agenttesla | 5658649d60ad2eb973e1c657001af54d8c1c927d0abada7a13b743a3c90ee6d9

General

Target

IMG_026_7990xlsx.exe
Size

804KB
MD5

75581f0ab61769efc27e279c0cf1ebe7
SHA1

3d9c9d281df3cf8666828bdfa87a82297b8cf475
SHA256

5658649d60ad2eb973e1c657001af54d8c1c927d0abada7a13b743a3c90ee6d9
SHA512

b996ffe5134d4e474077f91233e45cd59caa2c7a3ffc70c170258bf114d9f4f90b0bfaa6e4aca6ed4e3641118053c3469bdcb911a2e04d6a8edda0d2a5965f22
SSDEEP

12288:cOZwvkZUoqDK5vFY6bZ0bE2Pm29Ldm4R0DXzIyMif/XttiYe/HR:EkZUoczbTRNKXIyMI/Xnhe/HR

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
server1.sqsendy.shop
Port:
587
Username:
[email protected]
Password:
v5[;Ul!$7#5o
Email To:
[email protected]

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\poobqy = "C:\\Users\\Admin\\AppData\\Roaming\\poobqy.exe"	IMG_026_7990xlsx.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1852 set thread context of 2152	1852	IMG_026_7990xlsx.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2152	MSBuild.exe
2152	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1852	IMG_026_7990xlsx.exe
Token: SeDebugPrivilege	2152	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 2152	1852	IMG_026_7990xlsx.exe	28
PID 1852 wrote to memory of 2152	1852	IMG_026_7990xlsx.exe	28
PID 1852 wrote to memory of 2152	1852	IMG_026_7990xlsx.exe	28
PID 1852 wrote to memory of 2152	1852	IMG_026_7990xlsx.exe	28
PID 1852 wrote to memory of 2152	1852	IMG_026_7990xlsx.exe	28
PID 1852 wrote to memory of 2152	1852	IMG_026_7990xlsx.exe	28
PID 1852 wrote to memory of 2152	1852	IMG_026_7990xlsx.exe	28
PID 1852 wrote to memory of 2152	1852	IMG_026_7990xlsx.exe	28
PID 1852 wrote to memory of 2152	1852	IMG_026_7990xlsx.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\IMG_026_7990xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\IMG_026_7990xlsx.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1852
- 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:2152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1852-1-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download
memory/1852-0-0x0000000000820000-0x00000000008EC000-memory.dmp

Filesize
816KB

Download
memory/1852-2-0x0000000002100000-0x0000000002140000-memory.dmp

Filesize
256KB

Download
memory/1852-3-0x00000000006C0000-0x0000000000716000-memory.dmp

Filesize
344KB

Download
memory/1852-4-0x00000000003F0000-0x0000000000444000-memory.dmp

Filesize
336KB

Download
memory/1852-5-0x0000000000640000-0x0000000000684000-memory.dmp

Filesize
272KB

Download
memory/1852-6-0x0000000002030000-0x000000000207C000-memory.dmp

Filesize
304KB

Download
memory/1852-18-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download
memory/2152-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2152-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2152-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2152-15-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2152-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2152-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2152-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2152-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2152-22-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2152-23-0x00000000020F0000-0x0000000002130000-memory.dmp

Filesize
256KB

Download
memory/2152-24-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2152-25-0x00000000020F0000-0x0000000002130000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads