404keylogger | b95cc2d6e179471e7c09c2033124a1a7fe93466269da002aa8b315d398fbea14

General

Target

14d3e00e8027db78a81490e692299712_JaffaCakes118.exe
Size

1.5MB
MD5

14d3e00e8027db78a81490e692299712
SHA1

d6dcc19c0ab0d43ed41af980700acc655a4a8888
SHA256

b95cc2d6e179471e7c09c2033124a1a7fe93466269da002aa8b315d398fbea14
SHA512

ad80449612cbb62e250e0ae2f8681e5c3a23a8437b9598b412f4f01a123cc3088a8d6580fea75c9785d16bec8ba80bc0563adc3047fe4860eb64b9981a5bf36f
SSDEEP

24576:+tb20pkaCqT5TBWgNQ7aEAu0R8/YQ9W783TFtazDkkih76A:rVg5tQ7aEaWt9pckkU5

Score

10^/10

404keylogger collection keylogger stealer

Malware Config

Signatures

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

404 Keylogger Main Executable 1 IoCs

resource	yara_rule
behavioral2/memory/4168-5-0x0000000000400000-0x0000000000422000-memory.dmp	family_404keylogger

Drops startup file 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PrintBrm.url	14d3e00e8027db78a81490e692299712_JaffaCakes118.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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
22	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1964 set thread context of 4168	1964	14d3e00e8027db78a81490e692299712_JaffaCakes118.exe	92

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2264	4168	WerFault.exe	92

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4168	MSBuild.exe
4168	MSBuild.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1964	14d3e00e8027db78a81490e692299712_JaffaCakes118.exe
1964	14d3e00e8027db78a81490e692299712_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4168	MSBuild.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1964	14d3e00e8027db78a81490e692299712_JaffaCakes118.exe
1964	14d3e00e8027db78a81490e692299712_JaffaCakes118.exe
1964	14d3e00e8027db78a81490e692299712_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1964	14d3e00e8027db78a81490e692299712_JaffaCakes118.exe
1964	14d3e00e8027db78a81490e692299712_JaffaCakes118.exe
1964	14d3e00e8027db78a81490e692299712_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4168	MSBuild.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 4084	1964	14d3e00e8027db78a81490e692299712_JaffaCakes118.exe	91
PID 1964 wrote to memory of 4084	1964	14d3e00e8027db78a81490e692299712_JaffaCakes118.exe	91
PID 1964 wrote to memory of 4084	1964	14d3e00e8027db78a81490e692299712_JaffaCakes118.exe	91
PID 1964 wrote to memory of 4168	1964	14d3e00e8027db78a81490e692299712_JaffaCakes118.exe	92
PID 1964 wrote to memory of 4168	1964	14d3e00e8027db78a81490e692299712_JaffaCakes118.exe	92
PID 1964 wrote to memory of 4168	1964	14d3e00e8027db78a81490e692299712_JaffaCakes118.exe	92
PID 1964 wrote to memory of 4168	1964	14d3e00e8027db78a81490e692299712_JaffaCakes118.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\14d3e00e8027db78a81490e692299712_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\14d3e00e8027db78a81490e692299712_JaffaCakes118.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"
  2⤵
  PID:4084
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4168
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4168 -s 1896
    3⤵
    - Program crash
    PID:2264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4168 -ip 4168
1⤵
PID:4568

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1416 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
1⤵
PID:4904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1964-3-0x00000000036C0000-0x00000000036F7000-memory.dmp

Filesize
220KB

Download
memory/1964-4-0x0000000003700000-0x0000000003737000-memory.dmp

Filesize
220KB

Download
memory/4168-5-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4168-6-0x0000000074FEE000-0x0000000074FEF000-memory.dmp

Filesize
4KB

Download
memory/4168-7-0x0000000005770000-0x0000000005D14000-memory.dmp

Filesize
5.6MB

Download
memory/4168-8-0x00000000051C0000-0x000000000525C000-memory.dmp

Filesize
624KB

Download
memory/4168-9-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/4168-10-0x00000000060D0000-0x0000000006136000-memory.dmp

Filesize
408KB

Download
memory/4168-11-0x0000000006750000-0x0000000006912000-memory.dmp

Filesize
1.8MB

Download
memory/4168-13-0x0000000006920000-0x00000000069B2000-memory.dmp

Filesize
584KB

Download
memory/4168-14-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download

Analysis

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