agenttesla | 3bd0fd9a08763582606b71a86c2bb4a4fc178559e2ac4e3b9ac999bdc95d65b1

General

Target

JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe
Size

482KB
MD5

fd3eba12a7152d8db63aabe18cc4dabf
SHA1

60993033d749b95b89604cb776f5606dbb77fc47
SHA256

3bd0fd9a08763582606b71a86c2bb4a4fc178559e2ac4e3b9ac999bdc95d65b1
SHA512

d0ccbfbeb6e603984100d002885ef3aff22c1196b7a2819872f9abbe8450c538d6cda6f719be4c42d981df9b48b2b1f670bd828885db32382cb69f2150e15eba
SSDEEP

12288:vUi2iNf4iDBfgew83Kh+wcUJMIs1AX3qZ/gyQBz:vUi1aiDaE6hUUJX92zU

Score

10^/10

agenttesla collection discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.privateemail.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 family
agenttesla

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2852-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2852-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2852-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2852-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2852-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2172 set thread context of 2852	2172	JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2852	JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe
2852	JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2852	JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2852	2172	JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe	31
PID 2172 wrote to memory of 2852	2172	JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe	31
PID 2172 wrote to memory of 2852	2172	JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe	31
PID 2172 wrote to memory of 2852	2172	JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe	31
PID 2172 wrote to memory of 2852	2172	JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe	31
PID 2172 wrote to memory of 2852	2172	JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe	31
PID 2172 wrote to memory of 2852	2172	JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe	31
PID 2172 wrote to memory of 2852	2172	JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe	31
PID 2172 wrote to memory of 2852	2172	JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe	31
PID 2172 wrote to memory of 2852	2172	JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe	31
PID 2172 wrote to memory of 2852	2172	JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe	31
PID 2172 wrote to memory of 2852	2172	JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fd3eba12a7152d8db63aabe18cc4dabf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2172-0-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/2172-1-0x0000000000AD0000-0x0000000000B4E000-memory.dmp

Filesize
504KB

Download
memory/2172-2-0x0000000000AB0000-0x0000000000ABE000-memory.dmp

Filesize
56KB

Download
memory/2172-3-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2172-4-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2172-5-0x0000000004810000-0x000000000486E000-memory.dmp

Filesize
376KB

Download
memory/2172-20-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2852-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2852-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2852-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2852-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2852-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2852-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2852-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2852-19-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2852-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2852-21-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2852-22-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2852-23-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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