snakekeylogger | 4b3c8a95989759a99c7fee79f793ea2787526f0795d3382fe0c63143680e9ea4

General

Target

4b3c8a95989759a99c7fee79f793ea2787526f0795d3382fe0c63143680e9ea4.exe
Size

1.0MB
MD5

0989a40e96ee1108296ce64b2fbf415c
SHA1

fd63bfc7440e688185727dec066fa5122baeef75
SHA256

4b3c8a95989759a99c7fee79f793ea2787526f0795d3382fe0c63143680e9ea4
SHA512

968ae56145fe1bb91660a2f4f91478f319db30420c7ba97edbfeea9d505ca769fa4a19420022affb60aca2a2f3e8d9b4d589bc448994e38dc233fa2fac1d0dfb
SSDEEP

24576:qqDEvCTbMWu7rQYlBQcBiT6rprG8ax6YEjTi0:qTvC/MTQYxsWR7ax43r

Score

10^/10

snakekeylogger discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot8124248958:AAHHSH6MqAJrQq3xcmINDov2O7_xgCmxgPE/sendMessage?chat_id=5808310347

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral1/memory/2800-7-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2800-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2800-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

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 2096 set thread context of 2800	2096	4b3c8a95989759a99c7fee79f793ea2787526f0795d3382fe0c63143680e9ea4.exe	30

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	choice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4b3c8a95989759a99c7fee79f793ea2787526f0795d3382fe0c63143680e9ea4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2800	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2096	4b3c8a95989759a99c7fee79f793ea2787526f0795d3382fe0c63143680e9ea4.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2800	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2096	4b3c8a95989759a99c7fee79f793ea2787526f0795d3382fe0c63143680e9ea4.exe
2096	4b3c8a95989759a99c7fee79f793ea2787526f0795d3382fe0c63143680e9ea4.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2096	4b3c8a95989759a99c7fee79f793ea2787526f0795d3382fe0c63143680e9ea4.exe
2096	4b3c8a95989759a99c7fee79f793ea2787526f0795d3382fe0c63143680e9ea4.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 2800	2096	4b3c8a95989759a99c7fee79f793ea2787526f0795d3382fe0c63143680e9ea4.exe	30
PID 2096 wrote to memory of 2800	2096	4b3c8a95989759a99c7fee79f793ea2787526f0795d3382fe0c63143680e9ea4.exe	30
PID 2096 wrote to memory of 2800	2096	4b3c8a95989759a99c7fee79f793ea2787526f0795d3382fe0c63143680e9ea4.exe	30
PID 2096 wrote to memory of 2800	2096	4b3c8a95989759a99c7fee79f793ea2787526f0795d3382fe0c63143680e9ea4.exe	30
PID 2096 wrote to memory of 2800	2096	4b3c8a95989759a99c7fee79f793ea2787526f0795d3382fe0c63143680e9ea4.exe	30
PID 2096 wrote to memory of 2800	2096	4b3c8a95989759a99c7fee79f793ea2787526f0795d3382fe0c63143680e9ea4.exe	30
PID 2096 wrote to memory of 2800	2096	4b3c8a95989759a99c7fee79f793ea2787526f0795d3382fe0c63143680e9ea4.exe	30
PID 2096 wrote to memory of 2800	2096	4b3c8a95989759a99c7fee79f793ea2787526f0795d3382fe0c63143680e9ea4.exe	30
PID 2800 wrote to memory of 2968	2800	RegSvcs.exe	32
PID 2800 wrote to memory of 2968	2800	RegSvcs.exe	32
PID 2800 wrote to memory of 2968	2800	RegSvcs.exe	32
PID 2800 wrote to memory of 2968	2800	RegSvcs.exe	32
PID 2968 wrote to memory of 2076	2968	cmd.exe	34
PID 2968 wrote to memory of 2076	2968	cmd.exe	34
PID 2968 wrote to memory of 2076	2968	cmd.exe	34
PID 2968 wrote to memory of 2076	2968	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\4b3c8a95989759a99c7fee79f793ea2787526f0795d3382fe0c63143680e9ea4.exe
"C:\Users\Admin\AppData\Local\Temp\4b3c8a95989759a99c7fee79f793ea2787526f0795d3382fe0c63143680e9ea4.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:2096
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\4b3c8a95989759a99c7fee79f793ea2787526f0795d3382fe0c63143680e9ea4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2800
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2968
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      System Location Discovery: System Language Discovery
      PID:2076

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

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2096-6-0x00000000006F0000-0x0000000000AF0000-memory.dmp

Filesize
4.0MB

Download
memory/2800-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2800-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2800-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2800-12-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

Filesize
4KB

Download
memory/2800-13-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2800-14-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

Filesize
4KB

Download
memory/2800-15-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2800-16-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing