agenttesla | ba6a56d29ae56e405526f32fa7f365dd39c0192156e4a66263cb24f05490cd31

General

Target
ee359399ac8463fe150aee3fe38a0c16.exe
Size 692KB
Sample201109-96182ssk8e
SHA256 ba6a56d29ae56e405526f32fa7f365dd39c0192156e4a66263cb24f05490cd31
MD5 ee359399ac8463fe150aee3fe38a0c16
SHA1 c0f28891eb33236712ecad8e52e3549e7e59a079
SHA512 1c6c42b1aa4dbe5e60b5bd05e338ad8867bc6ba9d7a3ce4be8f741ea70bbb8cb9a234dd2e2dee4ca69036f29bc58ff85aaeb8513716dfc89065e18a4c58bf903
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.sonar.co.th
Port
587
Username
[email protected]
Password
SRR1199jutha

Signatures

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

AgentTesla Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1252-7-0x000000000044C44E-mapping.dmp	family_agenttesla
behavioral1/memory/1252-6-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1252-8-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1252-9-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\Nehao = "C:\\TUICJFPF\\Nehaom\\FzGkdrRNP.vbs"	ee359399ac8463fe150aee3fe38a0c16.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	ee359399ac8463fe150aee3fe38a0c16.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	ee359399ac8463fe150aee3fe38a0c16.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 684 set thread context of 1252	684	ee359399ac8463fe150aee3fe38a0c16.exe	30

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1252	InstallUtil.exe
1252	InstallUtil.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
684	ee359399ac8463fe150aee3fe38a0c16.exe
684	ee359399ac8463fe150aee3fe38a0c16.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1252	InstallUtil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1252	InstallUtil.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 684 wrote to memory of 1064	684	ee359399ac8463fe150aee3fe38a0c16.exe	29
PID 684 wrote to memory of 1064	684	ee359399ac8463fe150aee3fe38a0c16.exe	29
PID 684 wrote to memory of 1064	684	ee359399ac8463fe150aee3fe38a0c16.exe	29
PID 684 wrote to memory of 1064	684	ee359399ac8463fe150aee3fe38a0c16.exe	29
PID 684 wrote to memory of 1064	684	ee359399ac8463fe150aee3fe38a0c16.exe	29
PID 684 wrote to memory of 1064	684	ee359399ac8463fe150aee3fe38a0c16.exe	29
PID 684 wrote to memory of 1064	684	ee359399ac8463fe150aee3fe38a0c16.exe	29
PID 684 wrote to memory of 1252	684	ee359399ac8463fe150aee3fe38a0c16.exe	30
PID 684 wrote to memory of 1252	684	ee359399ac8463fe150aee3fe38a0c16.exe	30
PID 684 wrote to memory of 1252	684	ee359399ac8463fe150aee3fe38a0c16.exe	30
PID 684 wrote to memory of 1252	684	ee359399ac8463fe150aee3fe38a0c16.exe	30
PID 684 wrote to memory of 1252	684	ee359399ac8463fe150aee3fe38a0c16.exe	30
PID 684 wrote to memory of 1252	684	ee359399ac8463fe150aee3fe38a0c16.exe	30
PID 684 wrote to memory of 1252	684	ee359399ac8463fe150aee3fe38a0c16.exe	30
PID 684 wrote to memory of 1252	684	ee359399ac8463fe150aee3fe38a0c16.exe	30

C:\Users\Admin\AppData\Local\Temp\ee359399ac8463fe150aee3fe38a0c16.exe
"C:\Users\Admin\AppData\Local\Temp\ee359399ac8463fe150aee3fe38a0c16.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:684
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\InstallUtil.exe"
  2⤵
  PID:1064
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\InstallUtil.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1252

Network

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

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/684-0-0x0000000073D30000-0x000000007441E000-memory.dmp

Download

memory/684-1-0x0000000000BC0000-0x0000000000BC1000-memory.dmp

Download

memory/684-3-0x0000000000B30000-0x0000000000BBC000-memory.dmp

Download

memory/684-4-0x0000000000A40000-0x0000000000AA8000-memory.dmp

Download

memory/684-5-0x00000000041A0000-0x00000000041F2000-memory.dmp

Download

memory/1252-6-0x0000000000400000-0x0000000000452000-memory.dmp

Download

memory/1252-8-0x0000000000400000-0x0000000000452000-memory.dmp

Download

memory/1252-9-0x0000000000400000-0x0000000000452000-memory.dmp

Download

memory/1252-10-0x0000000073D30000-0x000000007441E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads