agenttesla | 187a92c8144211f1e95c64641f96ae33a247d35eb9fa59a4c421d5395b5b45dc

General

Target

TT Slip.exe
Size

616KB
MD5

7974c6ca97b8f4f163e0ab140701396a
SHA1

720a76ac44ae776723d9a35b608209428a6611a5
SHA256

8e637504c692c93f7cf0286af90f331cd2bb7961adf8bd9f2ec2f7e84db7adf7
SHA512

c56e3947151fb3df44902f0966c348e48172a80b0951bc64481d20a8e4e55db21acc64d336758c9a113e158b6f3c31772e84b44a9447dfa0de30ad01cf00d8db

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:
info@dianaglobalmandiri.com
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/1588-61-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1588-62-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1588-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1588-64-0x000000000044CDFE-mapping.dmp	family_agenttesla
behavioral1/memory/1588-66-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1588-68-0x0000000000400000-0x0000000000452000-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/1696-57-0x0000000004D80000-0x0000000004DDA000-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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

TT Slip.exe

description pid process target process

PID 1696 set thread context of 1588 1696 TT Slip.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1096 REG.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

TT Slip.exeRegSvcs.exe

pid process

1696 TT Slip.exe
1696 TT Slip.exe
1588 RegSvcs.exe
1588 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

TT Slip.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1696 TT Slip.exe
Token: SeDebugPrivilege 1588 RegSvcs.exe

description	pid	process	target process
PID 1696 set thread context of 1588	1696	TT Slip.exe	RegSvcs.exe

pid	process
1096	REG.exe

pid	process
1696	TT Slip.exe
1696	TT Slip.exe
1588	RegSvcs.exe
1588	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1696	TT Slip.exe
Token: SeDebugPrivilege	1588	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

TT Slip.exeRegSvcs.exe

description	pid	process	target process
PID 1696 wrote to memory of 1588	1696	TT Slip.exe	RegSvcs.exe
PID 1696 wrote to memory of 1588	1696	TT Slip.exe	RegSvcs.exe
PID 1696 wrote to memory of 1588	1696	TT Slip.exe	RegSvcs.exe
PID 1696 wrote to memory of 1588	1696	TT Slip.exe	RegSvcs.exe
PID 1696 wrote to memory of 1588	1696	TT Slip.exe	RegSvcs.exe
PID 1696 wrote to memory of 1588	1696	TT Slip.exe	RegSvcs.exe
PID 1696 wrote to memory of 1588	1696	TT Slip.exe	RegSvcs.exe
PID 1696 wrote to memory of 1588	1696	TT Slip.exe	RegSvcs.exe
PID 1696 wrote to memory of 1588	1696	TT Slip.exe	RegSvcs.exe
PID 1696 wrote to memory of 1588	1696	TT Slip.exe	RegSvcs.exe
PID 1696 wrote to memory of 1588	1696	TT Slip.exe	RegSvcs.exe
PID 1696 wrote to memory of 1588	1696	TT Slip.exe	RegSvcs.exe
PID 1588 wrote to memory of 1096	1588	RegSvcs.exe	REG.exe
PID 1588 wrote to memory of 1096	1588	RegSvcs.exe	REG.exe
PID 1588 wrote to memory of 1096	1588	RegSvcs.exe	REG.exe
PID 1588 wrote to memory of 1096	1588	RegSvcs.exe	REG.exe
PID 1588 wrote to memory of 1656	1588	RegSvcs.exe	netsh.exe
PID 1588 wrote to memory of 1656	1588	RegSvcs.exe	netsh.exe
PID 1588 wrote to memory of 1656	1588	RegSvcs.exe	netsh.exe
PID 1588 wrote to memory of 1656	1588	RegSvcs.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\TT Slip.exe
"C:\Users\Admin\AppData\Local\Temp\TT Slip.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1696

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:1588

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:1096

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1656

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/1096-70-0x0000000000000000-mapping.dmp

Download
memory/1588-64-0x000000000044CDFE-mapping.dmp

Download
memory/1588-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1588-69-0x0000000076171000-0x0000000076173000-memory.dmp

Filesize
8KB

Download
memory/1588-58-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1588-59-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1588-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1588-62-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1588-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1588-66-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1656-71-0x0000000000000000-mapping.dmp

Download
memory/1696-54-0x0000000001020000-0x00000000010C2000-memory.dmp

Filesize
648KB

Download
memory/1696-56-0x00000000003C0000-0x00000000003C8000-memory.dmp

Filesize
32KB

Download
memory/1696-57-0x0000000004D80000-0x0000000004DDA000-memory.dmp

Filesize
360KB

Download
memory/1696-55-0x0000000000CA0000-0x0000000000D02000-memory.dmp

Filesize
392KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads