snakekeylogger | 1e4d15ccd3ee787324ccd48246f980a8e37495b82e962a27e9d634b14e6660bc

General

Target

tmp.exe
Size

1.1MB
MD5

178ff2e386dee063633a246556caf621
SHA1

b6f7afc2f136c5a56a698814d5d500b6bdddf7b0
SHA256

1e4d15ccd3ee787324ccd48246f980a8e37495b82e962a27e9d634b14e6660bc
SHA512

8fbcf503ed94062ca294df0b16a401d3649b8f7d912a02c2e70d349e451ebfd69216b63257a2d76d0ffb2dba45021101f85580834314d7d0998c89e8513d46b0
SSDEEP

24576:XW8DET+VwfHGXG31BX8+BvFr8TAqbDORBY:BbVwfpFBX8+BvFoDaY

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
LYSV$*b4
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/5016-143-0x0000000000400000-0x0000000000426000-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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	tmp.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-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.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
35	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2096 set thread context of 5016	2096	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

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
3648	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2096	tmp.exe
2096	tmp.exe
4680	powershell.exe
5016	tmp.exe
4680	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2096	tmp.exe
Token: SeDebugPrivilege	4680	powershell.exe
Token: SeDebugPrivilege	5016	tmp.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 4680	2096	tmp.exe	89
PID 2096 wrote to memory of 4680	2096	tmp.exe	89
PID 2096 wrote to memory of 4680	2096	tmp.exe	89
PID 2096 wrote to memory of 3648	2096	tmp.exe	91
PID 2096 wrote to memory of 3648	2096	tmp.exe	91
PID 2096 wrote to memory of 3648	2096	tmp.exe	91
PID 2096 wrote to memory of 5016	2096	tmp.exe	93
PID 2096 wrote to memory of 5016	2096	tmp.exe	93
PID 2096 wrote to memory of 5016	2096	tmp.exe	93
PID 2096 wrote to memory of 5016	2096	tmp.exe	93
PID 2096 wrote to memory of 5016	2096	tmp.exe	93
PID 2096 wrote to memory of 5016	2096	tmp.exe	93
PID 2096 wrote to memory of 5016	2096	tmp.exe	93
PID 2096 wrote to memory of 5016	2096	tmp.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\chzTmmOnWi.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4680
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\chzTmmOnWi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1DB9.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3648
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:5016

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\tmp.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1DB9.tmp

Filesize
1KB

MD5
bd763181ace7253400fbcae9b6e71558

SHA1
58d28ff39de45026c0261632ee0fa72752bfb610

SHA256
babccc18380866eb5e0d20fe9759880e5c570c0890b9f7c20e5444a1c8818230

SHA512
cebafcd7b8b22f22956b2b8bbff275644c683424c2b5ede1f1d723bad94a2ef0018fffd29579382918844e69e39e7f05a28ec13fbd33ffe77fa0dbaf675272e0

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memory/2096-133-0x0000000005E60000-0x0000000006404000-memory.dmp

Filesize
5.6MB

Download
memory/2096-134-0x00000000059A0000-0x0000000005A32000-memory.dmp

Filesize
584KB

Download
memory/2096-135-0x0000000005B40000-0x0000000005B4A000-memory.dmp

Filesize
40KB

Download
memory/2096-136-0x0000000009C50000-0x0000000009CEC000-memory.dmp

Filesize
624KB

Download
memory/2096-132-0x0000000000EF0000-0x0000000001010000-memory.dmp

Filesize
1.1MB

Download
memory/4680-146-0x0000000005170000-0x00000000051D6000-memory.dmp

Filesize
408KB

Download
memory/4680-153-0x00000000079B0000-0x000000000802A000-memory.dmp

Filesize
6.5MB

Download
memory/4680-142-0x00000000052F0000-0x0000000005918000-memory.dmp

Filesize
6.2MB

Download
memory/4680-159-0x0000000007690000-0x0000000007698000-memory.dmp

Filesize
32KB

Download
memory/4680-139-0x0000000000F30000-0x0000000000F66000-memory.dmp

Filesize
216KB

Download
memory/4680-145-0x00000000050D0000-0x00000000050F2000-memory.dmp

Filesize
136KB

Download
memory/4680-147-0x0000000005990000-0x00000000059F6000-memory.dmp

Filesize
408KB

Download
memory/4680-148-0x0000000006060000-0x000000000607E000-memory.dmp

Filesize
120KB

Download
memory/4680-158-0x00000000076B0000-0x00000000076CA000-memory.dmp

Filesize
104KB

Download
memory/4680-150-0x0000000006610000-0x0000000006642000-memory.dmp

Filesize
200KB

Download
memory/4680-151-0x0000000070110000-0x000000007015C000-memory.dmp

Filesize
304KB

Download
memory/4680-152-0x00000000065F0000-0x000000000660E000-memory.dmp

Filesize
120KB

Download
memory/4680-157-0x00000000075A0000-0x00000000075AE000-memory.dmp

Filesize
56KB

Download
memory/4680-154-0x0000000007370000-0x000000000738A000-memory.dmp

Filesize
104KB

Download
memory/4680-155-0x00000000073E0000-0x00000000073EA000-memory.dmp

Filesize
40KB

Download
memory/4680-156-0x00000000075F0000-0x0000000007686000-memory.dmp

Filesize
600KB

Download
memory/5016-149-0x00000000062A0000-0x0000000006462000-memory.dmp

Filesize
1.8MB

Download
memory/5016-143-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads