.exe
PID 2036 wrote to memory of 1572	2036	5X40ft Containers.exe	RegSvcs.exe
PID 2036 wrote to memory of 1572	2036	5X40ft Containers.exe	RegSvcs.exe
PID 2036 wrote to memory of 1572	2036	5X40ft Containers.exe	RegSvcs.exe
PID 2036 wrote to memory of 1572	2036	5X40ft Containers.exe	RegSvcs.exe
PID 2036 wrote to memory of 1572	2036	5X40ft Containers.exe	RegSvcs.exe
PID 2036 wrote to memory of 1572	2036	5X40ft Containers.exe	RegSvcs.exe
PID 2036 wrote to memory of 1572	2036	5X40ft Containers.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\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-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\5X40ft Containers.exe
"C:\Users\Admin\AppData\Local\Temp\5X40ft Containers.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2036

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:1572

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

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1572-57-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1572-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1572-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1572-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1572-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1572-63-0x0000000000446FAE-mapping.dmp

Download
memory/1572-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1572-67-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1572-68-0x0000000075C01000-0x0000000075C03000-memory.dmp

Filesize
8KB

Download
memory/2036-54-0x0000000000CD0000-0x0000000000D44000-memory.dmp

Filesize
464KB

Download
memory/2036-55-0x0000000000890000-0x0000000000898000-memory.dmp

Filesize
32KB

Download
memory/2036-56-0x0000000004630000-0x0000000004682000-memory.dmp

Filesize
328KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads