snakekeylogger | 66af5aeab3c1eead0183cdddc589d4668ace6c3e91e893b8a285b8432b8690f2

General

Target

d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe
Size

1.1MB
MD5

d9a19de128d9a79921b18fc7124be813
SHA1

d7b0a292f8837256543a6559198c0860b706355d
SHA256

66af5aeab3c1eead0183cdddc589d4668ace6c3e91e893b8a285b8432b8690f2
SHA512

7a12a16f831b96144d4363f09c01be83acc36f82d4bcd6b73a2d865219e9322fe76a9eb2a2f722c18587929f5744f9f310b4081518989bac51956d05689562cd
SSDEEP

24576:tWD2m7suwVh2SPmEyibLBmJBjJs6R5nRLAlMcU/vIhG:AD2m7srwkymLkLuGRAldUH

Score

10^/10

snakekeylogger collection credential_access discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
a2plcpnl0863.prod.iad2.secureserver.net
Port:
587
Username:
[email protected]
Password:
semester12345

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger
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

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral2/memory/2316-8-0x0000000005120000-0x0000000005128000-memory.dmp	CustAttr

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe

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
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-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe

Looks up external IP address via web service 3 IoCs

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

flow	ioc
35	freegeoip.app
32	checkip.dyndns.org
34	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2316 set thread context of 1800	2316	d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe	100

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2676	1800	WerFault.exe	100

System Location Discovery: System Language Discovery 1 TTPs 3 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	d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4072	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1800	d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1800	d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 4072	2316	d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe	98
PID 2316 wrote to memory of 4072	2316	d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe	98
PID 2316 wrote to memory of 4072	2316	d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe	98
PID 2316 wrote to memory of 1800	2316	d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe	100
PID 2316 wrote to memory of 1800	2316	d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe	100
PID 2316 wrote to memory of 1800	2316	d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe	100
PID 2316 wrote to memory of 1800	2316	d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe	100
PID 2316 wrote to memory of 1800	2316	d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe	100
PID 2316 wrote to memory of 1800	2316	d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe	100
PID 2316 wrote to memory of 1800	2316	d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe	100
PID 2316 wrote to memory of 1800	2316	d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe	100

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CNQmCtfI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAFB3.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4072
- C:\Users\Admin\AppData\Local\Temp\d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d9a19de128d9a79921b18fc7124be813_JaffaCakes118.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:1800
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 2436
    3⤵
    - Program crash
    PID:2676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 1800 -ip 1800
1⤵
PID:532

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

Query Registry

1

T1012

System Information Discovery

2

T1082

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpAFB3.tmp

Filesize
1KB

MD5
9d87cbe98283c96eb75163dd8ba4fb33

SHA1
cee246977677609b5fb621e17d42238cec662df3

SHA256
06236aa4f43fcf9718c7256aab65739415525aa3cffa4bb5f81a6952c7e8e6d0

SHA512
4c4c6585c55894fe147c262839034fff3c9e756846a9e4899f794a6da7b73d994f55350a03e3876070274edd8837d198b708648f283785c1a73c078aa52938af

Download Submit
memory/1800-25-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/1800-24-0x0000000006A90000-0x0000000006C52000-memory.dmp

Filesize
1.8MB

Download
memory/1800-23-0x0000000006850000-0x00000000068B6000-memory.dmp

Filesize
408KB

Download
memory/1800-22-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/1800-21-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/1800-17-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2316-5-0x0000000004F00000-0x0000000004F0A000-memory.dmp

Filesize
40KB

Download
memory/2316-9-0x000000007486E000-0x000000007486F000-memory.dmp

Filesize
4KB

Download
memory/2316-10-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/2316-11-0x0000000005F60000-0x0000000006038000-memory.dmp

Filesize
864KB

Download
memory/2316-8-0x0000000005120000-0x0000000005128000-memory.dmp

Filesize
32KB

Download
memory/2316-7-0x00000000051A0000-0x00000000051F6000-memory.dmp

Filesize
344KB

Download
memory/2316-6-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/2316-0-0x000000007486E000-0x000000007486F000-memory.dmp

Filesize
4KB

Download
memory/2316-20-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/2316-4-0x0000000004F80000-0x0000000005012000-memory.dmp

Filesize
584KB

Download
memory/2316-3-0x0000000005490000-0x0000000005A34000-memory.dmp

Filesize
5.6MB

Download
memory/2316-2-0x0000000004E40000-0x0000000004EDC000-memory.dmp

Filesize
624KB

Download
memory/2316-1-0x00000000004D0000-0x00000000005F2000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads