snakekeylogger | cc138ced1fbc3fd146c76a8ab520bc6e436b84a4cd26542e8d75ae57c435511d

Analysis

max time kernel
91s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
24-04-2023 14:20

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General

Target

5ae16d5f8eae9b63068ad5a08a311179.exe
Size

637KB
MD5

5ae16d5f8eae9b63068ad5a08a311179
SHA1

4189bf7a6fe8473395ee5814ca19a5aa70a20158
SHA256

cc138ced1fbc3fd146c76a8ab520bc6e436b84a4cd26542e8d75ae57c435511d
SHA512

774ecae4f72e9535c2bea549aa73c3a3872a772aff01924f52d1f7975a5f3039d75506b8c7956599eb028e2e10096e8b0a47c6232d355f3872a5c5215e4ac296
SSDEEP

12288:opGBO5ZZC/W2n9wl/mbORAuDSRB6okvdT1lPQiowic/7:mGqTC/fW/tRAu+RJk1RlPPse

Score

10^/10

snakekeylogger stormkitty collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot6102267622:AAFFZ_GvUj4OisNxsdlwZ5OHZVEfanDQBf0/sendMessage?chat_id=6107719374

Signatures

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

Snake Keylogger payload 2 IoCs

resource	yara_rule
behavioral2/memory/2308-140-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral2/memory/2308-143-0x0000000005140000-0x0000000005150000-memory.dmp	family_snakekeylogger

StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 2 IoCs

resource	yara_rule
behavioral2/memory/2308-140-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral2/memory/2308-142-0x0000000005140000-0x0000000005150000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\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
19	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4340 set thread context of 2308	4340	5ae16d5f8eae9b63068ad5a08a311179.exe	83

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2308	MSBuild.exe
2308	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2308	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4340 wrote to memory of 2308	4340	5ae16d5f8eae9b63068ad5a08a311179.exe	83
PID 4340 wrote to memory of 2308	4340	5ae16d5f8eae9b63068ad5a08a311179.exe	83
PID 4340 wrote to memory of 2308	4340	5ae16d5f8eae9b63068ad5a08a311179.exe	83
PID 4340 wrote to memory of 2308	4340	5ae16d5f8eae9b63068ad5a08a311179.exe	83
PID 4340 wrote to memory of 2308	4340	5ae16d5f8eae9b63068ad5a08a311179.exe	83
PID 4340 wrote to memory of 2308	4340	5ae16d5f8eae9b63068ad5a08a311179.exe	83
PID 4340 wrote to memory of 2308	4340	5ae16d5f8eae9b63068ad5a08a311179.exe	83
PID 4340 wrote to memory of 2308	4340	5ae16d5f8eae9b63068ad5a08a311179.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\5ae16d5f8eae9b63068ad5a08a311179.exe
"C:\Users\Admin\AppData\Local\Temp\5ae16d5f8eae9b63068ad5a08a311179.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4340
- 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:2308

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2308-140-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2308-142-0x0000000005140000-0x0000000005150000-memory.dmp

Filesize
64KB

Download
memory/2308-143-0x0000000005140000-0x0000000005150000-memory.dmp

Filesize
64KB

Download
memory/4340-133-0x0000000000590000-0x0000000000634000-memory.dmp

Filesize
656KB

Download
memory/4340-134-0x0000000005670000-0x0000000005C14000-memory.dmp

Filesize
5.6MB

Download
memory/4340-135-0x0000000004FF0000-0x0000000005082000-memory.dmp

Filesize
584KB

Download
memory/4340-136-0x0000000004FE0000-0x0000000004FEA000-memory.dmp

Filesize
40KB

Download
memory/4340-137-0x00000000051E0000-0x00000000051F0000-memory.dmp

Filesize
64KB

Download
memory/4340-138-0x00000000051E0000-0x00000000051F0000-memory.dmp

Filesize
64KB

Download
memory/4340-139-0x00000000068C0000-0x000000000695C000-memory.dmp

Filesize
624KB

Download