404keylogger | 8243c8a72e7a2021b4d956f5dafc19ded0162e9eb99f158f8da83660ea9368b5

General

Target

DHl Delivery reciept.exe
Size

624KB
MD5

2cfdae4ee4082225277048a7735c1561
SHA1

da23e01a6e02dddfcd7a52b3822c28c5b16aafc2
SHA256

8243c8a72e7a2021b4d956f5dafc19ded0162e9eb99f158f8da83660ea9368b5
SHA512

764946c9a353ab7b4a71376efbfe143deaedfb753b6cf98489761b6fab442a79d07ef9b2e030f93f9bd9a3f7be7a65695e61f015da093dccfed8278be87df14a

Score

10^/10

upx spyware stealer keylogger 404keylogger

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 6 IoCs

resource	yara_rule
behavioral1/memory/1408-3-0x0000000000400000-0x0000000000450000-memory.dmp	family_404keylogger
behavioral1/memory/1408-3-0x0000000000400000-0x0000000000450000-memory.dmp	family_404keylogger
behavioral1/memory/1408-4-0x0000000000270000-0x0000000000292000-memory.dmp	family_404keylogger
behavioral1/memory/1408-4-0x0000000000270000-0x0000000000292000-memory.dmp	family_404keylogger
behavioral1/memory/1408-6-0x0000000000220000-0x000000000023C000-memory.dmp	family_404keylogger
behavioral1/memory/1408-6-0x0000000000220000-0x000000000023C000-memory.dmp	family_404keylogger

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1408-0-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1408-0-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1408-2-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1408-2-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1408-3-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1408-3-0x0000000000400000-0x0000000000450000-memory.dmp	upx

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

Data from Local System
T1005

Credentials in Files
T1081
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

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1276 set thread context of 1408	1276	DHl Delivery reciept.exe	24

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1276	DHl Delivery reciept.exe
1408	DHl Delivery reciept.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1276	DHl Delivery reciept.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1408	DHl Delivery reciept.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1276 wrote to memory of 1408	1276	DHl Delivery reciept.exe	24
PID 1276 wrote to memory of 1408	1276	DHl Delivery reciept.exe	24
PID 1276 wrote to memory of 1408	1276	DHl Delivery reciept.exe	24
PID 1276 wrote to memory of 1408	1276	DHl Delivery reciept.exe	24

C:\Users\Admin\AppData\Local\Temp\DHl Delivery reciept.exe
"C:\Users\Admin\AppData\Local\Temp\DHl Delivery reciept.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1276
- C:\Users\Admin\AppData\Local\Temp\DHl Delivery reciept.exe
  "C:\Users\Admin\AppData\Local\Temp\DHl Delivery reciept.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1408

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1408-0-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1408-2-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1408-3-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1408-4-0x0000000000270000-0x0000000000292000-memory.dmp

Filesize
136KB

Download
memory/1408-5-0x0000000000562000-0x0000000000563000-memory.dmp

Filesize
4KB

Download
memory/1408-6-0x0000000000220000-0x000000000023C000-memory.dmp

Filesize
112KB

Download
memory/1408-8-0x0000000073940000-0x000000007402E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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