snakekeylogger | 672dfe85ece65a72aab50b726b15e61ae7b562f19de89ef17e5fe988abc85823

Analysis

max time kernel
91s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2022, 07:29

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General

Target
PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe
Size 790KB
Sample221012-ja8yaacha5
SHA256 672dfe85ece65a72aab50b726b15e61ae7b562f19de89ef17e5fe988abc85823
MD5 22563b662844992d4e6da5284724c1cf
SHA1 42f76c2060bc0b145bcfb7b6ac0573d992680d63
SHA512 9cfdab4d41ccbc2ed9101590a8696a5e428dac50b948360186fbc21c53c1bb26de68cb2eaceb45ed6fdc5ca11e48c72bfabbc1e6f2ac8c35106c2824cb34a0ef
SSDEEP 12288:hp/oqGPnJA5HEwSAq/vaaHP7Zzl33IrOVv0CUMv:NGitE9GK1J33UOVv5
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot5486243913:AAG6Jm7sGsjD2aGDej_Ex1CsQwqX0Sb4YT0/sendMessage?chat_id=1760125104

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/860-141-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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
37	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2796 set thread context of 860	2796	PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe	92

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2796	PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe
2796	PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe
860	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2796	PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe
Token: SeDebugPrivilege	860	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 4672	2796	PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe	91
PID 2796 wrote to memory of 4672	2796	PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe	91
PID 2796 wrote to memory of 4672	2796	PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe	91
PID 2796 wrote to memory of 860	2796	PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe	92
PID 2796 wrote to memory of 860	2796	PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe	92
PID 2796 wrote to memory of 860	2796	PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe	92
PID 2796 wrote to memory of 860	2796	PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe	92
PID 2796 wrote to memory of 860	2796	PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe	92
PID 2796 wrote to memory of 860	2796	PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe	92
PID 2796 wrote to memory of 860	2796	PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe	92
PID 2796 wrote to memory of 860	2796	PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe
"C:\Users\Admin\AppData\Local\Temp\PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2796
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:4672
- 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:860

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/860-141-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/860-142-0x0000000006840000-0x0000000006A02000-memory.dmp

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memory/2796-132-0x00000000001C0000-0x000000000028A000-memory.dmp

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memory/2796-133-0x0000000005250000-0x00000000057F4000-memory.dmp

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memory/2796-134-0x0000000004CA0000-0x0000000004D32000-memory.dmp

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memory/2796-135-0x0000000005E20000-0x0000000006438000-memory.dmp

Download

memory/2796-136-0x0000000004C80000-0x0000000004C8A000-memory.dmp

Download

memory/2796-137-0x000000000A0E0000-0x000000000A17C000-memory.dmp

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memory/2796-138-0x000000000A180000-0x000000000A1E6000-memory.dmp

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