snakekeylogger | 0572c03809fb256590da3a0b465cb3a4cd24eeb23f21b865d42c121c72cf76a4

General

Target

tmp.exe
Size

371KB
MD5

fcf17bb869c527c83eba15db716797a8
SHA1

1ed7e24ffb33f47ef94ef6ff2bfff9e3b95b39c7
SHA256

0572c03809fb256590da3a0b465cb3a4cd24eeb23f21b865d42c121c72cf76a4
SHA512

471dbff545684b39a398530e8db80277a6ae30f054f882de0474460e7bc22e90b1c59d5ef18ed9c11cd6b3ac98f6454dd8d337ba675b879c7d168573dfac1324
SSDEEP

3072:BxrKhF62TRyS4JLYfTxY+iJ1QGObe6p2vHL:BAF62TRZ4JLY9Y+G3ObZY

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
doDHyw%0
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/4116-163-0x0000000000400000-0x0000000000426000-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-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	tmp.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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
42	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4344 set thread context of 4116	4344	tmp.exe	93

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1288	powershell.exe
1288	powershell.exe
4116	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4344	tmp.exe
Token: SeDebugPrivilege	1288	powershell.exe
Token: SeDebugPrivilege	4116	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4344 wrote to memory of 1288	4344	tmp.exe	88
PID 4344 wrote to memory of 1288	4344	tmp.exe	88
PID 4344 wrote to memory of 1288	4344	tmp.exe	88
PID 4344 wrote to memory of 4116	4344	tmp.exe	93
PID 4344 wrote to memory of 4116	4344	tmp.exe	93
PID 4344 wrote to memory of 4116	4344	tmp.exe	93
PID 4344 wrote to memory of 4116	4344	tmp.exe	93
PID 4344 wrote to memory of 4116	4344	tmp.exe	93
PID 4344 wrote to memory of 4116	4344	tmp.exe	93
PID 4344 wrote to memory of 4116	4344	tmp.exe	93
PID 4344 wrote to memory of 4116	4344	tmp.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4344
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1288
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4116

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_q1bioppq.2ct.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1288-153-0x0000000007960000-0x0000000007FDA000-memory.dmp

Filesize
6.5MB

Download
memory/1288-156-0x0000000002D10000-0x0000000002D20000-memory.dmp

Filesize
64KB

Download
memory/1288-136-0x0000000002D20000-0x0000000002D56000-memory.dmp

Filesize
216KB

Download
memory/1288-139-0x0000000002D10000-0x0000000002D20000-memory.dmp

Filesize
64KB

Download
memory/1288-138-0x0000000005600000-0x0000000005C28000-memory.dmp

Filesize
6.2MB

Download
memory/1288-137-0x0000000002D10000-0x0000000002D20000-memory.dmp

Filesize
64KB

Download
memory/1288-140-0x0000000005530000-0x0000000005596000-memory.dmp

Filesize
408KB

Download
memory/1288-146-0x0000000005CA0000-0x0000000005D06000-memory.dmp

Filesize
408KB

Download
memory/1288-158-0x0000000002D10000-0x0000000002D20000-memory.dmp

Filesize
64KB

Download
memory/1288-151-0x00000000062E0000-0x00000000062FE000-memory.dmp

Filesize
120KB

Download
memory/1288-152-0x0000000002D10000-0x0000000002D20000-memory.dmp

Filesize
64KB

Download
memory/1288-157-0x0000000002D10000-0x0000000002D20000-memory.dmp

Filesize
64KB

Download
memory/1288-154-0x00000000067C0000-0x00000000067DA000-memory.dmp

Filesize
104KB

Download
memory/4116-168-0x0000000005170000-0x0000000005180000-memory.dmp

Filesize
64KB

Download
memory/4116-163-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4116-165-0x0000000005520000-0x0000000005AC4000-memory.dmp

Filesize
5.6MB

Download
memory/4116-166-0x0000000004E50000-0x0000000004EEC000-memory.dmp

Filesize
624KB

Download
memory/4116-167-0x0000000005F20000-0x00000000060E2000-memory.dmp

Filesize
1.8MB

Download
memory/4116-169-0x00000000060F0000-0x0000000006182000-memory.dmp

Filesize
584KB

Download
memory/4116-170-0x0000000005E90000-0x0000000005E9A000-memory.dmp

Filesize
40KB

Download
memory/4116-171-0x0000000005170000-0x0000000005180000-memory.dmp

Filesize
64KB

Download
memory/4344-135-0x0000000006240000-0x0000000006262000-memory.dmp

Filesize
136KB

Download
memory/4344-133-0x0000000000350000-0x00000000003B2000-memory.dmp

Filesize
392KB

Download
memory/4344-134-0x0000000004F40000-0x0000000004F50000-memory.dmp

Filesize
64KB

Download
memory/4344-155-0x0000000004F40000-0x0000000004F50000-memory.dmp

Filesize
64KB

Download

Analysis

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