agenttesla | 57b6e2aaa856f7cf3049e111604280ce78971fd1d2003976c415847ea1426751

General

Target

NEW P-O.exe
Size

463KB
MD5

ff31007a5c8ff2672b1388b3630e62c3
SHA1

caffa8d8f535c738aecc376162cc9cfb62931afc
SHA256

f06f3723235acd9307e495542a10790ac22b8b894954484b02746409802fde10
SHA512

e68f883b056f44831896e5b84d927c966e79a6ff905c614c4a0f6a578b9e2533ed295b7230d1eef99d0b9db3e256e295f7a4d4c6a4b840ea2a9b1c5f8ad7a759

Score

10^/10

agenttesla collection evasion keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.rajapindah.com
Port:
587
Username:
[email protected]
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 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1280-60-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1280-61-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1280-62-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1280-63-0x000000000044B25E-mapping.dmp	family_agenttesla
behavioral1/memory/1280-65-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1280-67-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

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

rezer0

Processes:

resource	yara_rule
behavioral1/memory/1672-56-0x0000000001130000-0x0000000001188000-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

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

NEW P-O.exe

description pid process target process

PID 1672 set thread context of 1280 1672 NEW P-O.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1840 REG.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

1280 RegSvcs.exe
1280 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 1280 RegSvcs.exe

description	pid	process	target process
PID 1672 set thread context of 1280	1672	NEW P-O.exe	RegSvcs.exe

pid	process
1840	REG.exe

pid	process
1280	RegSvcs.exe
1280	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1280	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

NEW P-O.exeRegSvcs.exe

description	pid	process	target process
PID 1672 wrote to memory of 1280	1672	NEW P-O.exe	RegSvcs.exe
PID 1672 wrote to memory of 1280	1672	NEW P-O.exe	RegSvcs.exe
PID 1672 wrote to memory of 1280	1672	NEW P-O.exe	RegSvcs.exe
PID 1672 wrote to memory of 1280	1672	NEW P-O.exe	RegSvcs.exe
PID 1672 wrote to memory of 1280	1672	NEW P-O.exe	RegSvcs.exe
PID 1672 wrote to memory of 1280	1672	NEW P-O.exe	RegSvcs.exe
PID 1672 wrote to memory of 1280	1672	NEW P-O.exe	RegSvcs.exe
PID 1672 wrote to memory of 1280	1672	NEW P-O.exe	RegSvcs.exe
PID 1672 wrote to memory of 1280	1672	NEW P-O.exe	RegSvcs.exe
PID 1672 wrote to memory of 1280	1672	NEW P-O.exe	RegSvcs.exe
PID 1672 wrote to memory of 1280	1672	NEW P-O.exe	RegSvcs.exe
PID 1672 wrote to memory of 1280	1672	NEW P-O.exe	RegSvcs.exe
PID 1280 wrote to memory of 1840	1280	RegSvcs.exe	REG.exe
PID 1280 wrote to memory of 1840	1280	RegSvcs.exe	REG.exe
PID 1280 wrote to memory of 1840	1280	RegSvcs.exe	REG.exe
PID 1280 wrote to memory of 1840	1280	RegSvcs.exe	REG.exe
PID 1280 wrote to memory of 1560	1280	RegSvcs.exe	netsh.exe
PID 1280 wrote to memory of 1560	1280	RegSvcs.exe	netsh.exe
PID 1280 wrote to memory of 1560	1280	RegSvcs.exe	netsh.exe
PID 1280 wrote to memory of 1560	1280	RegSvcs.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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:1672

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1280

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:1840

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1560

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

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1280-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1280-63-0x000000000044B25E-mapping.dmp

Download
memory/1280-68-0x00000000763C1000-0x00000000763C3000-memory.dmp

Filesize
8KB

Download
memory/1280-57-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1280-58-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1280-60-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1280-62-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1280-65-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1280-67-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1560-70-0x0000000000000000-mapping.dmp

Download
memory/1672-54-0x0000000001190000-0x000000000120A000-memory.dmp

Filesize
488KB

Download
memory/1672-55-0x00000000003D0000-0x00000000003E6000-memory.dmp

Filesize
88KB

Download
memory/1672-56-0x0000000001130000-0x0000000001188000-memory.dmp

Filesize
352KB

Download
memory/1840-69-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads