agenttesla | f934eaed742297ebf534db622f7ab4493cc80c450355a322a4290f3ef386881c

General

Target

f84792e344f97ab2892bf8205ec6de03_JaffaCakes118.exe
Size

789KB
MD5

f84792e344f97ab2892bf8205ec6de03
SHA1

055d512e4682433997f8bc9ba0b5f6a437249072
SHA256

f934eaed742297ebf534db622f7ab4493cc80c450355a322a4290f3ef386881c
SHA512

d36ba97550ea2dcfe4b93745441d59a87d315cf0a7d645c4c4f67ff8fea31c00b830b35ec394787b94be57cb27eb6b99fb3f896de718cbcb16834c2e13719dea
SSDEEP

24576:pyBHjP6+7LrcYt0GcE+2U9oQMBWFBFtIrCh7tYyNN:g/LkX2d0FBFoCh5D

Score

10^/10

agenttesla collection discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.knmbz.com
Port:
587
Username:
[email protected]
Password:
sync@12345

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/2640-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2640-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2640-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2640-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2640-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2240 set thread context of 2640	2240	f84792e344f97ab2892bf8205ec6de03_JaffaCakes118.exe	30

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	f84792e344f97ab2892bf8205ec6de03_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2240	f84792e344f97ab2892bf8205ec6de03_JaffaCakes118.exe
2240	f84792e344f97ab2892bf8205ec6de03_JaffaCakes118.exe
2240	f84792e344f97ab2892bf8205ec6de03_JaffaCakes118.exe
2640	MSBuild.exe
2640	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2240	f84792e344f97ab2892bf8205ec6de03_JaffaCakes118.exe
Token: SeDebugPrivilege	2640	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 2640	2240	f84792e344f97ab2892bf8205ec6de03_JaffaCakes118.exe	30
PID 2240 wrote to memory of 2640	2240	f84792e344f97ab2892bf8205ec6de03_JaffaCakes118.exe	30
PID 2240 wrote to memory of 2640	2240	f84792e344f97ab2892bf8205ec6de03_JaffaCakes118.exe	30
PID 2240 wrote to memory of 2640	2240	f84792e344f97ab2892bf8205ec6de03_JaffaCakes118.exe	30
PID 2240 wrote to memory of 2640	2240	f84792e344f97ab2892bf8205ec6de03_JaffaCakes118.exe	30
PID 2240 wrote to memory of 2640	2240	f84792e344f97ab2892bf8205ec6de03_JaffaCakes118.exe	30
PID 2240 wrote to memory of 2640	2240	f84792e344f97ab2892bf8205ec6de03_JaffaCakes118.exe	30
PID 2240 wrote to memory of 2640	2240	f84792e344f97ab2892bf8205ec6de03_JaffaCakes118.exe	30
PID 2240 wrote to memory of 2640	2240	f84792e344f97ab2892bf8205ec6de03_JaffaCakes118.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\f84792e344f97ab2892bf8205ec6de03_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f84792e344f97ab2892bf8205ec6de03_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:2240
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "{path}"
  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:2640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2240-0-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

Filesize
4KB

Download
memory/2240-1-0x0000000000E90000-0x0000000000F5C000-memory.dmp

Filesize
816KB

Download
memory/2240-2-0x0000000000590000-0x00000000005A2000-memory.dmp

Filesize
72KB

Download
memory/2240-3-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

Filesize
4KB

Download
memory/2240-4-0x0000000074D80000-0x000000007546E000-memory.dmp

Filesize
6.9MB

Download
memory/2240-5-0x0000000005460000-0x00000000054EC000-memory.dmp

Filesize
560KB

Download
memory/2240-6-0x00000000054F0000-0x0000000005578000-memory.dmp

Filesize
544KB

Download
memory/2240-21-0x0000000074D80000-0x000000007546E000-memory.dmp

Filesize
6.9MB

Download
memory/2640-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2640-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2640-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2640-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2640-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2640-15-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2640-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2640-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2640-23-0x0000000074D80000-0x000000007546E000-memory.dmp

Filesize
6.9MB

Download
memory/2640-24-0x0000000074D80000-0x000000007546E000-memory.dmp

Filesize
6.9MB

Download
memory/2640-25-0x0000000074D80000-0x000000007546E000-memory.dmp

Filesize
6.9MB

Download
memory/2640-26-0x0000000074D80000-0x000000007546E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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