snakekeylogger | fb32ee963d4a3a9ee628b7953fd14fb98fe1257946ce05c6e922005d05cdac74

General

Target

rPROFORMAINVOICE-PO_ATS_1036pdf.exe
Size

521KB
MD5

d5a6193b01c8b4f4a1d70de986f2581a
SHA1

83146988eefd85c295e43336021a82bdae3e03fc
SHA256

fb32ee963d4a3a9ee628b7953fd14fb98fe1257946ce05c6e922005d05cdac74
SHA512

12b11063db76a6319a74b0f3debab63d051b48c85ca1a3b27bc8c8a34c8091960341fbf40d6f3db1bdc6cead878bda0123bd3d40ef164b6ad5a5c70704f78872
SSDEEP

12288:p/CqjqYBxuBdwmEZ9ictORFP+yfpDHI3Rtj6IFKap5AW:p6pUxuB2mE7irPhBs3jrNTB

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7205528810:AAHpQmp8pXDD3HdZBbwmUH_nIHswhyx25IQ/sendMessage?chat_id=5483672364

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/308-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/308-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/308-24-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/308-20-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/308-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2640	powershell.exe

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 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rPROFORMAINVOICE-PO_ATS_1036pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rPROFORMAINVOICE-PO_ATS_1036pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rPROFORMAINVOICE-PO_ATS_1036pdf.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2708 set thread context of 308	2708	rPROFORMAINVOICE-PO_ATS_1036pdf.exe	35

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rPROFORMAINVOICE-PO_ATS_1036pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rPROFORMAINVOICE-PO_ATS_1036pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2972	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
308	rPROFORMAINVOICE-PO_ATS_1036pdf.exe
2640	powershell.exe
308	rPROFORMAINVOICE-PO_ATS_1036pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	308	rPROFORMAINVOICE-PO_ATS_1036pdf.exe
Token: SeDebugPrivilege	2640	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2640	2708	rPROFORMAINVOICE-PO_ATS_1036pdf.exe	31
PID 2708 wrote to memory of 2640	2708	rPROFORMAINVOICE-PO_ATS_1036pdf.exe	31
PID 2708 wrote to memory of 2640	2708	rPROFORMAINVOICE-PO_ATS_1036pdf.exe	31
PID 2708 wrote to memory of 2640	2708	rPROFORMAINVOICE-PO_ATS_1036pdf.exe	31
PID 2708 wrote to memory of 2972	2708	rPROFORMAINVOICE-PO_ATS_1036pdf.exe	33
PID 2708 wrote to memory of 2972	2708	rPROFORMAINVOICE-PO_ATS_1036pdf.exe	33
PID 2708 wrote to memory of 2972	2708	rPROFORMAINVOICE-PO_ATS_1036pdf.exe	33
PID 2708 wrote to memory of 2972	2708	rPROFORMAINVOICE-PO_ATS_1036pdf.exe	33
PID 2708 wrote to memory of 308	2708	rPROFORMAINVOICE-PO_ATS_1036pdf.exe	35
PID 2708 wrote to memory of 308	2708	rPROFORMAINVOICE-PO_ATS_1036pdf.exe	35
PID 2708 wrote to memory of 308	2708	rPROFORMAINVOICE-PO_ATS_1036pdf.exe	35
PID 2708 wrote to memory of 308	2708	rPROFORMAINVOICE-PO_ATS_1036pdf.exe	35
PID 2708 wrote to memory of 308	2708	rPROFORMAINVOICE-PO_ATS_1036pdf.exe	35
PID 2708 wrote to memory of 308	2708	rPROFORMAINVOICE-PO_ATS_1036pdf.exe	35
PID 2708 wrote to memory of 308	2708	rPROFORMAINVOICE-PO_ATS_1036pdf.exe	35
PID 2708 wrote to memory of 308	2708	rPROFORMAINVOICE-PO_ATS_1036pdf.exe	35
PID 2708 wrote to memory of 308	2708	rPROFORMAINVOICE-PO_ATS_1036pdf.exe	35

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rPROFORMAINVOICE-PO_ATS_1036pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rPROFORMAINVOICE-PO_ATS_1036pdf.exe

C:\Users\Admin\AppData\Local\Temp\rPROFORMAINVOICE-PO_ATS_1036pdf.exe
"C:\Users\Admin\AppData\Local\Temp\rPROFORMAINVOICE-PO_ATS_1036pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JZpnbXGCC.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2640
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JZpnbXGCC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp16EA.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2972
- C:\Users\Admin\AppData\Local\Temp\rPROFORMAINVOICE-PO_ATS_1036pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\rPROFORMAINVOICE-PO_ATS_1036pdf.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:308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

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\Temp\tmp16EA.tmp

Filesize
1KB

MD5
de8279ae685777c1983866c48be58e3d

SHA1
61c3bb5c1bd1fc37b842f64c24f1750ab0cef29e

SHA256
ca0a3bbc81da92b84a585af465d971d4294f70b4b8ce4301b6ba7415b49fe1f8

SHA512
f57b6c37dae66050d3dfb7727218acceaccb52a03e3be93e40460e04ba299791cf668868fdf8c0c899bea8a996634b7b74e6b17afa068452d62e80b11c902ebd

Download Submit
memory/308-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/308-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/308-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/308-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/308-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/308-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/308-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/308-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2708-2-0x0000000073AC0000-0x00000000741AE000-memory.dmp

Filesize
6.9MB

Download
memory/2708-6-0x0000000004940000-0x00000000049A8000-memory.dmp

Filesize
416KB

Download
memory/2708-1-0x0000000000C70000-0x0000000000CF8000-memory.dmp

Filesize
544KB

Download
memory/2708-0-0x0000000073ACE000-0x0000000073ACF000-memory.dmp

Filesize
4KB

Download
memory/2708-5-0x0000000073AC0000-0x00000000741AE000-memory.dmp

Filesize
6.9MB

Download
memory/2708-4-0x0000000073ACE000-0x0000000073ACF000-memory.dmp

Filesize
4KB

Download
memory/2708-3-0x0000000000490000-0x00000000004A0000-memory.dmp

Filesize
64KB

Download
memory/2708-26-0x0000000073AC0000-0x00000000741AE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads