agenttesla | 13ae46b9d4eeb73b8ac223e879e84d849c5a60564669ed8c8a8809f41b2e46da

General

Target

payment receipt.exe
Size

513KB
MD5

1f4cafd1b59f0a7b7bafb28e31c620aa
SHA1

b4f61151dfcd4b7f62665324a661a517d1a0ec75
SHA256

875391a0ae1d2f10f9c04e39aaed8c558acf0fbad7b220d18489d25aac97ff85
SHA512

2ea0849ec47211976a72691944737944f231fcd3e3ed371c5ec0844650efa38dd613a252dc2b45a8b8f4969d0eb0ba981ddec36c7f8210032ddb76ce2234b64c

Score

10^/10

agenttesla collection coreentity evasion keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.dianaglobalmandiri.com
Port:
587
Username:
info@dianaglobalmandiri.com
Password:
Batam2019

Signatures

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

CoreEntity .NET Packer 1 IoCs

A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

coreentity

Processes:

resource	yara_rule
behavioral1/memory/1352-56-0x0000000000210000-0x0000000000218000-memory.dmp	coreentity

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1660-62-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1660-61-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1660-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1660-64-0x000000000044CB5E-mapping.dmp	family_agenttesla
behavioral1/memory/1660-68-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1660-66-0x0000000000400000-0x0000000000452000-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/1352-57-0x0000000004E50000-0x0000000004EA8000-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-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

payment receipt.exe

description pid process target process

PID 1352 set thread context of 1660 1352 payment receipt.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1088 REG.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

payment receipt.exeRegSvcs.exe

pid process

1352 payment receipt.exe
1660 RegSvcs.exe
1660 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

payment receipt.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1352 payment receipt.exe
Token: SeDebugPrivilege 1660 RegSvcs.exe

description	pid	process	target process
PID 1352 set thread context of 1660	1352	payment receipt.exe	RegSvcs.exe

pid	process
1088	REG.exe

pid	process
1352	payment receipt.exe
1660	RegSvcs.exe
1660	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1352	payment receipt.exe
Token: SeDebugPrivilege	1660	RegSvcs.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

payment receipt.exeRegSvcs.exe

description	pid	process	target process
PID 1352 wrote to memory of 1360	1352	payment receipt.exe	RegSvcs.exe
PID 1352 wrote to memory of 1360	1352	payment receipt.exe	RegSvcs.exe
PID 1352 wrote to memory of 1360	1352	payment receipt.exe	RegSvcs.exe
PID 1352 wrote to memory of 1360	1352	payment receipt.exe	RegSvcs.exe
PID 1352 wrote to memory of 1360	1352	payment receipt.exe	RegSvcs.exe
PID 1352 wrote to memory of 1360	1352	payment receipt.exe	RegSvcs.exe
PID 1352 wrote to memory of 1360	1352	payment receipt.exe	RegSvcs.exe
PID 1352 wrote to memory of 1660	1352	payment receipt.exe	RegSvcs.exe
PID 1352 wrote to memory of 1660	1352	payment receipt.exe	RegSvcs.exe
PID 1352 wrote to memory of 1660	1352	payment receipt.exe	RegSvcs.exe
PID 1352 wrote to memory of 1660	1352	payment receipt.exe	RegSvcs.exe
PID 1352 wrote to memory of 1660	1352	payment receipt.exe	RegSvcs.exe
PID 1352 wrote to memory of 1660	1352	payment receipt.exe	RegSvcs.exe
PID 1352 wrote to memory of 1660	1352	payment receipt.exe	RegSvcs.exe
PID 1352 wrote to memory of 1660	1352	payment receipt.exe	RegSvcs.exe
PID 1352 wrote to memory of 1660	1352	payment receipt.exe	RegSvcs.exe
PID 1352 wrote to memory of 1660	1352	payment receipt.exe	RegSvcs.exe
PID 1352 wrote to memory of 1660	1352	payment receipt.exe	RegSvcs.exe
PID 1352 wrote to memory of 1660	1352	payment receipt.exe	RegSvcs.exe
PID 1660 wrote to memory of 1088	1660	RegSvcs.exe	REG.exe
PID 1660 wrote to memory of 1088	1660	RegSvcs.exe	REG.exe
PID 1660 wrote to memory of 1088	1660	RegSvcs.exe	REG.exe
PID 1660 wrote to memory of 1088	1660	RegSvcs.exe	REG.exe
PID 1660 wrote to memory of 1632	1660	RegSvcs.exe	netsh.exe
PID 1660 wrote to memory of 1632	1660	RegSvcs.exe	netsh.exe
PID 1660 wrote to memory of 1632	1660	RegSvcs.exe	netsh.exe
PID 1660 wrote to memory of 1632	1660	RegSvcs.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\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-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\payment receipt.exe
"C:\Users\Admin\AppData\Local\Temp\payment receipt.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1352

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:1360

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:1660

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:1088

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1632

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/1088-70-0x0000000000000000-mapping.dmp

Download
memory/1352-54-0x00000000010F0000-0x0000000001176000-memory.dmp

Filesize
536KB

Download
memory/1352-55-0x0000000076241000-0x0000000076243000-memory.dmp

Filesize
8KB

Download
memory/1352-56-0x0000000000210000-0x0000000000218000-memory.dmp

Filesize
32KB

Download
memory/1352-57-0x0000000004E50000-0x0000000004EA8000-memory.dmp

Filesize
352KB

Download
memory/1632-71-0x0000000000000000-mapping.dmp

Download
memory/1660-62-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1660-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1660-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1660-64-0x000000000044CB5E-mapping.dmp

Download
memory/1660-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1660-66-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1660-59-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1660-58-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads