agenttesla | bbca8dbd55f6feaca533c226f8c0e2af7efed8ed37772bdb8a0ff4eb5008a0fb

General

Target

df82d99dd3f8c4601a3d4bdf7c3b62b6.exe
Size

675KB
MD5

df82d99dd3f8c4601a3d4bdf7c3b62b6
SHA1

51f2f44d23f70b45592a627ea5ad95cd781287c0
SHA256

bbca8dbd55f6feaca533c226f8c0e2af7efed8ed37772bdb8a0ff4eb5008a0fb
SHA512

f943a8208348caae30dfc2200927661c0f742126f3cb6615b5cf4523cabc412088d5fe2e853d6879f9048765dd4d84ece0eeabd2dc6452981cc9f20f4a4d0111
SSDEEP

6144:8hDANind1enPfMdAbOo37OPpAbC4d2wxPsn0JWJXDxqxaIXk3z647dFB9ri1lei2:EG2PpAC4fqxxq8wy64Tv+1leiyOnQ

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.servconsa.pe
Port:
587
Username:
[email protected]
Password:
electricidad

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/3996-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

df82d99dd3f8c4601a3d4bdf7c3b62b6.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

df82d99dd3f8c4601a3d4bdf7c3b62b6.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

df82d99dd3f8c4601a3d4bdf7c3b62b6.exe

description pid process target process

PID 2596 set thread context of 3996 2596 df82d99dd3f8c4601a3d4bdf7c3b62b6.exe df82d99dd3f8c4601a3d4bdf7c3b62b6.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

df82d99dd3f8c4601a3d4bdf7c3b62b6.exe

pid process

3996 df82d99dd3f8c4601a3d4bdf7c3b62b6.exe
3996 df82d99dd3f8c4601a3d4bdf7c3b62b6.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

df82d99dd3f8c4601a3d4bdf7c3b62b6.exe

pid process

3996 df82d99dd3f8c4601a3d4bdf7c3b62b6.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

df82d99dd3f8c4601a3d4bdf7c3b62b6.exe

description pid process

Token: SeDebugPrivilege 3996 df82d99dd3f8c4601a3d4bdf7c3b62b6.exe

description	pid	process	target process
PID 2596 set thread context of 3996	2596	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe

pid	process
3996	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe
3996	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe

pid	process
3996	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe

description	pid	process
Token: SeDebugPrivilege	3996	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

df82d99dd3f8c4601a3d4bdf7c3b62b6.exe

description	pid	process	target process
PID 2596 wrote to memory of 3996	2596	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe
PID 2596 wrote to memory of 3996	2596	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe
PID 2596 wrote to memory of 3996	2596	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe
PID 2596 wrote to memory of 3996	2596	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe
PID 2596 wrote to memory of 3996	2596	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe
PID 2596 wrote to memory of 3996	2596	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe
PID 2596 wrote to memory of 3996	2596	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe
PID 2596 wrote to memory of 3996	2596	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe

outlook_office_path 1 IoCs

Processes:

df82d99dd3f8c4601a3d4bdf7c3b62b6.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe

outlook_win_path 1 IoCs

Processes:

df82d99dd3f8c4601a3d4bdf7c3b62b6.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	df82d99dd3f8c4601a3d4bdf7c3b62b6.exe

C:\Users\Admin\AppData\Local\Temp\df82d99dd3f8c4601a3d4bdf7c3b62b6.exe
"C:\Users\Admin\AppData\Local\Temp\df82d99dd3f8c4601a3d4bdf7c3b62b6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2596

C:\Users\Admin\AppData\Local\Temp\df82d99dd3f8c4601a3d4bdf7c3b62b6.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\df82d99dd3f8c4601a3d4bdf7c3b62b6.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2596-6-0x0000000005690000-0x0000000005698000-memory.dmp

Filesize
32KB

Download
memory/2596-2-0x0000000005A60000-0x0000000006004000-memory.dmp

Filesize
5.6MB

Download
memory/2596-3-0x0000000005550000-0x00000000055E2000-memory.dmp

Filesize
584KB

Download
memory/2596-4-0x00000000056C0000-0x00000000056D0000-memory.dmp

Filesize
64KB

Download
memory/2596-5-0x0000000005510000-0x000000000551A000-memory.dmp

Filesize
40KB

Download
memory/2596-15-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/2596-7-0x0000000008280000-0x000000000831C000-memory.dmp

Filesize
624KB

Download
memory/2596-8-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/2596-9-0x00000000056C0000-0x00000000056D0000-memory.dmp

Filesize
64KB

Download
memory/2596-10-0x00000000087E0000-0x000000000886A000-memory.dmp

Filesize
552KB

Download
memory/2596-11-0x000000000AE00000-0x000000000AE46000-memory.dmp

Filesize
280KB

Download
memory/2596-0-0x0000000000A60000-0x0000000000B10000-memory.dmp

Filesize
704KB

Download
memory/2596-1-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/3996-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3996-16-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/3996-17-0x00000000059D0000-0x00000000059E0000-memory.dmp

Filesize
64KB

Download
memory/3996-18-0x00000000059A0000-0x00000000059B8000-memory.dmp

Filesize
96KB

Download
memory/3996-19-0x00000000065F0000-0x0000000006656000-memory.dmp

Filesize
408KB

Download
memory/3996-21-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/3996-22-0x00000000059D0000-0x00000000059E0000-memory.dmp

Filesize
64KB

Download
memory/3996-23-0x0000000006760000-0x00000000067B0000-memory.dmp

Filesize
320KB

Download
memory/3996-24-0x00000000059D0000-0x00000000059E0000-memory.dmp

Filesize
64KB

Download
memory/3996-25-0x00000000059D0000-0x00000000059E0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads