agenttesla | 46b029e60efd3295a479f3ef21c9239348ac91eda4ad6e966ae18626283800e7

General

Target

f77924411a9e404ad0717fae7aaf580c_JaffaCakes118.exe
Size

1.3MB
MD5

f77924411a9e404ad0717fae7aaf580c
SHA1

6e9fb2e0297685953e293a6ff9616e9ed13c482a
SHA256

46b029e60efd3295a479f3ef21c9239348ac91eda4ad6e966ae18626283800e7
SHA512

87896d33a96026c9ca75ba7c205672f75838b3f4ce21048b5e2d0f1584730960c812db90ad3eb932d454159e06de7a4c31549524dfc4b1a38e1ee2a7b24117a4
SSDEEP

24576:h95ooKw0UYoVJ5jbUVlAUGwNbwPWnuCXnw8I6TvvtBJ+d9pu80roJvKeSWta3t4v:HWoKw0UYiJ5jbo5GqbwPWnuCXnbRTHtW

Score

10^/10

agenttesla collection keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.alfafoodservices.com
Port:
587
Username:
[email protected]
Password:
gwagon2014

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla payload 4 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\test.exe	family_agenttesla
behavioral2/memory/5004-5-0x0000000000AD0000-0x0000000000B20000-memory.dmp	family_agenttesla
behavioral2/memory/5004-9-0x0000000005520000-0x0000000005530000-memory.dmp	family_agenttesla
behavioral2/memory/5004-25-0x0000000005520000-0x0000000005530000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

Processes:

test.exe

pid process

5004 test.exe
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

pid	process
5004	test.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4856-0-0x0000000000400000-0x00000000006A3000-memory.dmp	upx
behavioral2/memory/4856-22-0x0000000000400000-0x00000000006A3000-memory.dmp	upx

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

test.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	test.exe
Key opened	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	test.exe
Key opened	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	test.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

test.exe

pid process

5004 test.exe
5004 test.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

test.exe

description pid process

Token: SeDebugPrivilege 5004 test.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

test.exe

pid process

5004 test.exe

pid	process
5004	test.exe
5004	test.exe

description	pid	process
Token: SeDebugPrivilege	5004	test.exe

pid	process
5004	test.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f77924411a9e404ad0717fae7aaf580c_JaffaCakes118.execmd.exe

description	pid	process	target process
PID 4856 wrote to memory of 852	4856	f77924411a9e404ad0717fae7aaf580c_JaffaCakes118.exe	cmd.exe
PID 4856 wrote to memory of 852	4856	f77924411a9e404ad0717fae7aaf580c_JaffaCakes118.exe	cmd.exe
PID 4856 wrote to memory of 852	4856	f77924411a9e404ad0717fae7aaf580c_JaffaCakes118.exe	cmd.exe
PID 852 wrote to memory of 5004	852	cmd.exe	test.exe
PID 852 wrote to memory of 5004	852	cmd.exe	test.exe
PID 852 wrote to memory of 5004	852	cmd.exe	test.exe

outlook_office_path 1 IoCs

Processes:

test.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	test.exe

outlook_win_path 1 IoCs

Processes:

test.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	test.exe

C:\Users\Admin\AppData\Local\Temp\f77924411a9e404ad0717fae7aaf580c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f77924411a9e404ad0717fae7aaf580c_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4856

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c test.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:852

C:\Users\Admin\AppData\Local\Temp\test.exe
test.exe
3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:5004

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

4

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\test.exe
Filesize
291KB

MD5
1dd3a68cfbc3092098ffb0f5962dee95

SHA1
5932b72546f15e4a7b57eeadb426449ff78fb08b

SHA256
b2e07d1d9aafaf365fc35c25acd07584fd07e12287435e383ceee767a409bd50

SHA512
4046655802bbfff2e2ed43655a27054296bb999681066772774b93bfd25180812f21f839481fa70d200928ef13fd9a9ee8e07632792bd6f1f071270f5eb755d1

Download Submit
memory/4856-0-0x0000000000400000-0x00000000006A3000-memory.dmp

Filesize
2.6MB

Download
memory/4856-22-0x0000000000400000-0x00000000006A3000-memory.dmp

Filesize
2.6MB

Download
memory/5004-11-0x00000000055E0000-0x00000000055F8000-memory.dmp

Filesize
96KB

Download
memory/5004-13-0x0000000006990000-0x00000000069E0000-memory.dmp

Filesize
320KB

Download
memory/5004-9-0x0000000005520000-0x0000000005530000-memory.dmp

Filesize
64KB

Download
memory/5004-8-0x0000000005670000-0x0000000005702000-memory.dmp

Filesize
584KB

Download
memory/5004-10-0x00000000058A0000-0x000000000593C000-memory.dmp

Filesize
624KB

Download
memory/5004-5-0x0000000000AD0000-0x0000000000B20000-memory.dmp

Filesize
320KB

Download
memory/5004-12-0x0000000005C40000-0x0000000005CA6000-memory.dmp

Filesize
408KB

Download
memory/5004-7-0x0000000005D60000-0x0000000006304000-memory.dmp

Filesize
5.6MB

Download
memory/5004-19-0x0000000006E20000-0x0000000006E2A000-memory.dmp

Filesize
40KB

Download
memory/5004-20-0x0000000005520000-0x0000000005530000-memory.dmp

Filesize
64KB

Download
memory/5004-6-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/5004-24-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/5004-25-0x0000000005520000-0x0000000005530000-memory.dmp

Filesize
64KB

Download
memory/5004-27-0x0000000005520000-0x0000000005530000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads