agenttesla | 6fbf92e7feb171af3ba08bfc6a87cdd5f6226a2b7a38c3b586fc677464774974

General

Target

493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe
Size

572KB
MD5

493dc3802cad640021e2a78ba2bd270c
SHA1

c79f9d5a3953db71e44a89a5185abf81586ce812
SHA256

6fbf92e7feb171af3ba08bfc6a87cdd5f6226a2b7a38c3b586fc677464774974
SHA512

2de1d744500854e60446e3146058a8a9979f0b1dd6b30b1a6dfdf0fd582db42876fefd1e51a360db94b84981e4048781ebf70de571c4168474d010e1c275a8d7
SSDEEP

6144:Qj0QBlWjrvtRcOLFvMPuQ+A5yPDsyfG+H0DWOEFHWu+Q5C0/HAJPnuXU4gl/AM73:5RcGCNyPffGNrEgLyJAJPukFV3+n

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.emergencyleavedpt.com
Port:
587
Username:
[email protected]
Password:
zQ@xw*c1

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/1148-9-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	493dc3802cad640021e2a78ba2bd270c_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 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
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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 112 set thread context of 1148	112	493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe	97

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4432	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1148	493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe
1148	493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1148	493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 112 wrote to memory of 4432	112	493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe	95
PID 112 wrote to memory of 4432	112	493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe	95
PID 112 wrote to memory of 4432	112	493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe	95
PID 112 wrote to memory of 1148	112	493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe	97
PID 112 wrote to memory of 1148	112	493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe	97
PID 112 wrote to memory of 1148	112	493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe	97
PID 112 wrote to memory of 1148	112	493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe	97
PID 112 wrote to memory of 1148	112	493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe	97
PID 112 wrote to memory of 1148	112	493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe	97
PID 112 wrote to memory of 1148	112	493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe	97
PID 112 wrote to memory of 1148	112	493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:112
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fgTRNOIeBmtp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA8A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4432
- C:\Users\Admin\AppData\Local\Temp\493dc3802cad640021e2a78ba2bd270c_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:1148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

Query Registry

1

T1012

System Information Discovery

2

T1082

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_v2.0_32\UsageLogs\493dc3802cad640021e2a78ba2bd270c_JaffaCakes118.exe.log

Filesize
496B

MD5
cb76b18ebed3a9f05a14aed43d35fba6

SHA1
836a4b4e351846fca08b84149cb734cb59b8c0d6

SHA256
8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

SHA512
7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA8A.tmp

Filesize
1KB

MD5
2159ddee573bb2bd7680046c7ca9aeec

SHA1
34922e82e67536aaec07018740fb2059dd1b7829

SHA256
3baab845535b4e95753318b458892cd18c4d3e13b6684c0a726467cab945ff50

SHA512
1b00b54cf58dc0890f0a7857157b9085127ceddc9d71b892dbf5daeb3982ec5e7c0cf4e719a6affb1d500392e934ab4f43a591af0146b14976b7a15be8eb626e

Download Submit
memory/112-4-0x0000000074D02000-0x0000000074D03000-memory.dmp

Filesize
4KB

Download
memory/112-13-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/112-0-0x0000000074D02000-0x0000000074D03000-memory.dmp

Filesize
4KB

Download
memory/112-5-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/112-2-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/112-3-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/112-1-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/1148-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1148-14-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/1148-12-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/1148-15-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/1148-16-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/1148-17-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/1148-18-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/1148-19-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/1148-20-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads