agenttesla | 88c57d68e2ca4a359aaf8a1d6225ce440657f02c27f2e87f61cf72d93b4ae956

General

Target

4800ebd004e4134b0fe7aac791f66ced.exe
Size

681KB
MD5

4800ebd004e4134b0fe7aac791f66ced
SHA1

909492de26131649fdcdc41bbdf81addd1c0e786
SHA256

88c57d68e2ca4a359aaf8a1d6225ce440657f02c27f2e87f61cf72d93b4ae956
SHA512

db932f53fcee6e8e61b0685298222d04b1944764867945e231a5d2ac66e7a15a48c468a2d89a29543f3d322c2d2731a88f15e922402a69b1817543a8e66cae21
SSDEEP

12288:HKHEjY+LaE5czMZm81UuhWbnk1nLn9mWbavvSy2p3NIYxVhOO/uLqy:H7P5PWZw59wvvSy2dv7h92Lqy

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.redemed.xyz
Port:
21
Username:
[email protected]
Password:
workhard123#

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4800ebd004e4134b0fe7aac791f66ced.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4800ebd004e4134b0fe7aac791f66ced.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4800ebd004e4134b0fe7aac791f66ced.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-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost# = "C:\\Users\\Admin\\AppData\\Roaming\\svchost#\\svchost#.exe"	4800ebd004e4134b0fe7aac791f66ced.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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2016 set thread context of 484	2016	4800ebd004e4134b0fe7aac791f66ced.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	484	4800ebd004e4134b0fe7aac791f66ced.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
484	4800ebd004e4134b0fe7aac791f66ced.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 484	2016	4800ebd004e4134b0fe7aac791f66ced.exe	28
PID 2016 wrote to memory of 484	2016	4800ebd004e4134b0fe7aac791f66ced.exe	28
PID 2016 wrote to memory of 484	2016	4800ebd004e4134b0fe7aac791f66ced.exe	28
PID 2016 wrote to memory of 484	2016	4800ebd004e4134b0fe7aac791f66ced.exe	28
PID 2016 wrote to memory of 484	2016	4800ebd004e4134b0fe7aac791f66ced.exe	28
PID 2016 wrote to memory of 484	2016	4800ebd004e4134b0fe7aac791f66ced.exe	28
PID 2016 wrote to memory of 484	2016	4800ebd004e4134b0fe7aac791f66ced.exe	28
PID 2016 wrote to memory of 484	2016	4800ebd004e4134b0fe7aac791f66ced.exe	28
PID 2016 wrote to memory of 484	2016	4800ebd004e4134b0fe7aac791f66ced.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4800ebd004e4134b0fe7aac791f66ced.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4800ebd004e4134b0fe7aac791f66ced.exe

C:\Users\Admin\AppData\Local\Temp\4800ebd004e4134b0fe7aac791f66ced.exe
"C:\Users\Admin\AppData\Local\Temp\4800ebd004e4134b0fe7aac791f66ced.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Users\Admin\AppData\Local\Temp\4800ebd004e4134b0fe7aac791f66ced.exe
  "C:\Users\Admin\AppData\Local\Temp\4800ebd004e4134b0fe7aac791f66ced.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:484

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

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/484-66-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/484-68-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/484-96-0x0000000004E90000-0x0000000004ED0000-memory.dmp

Filesize
256KB

Download
memory/484-71-0x0000000004E90000-0x0000000004ED0000-memory.dmp

Filesize
256KB

Download
memory/484-70-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/484-64-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/484-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/484-61-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/484-62-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/484-63-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2016-55-0x0000000000310000-0x0000000000324000-memory.dmp

Filesize
80KB

Download
memory/2016-60-0x0000000000760000-0x00000000007AC000-memory.dmp

Filesize
304KB

Download
memory/2016-54-0x00000000013A0000-0x0000000001450000-memory.dmp

Filesize
704KB

Download
memory/2016-59-0x0000000004E90000-0x0000000004F00000-memory.dmp

Filesize
448KB

Download
memory/2016-58-0x0000000000370000-0x000000000037C000-memory.dmp

Filesize
48KB

Download
memory/2016-57-0x0000000004D50000-0x0000000004D90000-memory.dmp

Filesize
256KB

Download
memory/2016-56-0x0000000004D50000-0x0000000004D90000-memory.dmp

Filesize
256KB

Download

Analysis

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