agenttesla | 13f96451e9e4a07f4644b225e93b510a8b226dd77d1d5d6b2c04e3d51681a4c7

General

Target

da2463ee710cf1233d7af8d1ece47d0a_JaffaCakes118.exe
Size

549KB
MD5

da2463ee710cf1233d7af8d1ece47d0a
SHA1

128273d895b7085414e0b6859cd045aee6a4eaa3
SHA256

13f96451e9e4a07f4644b225e93b510a8b226dd77d1d5d6b2c04e3d51681a4c7
SHA512

84b2aaf79a10119d1458245a5d8f093e1e7aedb33e9277b80c691ae399b61576e4d9a10796eaaedbff0e5042fe7ca13fc5f6069326a1ebdaf49bbb6d045b4a8d
SSDEEP

12288:Exde6nv/lQVDc9ZJAGDxtERgVYGG9Swm9F/kVc8PTxY7SR:ExdeivNQFcLTXERgBGZYJkVH

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.cortlandfire.org
Port:
587
Username:
[email protected]
Password:
UsMc2336

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.cortlandfire.org
Port:
587
Username:
[email protected]
Password:
UsMc2336

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/4616-6-0x0000000000400000-0x0000000000466000-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
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-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\15.0\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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DsWhv = "C:\\Users\\Admin\\AppData\\Roaming\\DsWhv\\DsWhv.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1068 set thread context of 4616	1068	da2463ee710cf1233d7af8d1ece47d0a_JaffaCakes118.exe	96

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	da2463ee710cf1233d7af8d1ece47d0a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1068	da2463ee710cf1233d7af8d1ece47d0a_JaffaCakes118.exe
1068	da2463ee710cf1233d7af8d1ece47d0a_JaffaCakes118.exe
1068	da2463ee710cf1233d7af8d1ece47d0a_JaffaCakes118.exe
4616	RegSvcs.exe
4616	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1068	da2463ee710cf1233d7af8d1ece47d0a_JaffaCakes118.exe
Token: SeDebugPrivilege	4616	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1068 wrote to memory of 4616	1068	da2463ee710cf1233d7af8d1ece47d0a_JaffaCakes118.exe	96
PID 1068 wrote to memory of 4616	1068	da2463ee710cf1233d7af8d1ece47d0a_JaffaCakes118.exe	96
PID 1068 wrote to memory of 4616	1068	da2463ee710cf1233d7af8d1ece47d0a_JaffaCakes118.exe	96
PID 1068 wrote to memory of 4616	1068	da2463ee710cf1233d7af8d1ece47d0a_JaffaCakes118.exe	96
PID 1068 wrote to memory of 4616	1068	da2463ee710cf1233d7af8d1ece47d0a_JaffaCakes118.exe	96
PID 1068 wrote to memory of 4616	1068	da2463ee710cf1233d7af8d1ece47d0a_JaffaCakes118.exe	96
PID 1068 wrote to memory of 4616	1068	da2463ee710cf1233d7af8d1ece47d0a_JaffaCakes118.exe	96
PID 1068 wrote to memory of 4616	1068	da2463ee710cf1233d7af8d1ece47d0a_JaffaCakes118.exe	96

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\da2463ee710cf1233d7af8d1ece47d0a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\da2463ee710cf1233d7af8d1ece47d0a_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:1068
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "{path}"
  2⤵
  - 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:4616

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/1068-8-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/1068-1-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/1068-2-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/1068-3-0x0000000075372000-0x0000000075373000-memory.dmp

Filesize
4KB

Download
memory/1068-4-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/1068-5-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/1068-0-0x0000000075372000-0x0000000075373000-memory.dmp

Filesize
4KB

Download
memory/4616-6-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/4616-9-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4616-10-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4616-11-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4616-12-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4616-14-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4616-15-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4616-16-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads