agenttesla | 978cfe7b4cf22cde74a9544abfcbbb99fcb58606039d520d1aa6d48599f7bfcc

General

Target

e ssssssssss.exe
Size

532KB
MD5

6a7bea227f0410cd0a29d5ec46dc2162
SHA1

c96ddd2b3e3926b030cb06636c963fa3f05e0f88
SHA256

fe4deeb84628c321aff86bc7fd0edfa70aebc3f2dd302c18cf8a5715cb8b09e8
SHA512

76c663adb6809e3d817d4e6b3e0900841351b5a48211554ff53d992e0572693e5526cab1a13c7b6f1696011b14059b67dabcf342244224e8f486d40308840c38

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mkkarakosemobilya.com
Port:
587
Username:
[email protected]
Password:
MKkkmbly@2019

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/936-59-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

e ssssssssss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\eOqyl = "C:\\TBHNEBSE\\eOqylq\\eOqylqyCC.vbs"	e ssssssssss.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

e ssssssssss.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	e ssssssssss.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	e ssssssssss.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

e ssssssssss.exe

description pid process target process

PID 784 set thread context of 936 784 e ssssssssss.exe InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

InstallUtil.exe

pid process

936 InstallUtil.exe
936 InstallUtil.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

e ssssssssss.exe

pid process

784 e ssssssssss.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

InstallUtil.exe

description pid process

Token: SeDebugPrivilege 936 InstallUtil.exe

description	pid	process	target process
PID 784 set thread context of 936	784	e ssssssssss.exe	InstallUtil.exe

pid	process
936	InstallUtil.exe
936	InstallUtil.exe

pid	process
784	e ssssssssss.exe

description	pid	process
Token: SeDebugPrivilege	936	InstallUtil.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

e ssssssssss.exeInstallUtil.exe

description	pid	process	target process
PID 784 wrote to memory of 936	784	e ssssssssss.exe	InstallUtil.exe
PID 784 wrote to memory of 936	784	e ssssssssss.exe	InstallUtil.exe
PID 784 wrote to memory of 936	784	e ssssssssss.exe	InstallUtil.exe
PID 784 wrote to memory of 936	784	e ssssssssss.exe	InstallUtil.exe
PID 784 wrote to memory of 936	784	e ssssssssss.exe	InstallUtil.exe
PID 784 wrote to memory of 936	784	e ssssssssss.exe	InstallUtil.exe
PID 784 wrote to memory of 936	784	e ssssssssss.exe	InstallUtil.exe
PID 784 wrote to memory of 936	784	e ssssssssss.exe	InstallUtil.exe
PID 936 wrote to memory of 1232	936	InstallUtil.exe	netsh.exe
PID 936 wrote to memory of 1232	936	InstallUtil.exe	netsh.exe
PID 936 wrote to memory of 1232	936	InstallUtil.exe	netsh.exe
PID 936 wrote to memory of 1232	936	InstallUtil.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\e ssssssssss.exe
"C:\Users\Admin\AppData\Local\Temp\e ssssssssss.exe"
1⤵
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:784

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\InstallUtil.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:936

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1232

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/784-54-0x00000000003B0000-0x000000000043C000-memory.dmp

Filesize
560KB

Download
memory/784-55-0x0000000001F20000-0x0000000001F94000-memory.dmp

Filesize
464KB

Download
memory/784-56-0x0000000004840000-0x000000000489A000-memory.dmp

Filesize
360KB

Download
memory/784-58-0x0000000000690000-0x0000000000693000-memory.dmp

Filesize
12KB

Download
memory/936-57-0x000000000044CA5E-mapping.dmp

Download
memory/936-59-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/936-60-0x0000000075701000-0x0000000075703000-memory.dmp

Filesize
8KB

Download
memory/1232-61-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads