agenttesla | 874e7cec7e2a419d9bde0b2f83d218440195ccbc2c543917d088545dd612d362

General

Target

QUOTATION REQUEST.exe
Size

561KB
MD5

8c432a866f5a49fc717e6d87105f6e85
SHA1

d37fe8015a6e0828f346bcb0d0011d80e2deaf71
SHA256

c5f5603b50269c61cedf43b3f6b04f3d4e451ae69921dd0e4e76a62a56ad11df
SHA512

04705f46e231df33b324c455b46b16b0d16d94937780802183110f0c03796298478b842e3b0cada04155ece2efec5a59e3f36979d171fcdcbb47ce3497d8f7b9

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.taiemerica.com
Port:
587
Username:
[email protected]
Password:
JuCbr%o3

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1592-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1592-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1592-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1592-67-0x000000000044728E-mapping.dmp	family_agenttesla
behavioral1/memory/1592-71-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1592-69-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

QUOTATION REQUEST.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts QUOTATION REQUEST.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

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	QUOTATION REQUEST.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

QUOTATION REQUEST.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QUOTATION REQUEST.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QUOTATION REQUEST.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QUOTATION REQUEST.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

QUOTATION REQUEST.exe

description pid process target process

PID 1064 set thread context of 1592 1064 QUOTATION REQUEST.exe QUOTATION REQUEST.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1660 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1956 REG.exe

description	pid	process	target process
PID 1064 set thread context of 1592	1064	QUOTATION REQUEST.exe	QUOTATION REQUEST.exe

pid	process
1660	schtasks.exe

pid	process
1956	REG.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

QUOTATION REQUEST.exeQUOTATION REQUEST.exe

pid	process
1064	QUOTATION REQUEST.exe
1064	QUOTATION REQUEST.exe
1064	QUOTATION REQUEST.exe
1064	QUOTATION REQUEST.exe
1592	QUOTATION REQUEST.exe
1592	QUOTATION REQUEST.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

QUOTATION REQUEST.exeQUOTATION REQUEST.exe

description pid process

Token: SeDebugPrivilege 1064 QUOTATION REQUEST.exe
Token: SeDebugPrivilege 1592 QUOTATION REQUEST.exe

description	pid	process
Token: SeDebugPrivilege	1064	QUOTATION REQUEST.exe
Token: SeDebugPrivilege	1592	QUOTATION REQUEST.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

QUOTATION REQUEST.exeQUOTATION REQUEST.exe

description	pid	process	target process
PID 1064 wrote to memory of 1660	1064	QUOTATION REQUEST.exe	schtasks.exe
PID 1064 wrote to memory of 1660	1064	QUOTATION REQUEST.exe	schtasks.exe
PID 1064 wrote to memory of 1660	1064	QUOTATION REQUEST.exe	schtasks.exe
PID 1064 wrote to memory of 1660	1064	QUOTATION REQUEST.exe	schtasks.exe
PID 1064 wrote to memory of 1804	1064	QUOTATION REQUEST.exe	QUOTATION REQUEST.exe
PID 1064 wrote to memory of 1804	1064	QUOTATION REQUEST.exe	QUOTATION REQUEST.exe
PID 1064 wrote to memory of 1804	1064	QUOTATION REQUEST.exe	QUOTATION REQUEST.exe
PID 1064 wrote to memory of 1804	1064	QUOTATION REQUEST.exe	QUOTATION REQUEST.exe
PID 1064 wrote to memory of 1592	1064	QUOTATION REQUEST.exe	QUOTATION REQUEST.exe
PID 1064 wrote to memory of 1592	1064	QUOTATION REQUEST.exe	QUOTATION REQUEST.exe
PID 1064 wrote to memory of 1592	1064	QUOTATION REQUEST.exe	QUOTATION REQUEST.exe
PID 1064 wrote to memory of 1592	1064	QUOTATION REQUEST.exe	QUOTATION REQUEST.exe
PID 1064 wrote to memory of 1592	1064	QUOTATION REQUEST.exe	QUOTATION REQUEST.exe
PID 1064 wrote to memory of 1592	1064	QUOTATION REQUEST.exe	QUOTATION REQUEST.exe
PID 1064 wrote to memory of 1592	1064	QUOTATION REQUEST.exe	QUOTATION REQUEST.exe
PID 1064 wrote to memory of 1592	1064	QUOTATION REQUEST.exe	QUOTATION REQUEST.exe
PID 1064 wrote to memory of 1592	1064	QUOTATION REQUEST.exe	QUOTATION REQUEST.exe
PID 1592 wrote to memory of 1956	1592	QUOTATION REQUEST.exe	REG.exe
PID 1592 wrote to memory of 1956	1592	QUOTATION REQUEST.exe	REG.exe
PID 1592 wrote to memory of 1956	1592	QUOTATION REQUEST.exe	REG.exe
PID 1592 wrote to memory of 1956	1592	QUOTATION REQUEST.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

QUOTATION REQUEST.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QUOTATION REQUEST.exe

outlook_win_path 1 IoCs

Processes:

QUOTATION REQUEST.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QUOTATION REQUEST.exe

C:\Users\Admin\AppData\Local\Temp\QUOTATION REQUEST.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTATION REQUEST.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1064

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF9B.tmp"
2⤵
- Creates scheduled task(s)
PID:1660

C:\Users\Admin\AppData\Local\Temp\QUOTATION REQUEST.exe
"{path}"
2⤵
PID:1804

C:\Users\Admin\AppData\Local\Temp\QUOTATION REQUEST.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1592

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
3⤵
- Modifies registry key
PID:1956

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

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

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF9B.tmp
Filesize
1KB

MD5
dc436ff5b60ef8168376c73a193ed25c

SHA1
0943c8a1a0851b7b79d31fadb488cce2e0444638

SHA256
949ee6cece73e1304479fc963d79d2fd8e6410f451c1ce0ae6fd6e1b40b70705

SHA512
1f66711762ef86444a1e4edd5e3105b2ca5e83ec72bc6c2e04c7b5a9de1f50df3a6a85c75fc54003e4ebb0c9d8061455a6ef2e544726536592fb32dbf99736bd

Download Submit
memory/1064-55-0x00000000769D1000-0x00000000769D3000-memory.dmp

Filesize
8KB

Download
memory/1064-56-0x0000000000410000-0x0000000000418000-memory.dmp

Filesize
32KB

Download
memory/1064-57-0x0000000004B40000-0x0000000004BB4000-memory.dmp

Filesize
464KB

Download
memory/1064-58-0x0000000005A10000-0x0000000005A66000-memory.dmp

Filesize
344KB

Download
memory/1064-54-0x0000000000320000-0x00000000003B2000-memory.dmp

Filesize
584KB

Download
memory/1592-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1592-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1592-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1592-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1592-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1592-67-0x000000000044728E-mapping.dmp

Download
memory/1592-71-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1592-69-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1660-59-0x0000000000000000-mapping.dmp

Download
memory/1956-73-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads