agenttesla | 7c0c97c4f6c7ebec73406a50d48970b1c9716b1de065f5ffd8916d5530f9dc34

General

Target

PAYMENT INVOICE.exe
Size

267KB
MD5

99d771f9122d1277f42dcd7ddcb7721a
SHA1

df3baa87aed177a44fc41592738bedc0cd8173bb
SHA256

7cd2ed629dd0e67f352edcb542ed9ed089b0e474a97701a4036a4c9b08b8f980
SHA512

dcf4eede50c69e1c7aca83e63b5df51d50fe0902afdbb4919472b51a7efe6a9d787ffca24565ece25730a4ed4527264f8ab4010d3372464fc3885d7a01a4dff3
SSDEEP

6144:/Ya6srVVBRGLy5ftpkYljJFxsXxxi/NmeBMCgGBc47VMYm8:/YSrV3Hr+YdJFhNmeDtT2W

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2404	PAYMENT INVOICE.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
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-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT INVOICE.exe
Key opened	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT INVOICE.exe
Key opened	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT INVOICE.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-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ycdwx = "C:\\Users\\Admin\\AppData\\Roaming\\Ycdwx\\Ycdwx.exe"	PAYMENT INVOICE.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
1	api.ipify.org
2	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2404 set thread context of 556	2404	PAYMENT INVOICE.exe	80

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
556	PAYMENT INVOICE.exe
556	PAYMENT INVOICE.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2404	PAYMENT INVOICE.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	556	PAYMENT INVOICE.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 556	2404	PAYMENT INVOICE.exe	80
PID 2404 wrote to memory of 556	2404	PAYMENT INVOICE.exe	80
PID 2404 wrote to memory of 556	2404	PAYMENT INVOICE.exe	80
PID 2404 wrote to memory of 556	2404	PAYMENT INVOICE.exe	80

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT INVOICE.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT INVOICE.exe

C:\Users\Admin\AppData\Local\Temp\PAYMENT INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\PAYMENT INVOICE.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Users\Admin\AppData\Local\Temp\PAYMENT INVOICE.exe
  "C:\Users\Admin\AppData\Local\Temp\PAYMENT INVOICE.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:556

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsb7DBD.tmp\gqvbcvayag.dll

Filesize
6KB

MD5
d94154bdd5d4fef8e5edb1b4c0efe34f

SHA1
51967ed3336df2adef9923dec7a0812a9d3e17ae

SHA256
44537d5e6e9a985d6b9920c1029b954dcdd8284c02a58dd0151c346a30873c0a

SHA512
6a09fc5b333db835aed894bb102db5a59ef1084d5ad8808e6d7fea5f7e36e6edc89d812b41dfaf7b3e799bd2244f2d872cc955adbb8bc8fc32e4af289e439476

Download Submit
memory/556-139-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/556-140-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/556-141-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/556-142-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/556-143-0x0000000004A30000-0x0000000004FD4000-memory.dmp

Filesize
5.6MB

Download
memory/556-144-0x0000000004A20000-0x0000000004A30000-memory.dmp

Filesize
64KB

Download
memory/556-145-0x0000000004A20000-0x0000000004A30000-memory.dmp

Filesize
64KB

Download
memory/556-146-0x0000000004A20000-0x0000000004A30000-memory.dmp

Filesize
64KB

Download
memory/556-147-0x0000000004FE0000-0x0000000005046000-memory.dmp

Filesize
408KB

Download
memory/556-148-0x0000000005B90000-0x0000000005BE0000-memory.dmp

Filesize
320KB

Download
memory/556-149-0x0000000005BE0000-0x0000000005DA2000-memory.dmp

Filesize
1.8MB

Download
memory/556-150-0x0000000005DC0000-0x0000000005E52000-memory.dmp

Filesize
584KB

Download
memory/556-151-0x0000000005FC0000-0x0000000005FCA000-memory.dmp

Filesize
40KB

Download
memory/556-153-0x0000000004A20000-0x0000000004A30000-memory.dmp

Filesize
64KB

Download
memory/556-154-0x0000000004A20000-0x0000000004A30000-memory.dmp

Filesize
64KB

Download
memory/556-155-0x0000000004A20000-0x0000000004A30000-memory.dmp

Filesize
64KB

Download

Analysis

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