agenttesla | 4e7192da3d2bf928a266e3d9e1466cc0afc20f1ae359d5c6af007bda6a525902

General

Target

4e7192da3d2bf928a266e3d9e1466cc0afc20f1ae359d5c6af007bda6a525902.exe
Size

1.4MB
MD5

65be8568534012552db7525a2ee24c20
SHA1

e3e6e69995fd8274aacd33b73b422692e8b4728a
SHA256

4e7192da3d2bf928a266e3d9e1466cc0afc20f1ae359d5c6af007bda6a525902
SHA512

10993d711fcf5ed16235b46d216a23fd69c264dde0943e8025b8e8801f005ed299f051fde6ae6d08906eac96a43e1cf49f0892c53ca6161ca74bc9e85ca889cb
SSDEEP

24576:V77LSjiwWvX/20KjIzgpw8qOR0B/BzhogJGv1RIAhjLoamMiX4lNmZg0YxegPbUY:1LSjNWXzKja4Kc0vzhEjLoyEkmZ9Y14

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.phossphea.com
Port:
587
Username:
[email protected]
Password:
EpP@%mB2

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/4768-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1116 set thread context of 4768	1116	4e7192da3d2bf928a266e3d9e1466cc0afc20f1ae359d5c6af007bda6a525902.exe	91

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4e7192da3d2bf928a266e3d9e1466cc0afc20f1ae359d5c6af007bda6a525902.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4768	MSBuild.exe
4768	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4768	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1116 wrote to memory of 4768	1116	4e7192da3d2bf928a266e3d9e1466cc0afc20f1ae359d5c6af007bda6a525902.exe	91
PID 1116 wrote to memory of 4768	1116	4e7192da3d2bf928a266e3d9e1466cc0afc20f1ae359d5c6af007bda6a525902.exe	91
PID 1116 wrote to memory of 4768	1116	4e7192da3d2bf928a266e3d9e1466cc0afc20f1ae359d5c6af007bda6a525902.exe	91
PID 1116 wrote to memory of 4768	1116	4e7192da3d2bf928a266e3d9e1466cc0afc20f1ae359d5c6af007bda6a525902.exe	91
PID 1116 wrote to memory of 4768	1116	4e7192da3d2bf928a266e3d9e1466cc0afc20f1ae359d5c6af007bda6a525902.exe	91
PID 1116 wrote to memory of 4768	1116	4e7192da3d2bf928a266e3d9e1466cc0afc20f1ae359d5c6af007bda6a525902.exe	91
PID 1116 wrote to memory of 4768	1116	4e7192da3d2bf928a266e3d9e1466cc0afc20f1ae359d5c6af007bda6a525902.exe	91
PID 1116 wrote to memory of 4768	1116	4e7192da3d2bf928a266e3d9e1466cc0afc20f1ae359d5c6af007bda6a525902.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\4e7192da3d2bf928a266e3d9e1466cc0afc20f1ae359d5c6af007bda6a525902.exe
"C:\Users\Admin\AppData\Local\Temp\4e7192da3d2bf928a266e3d9e1466cc0afc20f1ae359d5c6af007bda6a525902.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1116
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1116-12-0x0000000008050000-0x000000000808C000-memory.dmp

Filesize
240KB

Download
memory/1116-7-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/1116-2-0x0000000005290000-0x0000000005834000-memory.dmp

Filesize
5.6MB

Download
memory/1116-3-0x0000000004D80000-0x0000000004E12000-memory.dmp

Filesize
584KB

Download
memory/1116-4-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/1116-5-0x0000000004E20000-0x0000000004E2A000-memory.dmp

Filesize
40KB

Download
memory/1116-6-0x00000000079D0000-0x00000000079E8000-memory.dmp

Filesize
96KB

Download
memory/1116-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/1116-8-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/1116-9-0x0000000005240000-0x000000000524C000-memory.dmp

Filesize
48KB

Download
memory/1116-10-0x0000000007FB0000-0x000000000803A000-memory.dmp

Filesize
552KB

Download
memory/1116-1-0x0000000000210000-0x0000000000382000-memory.dmp

Filesize
1.4MB

Download
memory/1116-11-0x00000000080E0000-0x000000000817C000-memory.dmp

Filesize
624KB

Download
memory/1116-16-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4768-22-0x00000000066F0000-0x0000000006740000-memory.dmp

Filesize
320KB

Download
memory/4768-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4768-17-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4768-18-0x00000000054D0000-0x00000000054E8000-memory.dmp

Filesize
96KB

Download
memory/4768-19-0x0000000005840000-0x00000000058A6000-memory.dmp

Filesize
408KB

Download
memory/4768-20-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4768-21-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4768-15-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4768-23-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4768-24-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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