agenttesla | f267d7b1aaf24adf016af932c069abebf8789bf864b56c9b9e81d51d8c3d23c2

General

Target

JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe
Size

450KB
MD5

1f5fc6b5705f02547b22f321de7e246c
SHA1

5145b4acd60311d02630d0981c23699485ec58d0
SHA256

f267d7b1aaf24adf016af932c069abebf8789bf864b56c9b9e81d51d8c3d23c2
SHA512

58af42103606c48b67f55ebb2f70c66c0d2d2f25556aa118b657635bdcec2b22c7784e8ea4386074afa147fa7bd7fe94aae680e3c78e3ed5c1eae0d4b050ad68
SSDEEP

12288:9dxin6lAe0wOqK7tWzWlJ+lhJOED0UkT8n1TxAf:3Y6lU7qCbJ+lWUn1TCf

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sautiyapwanifm.com
Port:
587
Username:
[email protected]
Password:
Uwada12345

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/2848-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2848-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2848-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2848-24-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2848-27-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2444 set thread context of 2848	2444	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe	33

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	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2832	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2444	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe
2444	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe
2848	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe
2848	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2444	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe
Token: SeDebugPrivilege	2848	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2848	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 2832	2444	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe	31
PID 2444 wrote to memory of 2832	2444	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe	31
PID 2444 wrote to memory of 2832	2444	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe	31
PID 2444 wrote to memory of 2832	2444	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe	31
PID 2444 wrote to memory of 2848	2444	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe	33
PID 2444 wrote to memory of 2848	2444	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe	33
PID 2444 wrote to memory of 2848	2444	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe	33
PID 2444 wrote to memory of 2848	2444	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe	33
PID 2444 wrote to memory of 2848	2444	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe	33
PID 2444 wrote to memory of 2848	2444	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe	33
PID 2444 wrote to memory of 2848	2444	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe	33
PID 2444 wrote to memory of 2848	2444	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe	33
PID 2444 wrote to memory of 2848	2444	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NloWGThpQBccP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3A62.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2832
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f5fc6b5705f02547b22f321de7e246c.exe"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

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

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Downloads

memory/2444-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/2444-1-0x0000000001180000-0x00000000011F6000-memory.dmp

Filesize
472KB

Download
memory/2444-2-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2444-3-0x0000000000580000-0x000000000058E000-memory.dmp

Filesize
56KB

Download
memory/2444-4-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/2444-5-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2444-6-0x0000000005120000-0x0000000005180000-memory.dmp

Filesize
384KB

Download
memory/2444-30-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2848-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2848-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2848-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2848-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2848-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2848-24-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2848-29-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2848-28-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2848-27-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2848-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2848-31-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2848-32-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads