snakekeylogger | bbfe7d997d95f5693051b2c6bb3cfe9150ea690329ac0c51131c0825358892bd

General

Target

quotation.7722164.pdf.exe
Size

789KB
MD5

57866cacbb7df3fa371dd9590c0e4a9c
SHA1

834cbc1234e09775d6d4549ae6c4d2e3b48993ec
SHA256

bbfe7d997d95f5693051b2c6bb3cfe9150ea690329ac0c51131c0825358892bd
SHA512

0e699b14eab99812306bf160c307a891135cf9f7651e1fe9d098428a583dd2207f4b26a9ca010f0101b6988fb0e594aa95f3b77d351f96b15a54070aca29c272
SSDEEP

12288:wEp//7/aUQYbMDE6jKbl/+zVSyHBploNOkXy3NaI:T79DbMANGfHBQNOkX+B

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5643064068:AAHUW-qjYqjmbklVdTKS8RtESPH3MP5FLbM/sendMessage?chat_id=5120307802

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/1760-67-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1760-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1760-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1760-71-0x000000000042026E-mapping.dmp	family_snakekeylogger
behavioral1/memory/1760-73-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1760-75-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	quotation.7722164.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	quotation.7722164.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	quotation.7722164.pdf.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 1148 set thread context of 1760	1148	quotation.7722164.pdf.exe	31

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

System Information Discovery
T1082

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
1748	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1760	quotation.7722164.pdf.exe
1784	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1760	quotation.7722164.pdf.exe
Token: SeDebugPrivilege	1784	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1148 wrote to memory of 1784	1148	quotation.7722164.pdf.exe	27
PID 1148 wrote to memory of 1784	1148	quotation.7722164.pdf.exe	27
PID 1148 wrote to memory of 1784	1148	quotation.7722164.pdf.exe	27
PID 1148 wrote to memory of 1784	1148	quotation.7722164.pdf.exe	27
PID 1148 wrote to memory of 1748	1148	quotation.7722164.pdf.exe	29
PID 1148 wrote to memory of 1748	1148	quotation.7722164.pdf.exe	29
PID 1148 wrote to memory of 1748	1148	quotation.7722164.pdf.exe	29
PID 1148 wrote to memory of 1748	1148	quotation.7722164.pdf.exe	29
PID 1148 wrote to memory of 1760	1148	quotation.7722164.pdf.exe	31
PID 1148 wrote to memory of 1760	1148	quotation.7722164.pdf.exe	31
PID 1148 wrote to memory of 1760	1148	quotation.7722164.pdf.exe	31
PID 1148 wrote to memory of 1760	1148	quotation.7722164.pdf.exe	31
PID 1148 wrote to memory of 1760	1148	quotation.7722164.pdf.exe	31
PID 1148 wrote to memory of 1760	1148	quotation.7722164.pdf.exe	31
PID 1148 wrote to memory of 1760	1148	quotation.7722164.pdf.exe	31
PID 1148 wrote to memory of 1760	1148	quotation.7722164.pdf.exe	31
PID 1148 wrote to memory of 1760	1148	quotation.7722164.pdf.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	quotation.7722164.pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	quotation.7722164.pdf.exe

C:\Users\Admin\AppData\Local\Temp\quotation.7722164.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\quotation.7722164.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1148
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vImrgjPRBTO.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1784
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vImrgjPRBTO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2627.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1748
- C:\Users\Admin\AppData\Local\Temp\quotation.7722164.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\quotation.7722164.pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1760

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

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

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\tmp2627.tmp

Filesize
1KB

MD5
52588b295551c9b8d359dfc2cfa0abff

SHA1
da0f74da95d50142de7af713030501c61946f9c7

SHA256
cd5e1e67e7920e238c8cd90899ff2ae78327a960f86fe2d2c728165bbc8999cc

SHA512
83e485a584221d060b9f2bfac4226cf096508e3850942e9aca945667e92c93dd9ca19056bbd2d6955c02c7b6090b57effa9edfe850340d91f4fb8db45788f740

Download Submit
memory/1148-63-0x0000000004F70000-0x0000000004F96000-memory.dmp

Filesize
152KB

Download
memory/1148-54-0x00000000013E0000-0x00000000014AC000-memory.dmp

Filesize
816KB

Download
memory/1148-57-0x0000000000500000-0x000000000050C000-memory.dmp

Filesize
48KB

Download
memory/1148-58-0x00000000052B0000-0x0000000005330000-memory.dmp

Filesize
512KB

Download
memory/1148-56-0x0000000000560000-0x000000000057A000-memory.dmp

Filesize
104KB

Download
memory/1148-55-0x0000000074C11000-0x0000000074C13000-memory.dmp

Filesize
8KB

Download
memory/1760-67-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1760-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1760-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1760-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1760-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1760-73-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1760-75-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1784-77-0x000000006F540000-0x000000006FAEB000-memory.dmp

Filesize
5.7MB

Download
memory/1784-78-0x000000006F540000-0x000000006FAEB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads