agenttesla | c6133d9ed21a03bf391b5428aa4af7702fa7704e4939f43d526a8fcba25a7874

General

Target

1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe
Size

1.1MB
MD5

1173ca30d76e1993380712b278b6a109
SHA1

b064d00b7c7ac33f0b329421412a5a59a24af92c
SHA256

c6133d9ed21a03bf391b5428aa4af7702fa7704e4939f43d526a8fcba25a7874
SHA512

a698bf539217e56abf3a5b6c810f903526176a8bf6950af6efd6bc4a251cb63e4f34fb6d1064ce8801fa384a39cfc11d0c3f920323397b84b6f7583aea86169e
SSDEEP

24576:vSHZa/h/B9MNjFho70L14GmSKnXJQT0OXQsiN7f:vSHZVhr+0LBKnXJ/OXQlh

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.spamora.net
Port:
587
Username:
[email protected]
Password:
Emotion22

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2744-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2744-28-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2744-25-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2744-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2744-23-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1173ca30d76e1993380712b278b6a109_JaffaCakes118.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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\MLdAu = "C:\\Users\\Admin\\AppData\\Roaming\\MLdAu\\MLdAu.exe"	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2152 set thread context of 2744	2152	1173ca30d76e1993380712b278b6a109_JaffaCakes118.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	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1173ca30d76e1993380712b278b6a109_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
2828	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2744	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe
2152	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe
2744	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2744	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe
Token: SeDebugPrivilege	2152	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2744	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 2828	2152	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	31
PID 2152 wrote to memory of 2828	2152	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	31
PID 2152 wrote to memory of 2828	2152	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	31
PID 2152 wrote to memory of 2828	2152	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	31
PID 2152 wrote to memory of 2744	2152	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	33
PID 2152 wrote to memory of 2744	2152	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	33
PID 2152 wrote to memory of 2744	2152	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	33
PID 2152 wrote to memory of 2744	2152	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	33
PID 2152 wrote to memory of 2744	2152	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	33
PID 2152 wrote to memory of 2744	2152	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	33
PID 2152 wrote to memory of 2744	2152	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	33
PID 2152 wrote to memory of 2744	2152	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	33
PID 2152 wrote to memory of 2744	2152	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1173ca30d76e1993380712b278b6a109_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:2152
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oSJuRSmgDqR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6FB4.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2828
- C:\Users\Admin\AppData\Local\Temp\1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe"
  2⤵
  - 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:2744

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

C:\Users\Admin\AppData\Local\Temp\tmp6FB4.tmp

Filesize
1KB

MD5
eb5d44bfd027d40ae3bba65c1082e94b

SHA1
cf6da3a895e938397f1ca5f706b122a83e7cc8dd

SHA256
c7e78d422be2d11b419051e70c4b59cbc5db5b14a90ce25a03a9770ea6a6e8d4

SHA512
a5d378f89f27c606950c07cdba666727f834229a760753c0c7f490b0673fc5d35c5b38abf6ddc0f44249c0d0efaa2adca8cc83e2aa738ea33ffd0327f29a1ce6

Download Submit
C:\Users\Admin\AppData\Roaming\MLdAu\MLdAu.exe

Filesize
1.1MB

MD5
1173ca30d76e1993380712b278b6a109

SHA1
b064d00b7c7ac33f0b329421412a5a59a24af92c

SHA256
c6133d9ed21a03bf391b5428aa4af7702fa7704e4939f43d526a8fcba25a7874

SHA512
a698bf539217e56abf3a5b6c810f903526176a8bf6950af6efd6bc4a251cb63e4f34fb6d1064ce8801fa384a39cfc11d0c3f920323397b84b6f7583aea86169e

Download Submit
memory/2152-30-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2152-1-0x00000000008A0000-0x00000000009C2000-memory.dmp

Filesize
1.1MB

Download
memory/2152-2-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2152-3-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2152-4-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/2152-5-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2152-6-0x0000000007AD0000-0x0000000007B72000-memory.dmp

Filesize
648KB

Download
memory/2152-7-0x0000000004370000-0x00000000043AC000-memory.dmp

Filesize
240KB

Download
memory/2152-0-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/2744-28-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2744-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2744-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2744-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2744-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2744-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2744-29-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2744-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2744-31-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2744-32-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2744-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads