snakekeylogger | edeec6aa1a5388aaf6c98c7bde88b9039e592d393cf3695148c3cd0abed4127b

General

Target

receipt29092022_payment_A73872878377PDF.exe
Size

937KB
MD5

b0dda24375d4d6783cf0ce7e5b63a515
SHA1

4c440b9fc020bb246d9745532d32c2526a55bbea
SHA256

edeec6aa1a5388aaf6c98c7bde88b9039e592d393cf3695148c3cd0abed4127b
SHA512

3b6a47efd2dd8410bdb2eba028b767c461eb28a2380f52fbe87f06195fa2bb25e08eeb19fbb9054a7e76509b69a03c861a975c8e8f717e8104b2ff1af3ce4e07
SSDEEP

12288:Z21MvDR+H+IfLtdCIPtM1kg7wVXJR5S/2qw2Ru2chRhKfrb:+MEeIf68a1kg0rRMOEMfhRhKT

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5453475689:AAEPtYkTq-8THTeKrYW8b68w6CGTVgKvmpM/sendMessage?chat_id=5798274961

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/2040-64-0x0000000000400000-0x0000000000436000-memory.dmp	family_snakekeylogger
behavioral1/memory/2040-66-0x0000000000400000-0x0000000000436000-memory.dmp	family_snakekeylogger
behavioral1/memory/2040-67-0x0000000000400000-0x0000000000436000-memory.dmp	family_snakekeylogger
behavioral1/memory/2040-68-0x00000000004203EE-mapping.dmp	family_snakekeylogger
behavioral1/memory/2040-70-0x0000000000400000-0x0000000000436000-memory.dmp	family_snakekeylogger
behavioral1/memory/2040-72-0x0000000000400000-0x0000000000436000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 112 set thread context of 2040	112	receipt29092022_payment_A73872878377PDF.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
112	receipt29092022_payment_A73872878377PDF.exe
2040	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	112	receipt29092022_payment_A73872878377PDF.exe
Token: SeDebugPrivilege	2040	MSBuild.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 112 wrote to memory of 1800	112	receipt29092022_payment_A73872878377PDF.exe	27
PID 112 wrote to memory of 1800	112	receipt29092022_payment_A73872878377PDF.exe	27
PID 112 wrote to memory of 1800	112	receipt29092022_payment_A73872878377PDF.exe	27
PID 112 wrote to memory of 1800	112	receipt29092022_payment_A73872878377PDF.exe	27
PID 112 wrote to memory of 2040	112	receipt29092022_payment_A73872878377PDF.exe	28
PID 112 wrote to memory of 2040	112	receipt29092022_payment_A73872878377PDF.exe	28
PID 112 wrote to memory of 2040	112	receipt29092022_payment_A73872878377PDF.exe	28
PID 112 wrote to memory of 2040	112	receipt29092022_payment_A73872878377PDF.exe	28
PID 112 wrote to memory of 2040	112	receipt29092022_payment_A73872878377PDF.exe	28
PID 112 wrote to memory of 2040	112	receipt29092022_payment_A73872878377PDF.exe	28
PID 112 wrote to memory of 2040	112	receipt29092022_payment_A73872878377PDF.exe	28
PID 112 wrote to memory of 2040	112	receipt29092022_payment_A73872878377PDF.exe	28
PID 112 wrote to memory of 2040	112	receipt29092022_payment_A73872878377PDF.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\receipt29092022_payment_A73872878377PDF.exe
"C:\Users\Admin\AppData\Local\Temp\receipt29092022_payment_A73872878377PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:112
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:1800
- 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:2040

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/112-54-0x0000000000B60000-0x0000000000C50000-memory.dmp

Filesize
960KB

Download
memory/112-55-0x0000000074C11000-0x0000000074C13000-memory.dmp

Filesize
8KB

Download
memory/112-56-0x0000000000310000-0x0000000000324000-memory.dmp

Filesize
80KB

Download
memory/112-57-0x0000000000370000-0x0000000000384000-memory.dmp

Filesize
80KB

Download
memory/112-58-0x00000000003D0000-0x00000000003DC000-memory.dmp

Filesize
48KB

Download
memory/112-59-0x00000000059E0000-0x0000000005A98000-memory.dmp

Filesize
736KB

Download
memory/112-60-0x0000000004D40000-0x0000000004DA6000-memory.dmp

Filesize
408KB

Download
memory/2040-61-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2040-62-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2040-64-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2040-66-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2040-67-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2040-70-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2040-72-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download

Analysis

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