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

Credentials

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

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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1236-138-0x0000000000400000-0x0000000000466000-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

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Euro45000.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Euro45000.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Euro45000.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Euro45000.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Euro45000.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Euro45000.exe

description pid process target process

PID 3172 set thread context of 1236 3172 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

3356 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

4468 REG.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

Euro45000.exeEuro45000.exe

pid process

3172 Euro45000.exe
3172 Euro45000.exe
3172 Euro45000.exe
3172 Euro45000.exe
1236 Euro45000.exe
1236 Euro45000.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Euro45000.exeEuro45000.exe

description pid process

Token: SeDebugPrivilege 3172 Euro45000.exe
Token: SeDebugPrivilege 1236 Euro45000.exe

description	pid	process	target process
PID 3172 set thread context of 1236	3172	Euro45000.exe	Euro45000.exe

pid	process
3356	schtasks.exe

pid	process
4468	REG.exe

pid	process
3172	Euro45000.exe
3172	Euro45000.exe
3172	Euro45000.exe
3172	Euro45000.exe
1236	Euro45000.exe
1236	Euro45000.exe

description	pid	process
Token: SeDebugPrivilege	3172	Euro45000.exe
Token: SeDebugPrivilege	1236	Euro45000.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Euro45000.exeEuro45000.exe

description	pid	process	target process
PID 3172 wrote to memory of 3356	3172	Euro45000.exe	schtasks.exe
PID 3172 wrote to memory of 3356	3172	Euro45000.exe	schtasks.exe
PID 3172 wrote to memory of 3356	3172	Euro45000.exe	schtasks.exe
PID 3172 wrote to memory of 1236	3172	Euro45000.exe	Euro45000.exe
PID 3172 wrote to memory of 1236	3172	Euro45000.exe	Euro45000.exe
PID 3172 wrote to memory of 1236	3172	Euro45000.exe	Euro45000.exe
PID 3172 wrote to memory of 1236	3172	Euro45000.exe	Euro45000.exe
PID 3172 wrote to memory of 1236	3172	Euro45000.exe	Euro45000.exe
PID 3172 wrote to memory of 1236	3172	Euro45000.exe	Euro45000.exe
PID 3172 wrote to memory of 1236	3172	Euro45000.exe	Euro45000.exe
PID 3172 wrote to memory of 1236	3172	Euro45000.exe	Euro45000.exe
PID 1236 wrote to memory of 4468	1236	Euro45000.exe	REG.exe
PID 1236 wrote to memory of 4468	1236	Euro45000.exe	REG.exe
PID 1236 wrote to memory of 4468	1236	Euro45000.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

Euro45000.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3172

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tVqJSrLJH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp28E5.tmp"
2⤵
- Creates scheduled task(s)
PID:3356

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:1236

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:4468

Network

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Euro45000.exe.log
Filesize
1KB

MD5
6dcfdb496c3cf0a736b09292618b380d

SHA1
59d3aecbd319c9b48d500b51a093ee48d02af334

SHA256
cb5dcf594045c8b7a5f87e8a12eabbd3e53e673654926027627ed79ef3e2a203

SHA512
9b7d22dc9e40d11693f7191f7b075a78974322af145010e66b19d989e678477dfe4741e88d02929d5b37236276f4605bc23a7adbedf43b66cd3c4e5e7b7e67ff

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp28E5.tmp
Filesize
1KB

MD5
7349505adfd091346a78ba4e67938c3e

SHA1
03fdef796f1796523ca2e425b3ea52d2ec5ca6c1

SHA256
7353c5c58517eda4f3984fe789b65c6ce9b3fd765a0badd9580eb580d2797fa8

SHA512
9dde413753c52d8864b73362f0a1918bc9b645855912f9f64b439e6f249e9c0491a7046f76f792c3023a6f72173cdce2caba9f21beab7284523db3c6e0628673

Download Submit
memory/1236-137-0x0000000000000000-mapping.dmp

Download
memory/1236-138-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1236-140-0x0000000006630000-0x0000000006696000-memory.dmp

Filesize
408KB

Download
memory/1236-141-0x0000000006E60000-0x0000000006EB0000-memory.dmp

Filesize
320KB

Download
memory/3172-132-0x0000000007E10000-0x0000000007EA2000-memory.dmp

Filesize
584KB

Download
memory/3172-133-0x0000000007DB0000-0x0000000007DBA000-memory.dmp

Filesize
40KB

Download
memory/3172-134-0x000000000BD80000-0x000000000BE1C000-memory.dmp

Filesize
624KB

Download
memory/3172-130-0x0000000000E40000-0x0000000000F2A000-memory.dmp

Filesize
936KB

Download
memory/3172-131-0x0000000008320000-0x00000000088C4000-memory.dmp

Filesize
5.6MB

Download
memory/3356-135-0x0000000000000000-mapping.dmp

Download
memory/4468-142-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads