agenttesla | 2fe658923add6c0e1fd8be7b284bf117324442fcfda69218cb4c8d6e08c2744d

General

Target

fec3efab196be13217e532dbe7ae1839_JaffaCakes118.exe
Size

428KB
MD5

fec3efab196be13217e532dbe7ae1839
SHA1

4b355e4fb446ea0b36782e4600c3e347af539fdb
SHA256

2fe658923add6c0e1fd8be7b284bf117324442fcfda69218cb4c8d6e08c2744d
SHA512

1d708e2c2a5e588652c2e04f08afaee7aa05839345024d0a40f3a463c1f2e2bcfa00ce466d561c7f3327fb154b528f281465146a9bd677b70dcf79d53f18f833
SSDEEP

6144:tc8OtvOERQ+3HwO9ZfMZ5Nk2LAGkaE2YjXI344rHWHL69IN8OuEhNds+hVv2o4pO:L/ESorEa2LAX2YzI/r2AQ8S3dx0pO

Score

10^/10

agenttesla collection discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.zfftcn.com
Port:
587
Username:
[email protected]
Password:
%^QQLa^sa4

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/2592-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2592-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2592-9-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2592-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2592-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2140 set thread context of 2592	2140	fec3efab196be13217e532dbe7ae1839_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	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fec3efab196be13217e532dbe7ae1839_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2140	fec3efab196be13217e532dbe7ae1839_JaffaCakes118.exe
2140	fec3efab196be13217e532dbe7ae1839_JaffaCakes118.exe
2592	MSBuild.exe
2592	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2140	fec3efab196be13217e532dbe7ae1839_JaffaCakes118.exe
Token: SeDebugPrivilege	2592	MSBuild.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 2584	2140	fec3efab196be13217e532dbe7ae1839_JaffaCakes118.exe	30
PID 2140 wrote to memory of 2584	2140	fec3efab196be13217e532dbe7ae1839_JaffaCakes118.exe	30
PID 2140 wrote to memory of 2584	2140	fec3efab196be13217e532dbe7ae1839_JaffaCakes118.exe	30
PID 2140 wrote to memory of 2584	2140	fec3efab196be13217e532dbe7ae1839_JaffaCakes118.exe	30
PID 2140 wrote to memory of 2592	2140	fec3efab196be13217e532dbe7ae1839_JaffaCakes118.exe	31
PID 2140 wrote to memory of 2592	2140	fec3efab196be13217e532dbe7ae1839_JaffaCakes118.exe	31
PID 2140 wrote to memory of 2592	2140	fec3efab196be13217e532dbe7ae1839_JaffaCakes118.exe	31
PID 2140 wrote to memory of 2592	2140	fec3efab196be13217e532dbe7ae1839_JaffaCakes118.exe	31
PID 2140 wrote to memory of 2592	2140	fec3efab196be13217e532dbe7ae1839_JaffaCakes118.exe	31
PID 2140 wrote to memory of 2592	2140	fec3efab196be13217e532dbe7ae1839_JaffaCakes118.exe	31
PID 2140 wrote to memory of 2592	2140	fec3efab196be13217e532dbe7ae1839_JaffaCakes118.exe	31
PID 2140 wrote to memory of 2592	2140	fec3efab196be13217e532dbe7ae1839_JaffaCakes118.exe	31
PID 2140 wrote to memory of 2592	2140	fec3efab196be13217e532dbe7ae1839_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	MSBuild.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	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\fec3efab196be13217e532dbe7ae1839_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fec3efab196be13217e532dbe7ae1839_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:2140
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:2584
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  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:2592

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

Loading Replay Monitor...

Downloads

memory/2140-0-0x000000007415E000-0x000000007415F000-memory.dmp

Filesize
4KB

Download
memory/2140-1-0x0000000000280000-0x00000000002F2000-memory.dmp

Filesize
456KB

Download
memory/2140-2-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2140-3-0x0000000000370000-0x0000000000382000-memory.dmp

Filesize
72KB

Download
memory/2140-4-0x000000007415E000-0x000000007415F000-memory.dmp

Filesize
4KB

Download
memory/2140-5-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2140-6-0x0000000004A50000-0x0000000004AB0000-memory.dmp

Filesize
384KB

Download
memory/2140-18-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2592-11-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2592-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2592-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2592-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2592-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2592-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2592-17-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2592-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2592-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2592-19-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2592-20-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2592-21-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing