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 1 IoCs

resource	yara_rule
behavioral2/memory/1644-13-0x0000000000400000-0x0000000000424000-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
36	checkip.dyndns.org
38	freegeoip.app
39	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 684 set thread context of 1644	684	ZYJY-2021010007.DBLF0445+446+441.exe	103

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2532	1644	WerFault.exe	103

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 1 IoCs

pid	Process
1644	ZYJY-2021010007.DBLF0445+446+441.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1644	ZYJY-2021010007.DBLF0445+446+441.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 684 wrote to memory of 1644	684	ZYJY-2021010007.DBLF0445+446+441.exe	103
PID 684 wrote to memory of 1644	684	ZYJY-2021010007.DBLF0445+446+441.exe	103
PID 684 wrote to memory of 1644	684	ZYJY-2021010007.DBLF0445+446+441.exe	103
PID 684 wrote to memory of 1644	684	ZYJY-2021010007.DBLF0445+446+441.exe	103
PID 684 wrote to memory of 1644	684	ZYJY-2021010007.DBLF0445+446+441.exe	103
PID 684 wrote to memory of 1644	684	ZYJY-2021010007.DBLF0445+446+441.exe	103
PID 684 wrote to memory of 1644	684	ZYJY-2021010007.DBLF0445+446+441.exe	103
PID 684 wrote to memory of 1644	684	ZYJY-2021010007.DBLF0445+446+441.exe	103

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 use of WriteProcessMemory
PID:684
- 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
  PID:1644
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1644 -s 1780
    3⤵
    - Program crash
    PID:2532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1644 -ip 1644
1⤵
PID:4968

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ZYJY-2021010007.DBLF0445+446+441.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
memory/684-8-0x00000000056E0000-0x00000000056F6000-memory.dmp

Filesize
88KB

Download
memory/684-3-0x0000000005870000-0x0000000005E14000-memory.dmp

Filesize
5.6MB

Download
memory/684-10-0x0000000075380000-0x0000000075B30000-memory.dmp

Filesize
7.7MB

Download
memory/684-11-0x0000000006A20000-0x0000000006AB0000-memory.dmp

Filesize
576KB

Download
memory/684-5-0x00000000051F0000-0x00000000051FA000-memory.dmp

Filesize
40KB

Download
memory/684-6-0x0000000005510000-0x0000000005566000-memory.dmp

Filesize
344KB

Download
memory/684-7-0x0000000075380000-0x0000000075B30000-memory.dmp

Filesize
7.7MB

Download
memory/684-0-0x000000007538E000-0x000000007538F000-memory.dmp

Filesize
4KB

Download
memory/684-9-0x000000007538E000-0x000000007538F000-memory.dmp

Filesize
4KB

Download
memory/684-2-0x0000000005220000-0x00000000052BC000-memory.dmp

Filesize
624KB

Download
memory/684-4-0x00000000052C0000-0x0000000005352000-memory.dmp

Filesize
584KB

Download
memory/684-12-0x0000000009040000-0x0000000009064000-memory.dmp

Filesize
144KB

Download
memory/684-1-0x0000000000720000-0x00000000007FC000-memory.dmp

Filesize
880KB

Download
memory/684-16-0x0000000075380000-0x0000000075B30000-memory.dmp

Filesize
7.7MB

Download
memory/1644-13-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1644-17-0x0000000075380000-0x0000000075B30000-memory.dmp

Filesize
7.7MB

Download
memory/1644-18-0x0000000075380000-0x0000000075B30000-memory.dmp

Filesize
7.7MB

Download
memory/1644-19-0x0000000075380000-0x0000000075B30000-memory.dmp

Filesize
7.7MB

Download

Analysis

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