snakekeylogger | 0ce4d6e8ba3ba2d916a91b04d863bc33727ab419f3f8013b3cb610bd49a5b104

General

Target

Payment Details.exe
Size

752KB
MD5

6fbe7f72bad2def906f6fea64565588a
SHA1

96dce6df15dbafa0f45b4d63c44aa2eb2a4a5c9a
SHA256

0ce4d6e8ba3ba2d916a91b04d863bc33727ab419f3f8013b3cb610bd49a5b104
SHA512

4d92df8373ee37c9a37c217db6a01e15b75ee5e03cfabea03fd6aa914bfcc791f6f79771afcb739ceef0914e2f1846db5964752115bee91dd4901f879baa2c75
SSDEEP

12288:qsAgHtDg5xE1l2/NhqNRa9xDbP1Nh66YsQkyZuWI:R4B2ixDbNR4ZBI

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5484820495:AAGEjy8dT72vJZImmHLmeh3onMuG9LLRD5A/sendMessage?chat_id=5101327412

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/3848-140-0x0000000000400000-0x0000000000426000-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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	Payment Details.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\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
24	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3724 set thread context of 3848	3724	Payment Details.exe	87

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
3224	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3724	Payment Details.exe
3848	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3724	Payment Details.exe
Token: SeDebugPrivilege	3848	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3724 wrote to memory of 3224	3724	Payment Details.exe	85
PID 3724 wrote to memory of 3224	3724	Payment Details.exe	85
PID 3724 wrote to memory of 3224	3724	Payment Details.exe	85
PID 3724 wrote to memory of 3848	3724	Payment Details.exe	87
PID 3724 wrote to memory of 3848	3724	Payment Details.exe	87
PID 3724 wrote to memory of 3848	3724	Payment Details.exe	87
PID 3724 wrote to memory of 3848	3724	Payment Details.exe	87
PID 3724 wrote to memory of 3848	3724	Payment Details.exe	87
PID 3724 wrote to memory of 3848	3724	Payment Details.exe	87
PID 3724 wrote to memory of 3848	3724	Payment Details.exe	87
PID 3724 wrote to memory of 3848	3724	Payment Details.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Payment Details.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Details.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3724
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yWKCXqUaVx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFA62.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3224
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3848

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

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\tmpFA62.tmp

Filesize
1KB

MD5
bee92b363c09d60a980f5626967e7f7f

SHA1
02f407e29b807dc3b8c32cbe20b4e401a5dd77e6

SHA256
12996c92c3e24a8c93a52208553022f6b56c3c9db078c55aeddfbd7d7c3b6c20

SHA512
300601efb138bc4fc61a4693af889e3b3bc6153db78a165c8932b48b541e0f79a470199599bceb9b4d3c40adb791d070743583d7cae43574b7c74890ccfa2a60

Download Submit
memory/3724-132-0x0000000000B60000-0x0000000000C22000-memory.dmp

Filesize
776KB

Download
memory/3724-133-0x0000000005C00000-0x00000000061A4000-memory.dmp

Filesize
5.6MB

Download
memory/3724-134-0x00000000055A0000-0x0000000005632000-memory.dmp

Filesize
584KB

Download
memory/3724-135-0x00000000056F0000-0x000000000578C000-memory.dmp

Filesize
624KB

Download
memory/3724-136-0x0000000005660000-0x000000000566A000-memory.dmp

Filesize
40KB

Download
memory/3848-140-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3848-141-0x00000000063D0000-0x0000000006592000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads