agenttesla | 63a6df094357141041ecaa6d490c88f5b9a2f8d1641780fced6b0b07ce3d20b6

General

Target

CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe
Size

675KB
MD5

21bdc587f6630da32bbb95e3edafd8a6
SHA1

50e89252950c924ef81520b6c527459c92ec9d03
SHA256

4c3faf064979c03b4abd8e1b0c0b64b4753d6f702401509ee4989319d079357d
SHA512

161ad24db09927ef85b7b43f5ee206e985016ef2e57dfded4e6d00b5619aa0bc1084cc3e5f6443bbd83b0bafd71a5eab4e9473a3adc7ad2e68272841deb592e0
SSDEEP

12288:Olf7khylvNBOFYFx2wzDa3+qoTxjmvoBjEA57st/+6Mb/YErzEEwr:qWeF8FYFUSDg+qoTxSkEuAp+6MTYmEE4

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.topfrozenfoodbrand.com
Port:
587
Username:
compra@topfrozenfoodbrand.com
Password:
Everest10purch
Email To:
purchase@topfrozenfoodbrand.com

Signatures

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

AgentTesla payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1804-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe
Key opened	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe
Key opened	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe

description	pid	process	target process
PID 2284 set thread context of 1804	2284	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

64 1804 WerFault.exe CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe

pid	pid_target	process	target process
64	1804	WerFault.exe	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

CONFIRM PROFORMA INVOICE NO 21091042 21091044.exeCONFIRM PROFORMA INVOICE NO 21091042 21091044.exe

pid	process
2284	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe
2284	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe
1804	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe
1804	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

CONFIRM PROFORMA INVOICE NO 21091042 21091044.exeCONFIRM PROFORMA INVOICE NO 21091042 21091044.exe

description	pid	process
Token: SeDebugPrivilege	2284	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe
Token: SeDebugPrivilege	1804	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe

description	pid	process	target process
PID 2284 wrote to memory of 1804	2284	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe
PID 2284 wrote to memory of 1804	2284	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe
PID 2284 wrote to memory of 1804	2284	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe
PID 2284 wrote to memory of 1804	2284	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe
PID 2284 wrote to memory of 1804	2284	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe
PID 2284 wrote to memory of 1804	2284	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe
PID 2284 wrote to memory of 1804	2284	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe
PID 2284 wrote to memory of 1804	2284	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe

outlook_office_path 1 IoCs

Processes:

CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe

outlook_win_path 1 IoCs

Processes:

CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe

C:\Users\Admin\AppData\Local\Temp\CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe
"C:\Users\Admin\AppData\Local\Temp\CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2284

C:\Users\Admin\AppData\Local\Temp\CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe
"C:\Users\Admin\AppData\Local\Temp\CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 1556
3⤵
- Program crash
PID:64

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1804 -ip 1804
1⤵
PID:4428

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\CONFIRM PROFORMA INVOICE NO 21091042 21091044.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1804-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1804-23-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/1804-22-0x00000000063C0000-0x0000000006410000-memory.dmp

Filesize
320KB

Download
memory/1804-20-0x0000000005500000-0x0000000005510000-memory.dmp

Filesize
64KB

Download
memory/1804-19-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/1804-18-0x00000000058C0000-0x0000000005926000-memory.dmp

Filesize
408KB

Download
memory/1804-17-0x0000000005540000-0x0000000005558000-memory.dmp

Filesize
96KB

Download
memory/1804-16-0x0000000005500000-0x0000000005510000-memory.dmp

Filesize
64KB

Download
memory/1804-15-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/2284-5-0x0000000004EC0000-0x0000000004ECA000-memory.dmp

Filesize
40KB

Download
memory/2284-10-0x0000000005E00000-0x0000000005E60000-memory.dmp

Filesize
384KB

Download
memory/2284-9-0x0000000005AB0000-0x0000000005B4C000-memory.dmp

Filesize
624KB

Download
memory/2284-8-0x00000000051A0000-0x00000000051B0000-memory.dmp

Filesize
64KB

Download
memory/2284-14-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/2284-7-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/2284-6-0x0000000004EE0000-0x0000000004EF8000-memory.dmp

Filesize
96KB

Download
memory/2284-1-0x0000000000470000-0x000000000051E000-memory.dmp

Filesize
696KB

Download
memory/2284-4-0x00000000051A0000-0x00000000051B0000-memory.dmp

Filesize
64KB

Download
memory/2284-3-0x0000000004F50000-0x0000000004FE2000-memory.dmp

Filesize
584KB

Download
memory/2284-2-0x0000000005500000-0x0000000005AA4000-memory.dmp

Filesize
5.6MB

Download
memory/2284-0-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads