snakekeylogger | 3b66fa7ff7c64bff6cbeecc60f6cd71d35a827365432ef51bb41d6243d1f2dac

General

Target

Swift 01_USD Invoice#366801.exe
Size

1003KB
MD5

eb2d676e2d60e8b4b3191a8cfd6fa80b
SHA1

5363e9a1a55b1449c78db906ed251200542b2692
SHA256

4dee81dff39ea19eb98c7e2a3be1dcce934b7104b318f4811e89ccdbb6e92c3f
SHA512

e9d3655258645527d3ba9fbaf28880eae39cdd1623330e9ca49c5346fa70851b51277d21a96f743fb19db66dd8d1a5b6722a0b787bf54fb97288126ac249f27e
SSDEEP

12288:otb20Qc3lT7af41ePBRYuQLKpqeUhbTv5OFgNuPPpHSgawTJCETcuA4tFt6A:otb20pkaCqT5TBWgNQ7aIJCb/4Ht6A

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot8105461233:AAGikrL-FY3clQOY-lg3KOIDOXSLgX28_TU/sendMessage?chat_id=6147266367

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral1/memory/2164-7-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2164-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2164-9-0x0000000000400000-0x0000000000426000-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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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 2844 set thread context of 2164	2844	Swift 01_USD Invoice#366801.exe	31

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	Swift 01_USD Invoice#366801.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2164	RegSvcs.exe
2164	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2844	Swift 01_USD Invoice#366801.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2164	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2844	Swift 01_USD Invoice#366801.exe
2844	Swift 01_USD Invoice#366801.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2844	Swift 01_USD Invoice#366801.exe
2844	Swift 01_USD Invoice#366801.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 2164	2844	Swift 01_USD Invoice#366801.exe	31
PID 2844 wrote to memory of 2164	2844	Swift 01_USD Invoice#366801.exe	31
PID 2844 wrote to memory of 2164	2844	Swift 01_USD Invoice#366801.exe	31
PID 2844 wrote to memory of 2164	2844	Swift 01_USD Invoice#366801.exe	31
PID 2844 wrote to memory of 2164	2844	Swift 01_USD Invoice#366801.exe	31
PID 2844 wrote to memory of 2164	2844	Swift 01_USD Invoice#366801.exe	31
PID 2844 wrote to memory of 2164	2844	Swift 01_USD Invoice#366801.exe	31
PID 2844 wrote to memory of 2164	2844	Swift 01_USD Invoice#366801.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Swift 01_USD Invoice#366801.exe
"C:\Users\Admin\AppData\Local\Temp\Swift 01_USD Invoice#366801.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:2844
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\Swift 01_USD Invoice#366801.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:2164

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/2164-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2164-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2164-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2164-12-0x000000007428E000-0x000000007428F000-memory.dmp

Filesize
4KB

Download
memory/2164-13-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/2164-14-0x000000007428E000-0x000000007428F000-memory.dmp

Filesize
4KB

Download
memory/2164-15-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/2844-6-0x0000000000FB0000-0x00000000013B0000-memory.dmp

Filesize
4.0MB

Download

Analysis

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