agenttesla | 7fd3d9d611f69b2a54329cabc7c5000e65f54a733b52ec771a382f63fa820617

General

Target

72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe
Size

304KB
MD5

72e7c1c354f2680beb148df6723b10ed
SHA1

cb251f36264a34f6bdcb1367e7632f37c1ba80a6
SHA256

7fd3d9d611f69b2a54329cabc7c5000e65f54a733b52ec771a382f63fa820617
SHA512

fed81754b5f54553666da90aa2a2aee8527688a2c3a5ac6f4e881372464b5c4686f4ca284afd75f5dd6380feab1d21662b602431922d03f3d0472c17f136752f
SSDEEP

6144:F8LxBsWND9SaE1oekh8KP8I3WlaJ5mVKzPp2xnMVmKeUyTP83RKHE:/Wx9OYSqpNgMVmKexT2IHE

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Signatures

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

AgentTesla payload 4 IoCs

resource	yara_rule
behavioral1/memory/2812-9-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2812-11-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2812-13-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2812-14-0x0000000002010000-0x000000000204C000-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

Loads dropped DLL 1 IoCs

pid	Process
2120	72e7c1c354f2680beb148df6723b10ed_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
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-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2120 set thread context of 2812	2120	72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe	31

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 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	72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2812	72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe
2812	72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2812	72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2812	2120	72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe	31
PID 2120 wrote to memory of 2812	2120	72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe	31
PID 2120 wrote to memory of 2812	2120	72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe	31
PID 2120 wrote to memory of 2812	2120	72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe	31
PID 2120 wrote to memory of 2812	2120	72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe	31
PID 2120 wrote to memory of 2812	2120	72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe	31
PID 2120 wrote to memory of 2812	2120	72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe	31
PID 2120 wrote to memory of 2812	2120	72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe	31
PID 2120 wrote to memory of 2812	2120	72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe	31
PID 2120 wrote to memory of 2812	2120	72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe	31
PID 2120 wrote to memory of 2812	2120	72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Users\Admin\AppData\Local\Temp\72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\72e7c1c354f2680beb148df6723b10ed_JaffaCakes118.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:2812

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 Information Discovery

1

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\Temp\nstEBD6.tmp\otpbkk.dll

Filesize
24KB

MD5
ebc1cc1b843612d9aed6fe9a5d6df5f4

SHA1
5ebde7449aac6e0e6944854eddb9faf6fdafbe10

SHA256
aaea1153e1b3519d6e0836b4f6b9d3c0afa55e37e75470f33b7771625fdabc3b

SHA512
0aaede863a3bafd980c51b1ebd127b34974547c15c948a5510b0b1d40c9ec55b6729d0bb49f2f8897ee2949271a248b80a11528c02b283f0e84bd32e06ea7dbd

Download Submit
memory/2120-7-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download
memory/2120-12-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download
memory/2812-9-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2812-11-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2812-13-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2812-14-0x0000000002010000-0x000000000204C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing