snakekeylogger | a55fbfe62135a43ed75a86acc68d0b2bd0322f4fd26a308df1504070b61db472

General

Target

ZYJY-2021010007.DBLF0445+446+441.exe
Size

859KB
MD5

d1994701f17adae13d520dcac95143a6
SHA1

a300a063c0ff2d7d8fdfc5a02205a61836adfde6
SHA256

4c0539b1d0a6fca3b802d94559079616acdb501b9544f4651cdf114cf7a6d700
SHA512

d095968ed0605e6fe64bed986501ab4ac693d0ee3c199c5d870746fa059ef412833a74aa5b8b7bdb03f596ce58eacdd9047a42c04cb38458d7232c15d2be45ea
SSDEEP

24576:Giz7knty6Ea5oBlQ9AHk5x4+QA4k3Kbog:Giz7kty6EuozQ9AEgj7k60g

Score

10^/10

snakekeylogger discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
25
Username:
[email protected]
Password:
BkKMmzZ1
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1760-10-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1760-18-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1760-16-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1760-14-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1760-11-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Looks up external IP address via web service 3 IoCs

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

flow	ioc
4	checkip.dyndns.org
8	freegeoip.app
9	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1620 set thread context of 1760	1620	ZYJY-2021010007.DBLF0445+446+441.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1460	1760	WerFault.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	ZYJY-2021010007.DBLF0445+446+441.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ZYJY-2021010007.DBLF0445+446+441.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1620	ZYJY-2021010007.DBLF0445+446+441.exe
1620	ZYJY-2021010007.DBLF0445+446+441.exe
1760	ZYJY-2021010007.DBLF0445+446+441.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1620	ZYJY-2021010007.DBLF0445+446+441.exe
Token: SeDebugPrivilege	1760	ZYJY-2021010007.DBLF0445+446+441.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 2660	1620	ZYJY-2021010007.DBLF0445+446+441.exe	30
PID 1620 wrote to memory of 2660	1620	ZYJY-2021010007.DBLF0445+446+441.exe	30
PID 1620 wrote to memory of 2660	1620	ZYJY-2021010007.DBLF0445+446+441.exe	30
PID 1620 wrote to memory of 2660	1620	ZYJY-2021010007.DBLF0445+446+441.exe	30
PID 1620 wrote to memory of 1760	1620	ZYJY-2021010007.DBLF0445+446+441.exe	31
PID 1620 wrote to memory of 1760	1620	ZYJY-2021010007.DBLF0445+446+441.exe	31
PID 1620 wrote to memory of 1760	1620	ZYJY-2021010007.DBLF0445+446+441.exe	31
PID 1620 wrote to memory of 1760	1620	ZYJY-2021010007.DBLF0445+446+441.exe	31
PID 1620 wrote to memory of 1760	1620	ZYJY-2021010007.DBLF0445+446+441.exe	31
PID 1620 wrote to memory of 1760	1620	ZYJY-2021010007.DBLF0445+446+441.exe	31
PID 1620 wrote to memory of 1760	1620	ZYJY-2021010007.DBLF0445+446+441.exe	31
PID 1620 wrote to memory of 1760	1620	ZYJY-2021010007.DBLF0445+446+441.exe	31
PID 1620 wrote to memory of 1760	1620	ZYJY-2021010007.DBLF0445+446+441.exe	31
PID 1760 wrote to memory of 1460	1760	ZYJY-2021010007.DBLF0445+446+441.exe	32
PID 1760 wrote to memory of 1460	1760	ZYJY-2021010007.DBLF0445+446+441.exe	32
PID 1760 wrote to memory of 1460	1760	ZYJY-2021010007.DBLF0445+446+441.exe	32
PID 1760 wrote to memory of 1460	1760	ZYJY-2021010007.DBLF0445+446+441.exe	32

C:\Users\Admin\AppData\Local\Temp\ZYJY-2021010007.DBLF0445+446+441.exe
"C:\Users\Admin\AppData\Local\Temp\ZYJY-2021010007.DBLF0445+446+441.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Users\Admin\AppData\Local\Temp\ZYJY-2021010007.DBLF0445+446+441.exe
  "C:\Users\Admin\AppData\Local\Temp\ZYJY-2021010007.DBLF0445+446+441.exe"
  2⤵
  PID:2660
- C:\Users\Admin\AppData\Local\Temp\ZYJY-2021010007.DBLF0445+446+441.exe
  "C:\Users\Admin\AppData\Local\Temp\ZYJY-2021010007.DBLF0445+446+441.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1760
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1760 -s 1572
    3⤵
    - Program crash
    PID:1460

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

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Downloads

memory/1620-0-0x000000007495E000-0x000000007495F000-memory.dmp

Filesize
4KB

Download
memory/1620-1-0x00000000009C0000-0x0000000000A9C000-memory.dmp

Filesize
880KB

Download
memory/1620-2-0x0000000074950000-0x000000007503E000-memory.dmp

Filesize
6.9MB

Download
memory/1620-3-0x00000000007F0000-0x0000000000806000-memory.dmp

Filesize
88KB

Download
memory/1620-4-0x000000007495E000-0x000000007495F000-memory.dmp

Filesize
4KB

Download
memory/1620-5-0x0000000074950000-0x000000007503E000-memory.dmp

Filesize
6.9MB

Download
memory/1620-6-0x0000000005550000-0x00000000055E0000-memory.dmp

Filesize
576KB

Download
memory/1620-7-0x0000000000B40000-0x0000000000B64000-memory.dmp

Filesize
144KB

Download
memory/1620-20-0x0000000074950000-0x000000007503E000-memory.dmp

Filesize
6.9MB

Download
memory/1760-9-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1760-10-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1760-18-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1760-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1760-14-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1760-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1760-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1760-19-0x0000000074950000-0x000000007503E000-memory.dmp

Filesize
6.9MB

Download
memory/1760-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1760-21-0x0000000074950000-0x000000007503E000-memory.dmp

Filesize
6.9MB

Download
memory/1760-22-0x0000000074950000-0x000000007503E000-memory.dmp

Filesize
6.9MB

Download
memory/1760-23-0x0000000074950000-0x000000007503E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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