snakekeylogger | f15ec425e485e8d7ba7f0939b04601703476ece780e8cfdaac7eae825fe80bdf

General

Target

PO 732001_pdf.exe
Size

710KB
MD5

16518717490a9378b8ce9e4398c22bba
SHA1

94199ea9d1227a495d09fc77a63088d25829b022
SHA256

7bcce65d6166d096b69e5cd5e4a1e6a3991ff77aed3495da1af2b4f9ecbeef93
SHA512

c9d94d712ee5039ac8833140fe5e107d87aa12644a411429d21dccf1b18d61fa6c727b04f3238050c18501df20afafdcddf81c554f8e13ac1ce9fdcdbce86522
SSDEEP

12288:/UNSgr0oFGV/nMA1uSx8AevTsff0a8Gt3w8sqz4XRKyghCS09QPi/4mJoHpqf2wt:/UtwfTo1f7wCtxzfJGY

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6010601014:AAE_RJm-2igP99_YnmRQZ_TajH6dCuBx6CI/sendMessage?chat_id=869301167

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/1596-60-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1596-62-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1596-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1596-64-0x000000000042066E-mapping.dmp	family_snakekeylogger
behavioral1/memory/1596-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1596-68-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\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
5	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1988 set thread context of 1596	1988	PO 732001_pdf.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1596	MSBuild.exe
1596	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1596	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 1596	1988	PO 732001_pdf.exe	28
PID 1988 wrote to memory of 1596	1988	PO 732001_pdf.exe	28
PID 1988 wrote to memory of 1596	1988	PO 732001_pdf.exe	28
PID 1988 wrote to memory of 1596	1988	PO 732001_pdf.exe	28
PID 1988 wrote to memory of 1596	1988	PO 732001_pdf.exe	28
PID 1988 wrote to memory of 1596	1988	PO 732001_pdf.exe	28
PID 1988 wrote to memory of 1596	1988	PO 732001_pdf.exe	28
PID 1988 wrote to memory of 1596	1988	PO 732001_pdf.exe	28
PID 1988 wrote to memory of 1596	1988	PO 732001_pdf.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\PO 732001_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PO 732001_pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1988
- 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
  - outlook_office_path
  - outlook_win_path
  PID:1596

Network

MITRE ATT&CK Enterprise v6

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

Loading Replay Monitor...

Downloads

memory/1596-57-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1596-58-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1596-60-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1596-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1596-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1596-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1596-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1596-69-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

Download
memory/1988-54-0x00000000011B0000-0x0000000001268000-memory.dmp

Filesize
736KB

Download
memory/1988-55-0x00000000001B0000-0x00000000001C2000-memory.dmp

Filesize
72KB

Download
memory/1988-56-0x0000000000260000-0x0000000000268000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing