agenttesla | f06f3723235acd9307e495542a10790ac22b8b894954484b02746409802fde10

General

Target

NEW P-O.exe
Size

463KB
MD5

ff31007a5c8ff2672b1388b3630e62c3
SHA1

caffa8d8f535c738aecc376162cc9cfb62931afc
SHA256

f06f3723235acd9307e495542a10790ac22b8b894954484b02746409802fde10
SHA512

e68f883b056f44831896e5b84d927c966e79a6ff905c614c4a0f6a578b9e2533ed295b7230d1eef99d0b9db3e256e295f7a4d4c6a4b840ea2a9b1c5f8ad7a759

Score

10^/10

agenttesla evasion keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.rajapindah.com
Port:
587
Username:
rizky@rajapindah.com
Password:
#r4j#citeureup#13

Signatures

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

AgentTesla Payload 16 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2500-8-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral2/memory/2500-9-0x000000000044B25E-mapping.dmp	family_agenttesla
behavioral2/memory/2500-19-0x000000000044B25E-mapping.dmp	family_agenttesla
behavioral2/memory/2500-20-0x000000000044B25E-mapping.dmp	family_agenttesla
behavioral2/memory/2500-22-0x000000000044B25E-mapping.dmp	family_agenttesla
behavioral2/memory/2500-21-0x000000000044B25E-mapping.dmp	family_agenttesla
behavioral2/memory/2500-23-0x000000000044B25E-mapping.dmp	family_agenttesla
behavioral2/memory/2500-24-0x000000000044B25E-mapping.dmp	family_agenttesla
behavioral2/memory/2500-26-0x000000000044B25E-mapping.dmp	family_agenttesla
behavioral2/memory/2500-27-0x000000000044B25E-mapping.dmp	family_agenttesla
behavioral2/memory/2500-25-0x000000000044B25E-mapping.dmp	family_agenttesla
behavioral2/memory/2500-29-0x000000000044B25E-mapping.dmp	family_agenttesla
behavioral2/memory/2500-30-0x000000000044B25E-mapping.dmp	family_agenttesla
behavioral2/memory/2500-31-0x000000000044B25E-mapping.dmp	family_agenttesla
behavioral2/memory/2500-28-0x000000000044B25E-mapping.dmp	family_agenttesla
behavioral2/memory/2500-32-0x000000000044B25E-mapping.dmp	family_agenttesla

rezer0 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral2/memory/744-6-0x0000000005400000-0x0000000005451000-memory.dmp	rezer0

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
Suspicious use of SetThreadContext 1 IoCs

Processes:

NEW P-O.exe

description pid process target process

PID 744 set thread context of 2500 744 NEW P-O.exe RegSvcs.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1684 2500 WerFault.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

3360 REG.exe

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

description	pid	process	target process
PID 744 set thread context of 2500	744	NEW P-O.exe	RegSvcs.exe

pid	pid_target	process	target process
1684	2500	WerFault.exe	RegSvcs.exe

pid	process
3360	REG.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

RegSvcs.exeWerFault.exe

pid	process
2500	RegSvcs.exe
2500	RegSvcs.exe
1684	WerFault.exe
1684	WerFault.exe
1684	WerFault.exe
1684	WerFault.exe
1684	WerFault.exe
1684	WerFault.exe
1684	WerFault.exe
1684	WerFault.exe
1684	WerFault.exe
1684	WerFault.exe
1684	WerFault.exe
1684	WerFault.exe
1684	WerFault.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

RegSvcs.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	2500	RegSvcs.exe
Token: SeRestorePrivilege	1684	WerFault.exe
Token: SeBackupPrivilege	1684	WerFault.exe
Token: SeDebugPrivilege	1684	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

NEW P-O.exeRegSvcs.exe

description	pid	process	target process
PID 744 wrote to memory of 2500	744	NEW P-O.exe	RegSvcs.exe
PID 744 wrote to memory of 2500	744	NEW P-O.exe	RegSvcs.exe
PID 744 wrote to memory of 2500	744	NEW P-O.exe	RegSvcs.exe
PID 744 wrote to memory of 2500	744	NEW P-O.exe	RegSvcs.exe
PID 744 wrote to memory of 2500	744	NEW P-O.exe	RegSvcs.exe
PID 744 wrote to memory of 2500	744	NEW P-O.exe	RegSvcs.exe
PID 744 wrote to memory of 2500	744	NEW P-O.exe	RegSvcs.exe
PID 744 wrote to memory of 2500	744	NEW P-O.exe	RegSvcs.exe
PID 2500 wrote to memory of 3360	2500	RegSvcs.exe	REG.exe
PID 2500 wrote to memory of 3360	2500	RegSvcs.exe	REG.exe
PID 2500 wrote to memory of 3360	2500	RegSvcs.exe	REG.exe

C:\Users\Admin\AppData\Local\Temp\NEW P-O.exe
"C:\Users\Admin\AppData\Local\Temp\NEW P-O.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:744

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:2500

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:3360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2500 -s 1464
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1684

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

memory/744-1-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/744-3-0x0000000004C50000-0x0000000004C51000-memory.dmp

Filesize
4KB

Download
memory/744-4-0x0000000000C60000-0x0000000000C6F000-memory.dmp

Filesize
60KB

Download
memory/744-5-0x0000000004FE0000-0x0000000004FE1000-memory.dmp

Filesize
4KB

Download
memory/744-6-0x0000000005400000-0x0000000005451000-memory.dmp

Filesize
324KB

Download
memory/744-7-0x0000000005960000-0x0000000005961000-memory.dmp

Filesize
4KB

Download
memory/744-0-0x0000000073A20000-0x000000007410E000-memory.dmp

Filesize
6.9MB

Download
memory/1684-18-0x00000000042C0000-0x00000000042C1000-memory.dmp

Filesize
4KB

Download
memory/1684-33-0x00000000049F0000-0x00000000049F1000-memory.dmp

Filesize
4KB

Download
memory/2500-19-0x000000000044B25E-mapping.dmp

Download
memory/2500-23-0x000000000044B25E-mapping.dmp

Download
memory/2500-16-0x00000000064B0000-0x00000000064B1000-memory.dmp

Filesize
4KB

Download
memory/2500-8-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2500-10-0x0000000073A20000-0x000000007410E000-memory.dmp

Filesize
6.9MB

Download
memory/2500-9-0x000000000044B25E-mapping.dmp

Download
memory/2500-20-0x000000000044B25E-mapping.dmp

Download
memory/2500-22-0x000000000044B25E-mapping.dmp

Download
memory/2500-21-0x000000000044B25E-mapping.dmp

Download
memory/2500-15-0x0000000005960000-0x0000000005961000-memory.dmp

Filesize
4KB

Download
memory/2500-24-0x000000000044B25E-mapping.dmp

Download
memory/2500-26-0x000000000044B25E-mapping.dmp

Download
memory/2500-27-0x000000000044B25E-mapping.dmp

Download
memory/2500-25-0x000000000044B25E-mapping.dmp

Download
memory/2500-29-0x000000000044B25E-mapping.dmp

Download
memory/2500-30-0x000000000044B25E-mapping.dmp

Download
memory/2500-31-0x000000000044B25E-mapping.dmp

Download
memory/2500-28-0x000000000044B25E-mapping.dmp

Download
memory/2500-32-0x000000000044B25E-mapping.dmp

Download
memory/3360-17-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads