agenttesla | 1dc408f3f651caf2c45fc65d610f92bf6747b441c5f7c3f25dd6f781da83412b

General

Target

Euro45000.exe
Size

913KB
MD5

3e5f80a483571fa625e56a00661250f6
SHA1

3b418712790d665aefcd8a907f4cefbf4f450716
SHA256

01e0d6bbfccea03b1686c70b809788f3b81d804f28709a8f7f0dffcc8761d2d1
SHA512

d0ec0a4d53f359c239898d74475622cef6a0063e9368b1cb7b3486327a415b7c0a6fd58b90e5b351c27ced9dbe4c728627ba25aac42c1cc357a3c8b89f7b39f2

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
businesslogs01@yandex.com
Password:
password20@

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/1912-64-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1912-65-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1912-66-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1912-67-0x000000000046172E-mapping.dmp	family_agenttesla
behavioral1/memory/1912-69-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1912-71-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

Euro45000.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts Euro45000.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	Euro45000.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Euro45000.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	Euro45000.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Euro45000.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Euro45000.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Euro45000.exe

description pid process target process

PID 624 set thread context of 1912 624 Euro45000.exe Euro45000.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

1672 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

388 REG.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Euro45000.exeEuro45000.exe

pid process

624 Euro45000.exe
624 Euro45000.exe
624 Euro45000.exe
1912 Euro45000.exe
1912 Euro45000.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Euro45000.exeEuro45000.exe

description pid process

Token: SeDebugPrivilege 624 Euro45000.exe
Token: SeDebugPrivilege 1912 Euro45000.exe

description	pid	process	target process
PID 624 set thread context of 1912	624	Euro45000.exe	Euro45000.exe

pid	process
1672	schtasks.exe

pid	process
388	REG.exe

pid	process
624	Euro45000.exe
624	Euro45000.exe
624	Euro45000.exe
1912	Euro45000.exe
1912	Euro45000.exe

description	pid	process
Token: SeDebugPrivilege	624	Euro45000.exe
Token: SeDebugPrivilege	1912	Euro45000.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Euro45000.exeEuro45000.exe

description	pid	process	target process
PID 624 wrote to memory of 1672	624	Euro45000.exe	schtasks.exe
PID 624 wrote to memory of 1672	624	Euro45000.exe	schtasks.exe
PID 624 wrote to memory of 1672	624	Euro45000.exe	schtasks.exe
PID 624 wrote to memory of 1672	624	Euro45000.exe	schtasks.exe
PID 624 wrote to memory of 1912	624	Euro45000.exe	Euro45000.exe
PID 624 wrote to memory of 1912	624	Euro45000.exe	Euro45000.exe
PID 624 wrote to memory of 1912	624	Euro45000.exe	Euro45000.exe
PID 624 wrote to memory of 1912	624	Euro45000.exe	Euro45000.exe
PID 624 wrote to memory of 1912	624	Euro45000.exe	Euro45000.exe
PID 624 wrote to memory of 1912	624	Euro45000.exe	Euro45000.exe
PID 624 wrote to memory of 1912	624	Euro45000.exe	Euro45000.exe
PID 624 wrote to memory of 1912	624	Euro45000.exe	Euro45000.exe
PID 624 wrote to memory of 1912	624	Euro45000.exe	Euro45000.exe
PID 1912 wrote to memory of 388	1912	Euro45000.exe	REG.exe
PID 1912 wrote to memory of 388	1912	Euro45000.exe	REG.exe
PID 1912 wrote to memory of 388	1912	Euro45000.exe	REG.exe
PID 1912 wrote to memory of 388	1912	Euro45000.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

Euro45000.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	Euro45000.exe

outlook_win_path 1 IoCs

Processes:

Euro45000.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	Euro45000.exe

C:\Users\Admin\AppData\Local\Temp\Euro45000.exe
"C:\Users\Admin\AppData\Local\Temp\Euro45000.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:624

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tVqJSrLJH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9973.tmp"
2⤵
- Creates scheduled task(s)
PID:1672

C:\Users\Admin\AppData\Local\Temp\Euro45000.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:1912

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:388

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\tmp9973.tmp
Filesize
1KB

MD5
c8958fea783bf27600fa4e8610ec66a4

SHA1
a7945c9ad27bffb0c85f4119b66e02c0c4cbec05

SHA256
a1fe1eab06c04eaf91b1f4c2a1ea2d51791fa246add83feeef0383b85dd09ac7

SHA512
a8f5a2fdded917172ed3cc7975841332f545dc7c4f5c7869e524cefb1ac66d420b0747a7abf73e4dfda9833ec3cdfac8840396e615dc3857e1053c844729ae98

Download Submit
memory/388-73-0x0000000000000000-mapping.dmp

Download
memory/624-54-0x0000000000F30000-0x000000000101A000-memory.dmp

Filesize
936KB

Download
memory/624-55-0x00000000769D1000-0x00000000769D3000-memory.dmp

Filesize
8KB

Download
memory/624-56-0x0000000000390000-0x000000000039A000-memory.dmp

Filesize
40KB

Download
memory/624-57-0x00000000006A0000-0x0000000000720000-memory.dmp

Filesize
512KB

Download
memory/624-58-0x0000000005B70000-0x0000000005BEC000-memory.dmp

Filesize
496KB

Download
memory/1672-59-0x0000000000000000-mapping.dmp

Download
memory/1912-62-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1912-64-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1912-65-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1912-66-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1912-67-0x000000000046172E-mapping.dmp

Download
memory/1912-69-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1912-71-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1912-61-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads