agenttesla | 1b80b9d58bb6b3f95abaab07a58e5fbab1d070a3a0c0df2f67ac628c9f7be058

General

Target

Purchase Order 11013.exe
Size

103KB
MD5

aec8743883c8342e2836d89cd38f7294
SHA1

4dd7b5b6130887d528926ae35ef316357a1d6e27
SHA256

44700efabdbbe386e2e689d0de94da92133cd2c36effe104ea5e8dc81a87fa5c
SHA512

330773f0b0a0a860b403211ee972645a992b31acb8a6a21549b19b446689686030f8a1545379e3edd23fdd803f1d0333fd66cf4daddc8b7ba2af8ae4d9fc774d
SSDEEP

768:YNLE6ewSRmSTY94dWN2P7b1IzPrXMkN336DX2AA:KE6ewSDY94du2PmfMkN3KDmAA

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6171107032:AAGnuLkWapUakrcrpegbgibDbN3r0phVBG4/

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-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows\CurrentVersion\Run\Saete = "\"C:\\Users\\Admin\\AppData\\Roaming\\Wcznoftvokm\\Saete.exe\""	Purchase Order 11013.exe

Looks up external IP address via web service 2 IoCs

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

flow	ioc
5	api.ipify.org
6	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1328 set thread context of 324	1328	Purchase Order 11013.exe	30

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1328	Purchase Order 11013.exe
1328	Purchase Order 11013.exe
324	InstallUtil.exe
324	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1328	Purchase Order 11013.exe
Token: SeDebugPrivilege	324	InstallUtil.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1328 wrote to memory of 1104	1328	Purchase Order 11013.exe	28
PID 1328 wrote to memory of 1104	1328	Purchase Order 11013.exe	28
PID 1328 wrote to memory of 1104	1328	Purchase Order 11013.exe	28
PID 1328 wrote to memory of 1104	1328	Purchase Order 11013.exe	28
PID 1328 wrote to memory of 1104	1328	Purchase Order 11013.exe	28
PID 1328 wrote to memory of 1104	1328	Purchase Order 11013.exe	28
PID 1328 wrote to memory of 1104	1328	Purchase Order 11013.exe	28
PID 1328 wrote to memory of 524	1328	Purchase Order 11013.exe	29
PID 1328 wrote to memory of 524	1328	Purchase Order 11013.exe	29
PID 1328 wrote to memory of 524	1328	Purchase Order 11013.exe	29
PID 1328 wrote to memory of 524	1328	Purchase Order 11013.exe	29
PID 1328 wrote to memory of 524	1328	Purchase Order 11013.exe	29
PID 1328 wrote to memory of 524	1328	Purchase Order 11013.exe	29
PID 1328 wrote to memory of 524	1328	Purchase Order 11013.exe	29
PID 1328 wrote to memory of 324	1328	Purchase Order 11013.exe	30
PID 1328 wrote to memory of 324	1328	Purchase Order 11013.exe	30
PID 1328 wrote to memory of 324	1328	Purchase Order 11013.exe	30
PID 1328 wrote to memory of 324	1328	Purchase Order 11013.exe	30
PID 1328 wrote to memory of 324	1328	Purchase Order 11013.exe	30
PID 1328 wrote to memory of 324	1328	Purchase Order 11013.exe	30
PID 1328 wrote to memory of 324	1328	Purchase Order 11013.exe	30
PID 1328 wrote to memory of 324	1328	Purchase Order 11013.exe	30
PID 1328 wrote to memory of 324	1328	Purchase Order 11013.exe	30
PID 1328 wrote to memory of 324	1328	Purchase Order 11013.exe	30
PID 1328 wrote to memory of 324	1328	Purchase Order 11013.exe	30
PID 1328 wrote to memory of 324	1328	Purchase Order 11013.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order 11013.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order 11013.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1328
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  PID:1104
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  PID:524
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:324

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/324-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/324-62-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/324-71-0x00000000003C0000-0x0000000000400000-memory.dmp

Filesize
256KB

Download
memory/324-70-0x00000000003C0000-0x0000000000400000-memory.dmp

Filesize
256KB

Download
memory/324-69-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/324-60-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/324-67-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/324-65-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/324-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/324-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1328-54-0x00000000008D0000-0x00000000008F0000-memory.dmp

Filesize
128KB

Download
memory/1328-55-0x0000000001F40000-0x0000000001F80000-memory.dmp

Filesize
256KB

Download
memory/1328-58-0x00000000053B0000-0x0000000005442000-memory.dmp

Filesize
584KB

Download
memory/1328-57-0x0000000000490000-0x00000000004AA000-memory.dmp

Filesize
104KB

Download
memory/1328-56-0x0000000007D30000-0x0000000007E2E000-memory.dmp

Filesize
1016KB

Download

Analysis

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