404keylogger | 0c1fadc894e5c410da5afad5d44e333c1a77912892ed4d2141e3ce16018a064f

General

Target

37b35e5116aecaf748886250846f6cf5_JaffaCakes118.exe
Size

1.7MB
MD5

37b35e5116aecaf748886250846f6cf5
SHA1

83fc73693ef8c33d70b82aed137122388d9abce9
SHA256

0c1fadc894e5c410da5afad5d44e333c1a77912892ed4d2141e3ce16018a064f
SHA512

6e310bda0db29905f7352c109e4d6f4e134cb9a6508e95da04125c01bdba8d0c29fb1a8c75177c9413310f656ae4709d675cb239537fd98a900db1c424708c5d
SSDEEP

49152:Eu0c++OCvkGs9Fal9G2Yx1Y53xoHTsRwC2OT9sY:DB3vkJ9AG2RBozsRwqBs

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 3 IoCs

resource	yara_rule
behavioral1/memory/2208-2-0x0000000000400000-0x0000000000422000-memory.dmp	family_404keylogger
behavioral1/memory/2208-6-0x0000000000400000-0x0000000000422000-memory.dmp	family_404keylogger
behavioral1/memory/2208-4-0x0000000000400000-0x0000000000422000-memory.dmp	family_404keylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
2	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2028 set thread context of 2208	2028	37b35e5116aecaf748886250846f6cf5_JaffaCakes118.exe	28

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe	RegSvcs.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2184	2208	WerFault.exe	28

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2208	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2028	37b35e5116aecaf748886250846f6cf5_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2208	RegSvcs.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2028	37b35e5116aecaf748886250846f6cf5_JaffaCakes118.exe
2028	37b35e5116aecaf748886250846f6cf5_JaffaCakes118.exe
2028	37b35e5116aecaf748886250846f6cf5_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2028	37b35e5116aecaf748886250846f6cf5_JaffaCakes118.exe
2028	37b35e5116aecaf748886250846f6cf5_JaffaCakes118.exe
2028	37b35e5116aecaf748886250846f6cf5_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2208	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2208	2028	37b35e5116aecaf748886250846f6cf5_JaffaCakes118.exe	28
PID 2028 wrote to memory of 2208	2028	37b35e5116aecaf748886250846f6cf5_JaffaCakes118.exe	28
PID 2028 wrote to memory of 2208	2028	37b35e5116aecaf748886250846f6cf5_JaffaCakes118.exe	28
PID 2028 wrote to memory of 2208	2028	37b35e5116aecaf748886250846f6cf5_JaffaCakes118.exe	28
PID 2028 wrote to memory of 2208	2028	37b35e5116aecaf748886250846f6cf5_JaffaCakes118.exe	28
PID 2028 wrote to memory of 2208	2028	37b35e5116aecaf748886250846f6cf5_JaffaCakes118.exe	28
PID 2028 wrote to memory of 2208	2028	37b35e5116aecaf748886250846f6cf5_JaffaCakes118.exe	28
PID 2028 wrote to memory of 2208	2028	37b35e5116aecaf748886250846f6cf5_JaffaCakes118.exe	28
PID 2208 wrote to memory of 2184	2208	RegSvcs.exe	32
PID 2208 wrote to memory of 2184	2208	RegSvcs.exe	32
PID 2208 wrote to memory of 2184	2208	RegSvcs.exe	32
PID 2208 wrote to memory of 2184	2208	RegSvcs.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\37b35e5116aecaf748886250846f6cf5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\37b35e5116aecaf748886250846f6cf5_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\RegSvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:2208
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2208 -s 1068
    3⤵
    - Program crash
    PID:2184

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/2028-0-0x00000000007F0000-0x0000000000828000-memory.dmp

Filesize
224KB

Download
memory/2028-1-0x00000000008B0000-0x00000000008E8000-memory.dmp

Filesize
224KB

Download
memory/2208-2-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2208-6-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2208-4-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2208-7-0x000000007412E000-0x000000007412F000-memory.dmp

Filesize
4KB

Download
memory/2208-8-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/2208-10-0x000000007412E000-0x000000007412F000-memory.dmp

Filesize
4KB

Download
memory/2208-11-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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