agenttesla | bf2f666cc2bf3dff6a34835ddd2b78a8cf6a6cfc2a725e81226996010669ed2b

General

Target

signed_19272.exe
Size

443KB
MD5

89f06f681967303341f46437487c93b8
SHA1

80c5161d3cb2daa2a4352c92be70c084a812ec88
SHA256

bf2f666cc2bf3dff6a34835ddd2b78a8cf6a6cfc2a725e81226996010669ed2b
SHA512

24f1832c2f83cb2a024115941a2391e2b82f7f4fabbc65572b7581e5212a94d42d953572eb455cdffe345fc163a784a04496bd7369965167a1af553516453419

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.pptoursperu.com
Port:
587
Username:
info@pptoursperu.com
Password:
mailppt2019-

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1524-2-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1524-3-0x00000000004475AE-mapping.dmp	family_agenttesla
behavioral1/memory/1524-4-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1524-5-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

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
Suspicious use of SetThreadContext 1 IoCs

Processes:

signed_19272.exe

description pid process target process

PID 1072 set thread context of 1524 1072 signed_19272.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1564 REG.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

signed_19272.exeRegSvcs.exe

pid process

1072 signed_19272.exe
1072 signed_19272.exe
1524 RegSvcs.exe
1524 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

signed_19272.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1072 signed_19272.exe
Token: SeDebugPrivilege 1524 RegSvcs.exe

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

description	pid	process	target process
PID 1072 set thread context of 1524	1072	signed_19272.exe	RegSvcs.exe

pid	process
1564	REG.exe

pid	process
1072	signed_19272.exe
1072	signed_19272.exe
1524	RegSvcs.exe
1524	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1072	signed_19272.exe
Token: SeDebugPrivilege	1524	RegSvcs.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

signed_19272.exeRegSvcs.exe

description	pid	process	target process
PID 1072 wrote to memory of 1476	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1476	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1476	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1476	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1476	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1476	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1476	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1496	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1496	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1496	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1496	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1496	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1496	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1496	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1524	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1524	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1524	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1524	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1524	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1524	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1524	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1524	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1524	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1524	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1524	1072	signed_19272.exe	RegSvcs.exe
PID 1072 wrote to memory of 1524	1072	signed_19272.exe	RegSvcs.exe
PID 1524 wrote to memory of 1564	1524	RegSvcs.exe	REG.exe
PID 1524 wrote to memory of 1564	1524	RegSvcs.exe	REG.exe
PID 1524 wrote to memory of 1564	1524	RegSvcs.exe	REG.exe
PID 1524 wrote to memory of 1564	1524	RegSvcs.exe	REG.exe

C:\Users\Admin\AppData\Local\Temp\signed_19272.exe
"C:\Users\Admin\AppData\Local\Temp\signed_19272.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1072

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:1476

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:1496

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1524

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
3⤵
- Modifies registry key
PID:1564

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

Replay Monitor

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Downloads

memory/1072-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download
memory/1524-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1524-3-0x00000000004475AE-mapping.dmp

Download
memory/1524-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1524-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1564-6-0x0000000000000000-mapping.dmp

Download

Analysis

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