snakekeylogger | c7eea85e70687f92a2b8a5131a2411b4edec566fda1d367a48f0a86856b044f0

General

Target

invoice no PS5316.exe
Size

953KB
MD5

25510efe9771ceb9025f30e10670b353
SHA1

ed4f824a39dc0c6684afce94f877b63fadb76554
SHA256

c7eea85e70687f92a2b8a5131a2411b4edec566fda1d367a48f0a86856b044f0
SHA512

d618b676dbeb92d8e8a141e1637323837d231d0712028a6dceb3a3c756a99aae4db5d27c98dea56b49b7b2d956c900989d368fff41970c30025390db564eaac4
SSDEEP

24576:du6J33O0c+JY5UZ+XC0kGso6FaJz+T0HWY:vu0c++OCvkGs9FaJq7Y

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7714252675:AAF5QV9JMA3smvi43h79F0rQKxWsloUPXGE/sendMessage?chat_id=6157416799

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral1/memory/1268-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1268-16-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1268-14-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Looks up external IP address via web service 5 IoCs

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

flow	ioc
4	checkip.dyndns.org
8	reallyfreegeoip.org
12	reallyfreegeoip.org
13	reallyfreegeoip.org
20	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1988 set thread context of 1268	1988	invoice no PS5316.exe	28

System Location Discovery: System Language Discovery 1 TTPs 2 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	invoice no PS5316.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1268	RegSvcs.exe
1268	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1988	invoice no PS5316.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1268	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1988	invoice no PS5316.exe
1988	invoice no PS5316.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1988	invoice no PS5316.exe
1988	invoice no PS5316.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 1268	1988	invoice no PS5316.exe	28
PID 1988 wrote to memory of 1268	1988	invoice no PS5316.exe	28
PID 1988 wrote to memory of 1268	1988	invoice no PS5316.exe	28
PID 1988 wrote to memory of 1268	1988	invoice no PS5316.exe	28
PID 1988 wrote to memory of 1268	1988	invoice no PS5316.exe	28
PID 1988 wrote to memory of 1268	1988	invoice no PS5316.exe	28
PID 1988 wrote to memory of 1268	1988	invoice no PS5316.exe	28
PID 1988 wrote to memory of 1268	1988	invoice no PS5316.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\invoice no PS5316.exe
"C:\Users\Admin\AppData\Local\Temp\invoice no PS5316.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1988
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\invoice no PS5316.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:1268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1268-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1268-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1268-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1268-17-0x0000000073D9E000-0x0000000073D9F000-memory.dmp

Filesize
4KB

Download
memory/1268-18-0x0000000073D90000-0x000000007447E000-memory.dmp

Filesize
6.9MB

Download
memory/1268-19-0x0000000073D9E000-0x0000000073D9F000-memory.dmp

Filesize
4KB

Download
memory/1268-20-0x0000000073D90000-0x000000007447E000-memory.dmp

Filesize
6.9MB

Download
memory/1988-11-0x00000000000B0000-0x00000000000B4000-memory.dmp

Filesize
16KB

Download

Analysis

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