agenttesla | 62f7752268a1df25462c61c1718174a30e5b5b4c3f2f3e11fb7e7dee5c870087

General

Target

New Request.exe
Size

553KB
MD5

abf16f4f5482738b53393f835dd6b9f9
SHA1

989529e1969a6b971a632a176862d5291fc5e2a1
SHA256

0b6118c17d89a24512971b9190cf4e76b54e0f02cb06d23d899a17feb9fc64f3
SHA512

e8dca4d90155c920b11cb2ebf44f65b93374b532a1c5f757937676939f68f254234318aa057b67ae32fdeae31f334f99218c2cb51fed27d3d1bf490317e42e04

Score

10^/10

agenttesla snakebot collection keylogger snakebot spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
dmkozlovd@yandex.ru
Password:
Starboy@22

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
dmkozlovd@yandex.ru
Password:
Starboy@22

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
SnakeBOT
SnakeBOT is a heavily obfuscated .NET downloader.
snakebot

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1268-141-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

Contains SnakeBOT related strings 1 IoCs

snakebot

Processes:

resource	yara_rule
behavioral2/memory/3100-130-0x0000000000F70000-0x0000000001004000-memory.dmp	snakebot_strings

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:

New Request.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	New 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

New Request.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New Request.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New Request.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New Request.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

New Request.exe

description pid process target process

PID 3100 set thread context of 1268 3100 New Request.exe New 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

1420 schtasks.exe

description	pid	process	target process
PID 3100 set thread context of 1268	3100	New Request.exe	New Request.exe

pid	process
1420	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

New Request.exeNew Request.exe

pid	process
3100	New Request.exe
3100	New Request.exe
3100	New Request.exe
3100	New Request.exe
3100	New Request.exe
3100	New Request.exe
1268	New Request.exe
1268	New Request.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

New Request.exeNew Request.exe

description pid process

Token: SeDebugPrivilege 3100 New Request.exe
Token: SeDebugPrivilege 1268 New Request.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

New Request.exeNew Request.exe

pid process

3100 New Request.exe
3100 New Request.exe
1268 New Request.exe

description	pid	process
Token: SeDebugPrivilege	3100	New Request.exe
Token: SeDebugPrivilege	1268	New Request.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

New Request.exe

description	pid	process	target process
PID 3100 wrote to memory of 1420	3100	New Request.exe	schtasks.exe
PID 3100 wrote to memory of 1420	3100	New Request.exe	schtasks.exe
PID 3100 wrote to memory of 1420	3100	New Request.exe	schtasks.exe
PID 3100 wrote to memory of 4192	3100	New Request.exe	New Request.exe
PID 3100 wrote to memory of 4192	3100	New Request.exe	New Request.exe
PID 3100 wrote to memory of 4192	3100	New Request.exe	New Request.exe
PID 3100 wrote to memory of 1968	3100	New Request.exe	New Request.exe
PID 3100 wrote to memory of 1968	3100	New Request.exe	New Request.exe
PID 3100 wrote to memory of 1968	3100	New Request.exe	New Request.exe
PID 3100 wrote to memory of 1016	3100	New Request.exe	New Request.exe
PID 3100 wrote to memory of 1016	3100	New Request.exe	New Request.exe
PID 3100 wrote to memory of 1016	3100	New Request.exe	New Request.exe
PID 3100 wrote to memory of 1268	3100	New Request.exe	New Request.exe
PID 3100 wrote to memory of 1268	3100	New Request.exe	New Request.exe
PID 3100 wrote to memory of 1268	3100	New Request.exe	New Request.exe
PID 3100 wrote to memory of 1268	3100	New Request.exe	New Request.exe
PID 3100 wrote to memory of 1268	3100	New Request.exe	New Request.exe
PID 3100 wrote to memory of 1268	3100	New Request.exe	New Request.exe
PID 3100 wrote to memory of 1268	3100	New Request.exe	New Request.exe
PID 3100 wrote to memory of 1268	3100	New Request.exe	New Request.exe

outlook_office_path 1 IoCs

Processes:

New Request.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New Request.exe

outlook_win_path 1 IoCs

Processes:

New Request.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New Request.exe

C:\Users\Admin\AppData\Local\Temp\New Request.exe
"C:\Users\Admin\AppData\Local\Temp\New Request.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3100

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\suCEFwS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE1BA.tmp"
2⤵
- Creates scheduled task(s)
PID:1420

C:\Users\Admin\AppData\Local\Temp\New Request.exe
"{path}"
2⤵
PID:4192

C:\Users\Admin\AppData\Local\Temp\New Request.exe
"{path}"
2⤵
PID:1968

C:\Users\Admin\AppData\Local\Temp\New Request.exe
"{path}"
2⤵
PID:1016

C:\Users\Admin\AppData\Local\Temp\New Request.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1268

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

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

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Downloads

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

MD5
400f1cc1a0a0ce1cdabda365ab3368ce

SHA1
1ecf683f14271d84f3b6063493dce00ff5f42075

SHA256
c8fa64f4b69df13ed6408fd4a204f318a36c2f38c85d4a4d42adfc9173f73765

SHA512
14c8cfd58d097e5e89c8cabe1e665173f1ccf604a9ef70cdcb84116e265f90819c19c891be408e0ad7e29086a5c2ea2883b7a7d1184878dbbac63e2cabcd1c45

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE1BA.tmp
Filesize
1KB

MD5
25fb8c1e76e49d8648cb368ac8e76093

SHA1
6477fb7b2425f8e7cdc431d88a1eb9ea9f4e49d0

SHA256
c8738a06e61e0a23cde70ab350538f27afe549652153991fda4f43e6e97600d8

SHA512
25ab7612d71ff36a00e82c1a09e263165009fc1941e31240fbdc63b0126693fda390dc61147b7273809108a69e4a4adf95dc8b014cd352109817b1bd1565ded1

Download Submit
memory/1016-139-0x0000000000000000-mapping.dmp

Download
memory/1268-140-0x0000000000000000-mapping.dmp

Download
memory/1268-141-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1268-143-0x0000000005EA0000-0x0000000005F06000-memory.dmp

Filesize
408KB

Download
memory/1268-144-0x00000000062B0000-0x0000000006300000-memory.dmp

Filesize
320KB

Download
memory/1420-135-0x0000000000000000-mapping.dmp

Download
memory/1968-138-0x0000000000000000-mapping.dmp

Download
memory/3100-133-0x0000000007DB0000-0x0000000007DBA000-memory.dmp

Filesize
40KB

Download
memory/3100-134-0x000000000B4D0000-0x000000000B56C000-memory.dmp

Filesize
624KB

Download
memory/3100-132-0x0000000007DE0000-0x0000000007E72000-memory.dmp

Filesize
584KB

Download
memory/3100-130-0x0000000000F70000-0x0000000001004000-memory.dmp

Filesize
592KB

Download
memory/3100-131-0x00000000082F0000-0x0000000008894000-memory.dmp

Filesize
5.6MB

Download
memory/4192-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads