agenttesla | 5eda1a970e778c1a561598fdd6986e0a4d926b80627b12dfc10e01134a1f4f63

General

Target

2748045d542d232ac39ebb7e9bc94c16_JaffaCakes118.exe
Size

475KB
MD5

2748045d542d232ac39ebb7e9bc94c16
SHA1

c538591916470d37aaf838dd49b23c7028f7c51c
SHA256

5eda1a970e778c1a561598fdd6986e0a4d926b80627b12dfc10e01134a1f4f63
SHA512

64080da588204da20184a9d6f2537df26ede1b9785bb71a96c1a8cf09e878d2dfa60b7471c4dafc5807845524174b04066c890be7e77b1652c3d1967265325b6
SSDEEP

12288:E3taORhPVcmcjwNRkwfJptUO76UJ4roU7h7AN3gB+M9eZaPRsXvo0AKqgqVa:E3kOTKUYAC9UAoShsKB+ML/A

Score

10^/10

agenttesla collection credential_access discovery evasion keylogger persistence privilege_escalation rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.dianaglobalmandiri.com
Port:
587
Username:
[email protected]
Password:
Batam2019

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/2376-10-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

resource	yara_rule
behavioral2/memory/4932-8-0x0000000006D20000-0x0000000006D78000-memory.dmp	rezer0

Disables Task Manager via registry modification
evasion

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-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4932 set thread context of 2376	4932	2748045d542d232ac39ebb7e9bc94c16_JaffaCakes118.exe	86

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1332	2376	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 4 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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2748045d542d232ac39ebb7e9bc94c16_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	REG.exe

System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs

Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

discovery

Wi-Fi Discovery

T1016.002

pid	Process
448	netsh.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1476	REG.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2376	RegSvcs.exe
2376	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2376	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 2376	4932	2748045d542d232ac39ebb7e9bc94c16_JaffaCakes118.exe	86
PID 4932 wrote to memory of 2376	4932	2748045d542d232ac39ebb7e9bc94c16_JaffaCakes118.exe	86
PID 4932 wrote to memory of 2376	4932	2748045d542d232ac39ebb7e9bc94c16_JaffaCakes118.exe	86
PID 4932 wrote to memory of 2376	4932	2748045d542d232ac39ebb7e9bc94c16_JaffaCakes118.exe	86
PID 4932 wrote to memory of 2376	4932	2748045d542d232ac39ebb7e9bc94c16_JaffaCakes118.exe	86
PID 4932 wrote to memory of 2376	4932	2748045d542d232ac39ebb7e9bc94c16_JaffaCakes118.exe	86
PID 4932 wrote to memory of 2376	4932	2748045d542d232ac39ebb7e9bc94c16_JaffaCakes118.exe	86
PID 4932 wrote to memory of 2376	4932	2748045d542d232ac39ebb7e9bc94c16_JaffaCakes118.exe	86
PID 2376 wrote to memory of 1476	2376	RegSvcs.exe	88
PID 2376 wrote to memory of 1476	2376	RegSvcs.exe	88
PID 2376 wrote to memory of 1476	2376	RegSvcs.exe	88
PID 2376 wrote to memory of 448	2376	RegSvcs.exe	93
PID 2376 wrote to memory of 448	2376	RegSvcs.exe	93
PID 2376 wrote to memory of 448	2376	RegSvcs.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\2748045d542d232ac39ebb7e9bc94c16_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2748045d542d232ac39ebb7e9bc94c16_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4932
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:2376
- - C:\Windows\SysWOW64\REG.exe
    REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies registry key
    PID:1476
- - C:\Windows\SysWOW64\netsh.exe
    "netsh" wlan show profile
    3⤵
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Wi-Fi Discovery
    PID:448
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 1592
    3⤵
    - Program crash
    PID:1332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2376 -ip 2376
1⤵
PID:1288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

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

System Network Configuration Discovery

1

T1016

Wi-Fi Discovery

1

T1016.002

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2376-10-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2376-20-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/2376-19-0x00000000067A0000-0x00000000067F0000-memory.dmp

Filesize
320KB

Download
memory/2376-18-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/2376-16-0x0000000005AB0000-0x0000000005B16000-memory.dmp

Filesize
408KB

Download
memory/2376-15-0x0000000005440000-0x0000000005458000-memory.dmp

Filesize
96KB

Download
memory/2376-14-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/2376-13-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/4932-4-0x00000000059F0000-0x0000000005A82000-memory.dmp

Filesize
584KB

Download
memory/4932-9-0x0000000006E30000-0x0000000006ECC000-memory.dmp

Filesize
624KB

Download
memory/4932-8-0x0000000006D20000-0x0000000006D78000-memory.dmp

Filesize
352KB

Download
memory/4932-12-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/4932-7-0x00000000059D0000-0x00000000059D8000-memory.dmp

Filesize
32KB

Download
memory/4932-6-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/4932-5-0x00000000057D0000-0x00000000057DA000-memory.dmp

Filesize
40KB

Download
memory/4932-0-0x00000000752EE000-0x00000000752EF000-memory.dmp

Filesize
4KB

Download
memory/4932-3-0x000000000A280000-0x000000000A824000-memory.dmp

Filesize
5.6MB

Download
memory/4932-2-0x0000000005770000-0x00000000057D2000-memory.dmp

Filesize
392KB

Download
memory/4932-1-0x0000000000DA0000-0x0000000000E1E000-memory.dmp

Filesize
504KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads