agenttesla | b3c30689d3b12f79f23a67d02f5f7537898193af6d456d53805ece8115163ecd

General

Target

4446d1f062cab8dc96e1acd4b96b609b.exe
Size

819KB
MD5

4446d1f062cab8dc96e1acd4b96b609b
SHA1

f57863b9d4b8c551c823f0e9c114e21fd4f58942
SHA256

b3c30689d3b12f79f23a67d02f5f7537898193af6d456d53805ece8115163ecd
SHA512

72eb344848b0cfb225f61f737eaefee40288eab119db481150cab6fa4fb4feabafd62994b7f25a8dbc1d714dc7aab90c06129ef9bc23006c8605e9db4e8f573c
SSDEEP

12288:7/jGQA6ZUoR65AXwgFvuSS3II5u+kUTvyQ15xCiCkCtwsTSbap426UAveHltzCQw:GoR6qgx164CiCzhm245UJDCP

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
server1.ahost.uz
Port:
587
Username:
[email protected]
Password:
f#sLN-Dh.6G7

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/1964-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	4446d1f062cab8dc96e1acd4b96b609b.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

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-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4446d1f062cab8dc96e1acd4b96b609b.exe
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4446d1f062cab8dc96e1acd4b96b609b.exe
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4446d1f062cab8dc96e1acd4b96b609b.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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OebEPB = "C:\\Users\\Admin\\AppData\\Local\\Temp\\OebEPB\\OebEPB.exe"	4446d1f062cab8dc96e1acd4b96b609b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 788 set thread context of 1964	788	4446d1f062cab8dc96e1acd4b96b609b.exe	102

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
788	4446d1f062cab8dc96e1acd4b96b609b.exe
788	4446d1f062cab8dc96e1acd4b96b609b.exe
1964	4446d1f062cab8dc96e1acd4b96b609b.exe
1964	4446d1f062cab8dc96e1acd4b96b609b.exe
1964	4446d1f062cab8dc96e1acd4b96b609b.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1964	4446d1f062cab8dc96e1acd4b96b609b.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	788	4446d1f062cab8dc96e1acd4b96b609b.exe
Token: SeDebugPrivilege	1964	4446d1f062cab8dc96e1acd4b96b609b.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1964	4446d1f062cab8dc96e1acd4b96b609b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 788 wrote to memory of 1964	788	4446d1f062cab8dc96e1acd4b96b609b.exe	102
PID 788 wrote to memory of 1964	788	4446d1f062cab8dc96e1acd4b96b609b.exe	102
PID 788 wrote to memory of 1964	788	4446d1f062cab8dc96e1acd4b96b609b.exe	102
PID 788 wrote to memory of 1964	788	4446d1f062cab8dc96e1acd4b96b609b.exe	102
PID 788 wrote to memory of 1964	788	4446d1f062cab8dc96e1acd4b96b609b.exe	102
PID 788 wrote to memory of 1964	788	4446d1f062cab8dc96e1acd4b96b609b.exe	102
PID 788 wrote to memory of 1964	788	4446d1f062cab8dc96e1acd4b96b609b.exe	102
PID 788 wrote to memory of 1964	788	4446d1f062cab8dc96e1acd4b96b609b.exe	102

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4446d1f062cab8dc96e1acd4b96b609b.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4446d1f062cab8dc96e1acd4b96b609b.exe

C:\Users\Admin\AppData\Local\Temp\4446d1f062cab8dc96e1acd4b96b609b.exe
"C:\Users\Admin\AppData\Local\Temp\4446d1f062cab8dc96e1acd4b96b609b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:788
- C:\Users\Admin\AppData\Local\Temp\4446d1f062cab8dc96e1acd4b96b609b.exe
  "C:\Users\Admin\AppData\Local\Temp\4446d1f062cab8dc96e1acd4b96b609b.exe"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1964

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

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4446d1f062cab8dc96e1acd4b96b609b.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/788-5-0x0000000005310000-0x000000000531A000-memory.dmp

Filesize
40KB

Download
memory/788-3-0x0000000005350000-0x00000000053E2000-memory.dmp

Filesize
584KB

Download
memory/788-11-0x00000000058A0000-0x00000000058DE000-memory.dmp

Filesize
248KB

Download
memory/788-4-0x0000000005570000-0x0000000005580000-memory.dmp

Filesize
64KB

Download
memory/788-0-0x0000000000840000-0x0000000000912000-memory.dmp

Filesize
840KB

Download
memory/788-6-0x00000000065B0000-0x000000000664C000-memory.dmp

Filesize
624KB

Download
memory/788-7-0x0000000005730000-0x000000000574A000-memory.dmp

Filesize
104KB

Download
memory/788-8-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/788-1-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/788-10-0x0000000007DA0000-0x0000000007E42000-memory.dmp

Filesize
648KB

Download
memory/788-16-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/788-2-0x0000000005900000-0x0000000005EA4000-memory.dmp

Filesize
5.6MB

Download
memory/788-9-0x0000000005570000-0x0000000005580000-memory.dmp

Filesize
64KB

Download
memory/1964-26-0x0000000005A80000-0x0000000005A90000-memory.dmp

Filesize
64KB

Download
memory/1964-17-0x0000000005A80000-0x0000000005A90000-memory.dmp

Filesize
64KB

Download
memory/1964-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1964-19-0x0000000006780000-0x00000000067E6000-memory.dmp

Filesize
408KB

Download
memory/1964-18-0x00000000059B0000-0x00000000059C8000-memory.dmp

Filesize
96KB

Download
memory/1964-22-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/1964-23-0x0000000005A80000-0x0000000005A90000-memory.dmp

Filesize
64KB

Download
memory/1964-25-0x00000000069A0000-0x00000000069F0000-memory.dmp

Filesize
320KB

Download
memory/1964-15-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads