agenttesla | 85e3e0df304bc9aa1bf1aab6c2fa0b9141aa2830699087b4edf2bffc06367f9d

General

Target

029a668b833e8c2ed5d7e68feb6aafe2_JaffaCakes118.exe
Size

429KB
MD5

029a668b833e8c2ed5d7e68feb6aafe2
SHA1

f8d50fd96b6e84645eb7fabd32440b06a4ad9518
SHA256

85e3e0df304bc9aa1bf1aab6c2fa0b9141aa2830699087b4edf2bffc06367f9d
SHA512

7aae7b995d964a97d4bf85f7b602fd11e69eea3669f8f389e0d448f11e305e42a228ad8d56f90cdea5e0f1a8f06940fc198265083ad4444e5de8a47b93385f9c
SSDEEP

6144:tga6NXlEUA+RVGcU78+y1gutr257K4kMd1TMg1KQwvCQgmVn/q/kZEAmg+:ia6FlEh+aptuR21JugdmVn/q/kZEAmD

Score

10^/10

agenttesla collection discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ingeniumhea.com
Port:
587
Username:
[email protected]
Password:
IngeniumM18
Email To:
[email protected]

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/2796-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2796-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2796-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2796-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2796-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\vlc = "C:\\Users\\Admin\\AppData\\Roaming\\vlc\\75878.exe"	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
748	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2720 set thread context of 2796	2720	029a668b833e8c2ed5d7e68feb6aafe2_JaffaCakes118.exe	31

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	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	029a668b833e8c2ed5d7e68feb6aafe2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2796	RegAsm.exe
2796	RegAsm.exe
748	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2796	RegAsm.exe
Token: SeDebugPrivilege	748	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 748	2720	029a668b833e8c2ed5d7e68feb6aafe2_JaffaCakes118.exe	29
PID 2720 wrote to memory of 748	2720	029a668b833e8c2ed5d7e68feb6aafe2_JaffaCakes118.exe	29
PID 2720 wrote to memory of 748	2720	029a668b833e8c2ed5d7e68feb6aafe2_JaffaCakes118.exe	29
PID 2720 wrote to memory of 748	2720	029a668b833e8c2ed5d7e68feb6aafe2_JaffaCakes118.exe	29
PID 2720 wrote to memory of 2796	2720	029a668b833e8c2ed5d7e68feb6aafe2_JaffaCakes118.exe	31
PID 2720 wrote to memory of 2796	2720	029a668b833e8c2ed5d7e68feb6aafe2_JaffaCakes118.exe	31
PID 2720 wrote to memory of 2796	2720	029a668b833e8c2ed5d7e68feb6aafe2_JaffaCakes118.exe	31
PID 2720 wrote to memory of 2796	2720	029a668b833e8c2ed5d7e68feb6aafe2_JaffaCakes118.exe	31
PID 2720 wrote to memory of 2796	2720	029a668b833e8c2ed5d7e68feb6aafe2_JaffaCakes118.exe	31
PID 2720 wrote to memory of 2796	2720	029a668b833e8c2ed5d7e68feb6aafe2_JaffaCakes118.exe	31
PID 2720 wrote to memory of 2796	2720	029a668b833e8c2ed5d7e68feb6aafe2_JaffaCakes118.exe	31
PID 2720 wrote to memory of 2796	2720	029a668b833e8c2ed5d7e68feb6aafe2_JaffaCakes118.exe	31
PID 2720 wrote to memory of 2796	2720	029a668b833e8c2ed5d7e68feb6aafe2_JaffaCakes118.exe	31
PID 2720 wrote to memory of 2796	2720	029a668b833e8c2ed5d7e68feb6aafe2_JaffaCakes118.exe	31
PID 2720 wrote to memory of 2796	2720	029a668b833e8c2ed5d7e68feb6aafe2_JaffaCakes118.exe	31
PID 2720 wrote to memory of 2796	2720	029a668b833e8c2ed5d7e68feb6aafe2_JaffaCakes118.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\029a668b833e8c2ed5d7e68feb6aafe2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\029a668b833e8c2ed5d7e68feb6aafe2_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Remove-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'vlc';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'vlc' -Value '"C:\Users\Admin\AppData\Roaming\vlc\75878.exe"' -PropertyType 'String'
  2⤵
  - Adds Run key to start application
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:748
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  09787567553829814d989847239075387590780738278687y7937949@$^%^*{:LKJGbz7nY&*R$*(&*(_&)*&)9
  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:2796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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

2

T1552

Credentials In Files

2

T1552.001

Discovery

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

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Downloads

memory/2720-8-0x0000000000700000-0x0000000000740000-memory.dmp

Filesize
256KB

Download
memory/2720-2-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2720-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2720-21-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2720-4-0x0000000001F20000-0x0000000001F82000-memory.dmp

Filesize
392KB

Download
memory/2720-5-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2720-6-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2720-7-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2720-3-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2720-1-0x0000000000AA0000-0x0000000000B14000-memory.dmp

Filesize
464KB

Download
memory/2796-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2796-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2796-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2796-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2796-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2796-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2796-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2796-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads