agenttesla | db7f9b73da680c0efc372c6dfaa9e29864a1184e525c91ec156a5e7807eb4f53

General

Target

f8d6699502d64cea36939f962804f377_JaffaCakes118.exe
Size

795KB
MD5

f8d6699502d64cea36939f962804f377
SHA1

ff12ebbf190037c533576d41dc9bb94d11b2a11e
SHA256

db7f9b73da680c0efc372c6dfaa9e29864a1184e525c91ec156a5e7807eb4f53
SHA512

8055f406a36edd476ff9d3c345db362f89d50898efda0632487a27e276447b990b1fb65c36002fd4891c1485ede0f8cf148b77468fbd000b3092a74c0ac103b1
SSDEEP

12288:aceBz5LcaaM4HelqozTxwr4W33ogSVtWRnhExsBKkXQDF0T7BYY9cJZRUqX4rC:a5caVbtw3n4YRhExTkXCF0pr2ZRzQC

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
faith12AB

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4412 set thread context of 4108	4412	f8d6699502d64cea36939f962804f377_JaffaCakes118.exe	91

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	f8d6699502d64cea36939f962804f377_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4412	f8d6699502d64cea36939f962804f377_JaffaCakes118.exe
4412	f8d6699502d64cea36939f962804f377_JaffaCakes118.exe
4412	f8d6699502d64cea36939f962804f377_JaffaCakes118.exe
4412	f8d6699502d64cea36939f962804f377_JaffaCakes118.exe
4108	MSBuild.exe
4108	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4412	f8d6699502d64cea36939f962804f377_JaffaCakes118.exe
Token: SeDebugPrivilege	4108	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4412 wrote to memory of 4108	4412	f8d6699502d64cea36939f962804f377_JaffaCakes118.exe	91
PID 4412 wrote to memory of 4108	4412	f8d6699502d64cea36939f962804f377_JaffaCakes118.exe	91
PID 4412 wrote to memory of 4108	4412	f8d6699502d64cea36939f962804f377_JaffaCakes118.exe	91
PID 4412 wrote to memory of 4108	4412	f8d6699502d64cea36939f962804f377_JaffaCakes118.exe	91
PID 4412 wrote to memory of 4108	4412	f8d6699502d64cea36939f962804f377_JaffaCakes118.exe	91
PID 4412 wrote to memory of 4108	4412	f8d6699502d64cea36939f962804f377_JaffaCakes118.exe	91
PID 4412 wrote to memory of 4108	4412	f8d6699502d64cea36939f962804f377_JaffaCakes118.exe	91
PID 4412 wrote to memory of 4108	4412	f8d6699502d64cea36939f962804f377_JaffaCakes118.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\f8d6699502d64cea36939f962804f377_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f8d6699502d64cea36939f962804f377_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:4412
- 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:4108

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

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

Replay Monitor

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Downloads

memory/4108-12-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4108-22-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/4108-21-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/4108-20-0x0000000006CE0000-0x0000000006D30000-memory.dmp

Filesize
320KB

Download
memory/4108-19-0x00000000064B0000-0x0000000006516000-memory.dmp

Filesize
408KB

Download
memory/4108-18-0x0000000005C20000-0x0000000005C38000-memory.dmp

Filesize
96KB

Download
memory/4108-17-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/4108-16-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/4108-14-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/4412-5-0x00000000053E0000-0x00000000053EA000-memory.dmp

Filesize
40KB

Download
memory/4412-10-0x000000000AC40000-0x000000000ACDA000-memory.dmp

Filesize
616KB

Download
memory/4412-11-0x000000000E080000-0x000000000E11C000-memory.dmp

Filesize
624KB

Download
memory/4412-9-0x00000000081C0000-0x0000000008264000-memory.dmp

Filesize
656KB

Download
memory/4412-8-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/4412-15-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/4412-7-0x00000000749AE000-0x00000000749AF000-memory.dmp

Filesize
4KB

Download
memory/4412-6-0x0000000005690000-0x00000000056A2000-memory.dmp

Filesize
72KB

Download
memory/4412-0-0x00000000749AE000-0x00000000749AF000-memory.dmp

Filesize
4KB

Download
memory/4412-4-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/4412-3-0x00000000053F0000-0x0000000005482000-memory.dmp

Filesize
584KB

Download
memory/4412-2-0x0000000005A80000-0x0000000006024000-memory.dmp

Filesize
5.6MB

Download
memory/4412-1-0x0000000000980000-0x0000000000A4E000-memory.dmp

Filesize
824KB

Download

Analysis

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