agenttesla | ef493fe2688db7c97fd7e0af12bae0b42aeee9c1c7ccf241865e1cfa5cb50cac

General

Target

vkFhiUvXw8joCXn.exe
Size

851KB
MD5

7e6a19d305a690e887020b9fe1b57488
SHA1

a283a4245b4b0b979ec7e63bda0fa41725b7adec
SHA256

ef493fe2688db7c97fd7e0af12bae0b42aeee9c1c7ccf241865e1cfa5cb50cac
SHA512

d1e3b9608ef58e25992ffa11f2d6550e633c48cd1888edc7c82530b31fff3edb922dd1a0f22384623bc6371409f8daa6936d968fcb7ceb35e96ce76a4894f585

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
wasstech.com
Port:
587
Username:
psme@wasstech.com
Password:
Sunray2700@@

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4092-125-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/4092-126-0x000000000043762E-mapping.dmp	family_agenttesla

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-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

vkFhiUvXw8joCXn.exe

description pid process target process

PID 4656 set thread context of 4092 4656 vkFhiUvXw8joCXn.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

vkFhiUvXw8joCXn.exeRegSvcs.exe

pid process

4656 vkFhiUvXw8joCXn.exe
4656 vkFhiUvXw8joCXn.exe
4656 vkFhiUvXw8joCXn.exe
4092 RegSvcs.exe
4092 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

vkFhiUvXw8joCXn.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4656 vkFhiUvXw8joCXn.exe
Token: SeDebugPrivilege 4092 RegSvcs.exe

description	pid	process	target process
PID 4656 set thread context of 4092	4656	vkFhiUvXw8joCXn.exe	RegSvcs.exe

pid	process
4656	vkFhiUvXw8joCXn.exe
4656	vkFhiUvXw8joCXn.exe
4656	vkFhiUvXw8joCXn.exe
4092	RegSvcs.exe
4092	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4656	vkFhiUvXw8joCXn.exe
Token: SeDebugPrivilege	4092	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

vkFhiUvXw8joCXn.exe

description	pid	process	target process
PID 4656 wrote to memory of 4036	4656	vkFhiUvXw8joCXn.exe	RegSvcs.exe
PID 4656 wrote to memory of 4036	4656	vkFhiUvXw8joCXn.exe	RegSvcs.exe
PID 4656 wrote to memory of 4036	4656	vkFhiUvXw8joCXn.exe	RegSvcs.exe
PID 4656 wrote to memory of 4092	4656	vkFhiUvXw8joCXn.exe	RegSvcs.exe
PID 4656 wrote to memory of 4092	4656	vkFhiUvXw8joCXn.exe	RegSvcs.exe
PID 4656 wrote to memory of 4092	4656	vkFhiUvXw8joCXn.exe	RegSvcs.exe
PID 4656 wrote to memory of 4092	4656	vkFhiUvXw8joCXn.exe	RegSvcs.exe
PID 4656 wrote to memory of 4092	4656	vkFhiUvXw8joCXn.exe	RegSvcs.exe
PID 4656 wrote to memory of 4092	4656	vkFhiUvXw8joCXn.exe	RegSvcs.exe
PID 4656 wrote to memory of 4092	4656	vkFhiUvXw8joCXn.exe	RegSvcs.exe
PID 4656 wrote to memory of 4092	4656	vkFhiUvXw8joCXn.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\vkFhiUvXw8joCXn.exe
"C:\Users\Admin\AppData\Local\Temp\vkFhiUvXw8joCXn.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4656

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:4036

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4092

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/4092-125-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4092-133-0x0000000005D30000-0x0000000005D31000-memory.dmp

Filesize
4KB

Download
memory/4092-132-0x00000000058F0000-0x00000000058F1000-memory.dmp

Filesize
4KB

Download
memory/4092-131-0x0000000005840000-0x0000000005841000-memory.dmp

Filesize
4KB

Download
memory/4092-126-0x000000000043762E-mapping.dmp

Download
memory/4656-121-0x0000000005740000-0x0000000005741000-memory.dmp

Filesize
4KB

Download
memory/4656-114-0x0000000000A30000-0x0000000000A31000-memory.dmp

Filesize
4KB

Download
memory/4656-122-0x00000000058A0000-0x00000000058A4000-memory.dmp

Filesize
16KB

Download
memory/4656-123-0x0000000001360000-0x0000000001421000-memory.dmp

Filesize
772KB

Download
memory/4656-124-0x0000000001430000-0x00000000014BC000-memory.dmp

Filesize
560KB

Download
memory/4656-120-0x0000000005470000-0x0000000005471000-memory.dmp

Filesize
4KB

Download
memory/4656-119-0x0000000005550000-0x0000000005A4E000-memory.dmp

Filesize
5.0MB

Download
memory/4656-118-0x0000000005550000-0x0000000005551000-memory.dmp

Filesize
4KB

Download
memory/4656-117-0x0000000005A50000-0x0000000005A51000-memory.dmp

Filesize
4KB

Download
memory/4656-116-0x00000000054B0000-0x00000000054B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads