snakekeylogger | c867fd488ab6ce0432121c22a8135548149fdec7ac7034c5e9ad6a78f4d08c5d

General

Target

MBUaTHW5wrIZaL0.exe
Size

516KB
MD5

47245a8954bdf53dea70e6bce223a6ee
SHA1

d6b209cb02a5fdb0a8e8864cdaa0abbc4378de13
SHA256

c867fd488ab6ce0432121c22a8135548149fdec7ac7034c5e9ad6a78f4d08c5d
SHA512

c943cbf0e7f50d4f2b4aa52ce8c42b3f5c0af869dd5bb304d8eff9058b3aebd8ef06e40b71bb2de7402a39979460a0c1e0d86ef3207c5b330f71319e48126d24
SSDEEP

12288:daRDyIR6h+kGeeZosJ2XLXEv/g7Ms1ienFHaPO:8MIR6peZosaLXEv/gV1iM4

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5412042498:AAH4OVSAlB-9yvO0MxObTPVF8mPej6Ln4M4/sendMessage?chat_id=5573520537

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4740-148-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation	MBUaTHW5wrIZaL0.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MBUaTHW5wrIZaL0.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MBUaTHW5wrIZaL0.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MBUaTHW5wrIZaL0.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
29	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2232 set thread context of 4740	2232	MBUaTHW5wrIZaL0.exe	94

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
4576	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2232	MBUaTHW5wrIZaL0.exe
2232	MBUaTHW5wrIZaL0.exe
2232	MBUaTHW5wrIZaL0.exe
2232	MBUaTHW5wrIZaL0.exe
2232	MBUaTHW5wrIZaL0.exe
3916	powershell.exe
4740	MBUaTHW5wrIZaL0.exe
3916	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2232	MBUaTHW5wrIZaL0.exe
Token: SeDebugPrivilege	3916	powershell.exe
Token: SeDebugPrivilege	4740	MBUaTHW5wrIZaL0.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 3916	2232	MBUaTHW5wrIZaL0.exe	90
PID 2232 wrote to memory of 3916	2232	MBUaTHW5wrIZaL0.exe	90
PID 2232 wrote to memory of 3916	2232	MBUaTHW5wrIZaL0.exe	90
PID 2232 wrote to memory of 4576	2232	MBUaTHW5wrIZaL0.exe	92
PID 2232 wrote to memory of 4576	2232	MBUaTHW5wrIZaL0.exe	92
PID 2232 wrote to memory of 4576	2232	MBUaTHW5wrIZaL0.exe	92
PID 2232 wrote to memory of 4740	2232	MBUaTHW5wrIZaL0.exe	94
PID 2232 wrote to memory of 4740	2232	MBUaTHW5wrIZaL0.exe	94
PID 2232 wrote to memory of 4740	2232	MBUaTHW5wrIZaL0.exe	94
PID 2232 wrote to memory of 4740	2232	MBUaTHW5wrIZaL0.exe	94
PID 2232 wrote to memory of 4740	2232	MBUaTHW5wrIZaL0.exe	94
PID 2232 wrote to memory of 4740	2232	MBUaTHW5wrIZaL0.exe	94
PID 2232 wrote to memory of 4740	2232	MBUaTHW5wrIZaL0.exe	94
PID 2232 wrote to memory of 4740	2232	MBUaTHW5wrIZaL0.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MBUaTHW5wrIZaL0.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MBUaTHW5wrIZaL0.exe

C:\Users\Admin\AppData\Local\Temp\MBUaTHW5wrIZaL0.exe
"C:\Users\Admin\AppData\Local\Temp\MBUaTHW5wrIZaL0.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BkLzLchFlyfofz.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3916
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BkLzLchFlyfofz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp467F.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4576
- C:\Users\Admin\AppData\Local\Temp\MBUaTHW5wrIZaL0.exe
  "C:\Users\Admin\AppData\Local\Temp\MBUaTHW5wrIZaL0.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4740

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\MBUaTHW5wrIZaL0.exe.log

Filesize
1KB

MD5
49685ea2ec75b667620f01a9a097c5ec

SHA1
47e9533880b1f719c965e87e4d9bb4fe87b40436

SHA256
2d4f542d8055f7c5a108ea58f8a99dd926f324ce7c7424f9065da187e497a5b8

SHA512
38122768fb1cd36fdc62ff4dcfdb6554108b3e346f1361a71fdd091dbf86fc825fa3d3e79c86376384c32925b2c792bc7d37be566e4dbdb12a94c2af5e9ad790

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vdzmmnwb.br4.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp467F.tmp

Filesize
1KB

MD5
7d6ce8ae64244cc28124e7979579abe2

SHA1
b344de4f96d329c532f60e8dce875a9b89f39d43

SHA256
f86650e46c43d7d73d15cad66819c53a956cd26018cc206cd2419aa94b541d70

SHA512
fbf38688e4c9a92594991c8bd752268d807da8ad74813b8ec39465a56cf77691c26705f7795472fcbd926418c1a3aa8d7cc6ba998dba2f1033ac0b910479bef5

Download Submit
memory/2232-134-0x0000000005230000-0x00000000057D4000-memory.dmp

Filesize
5.6MB

Download
memory/2232-135-0x0000000004D20000-0x0000000004DB2000-memory.dmp

Filesize
584KB

Download
memory/2232-136-0x00000000057E0000-0x0000000005986000-memory.dmp

Filesize
1.6MB

Download
memory/2232-137-0x0000000004D10000-0x0000000004D1A000-memory.dmp

Filesize
40KB

Download
memory/2232-138-0x0000000004F30000-0x0000000004F40000-memory.dmp

Filesize
64KB

Download
memory/2232-139-0x0000000004F30000-0x0000000004F40000-memory.dmp

Filesize
64KB

Download
memory/2232-140-0x0000000007E70000-0x0000000007F0C000-memory.dmp

Filesize
624KB

Download
memory/2232-133-0x00000000002C0000-0x0000000000346000-memory.dmp

Filesize
536KB

Download
memory/3916-158-0x0000000005430000-0x0000000005496000-memory.dmp

Filesize
408KB

Download
memory/3916-168-0x0000000004650000-0x0000000004660000-memory.dmp

Filesize
64KB

Download
memory/3916-151-0x0000000004A70000-0x0000000004A92000-memory.dmp

Filesize
136KB

Download
memory/3916-147-0x0000000004C90000-0x00000000052B8000-memory.dmp

Filesize
6.2MB

Download
memory/3916-152-0x0000000004C10000-0x0000000004C76000-memory.dmp

Filesize
408KB

Download
memory/3916-145-0x0000000004480000-0x00000000044B6000-memory.dmp

Filesize
216KB

Download
memory/3916-164-0x0000000004650000-0x0000000004660000-memory.dmp

Filesize
64KB

Download
memory/3916-188-0x0000000007050000-0x0000000007058000-memory.dmp

Filesize
32KB

Download
memory/3916-165-0x0000000004650000-0x0000000004660000-memory.dmp

Filesize
64KB

Download
memory/3916-166-0x0000000005A20000-0x0000000005A3E000-memory.dmp

Filesize
120KB

Download
memory/3916-187-0x0000000007070000-0x000000000708A000-memory.dmp

Filesize
104KB

Download
memory/3916-186-0x0000000006F60000-0x0000000006F6E000-memory.dmp

Filesize
56KB

Download
memory/3916-169-0x0000000006000000-0x0000000006032000-memory.dmp

Filesize
200KB

Download
memory/3916-170-0x0000000070B50000-0x0000000070B9C000-memory.dmp

Filesize
304KB

Download
memory/3916-180-0x0000000005FD0000-0x0000000005FEE000-memory.dmp

Filesize
120KB

Download
memory/3916-181-0x0000000007380000-0x00000000079FA000-memory.dmp

Filesize
6.5MB

Download
memory/3916-182-0x0000000006D30000-0x0000000006D4A000-memory.dmp

Filesize
104KB

Download
memory/3916-183-0x000000007F970000-0x000000007F980000-memory.dmp

Filesize
64KB

Download
memory/3916-184-0x0000000006DB0000-0x0000000006DBA000-memory.dmp

Filesize
40KB

Download
memory/3916-185-0x0000000006FB0000-0x0000000007046000-memory.dmp

Filesize
600KB

Download
memory/4740-148-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4740-167-0x00000000063D0000-0x0000000006592000-memory.dmp

Filesize
1.8MB

Download
memory/4740-163-0x0000000002C40000-0x0000000002C50000-memory.dmp

Filesize
64KB

Download
memory/4740-191-0x0000000002C40000-0x0000000002C50000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads