agenttesla | fc37e01bcc7919699ec81a825718d0639eaf85eef7e7b87111ff33b53fd09b0b

General

Target

04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe
Size

442KB
MD5

04e761381caf955122a817f09ecb36b1
SHA1

37d443dd00b448a9661f7728a1c620729b10ddcf
SHA256

fc37e01bcc7919699ec81a825718d0639eaf85eef7e7b87111ff33b53fd09b0b
SHA512

ac48f9321604c38c52498be5c48ade24dadc0f1139fab5ca6b9c96b1aa326023eac09391b0189ae7b7ffb3bdd6eddc18ceb76dafcc9f7428a4fc8bf0d554111b
SSDEEP

6144:OQbGb6t7QSvKpgKQ9MJqgJOd9GLbqg50S2yURNF//E:9b46yur9MoUs9+q40bj/

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.fitchreatings.com
Port:
587
Username:
johnson.florenciani@fitchreatings.com
Password:
5{k0%{QmvnXe

Signatures

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

AgentTesla payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2016-120-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2016-122-0x0000000004B20000-0x0000000004B60000-memory.dmp	family_agenttesla
behavioral1/memory/2016-124-0x0000000004B20000-0x0000000004B60000-memory.dmp	family_agenttesla

Loads dropped DLL 1 IoCs

Processes:

04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe

pid process

1800 04e761381caf955122a817f09ecb36b1_JaffaCakes118.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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe

description	pid	process	target process
PID 1800 set thread context of 2016	1800	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe

pid	process
1800	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe
2016	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe
2016	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	1800	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe
Token: SeDebugPrivilege	2016	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe

description	pid	process	target process
PID 1800 wrote to memory of 2016	1800	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe
PID 1800 wrote to memory of 2016	1800	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe
PID 1800 wrote to memory of 2016	1800	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe
PID 1800 wrote to memory of 2016	1800	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe
PID 1800 wrote to memory of 2016	1800	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe
PID 1800 wrote to memory of 2016	1800	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe
PID 1800 wrote to memory of 2016	1800	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe
PID 1800 wrote to memory of 2016	1800	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe
PID 1800 wrote to memory of 2016	1800	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe

outlook_office_path 1 IoCs

Processes:

04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe

outlook_win_path 1 IoCs

Processes:

04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1800

C:\Users\Admin\AppData\Local\Temp\04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\04e761381caf955122a817f09ecb36b1_JaffaCakes118.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2016

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

\Users\Admin\AppData\Local\Temp\b438b2b2-a27d-417f-8ec9-625540b311a1\g.dll
Filesize
94KB

MD5
14ff402962ad21b78ae0b4c43cd1f194

SHA1
f8a510eb26666e875a5bdd1cadad40602763ad72

SHA256
fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

SHA512
daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

Download Submit
memory/1800-32-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-0-0x0000000001300000-0x0000000001374000-memory.dmp

Filesize
464KB

Download
memory/1800-3-0x0000000000570000-0x0000000000594000-memory.dmp

Filesize
144KB

Download
memory/1800-1-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/1800-72-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-70-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-66-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-64-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-62-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-60-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-36-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-56-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-30-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-52-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-50-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-48-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-46-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-44-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-40-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-38-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-58-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-2-0x00000000048D0000-0x0000000004910000-memory.dmp

Filesize
256KB

Download
memory/1800-54-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-28-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-26-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-24-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-22-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-20-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-18-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-16-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-14-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-12-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-11-0x0000000000570000-0x000000000058F000-memory.dmp

Filesize
124KB

Download
memory/1800-10-0x00000000743D0000-0x0000000074450000-memory.dmp

Filesize
512KB

Download
memory/1800-101-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/1800-102-0x00000000048D0000-0x0000000004910000-memory.dmp

Filesize
256KB

Download
memory/1800-103-0x00000000009E0000-0x00000000009EC000-memory.dmp

Filesize
48KB

Download
memory/1800-121-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/2016-120-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2016-119-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/2016-122-0x0000000004B20000-0x0000000004B60000-memory.dmp

Filesize
256KB

Download
memory/2016-123-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/2016-124-0x0000000004B20000-0x0000000004B60000-memory.dmp

Filesize
256KB

Download
memory/2016-125-0x0000000004B20000-0x0000000004B60000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads