404keylogger | 02c174175f73a1d8ec38874af3aa31ec2aadb693a3cafae8eb0d392a49b8a2ea

General

Target

PO INV No.08242082.exe
Size

523KB
MD5

341653a788a32699346455f3c77d4e03
SHA1

8598641f32b140529871330c4da76214b8ecb1a6
SHA256

eacb842bfb2638dad0dfc194ecf323a019780a3ab3be7f2f21e2a0d5726156f2
SHA512

d1e5348afe3f3166384addc34910057a1bf4c11069a9d8224ae3808626674e7ab0d8a5a30ebc388a495620529e33da878bf5fdfe9917f966bd343f29d52f8e09
SSDEEP

12288:1kjUKvv3jOGU6mLXDvJiw7s2jAXuKuc3JphJT:OwKvrOl6m/0mfA+9kd

Score

10^/10

404keylogger collection credential_access discovery keylogger spyware stealer upx

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.sapgroup.com.pk
Port:
587
Username:
[email protected]
Password:
moin@26919

Signatures

404 Keylogger
Information stealer and keylogger first seen in 2019.
stealer keylogger 404keylogger

404 Keylogger Main Executable 7 IoCs

resource	yara_rule
behavioral2/memory/2012-7-0x0000000000400000-0x0000000000450000-memory.dmp	family_404keylogger
behavioral2/memory/2012-11-0x0000000000930000-0x0000000000952000-memory.dmp	family_404keylogger
behavioral2/memory/2012-12-0x0000000000930000-0x0000000000952000-memory.dmp	family_404keylogger
behavioral2/memory/2012-9-0x0000000000400000-0x0000000000450000-memory.dmp	family_404keylogger
behavioral2/memory/2012-23-0x0000000000400000-0x0000000000450000-memory.dmp	family_404keylogger
behavioral2/memory/2012-26-0x0000000000400000-0x0000000000450000-memory.dmp	family_404keylogger
behavioral2/memory/2012-32-0x0000000000450000-0x000000000046C000-memory.dmp	family_404keylogger

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
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2012-4-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2012-7-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2012-9-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2012-6-0x0000000000400000-0x0000000000450000-memory.dmp	upx

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-1-5-21-2990742725-2267136959-192470804-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO INV No.08242082.exe
Key opened	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO INV No.08242082.exe
Key opened	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO INV No.08242082.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
8	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4880 set thread context of 2012	4880	PO INV No.08242082.exe	84

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1864	2012	WerFault.exe	84

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	PO INV No.08242082.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO INV No.08242082.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4880	PO INV No.08242082.exe
4880	PO INV No.08242082.exe
2012	PO INV No.08242082.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4880	PO INV No.08242082.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2012	PO INV No.08242082.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4880 wrote to memory of 2012	4880	PO INV No.08242082.exe	84
PID 4880 wrote to memory of 2012	4880	PO INV No.08242082.exe	84
PID 4880 wrote to memory of 2012	4880	PO INV No.08242082.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO INV No.08242082.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO INV No.08242082.exe

C:\Users\Admin\AppData\Local\Temp\PO INV No.08242082.exe
"C:\Users\Admin\AppData\Local\Temp\PO INV No.08242082.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4880
- C:\Users\Admin\AppData\Local\Temp\PO INV No.08242082.exe
  "C:\Users\Admin\AppData\Local\Temp\PO INV No.08242082.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:2012
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 1124
    3⤵
    - Program crash
    PID:1864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 2012 -ip 2012
1⤵
PID:3388

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

4

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2012-6-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2012-7-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2012-32-0x0000000000450000-0x000000000046C000-memory.dmp

Filesize
112KB

Download
memory/2012-4-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2012-23-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2012-11-0x0000000000930000-0x0000000000952000-memory.dmp

Filesize
136KB

Download
memory/2012-12-0x0000000000930000-0x0000000000952000-memory.dmp

Filesize
136KB

Download
memory/2012-24-0x0000000004A40000-0x0000000004FE4000-memory.dmp

Filesize
5.6MB

Download
memory/2012-30-0x00000000062F0000-0x0000000006382000-memory.dmp

Filesize
584KB

Download
memory/2012-28-0x0000000005F20000-0x00000000060E2000-memory.dmp

Filesize
1.8MB

Download
memory/2012-9-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2012-25-0x0000000004910000-0x00000000049AC000-memory.dmp

Filesize
624KB

Download
memory/2012-26-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2012-27-0x00000000059C0000-0x0000000005A26000-memory.dmp

Filesize
408KB

Download
memory/4880-1-0x000000000045A000-0x0000000000462000-memory.dmp

Filesize
32KB

Download
memory/4880-2-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/4880-0-0x0000000002220000-0x0000000002221000-memory.dmp

Filesize
4KB

Download

Analysis

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