agenttesla | 18835a65226f3e12ce4712f8c60afb32d1b87cc4938562e96ebdd87e9505807d

General

Target

1.exe
Size

475KB
MD5

63272d6116e99e0ba7f0576eae74b73f
SHA1

d67eb4467ba29fda766d06f72e525e0f492744d6
SHA256

18835a65226f3e12ce4712f8c60afb32d1b87cc4938562e96ebdd87e9505807d
SHA512

3518a6f0dccd9e96008c70eda479fdb4da14784f090ab600fdb6a725648afbb972e7c69ab16c578dd5a2855c6217b7161f157de7048b3ff4f4eba434f1faa221

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.gailanz.com
Port:
587
Username:
champ.zhu@gailanz.com
Password:
l0j@cL$9t}Zw

Signatures

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

AgentTesla Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/720-61-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/720-62-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/720-64-0x0000000000436C4E-mapping.dmp	family_agenttesla
behavioral1/memory/720-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/720-65-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1.exe

description pid process target process

PID 1768 set thread context of 720 1768 1.exe MSBuild.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

720 MSBuild.exe
720 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 720 MSBuild.exe

description	pid	process	target process
PID 1768 set thread context of 720	1768	1.exe	MSBuild.exe

pid	process
720	MSBuild.exe
720	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	720	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1.exe

description	pid	process	target process
PID 1768 wrote to memory of 720	1768	1.exe	MSBuild.exe
PID 1768 wrote to memory of 720	1768	1.exe	MSBuild.exe
PID 1768 wrote to memory of 720	1768	1.exe	MSBuild.exe
PID 1768 wrote to memory of 720	1768	1.exe	MSBuild.exe
PID 1768 wrote to memory of 720	1768	1.exe	MSBuild.exe
PID 1768 wrote to memory of 720	1768	1.exe	MSBuild.exe
PID 1768 wrote to memory of 720	1768	1.exe	MSBuild.exe
PID 1768 wrote to memory of 720	1768	1.exe	MSBuild.exe
PID 1768 wrote to memory of 720	1768	1.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\1.exe
"C:\Users\Admin\AppData\Local\Temp\1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1768

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:720

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/720-64-0x0000000000436C4E-mapping.dmp

Download
memory/720-59-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/720-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/720-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/720-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/720-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/720-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/720-67-0x0000000004480000-0x0000000004481000-memory.dmp

Filesize
4KB

Download
memory/1768-55-0x0000000075821000-0x0000000075823000-memory.dmp

Filesize
8KB

Download
memory/1768-56-0x0000000000800000-0x0000000000807000-memory.dmp

Filesize
28KB

Download
memory/1768-57-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

Filesize
4KB

Download
memory/1768-58-0x0000000004FD0000-0x0000000005027000-memory.dmp

Filesize
348KB

Download
memory/1768-53-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads