agenttesla | 733813587f5ab7a88aaa597563ee9e3a566bb3c4c7ad411eab6fb14c7ead28b9

General

Target

items 001.xlsm.exe
Size

859KB
MD5

fb7e94850448226bd2a498aa3b1563ea
SHA1

d700879ce59f46b7a774db6e4cb106245971e235
SHA256

2a4411192b4d6c488f67079fa17e4c245825df49a8858fadd887dd616ab1c0a3
SHA512

d43314e5e70070127c60813c026a928f5ee76fd92c94dee516adf6104b59337585fcab030e9678eb2447e67f1e9f355b7c20dc669569f8b1f164feb5dca6c631

Score

10^/10

agenttesla evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.villanika.gr
Port:
587
Username:
info@villanika.gr
Password:
n2^-9wE@Wl}t

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
behavioral2/memory/4540-164-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Disables Task Manager via registry modification
evasion
Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

items 001.xlsm.exeRegSvcs.exe

description	pid	process	target process
PID 1200 set thread context of 1648	1200	items 001.xlsm.exe	RegSvcs.exe
PID 1648 set thread context of 4540	1648	RegSvcs.exe	RegSvcs.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3708 4540 WerFault.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

4148 REG.exe
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

RegSvcs.exeRegSvcs.exe

pid process

1648 RegSvcs.exe
1648 RegSvcs.exe
1648 RegSvcs.exe
1648 RegSvcs.exe
1648 RegSvcs.exe
1648 RegSvcs.exe
4540 RegSvcs.exe
4540 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RegSvcs.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1648 RegSvcs.exe
Token: SeDebugPrivilege 4540 RegSvcs.exe

pid	pid_target	process	target process
3708	4540	WerFault.exe	RegSvcs.exe

pid	process
4148	REG.exe

pid	process
1648	RegSvcs.exe
1648	RegSvcs.exe
1648	RegSvcs.exe
1648	RegSvcs.exe
1648	RegSvcs.exe
1648	RegSvcs.exe
4540	RegSvcs.exe
4540	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1648	RegSvcs.exe
Token: SeDebugPrivilege	4540	RegSvcs.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

items 001.xlsm.exeRegSvcs.exeRegSvcs.exe

description	pid	process	target process
PID 1200 wrote to memory of 1648	1200	items 001.xlsm.exe	RegSvcs.exe
PID 1200 wrote to memory of 1648	1200	items 001.xlsm.exe	RegSvcs.exe
PID 1200 wrote to memory of 1648	1200	items 001.xlsm.exe	RegSvcs.exe
PID 1200 wrote to memory of 1648	1200	items 001.xlsm.exe	RegSvcs.exe
PID 1200 wrote to memory of 1648	1200	items 001.xlsm.exe	RegSvcs.exe
PID 1200 wrote to memory of 1648	1200	items 001.xlsm.exe	RegSvcs.exe
PID 1200 wrote to memory of 1648	1200	items 001.xlsm.exe	RegSvcs.exe
PID 1200 wrote to memory of 1648	1200	items 001.xlsm.exe	RegSvcs.exe
PID 1200 wrote to memory of 1648	1200	items 001.xlsm.exe	RegSvcs.exe
PID 1200 wrote to memory of 1648	1200	items 001.xlsm.exe	RegSvcs.exe
PID 1648 wrote to memory of 4712	1648	RegSvcs.exe	RegSvcs.exe
PID 1648 wrote to memory of 4712	1648	RegSvcs.exe	RegSvcs.exe
PID 1648 wrote to memory of 4712	1648	RegSvcs.exe	RegSvcs.exe
PID 1648 wrote to memory of 3732	1648	RegSvcs.exe	RegSvcs.exe
PID 1648 wrote to memory of 3732	1648	RegSvcs.exe	RegSvcs.exe
PID 1648 wrote to memory of 3732	1648	RegSvcs.exe	RegSvcs.exe
PID 1648 wrote to memory of 4540	1648	RegSvcs.exe	RegSvcs.exe
PID 1648 wrote to memory of 4540	1648	RegSvcs.exe	RegSvcs.exe
PID 1648 wrote to memory of 4540	1648	RegSvcs.exe	RegSvcs.exe
PID 1648 wrote to memory of 4540	1648	RegSvcs.exe	RegSvcs.exe
PID 1648 wrote to memory of 4540	1648	RegSvcs.exe	RegSvcs.exe
PID 1648 wrote to memory of 4540	1648	RegSvcs.exe	RegSvcs.exe
PID 1648 wrote to memory of 4540	1648	RegSvcs.exe	RegSvcs.exe
PID 1648 wrote to memory of 4540	1648	RegSvcs.exe	RegSvcs.exe
PID 4540 wrote to memory of 4148	4540	RegSvcs.exe	REG.exe
PID 4540 wrote to memory of 4148	4540	RegSvcs.exe	REG.exe
PID 4540 wrote to memory of 4148	4540	RegSvcs.exe	REG.exe

C:\Users\Admin\AppData\Local\Temp\items 001.xlsm.exe
"C:\Users\Admin\AppData\Local\Temp\items 001.xlsm.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1200

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1648

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
3⤵
PID:4712

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
3⤵
PID:3732

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
3⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4540

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
4⤵
- Modifies registry key
PID:4148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 1480
4⤵
- Program crash
PID:3708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4540 -ip 4540
1⤵
PID:4980

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RegSvcs.exe.log
Filesize
1KB

MD5
400f1cc1a0a0ce1cdabda365ab3368ce

SHA1
1ecf683f14271d84f3b6063493dce00ff5f42075

SHA256
c8fa64f4b69df13ed6408fd4a204f318a36c2f38c85d4a4d42adfc9173f73765

SHA512
14c8cfd58d097e5e89c8cabe1e665173f1ccf604a9ef70cdcb84116e265f90819c19c891be408e0ad7e29086a5c2ea2883b7a7d1184878dbbac63e2cabcd1c45

Download Submit
memory/1200-130-0x00000000009A0000-0x0000000000A7E000-memory.dmp

Filesize
888KB

Download
memory/1200-131-0x000000000AEF0000-0x000000000B494000-memory.dmp

Filesize
5.6MB

Download
memory/1200-132-0x000000000A940000-0x000000000A9D2000-memory.dmp

Filesize
584KB

Download
memory/1200-133-0x00000000053E0000-0x00000000053EA000-memory.dmp

Filesize
40KB

Download
memory/1200-134-0x0000000005660000-0x00000000056FC000-memory.dmp

Filesize
624KB

Download
memory/1648-146-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1648-155-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1648-139-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1648-140-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1648-141-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1648-142-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1648-143-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1648-144-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1648-136-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1648-147-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1648-149-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1648-151-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1648-152-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1648-138-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1648-157-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1648-158-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1648-160-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1648-135-0x0000000000000000-mapping.dmp

Download
memory/3732-162-0x0000000000000000-mapping.dmp

Download
memory/4148-167-0x0000000000000000-mapping.dmp

Download
memory/4540-163-0x0000000000000000-mapping.dmp

Download
memory/4540-164-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4540-166-0x0000000005DC0000-0x0000000005E26000-memory.dmp

Filesize
408KB

Download
memory/4540-168-0x0000000006210000-0x0000000006260000-memory.dmp

Filesize
320KB

Download
memory/4712-161-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads