agenttesla | 69981dbf3738e7eee278b1edc2128e2f9b1f96c7d4b90501a6ad671715baed9d

General

Target

e7680360f5b6383b94b9eccd07a37f96_JaffaCakes118.exe
Size

587KB
MD5

e7680360f5b6383b94b9eccd07a37f96
SHA1

efe2b3a24573235a070c4e44b611a05f734fb29d
SHA256

69981dbf3738e7eee278b1edc2128e2f9b1f96c7d4b90501a6ad671715baed9d
SHA512

8041412da95404fd60da0ece596469843939159bf8c571e44edf3fc4440a7065f5580932b31e6ef759de26f7bf5fbd4e46f7e5128aef8c1393c99158c0d55e39
SSDEEP

12288:TlopWUu3uUX+kBPtez974SFHTOWD73IFq5YHMDJT6YashlM0JT6YashlM:ZqQAkB0bb3H5/9ashlV9ashl

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.citechco.net
Port:
587
Username:
[email protected]
Password:
Webana@321#

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/2772-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2772-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2772-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2772-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2772-9-0x0000000000400000-0x000000000043C000-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

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

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	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1992 set thread context of 2772	1992	e7680360f5b6383b94b9eccd07a37f96_JaffaCakes118.exe	31

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	e7680360f5b6383b94b9eccd07a37f96_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1992	e7680360f5b6383b94b9eccd07a37f96_JaffaCakes118.exe
1992	e7680360f5b6383b94b9eccd07a37f96_JaffaCakes118.exe
2772	RegSvcs.exe
2772	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1992	e7680360f5b6383b94b9eccd07a37f96_JaffaCakes118.exe
Token: SeDebugPrivilege	2772	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2772	1992	e7680360f5b6383b94b9eccd07a37f96_JaffaCakes118.exe	31
PID 1992 wrote to memory of 2772	1992	e7680360f5b6383b94b9eccd07a37f96_JaffaCakes118.exe	31
PID 1992 wrote to memory of 2772	1992	e7680360f5b6383b94b9eccd07a37f96_JaffaCakes118.exe	31
PID 1992 wrote to memory of 2772	1992	e7680360f5b6383b94b9eccd07a37f96_JaffaCakes118.exe	31
PID 1992 wrote to memory of 2772	1992	e7680360f5b6383b94b9eccd07a37f96_JaffaCakes118.exe	31
PID 1992 wrote to memory of 2772	1992	e7680360f5b6383b94b9eccd07a37f96_JaffaCakes118.exe	31
PID 1992 wrote to memory of 2772	1992	e7680360f5b6383b94b9eccd07a37f96_JaffaCakes118.exe	31
PID 1992 wrote to memory of 2772	1992	e7680360f5b6383b94b9eccd07a37f96_JaffaCakes118.exe	31
PID 1992 wrote to memory of 2772	1992	e7680360f5b6383b94b9eccd07a37f96_JaffaCakes118.exe	31
PID 1992 wrote to memory of 2772	1992	e7680360f5b6383b94b9eccd07a37f96_JaffaCakes118.exe	31
PID 1992 wrote to memory of 2772	1992	e7680360f5b6383b94b9eccd07a37f96_JaffaCakes118.exe	31
PID 1992 wrote to memory of 2772	1992	e7680360f5b6383b94b9eccd07a37f96_JaffaCakes118.exe	31

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	RegSvcs.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	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\e7680360f5b6383b94b9eccd07a37f96_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e7680360f5b6383b94b9eccd07a37f96_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:1992
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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
  - outlook_office_path
  - outlook_win_path
  PID:2772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1992-0-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/1992-1-0x0000000000310000-0x00000000003AA000-memory.dmp

Filesize
616KB

Download
memory/1992-2-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/1992-3-0x00000000003C0000-0x00000000003D2000-memory.dmp

Filesize
72KB

Download
memory/1992-4-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/1992-5-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/1992-6-0x0000000004FE0000-0x0000000005040000-memory.dmp

Filesize
384KB

Download
memory/1992-20-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2772-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2772-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2772-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2772-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2772-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2772-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2772-18-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2772-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2772-19-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2772-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2772-21-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2772-22-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2772-25-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2772-26-0x0000000074660000-0x0000000074D4E000-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