agenttesla | 18fcb8604dc88c010d786be917f618a461876f5db6f80f1f8a64bc3b8fe48a98

Resubmissions

24-07-2023 06:32

230724-haylwaag65 10

16-07-2023 18:15

230716-wwbacshb7z 10

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
24-07-2023 06:32

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General

Target

1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe
Size

771KB
MD5

4268fdc3799323a843475051fd6ad542
SHA1

706fdecf6cbb860b890742db3e9dbe239662703e
SHA256

1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829
SHA512

e7ed63a123748a52ab642999c01aaa231a78300555caa84ae1630f7316c32112e601951d8e3dd30297457914707d0bbbbc0a89425a67dbdb4526cc1f60ec0c41
SSDEEP

12288:SpxEDrQY5EvoFzhlmTS1i4jkkg52CKRC8fZ9GPJOe+TZmQ0Cnek3egKE0+qSEH:Ca8voVOIObYfZoke+TMQTneZuCH

Score

10^/10

agenttesla collection keylogger spyware stealer trojan upx

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
Everest10

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
behavioral10/memory/5096-141-0x0000000000400000-0x00000000004A4000-memory.dmp	family_agenttesla
behavioral10/memory/5096-142-0x0000000000400000-0x00000000004A4000-memory.dmp	family_agenttesla
behavioral10/memory/5096-143-0x00000000009E0000-0x0000000000A2C000-memory.dmp	family_agenttesla
behavioral10/memory/5096-144-0x00000000009E0000-0x0000000000A2C000-memory.dmp	family_agenttesla
behavioral10/memory/5096-160-0x0000000075F40000-0x0000000076030000-memory.dmp	family_agenttesla
behavioral10/memory/5096-175-0x0000000000400000-0x00000000004A4000-memory.dmp	family_agenttesla

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

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral10/memory/5096-135-0x0000000000400000-0x00000000004A4000-memory.dmp	upx
behavioral10/memory/5096-139-0x0000000000400000-0x00000000004A4000-memory.dmp	upx
behavioral10/memory/5096-141-0x0000000000400000-0x00000000004A4000-memory.dmp	upx
behavioral10/memory/5096-142-0x0000000000400000-0x00000000004A4000-memory.dmp	upx

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe

description	pid	process	target process
PID 4724 set thread context of 5096	4724	1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe	1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe

pid	process
4724	1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe
4724	1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe
5096	1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe
5096	1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe

pid process

4724 1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe

description pid process

Token: SeDebugPrivilege 5096 1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe

description	pid	process
Token: SeDebugPrivilege	5096	1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe

description	pid	process	target process
PID 4724 wrote to memory of 5096	4724	1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe	1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe
PID 4724 wrote to memory of 5096	4724	1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe	1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe
PID 4724 wrote to memory of 5096	4724	1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe	1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe

outlook_office_path 1 IoCs

Processes:

1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe

outlook_win_path 1 IoCs

Processes:

1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe

C:\Users\Admin\AppData\Local\Temp\1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe
"C:\Users\Admin\AppData\Local\Temp\1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4724

C:\Users\Admin\AppData\Local\Temp\1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe
"C:\Users\Admin\AppData\Local\Temp\1e62a268e2511720e6cbf0f77780e3147ca2d060d75118d5e0984e3059593829.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:5096

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/4724-133-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/4724-136-0x0000000002190000-0x0000000002191000-memory.dmp

Filesize
4KB

Download
memory/4724-134-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/5096-135-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/5096-139-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/5096-141-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/5096-142-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/5096-143-0x00000000009E0000-0x0000000000A2C000-memory.dmp

Filesize
304KB

Download
memory/5096-144-0x00000000009E0000-0x0000000000A2C000-memory.dmp

Filesize
304KB

Download
memory/5096-147-0x0000000075F40000-0x0000000076030000-memory.dmp

Filesize
960KB

Download
memory/5096-148-0x0000000000AE0000-0x0000000000AF0000-memory.dmp

Filesize
64KB

Download
memory/5096-150-0x0000000075F40000-0x0000000076030000-memory.dmp

Filesize
960KB

Download
memory/5096-152-0x0000000075F40000-0x0000000076030000-memory.dmp

Filesize
960KB

Download
memory/5096-154-0x0000000000AE0000-0x0000000000AF0000-memory.dmp

Filesize
64KB

Download
memory/5096-156-0x0000000000AE0000-0x0000000000AF0000-memory.dmp

Filesize
64KB

Download
memory/5096-158-0x0000000000AE0000-0x0000000000AF0000-memory.dmp

Filesize
64KB

Download
memory/5096-160-0x0000000075F40000-0x0000000076030000-memory.dmp

Filesize
960KB

Download
memory/5096-162-0x0000000077C42000-0x0000000077C43000-memory.dmp

Filesize
4KB

Download
memory/5096-164-0x0000000000AE0000-0x0000000000AF0000-memory.dmp

Filesize
64KB

Download
memory/5096-165-0x0000000000AE0000-0x0000000000AF0000-memory.dmp

Filesize
64KB

Download
memory/5096-167-0x0000000000AE0000-0x0000000000AF0000-memory.dmp

Filesize
64KB

Download
memory/5096-166-0x0000000000AE0000-0x0000000000AF0000-memory.dmp

Filesize
64KB

Download
memory/5096-168-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/5096-169-0x0000000075F40000-0x0000000076030000-memory.dmp

Filesize
960KB

Download
memory/5096-171-0x0000000075F40000-0x0000000076030000-memory.dmp

Filesize
960KB

Download
memory/5096-170-0x0000000075F40000-0x0000000076030000-memory.dmp

Filesize
960KB

Download
memory/5096-172-0x0000000077C42000-0x0000000077C43000-memory.dmp

Filesize
4KB

Download
memory/5096-173-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/5096-174-0x0000000075F40000-0x0000000076030000-memory.dmp

Filesize
960KB

Download
memory/5096-175-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/5096-176-0x0000000075F40000-0x0000000076030000-memory.dmp

Filesize
960KB

Download
memory/5096-177-0x0000000075F40000-0x0000000076030000-memory.dmp

Filesize
960KB

Download
memory/5096-178-0x0000000000AE0000-0x0000000000AF0000-memory.dmp

Filesize
64KB

Download
memory/5096-180-0x0000000000AE0000-0x0000000000AF0000-memory.dmp

Filesize
64KB

Download
memory/5096-179-0x0000000075F40000-0x0000000076030000-memory.dmp

Filesize
960KB

Download
memory/5096-181-0x0000000000AE0000-0x0000000000AF0000-memory.dmp

Filesize
64KB

Download
memory/5096-182-0x0000000000AE0000-0x0000000000AF0000-memory.dmp

Filesize
64KB

Download
memory/5096-183-0x0000000075F40000-0x0000000076030000-memory.dmp

Filesize
960KB

Download
memory/5096-185-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/5096-186-0x0000000075F40000-0x0000000076030000-memory.dmp

Filesize
960KB

Download
memory/5096-187-0x0000000075F40000-0x0000000076030000-memory.dmp

Filesize
960KB

Download
memory/5096-189-0x0000000000BF0000-0x0000000000C00000-memory.dmp

Filesize
64KB

Download