snakekeylogger | 5e27ca499161ff3764f1e5456c47849c2f291d21ba4103ea5b03eff657e869e6

General

Target

a61aab7a91f7dba66c5e68fafcf07d6e.exe
Size

428KB
MD5

a61aab7a91f7dba66c5e68fafcf07d6e
SHA1

1b1f8acc390b92b0d6ce0f84f7411bc832130c9a
SHA256

5e27ca499161ff3764f1e5456c47849c2f291d21ba4103ea5b03eff657e869e6
SHA512

0ff0b8b0f8fa5a1d587845f7382fdcc818dc3646b7325b49eaa9a93a98e2b3376c51e4b2a72ff31365d13d63f237f0150a98e3850c3006fc7f0879ed6f32bee0
SSDEEP

12288:zyq7Njv/AyRBFTj3a03eHwcQXO7nq1jmkpFB:RdvZRB5aPwcQe+1JB

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
pro40.emailserver.vn
Port:
587
Username:
[email protected]
Password:
Vexa@2013

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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
5	checkip.dyndns.org
7	freegeoip.app
8	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3036 set thread context of 4992	3036	a61aab7a91f7dba66c5e68fafcf07d6e.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3940	4992	WerFault.exe	82

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
5024	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4992	MSBuild.exe
4992	MSBuild.exe
4992	MSBuild.exe
4992	MSBuild.exe
4992	MSBuild.exe
4992	MSBuild.exe
4992	MSBuild.exe
4992	MSBuild.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3036	a61aab7a91f7dba66c5e68fafcf07d6e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4992	MSBuild.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 5052	3036	a61aab7a91f7dba66c5e68fafcf07d6e.exe	81
PID 3036 wrote to memory of 5052	3036	a61aab7a91f7dba66c5e68fafcf07d6e.exe	81
PID 3036 wrote to memory of 5052	3036	a61aab7a91f7dba66c5e68fafcf07d6e.exe	81
PID 3036 wrote to memory of 4992	3036	a61aab7a91f7dba66c5e68fafcf07d6e.exe	82
PID 3036 wrote to memory of 4992	3036	a61aab7a91f7dba66c5e68fafcf07d6e.exe	82
PID 3036 wrote to memory of 4992	3036	a61aab7a91f7dba66c5e68fafcf07d6e.exe	82
PID 3036 wrote to memory of 4992	3036	a61aab7a91f7dba66c5e68fafcf07d6e.exe	82
PID 5052 wrote to memory of 5024	5052	cmd.exe	83
PID 5052 wrote to memory of 5024	5052	cmd.exe	83
PID 5052 wrote to memory of 5024	5052	cmd.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\a61aab7a91f7dba66c5e68fafcf07d6e.exe
"C:\Users\Admin\AppData\Local\Temp\a61aab7a91f7dba66c5e68fafcf07d6e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Windows\SysWOW64\cmd.exe
  cmd /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\64a93f59b5894fd5b0d60f9f52db3822.xml"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5052
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\64a93f59b5894fd5b0d60f9f52db3822.xml"
    3⤵
    - Creates scheduled task(s)
    PID:5024
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Users\Admin\AppData\Local\Temp\a61aab7a91f7dba66c5e68fafcf07d6e.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4992
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4992 -s 1788
    3⤵
    - Program crash
    PID:3940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4992 -ip 4992
1⤵
PID:540

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\64a93f59b5894fd5b0d60f9f52db3822.xml

Filesize
1KB

MD5
2feaac3555165aa7b76fabc3984fe19b

SHA1
76710b1b204309f4d057eba17bba71b7444f52af

SHA256
68052979b38f028b24e466114471d2d49568b83a9a7f051a82a72c5ca4e8c01c

SHA512
81cf57a2ad53f9eaf9a21799dc87e7846a1669a370e05597f58ffb87a91f8f38814375e675880a6d9cdb5bb667d47cb875e6fb471d9a9b143f81a83e6f5b6739

Download Submit
memory/3036-132-0x000000000058B000-0x0000000000590000-memory.dmp

Filesize
20KB

Download
memory/4992-137-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/4992-138-0x00000000057B0000-0x000000000584C000-memory.dmp

Filesize
624KB

Download
memory/4992-139-0x0000000005E00000-0x00000000063A4000-memory.dmp

Filesize
5.6MB

Download
memory/4992-140-0x0000000006CA0000-0x0000000006E62000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads