agenttesla | fb366ecda1b1b244d00abca67abc3708c26477c34a20c4e1833c7b4cf501ca35

General

Target

e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe
Size

533KB
MD5

e0cd76df54576d98a23dd74052da970b
SHA1

1eb9956b44efff07183c0b0c6c008a5d0b3d8e94
SHA256

fb366ecda1b1b244d00abca67abc3708c26477c34a20c4e1833c7b4cf501ca35
SHA512

9fcf5d1844892567e975f530e4c271fa135ab5d87d9e20623cc9a73c72770598f4d4c27cf8b9bfd9239c076d5167532d8d536fa18df0646c37eeea4f36e7919e
SSDEEP

12288:CzYLjP6eP9KqR12Ea/FkEHWytz/kuyXf2Jgb:E+jP6+KQ4EaNWytz4XfE2

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.clark-relaince.com
Port:
587
Username:
[email protected]
Password:
fQtZJSp7

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/1452-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3160 set thread context of 1452	3160	e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe	95

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	e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3160	e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe
3160	e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe
3160	e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe
1452	e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe
1452	e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3160	e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe
Token: SeDebugPrivilege	1452	e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3160 wrote to memory of 1452	3160	e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe	95
PID 3160 wrote to memory of 1452	3160	e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe	95
PID 3160 wrote to memory of 1452	3160	e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe	95
PID 3160 wrote to memory of 1452	3160	e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe	95
PID 3160 wrote to memory of 1452	3160	e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe	95
PID 3160 wrote to memory of 1452	3160	e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe	95
PID 3160 wrote to memory of 1452	3160	e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe	95
PID 3160 wrote to memory of 1452	3160	e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3160
- C:\Users\Admin\AppData\Local\Temp\e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe
  "{path}"
  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:1452

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

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1452-19-0x0000000005ED0000-0x0000000005F36000-memory.dmp

Filesize
408KB

Download
memory/1452-18-0x0000000005630000-0x0000000005648000-memory.dmp

Filesize
96KB

Download
memory/1452-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1452-23-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/1452-22-0x00000000062D0000-0x0000000006320000-memory.dmp

Filesize
320KB

Download
memory/1452-21-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/1452-20-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/1452-17-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/1452-15-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/1452-24-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/3160-8-0x000000007524E000-0x000000007524F000-memory.dmp

Filesize
4KB

Download
memory/3160-1-0x0000000000EB0000-0x0000000000F3C000-memory.dmp

Filesize
560KB

Download
memory/3160-10-0x0000000008140000-0x000000000819C000-memory.dmp

Filesize
368KB

Download
memory/3160-16-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/3160-9-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/3160-3-0x00000000057F0000-0x0000000005882000-memory.dmp

Filesize
584KB

Download
memory/3160-2-0x0000000005EC0000-0x0000000006464000-memory.dmp

Filesize
5.6MB

Download
memory/3160-7-0x00000000059D0000-0x00000000059E2000-memory.dmp

Filesize
72KB

Download
memory/3160-6-0x00000000081E0000-0x000000000827C000-memory.dmp

Filesize
624KB

Download
memory/3160-0-0x000000007524E000-0x000000007524F000-memory.dmp

Filesize
4KB

Download
memory/3160-4-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/3160-5-0x00000000057B0000-0x00000000057BA000-memory.dmp

Filesize
40KB

Download
memory/3160-11-0x000000000A9C0000-0x000000000AA0E000-memory.dmp

Filesize
312KB

Download

Resubmissions

Analysis

Sharing