agenttesla | b1288d6b5330d9bb5e398c328f22d4d6c4792cf73e347e5a74ee4180f8595776

General

Target

169aeadfd0298a112ff8fdfaf129ed52_JaffaCakes118.exe
Size

903KB
MD5

169aeadfd0298a112ff8fdfaf129ed52
SHA1

d9ee989ac4c08413c27c79f7ab0fe453533042a6
SHA256

b1288d6b5330d9bb5e398c328f22d4d6c4792cf73e347e5a74ee4180f8595776
SHA512

4e8f48a8f6a822cf9558d12189952b62a24ed53143b321b946d18bae552ff7fb40a383f862419cebcf064bd393223aabf6d55608e7b64ea34ebb8c8fbddd7d9c
SSDEEP

12288:wKjNqzzx4opIccNuAMVHEkMffI7yO8ZG3q+8rK9OBtYG/8gSyVHK7zbizKboZT0B:P0vx4UKuDVHz4O2rK9OB2iYYKboy7

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.priserveinfra.com
Port:
587
Username:
[email protected]
Password:
oppipl121019

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/2256-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2256-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2256-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2256-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2256-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1700 set thread context of 2256	1700	169aeadfd0298a112ff8fdfaf129ed52_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	169aeadfd0298a112ff8fdfaf129ed52_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1700	169aeadfd0298a112ff8fdfaf129ed52_JaffaCakes118.exe
2256	RegSvcs.exe
2256	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1700	169aeadfd0298a112ff8fdfaf129ed52_JaffaCakes118.exe
Token: SeDebugPrivilege	2256	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 2256	1700	169aeadfd0298a112ff8fdfaf129ed52_JaffaCakes118.exe	30
PID 1700 wrote to memory of 2256	1700	169aeadfd0298a112ff8fdfaf129ed52_JaffaCakes118.exe	30
PID 1700 wrote to memory of 2256	1700	169aeadfd0298a112ff8fdfaf129ed52_JaffaCakes118.exe	30
PID 1700 wrote to memory of 2256	1700	169aeadfd0298a112ff8fdfaf129ed52_JaffaCakes118.exe	30
PID 1700 wrote to memory of 2256	1700	169aeadfd0298a112ff8fdfaf129ed52_JaffaCakes118.exe	30
PID 1700 wrote to memory of 2256	1700	169aeadfd0298a112ff8fdfaf129ed52_JaffaCakes118.exe	30
PID 1700 wrote to memory of 2256	1700	169aeadfd0298a112ff8fdfaf129ed52_JaffaCakes118.exe	30
PID 1700 wrote to memory of 2256	1700	169aeadfd0298a112ff8fdfaf129ed52_JaffaCakes118.exe	30
PID 1700 wrote to memory of 2256	1700	169aeadfd0298a112ff8fdfaf129ed52_JaffaCakes118.exe	30
PID 1700 wrote to memory of 2256	1700	169aeadfd0298a112ff8fdfaf129ed52_JaffaCakes118.exe	30
PID 1700 wrote to memory of 2256	1700	169aeadfd0298a112ff8fdfaf129ed52_JaffaCakes118.exe	30
PID 1700 wrote to memory of 2256	1700	169aeadfd0298a112ff8fdfaf129ed52_JaffaCakes118.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\169aeadfd0298a112ff8fdfaf129ed52_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\169aeadfd0298a112ff8fdfaf129ed52_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:1700
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Drops file in Drivers directory
  - 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:2256

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

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/1700-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/1700-1-0x0000000000960000-0x0000000000A48000-memory.dmp

Filesize
928KB

Download
memory/1700-2-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/1700-3-0x0000000000500000-0x0000000000516000-memory.dmp

Filesize
88KB

Download
memory/1700-4-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/1700-5-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/1700-6-0x00000000057C0000-0x0000000005860000-memory.dmp

Filesize
640KB

Download
memory/1700-7-0x0000000001F60000-0x0000000001F9C000-memory.dmp

Filesize
240KB

Download
memory/1700-23-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2256-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2256-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2256-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2256-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2256-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2256-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2256-24-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2256-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2256-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2256-25-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2256-26-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2256-27-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2256-30-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2256-31-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads