agenttesla | 5f2d4ef9bf4aac8ea133268815414aca14083f0bec52de35d151f2eefbb309c2

General

Target

PO-11059021022021.......pdf.exe
Size

720KB
MD5

3e5c33f7b75d087ef1e5ff8fe7585f1a
SHA1

d2592e11aff5472be101384583ecad21b1384151
SHA256

f37fbb193f6ba57d318e7f5333fa7870282de9b3322e024c65d89977d2ec594c
SHA512

ded2f0a038ef57ed94431b0e30207e2f533284077076c2969ef3cfe4b929827b439f52c6236e8b370c4ed45e318b930bb57143d2148d4af5d8f401a8bf90e0f0

Score

10^/10

agenttesla collection evasion keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.dianaglobalmandiri.com
Port:
587
Username:
[email protected]
Password:
Batam2019

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/1756-61-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1756-62-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1756-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1756-66-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1756-68-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1756-64-0x000000000044CDFE-mapping.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/1736-57-0x0000000005D30000-0x0000000005D8A000-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:

PO-11059021022021.......pdf.exe

description pid process target process

PID 1736 set thread context of 1756 1736 PO-11059021022021.......pdf.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1876 REG.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

PO-11059021022021.......pdf.exeRegSvcs.exe

pid process

1736 PO-11059021022021.......pdf.exe
1736 PO-11059021022021.......pdf.exe
1756 RegSvcs.exe
1756 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO-11059021022021.......pdf.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1736 PO-11059021022021.......pdf.exe
Token: SeDebugPrivilege 1756 RegSvcs.exe

description	pid	process	target process
PID 1736 set thread context of 1756	1736	PO-11059021022021.......pdf.exe	RegSvcs.exe

pid	process
1876	REG.exe

pid	process
1736	PO-11059021022021.......pdf.exe
1736	PO-11059021022021.......pdf.exe
1756	RegSvcs.exe
1756	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1736	PO-11059021022021.......pdf.exe
Token: SeDebugPrivilege	1756	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

PO-11059021022021.......pdf.exeRegSvcs.exe

description	pid	process	target process
PID 1736 wrote to memory of 1756	1736	PO-11059021022021.......pdf.exe	RegSvcs.exe
PID 1736 wrote to memory of 1756	1736	PO-11059021022021.......pdf.exe	RegSvcs.exe
PID 1736 wrote to memory of 1756	1736	PO-11059021022021.......pdf.exe	RegSvcs.exe
PID 1736 wrote to memory of 1756	1736	PO-11059021022021.......pdf.exe	RegSvcs.exe
PID 1736 wrote to memory of 1756	1736	PO-11059021022021.......pdf.exe	RegSvcs.exe
PID 1736 wrote to memory of 1756	1736	PO-11059021022021.......pdf.exe	RegSvcs.exe
PID 1736 wrote to memory of 1756	1736	PO-11059021022021.......pdf.exe	RegSvcs.exe
PID 1736 wrote to memory of 1756	1736	PO-11059021022021.......pdf.exe	RegSvcs.exe
PID 1736 wrote to memory of 1756	1736	PO-11059021022021.......pdf.exe	RegSvcs.exe
PID 1736 wrote to memory of 1756	1736	PO-11059021022021.......pdf.exe	RegSvcs.exe
PID 1736 wrote to memory of 1756	1736	PO-11059021022021.......pdf.exe	RegSvcs.exe
PID 1736 wrote to memory of 1756	1736	PO-11059021022021.......pdf.exe	RegSvcs.exe
PID 1756 wrote to memory of 1876	1756	RegSvcs.exe	REG.exe
PID 1756 wrote to memory of 1876	1756	RegSvcs.exe	REG.exe
PID 1756 wrote to memory of 1876	1756	RegSvcs.exe	REG.exe
PID 1756 wrote to memory of 1876	1756	RegSvcs.exe	REG.exe
PID 1756 wrote to memory of 1924	1756	RegSvcs.exe	netsh.exe
PID 1756 wrote to memory of 1924	1756	RegSvcs.exe	netsh.exe
PID 1756 wrote to memory of 1924	1756	RegSvcs.exe	netsh.exe
PID 1756 wrote to memory of 1924	1756	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\PO-11059021022021.......pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PO-11059021022021.......pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1736

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:1756

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:1876

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1924

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

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/1736-54-0x0000000000880000-0x000000000093C000-memory.dmp

Filesize
752KB

Download
memory/1736-55-0x0000000000790000-0x00000000007F2000-memory.dmp

Filesize
392KB

Download
memory/1736-56-0x0000000000550000-0x0000000000558000-memory.dmp

Filesize
32KB

Download
memory/1736-57-0x0000000005D30000-0x0000000005D8A000-memory.dmp

Filesize
360KB

Download
memory/1756-58-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1756-59-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1756-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1756-62-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1756-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1756-66-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1756-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1756-64-0x000000000044CDFE-mapping.dmp

Download
memory/1756-69-0x0000000076781000-0x0000000076783000-memory.dmp

Filesize
8KB

Download
memory/1876-70-0x0000000000000000-mapping.dmp

Download
memory/1924-71-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads