snakekeylogger | 6e4e3878a4a0cdf4f209c0248ed0f31f6e26de12c3ce700d54e7ddc7eecb6424

Analysis

max time kernel
122s
max time network
164s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-11-2024 00:57

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General

Target

Contrarre.exe
Size

1.4MB
MD5

3dc3bbec8d0de761f7992a0464409ba8
SHA1

073728a153af98b84ab24726b373bd994d9688e6
SHA256

9aa6870924984dad7897c2efa17305143d0e95aba5b8ecb387577361c7657d0c
SHA512

8bbb9e321241326d7a4da14069a165455b805dc2f161aa83557ff2619bf6b12c10c9d80916eb60046a15306353167bfd9a3818d31e7931c30b6d345a3332059f
SSDEEP

24576:pqDEvCTbMWu7rQYlBQcBiT6rprG8arPWg0EGRxH9DD3/MfOJ4L/:pTvC/MTQYxsWR7arfqlg44L

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot7814594885:AAHa3uCXluFI0wdWKPRtBnbO9yWlWuXuj84/sendMessage?chat_id=1178171552

Signatures

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

Snake Keylogger payload 33 IoCs

resource	yara_rule
behavioral1/memory/2060-8-0x00000000005D0000-0x000000000060A000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-10-0x0000000000840000-0x0000000000878000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-13-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-14-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-16-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-18-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-20-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-26-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-28-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-24-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-22-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-30-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-32-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-34-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-36-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-38-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-40-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-42-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-44-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-46-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-48-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-50-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-52-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-56-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-54-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-58-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-62-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-65-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-66-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-60-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-68-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-70-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger
behavioral1/memory/2060-72-0x0000000000840000-0x0000000000873000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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 352 set thread context of 2060	352	Contrarre.exe	31

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	Contrarre.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2060	RegSvcs.exe
2060	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
352	Contrarre.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2060	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 352 wrote to memory of 2060	352	Contrarre.exe	31
PID 352 wrote to memory of 2060	352	Contrarre.exe	31
PID 352 wrote to memory of 2060	352	Contrarre.exe	31
PID 352 wrote to memory of 2060	352	Contrarre.exe	31
PID 352 wrote to memory of 2060	352	Contrarre.exe	31
PID 352 wrote to memory of 2060	352	Contrarre.exe	31
PID 352 wrote to memory of 2060	352	Contrarre.exe	31
PID 352 wrote to memory of 2060	352	Contrarre.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Contrarre.exe
"C:\Users\Admin\AppData\Local\Temp\Contrarre.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:352
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\Contrarre.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/352-2-0x0000000002B50000-0x0000000002C50000-memory.dmp

Filesize
1024KB

Download
memory/2060-3-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2060-5-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2060-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2060-7-0x000000007487E000-0x000000007487F000-memory.dmp

Filesize
4KB

Download
memory/2060-8-0x00000000005D0000-0x000000000060A000-memory.dmp

Filesize
232KB

Download
memory/2060-9-0x0000000074870000-0x0000000074F5E000-memory.dmp

Filesize
6.9MB

Download
memory/2060-10-0x0000000000840000-0x0000000000878000-memory.dmp

Filesize
224KB

Download
memory/2060-11-0x0000000074870000-0x0000000074F5E000-memory.dmp

Filesize
6.9MB

Download
memory/2060-12-0x0000000074870000-0x0000000074F5E000-memory.dmp

Filesize
6.9MB

Download
memory/2060-13-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-14-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-16-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-18-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-20-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-26-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-28-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-24-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-22-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-30-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-32-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-34-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-36-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-38-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-40-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-42-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-44-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-46-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-48-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-50-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-52-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-56-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-54-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-58-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-62-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-65-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-66-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-60-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-68-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-70-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-72-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download
memory/2060-605-0x0000000074870000-0x0000000074F5E000-memory.dmp

Filesize
6.9MB

Download
memory/2060-606-0x000000007487E000-0x000000007487F000-memory.dmp

Filesize
4KB

Download
memory/2060-607-0x0000000074870000-0x0000000074F5E000-memory.dmp

Filesize
6.9MB

Download
memory/2060-608-0x0000000074870000-0x0000000074F5E000-memory.dmp

Filesize
6.9MB

Download
memory/2060-609-0x0000000074870000-0x0000000074F5E000-memory.dmp

Filesize
6.9MB

Download