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 5 IoCs

resource	yara_rule
behavioral1/memory/748-68-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/748-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/748-71-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/748-73-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/748-75-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

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-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MBUaTHW5wrIZaL0.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MBUaTHW5wrIZaL0.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1420 set thread context of 748	1420	MBUaTHW5wrIZaL0.exe	31

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
1192	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1420	MBUaTHW5wrIZaL0.exe
1420	MBUaTHW5wrIZaL0.exe
1420	MBUaTHW5wrIZaL0.exe
1420	MBUaTHW5wrIZaL0.exe
748	MBUaTHW5wrIZaL0.exe
1924	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1420	MBUaTHW5wrIZaL0.exe
Token: SeDebugPrivilege	748	MBUaTHW5wrIZaL0.exe
Token: SeDebugPrivilege	1924	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1420 wrote to memory of 1924	1420	MBUaTHW5wrIZaL0.exe	27
PID 1420 wrote to memory of 1924	1420	MBUaTHW5wrIZaL0.exe	27
PID 1420 wrote to memory of 1924	1420	MBUaTHW5wrIZaL0.exe	27
PID 1420 wrote to memory of 1924	1420	MBUaTHW5wrIZaL0.exe	27
PID 1420 wrote to memory of 1192	1420	MBUaTHW5wrIZaL0.exe	28
PID 1420 wrote to memory of 1192	1420	MBUaTHW5wrIZaL0.exe	28
PID 1420 wrote to memory of 1192	1420	MBUaTHW5wrIZaL0.exe	28
PID 1420 wrote to memory of 1192	1420	MBUaTHW5wrIZaL0.exe	28
PID 1420 wrote to memory of 748	1420	MBUaTHW5wrIZaL0.exe	31
PID 1420 wrote to memory of 748	1420	MBUaTHW5wrIZaL0.exe	31
PID 1420 wrote to memory of 748	1420	MBUaTHW5wrIZaL0.exe	31
PID 1420 wrote to memory of 748	1420	MBUaTHW5wrIZaL0.exe	31
PID 1420 wrote to memory of 748	1420	MBUaTHW5wrIZaL0.exe	31
PID 1420 wrote to memory of 748	1420	MBUaTHW5wrIZaL0.exe	31
PID 1420 wrote to memory of 748	1420	MBUaTHW5wrIZaL0.exe	31
PID 1420 wrote to memory of 748	1420	MBUaTHW5wrIZaL0.exe	31
PID 1420 wrote to memory of 748	1420	MBUaTHW5wrIZaL0.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MBUaTHW5wrIZaL0.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\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⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1420
- 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:1924
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BkLzLchFlyfofz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFC69.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1192
- 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:748

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

System Information Discovery

1

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\Temp\tmpFC69.tmp

Filesize
1KB

MD5
47bea3c064706d1546cbe92e4eab4589

SHA1
884fa9e3a15bd19777b574b477c748248c7cda84

SHA256
452cf95c8e4d8dbff8011d14fd5d20c88acfc5b710c41153d4978c144f6ca88e

SHA512
0690cbe0bc0fc472ebdc7a4fb3eea015bba32df3a6bc8cf57c1b37f62c56419676deebdf15fea5f3d34da3e831604982f2afa69455e396d18e9dcfe69142c68b

Download Submit
memory/748-70-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/748-71-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/748-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/748-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/748-67-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/748-78-0x0000000004230000-0x0000000004270000-memory.dmp

Filesize
256KB

Download
memory/748-75-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/748-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/748-80-0x0000000004230000-0x0000000004270000-memory.dmp

Filesize
256KB

Download
memory/748-73-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1420-55-0x0000000004F70000-0x0000000004FB0000-memory.dmp

Filesize
256KB

Download
memory/1420-54-0x0000000000900000-0x0000000000986000-memory.dmp

Filesize
536KB

Download
memory/1420-58-0x0000000000690000-0x000000000069A000-memory.dmp

Filesize
40KB

Download
memory/1420-57-0x0000000004F70000-0x0000000004FB0000-memory.dmp

Filesize
256KB

Download
memory/1420-65-0x0000000005CC0000-0x0000000005CE8000-memory.dmp

Filesize
160KB

Download
memory/1420-56-0x0000000000450000-0x000000000045C000-memory.dmp

Filesize
48KB

Download
memory/1420-59-0x0000000004AA0000-0x0000000004B02000-memory.dmp

Filesize
392KB

Download
memory/1924-79-0x0000000002600000-0x0000000002640000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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