snakekeylogger | 8f2dd3233b7b97265bcdfc1053875652d9f9012d3716de034f73b5caadd78d7b

Analysis

max time kernel
95s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-09-2024 10:17

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General

Target

8f2dd3233b7b97265bcdfc1053875652d9f9012d3716de034f73b5caadd78d7b.exe
Size

34KB
MD5

c3490999b5e36705b9b2abb2a3ed08c1
SHA1

f6af8f800b5e86d12ea5a1a5567da493d0c816b3
SHA256

8f2dd3233b7b97265bcdfc1053875652d9f9012d3716de034f73b5caadd78d7b
SHA512

4e0fac9aa28dba4129e1c35ccb14a2cde1562d62f3fd920f490cc28b1c875df54911dc497c5748772dcf3f06a33f68ce9a87ebd1c7df585c05a1c952635531a8
SSDEEP

768:hv2b4c1Jq7JN32aZzxya2sKE0HMN6G8jrWz0hsg4spg+:h0457JNHosn0GAvWz0uxB+

Score

10^/10

snakekeylogger collection discovery keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot7898897232:AAH4QekZK0wf1eNHt5yAECTe9huaiVIg5vE/sendMessage?chat_id=5726609491

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/3220-1094-0x00000000005B0000-0x00000000005D6000-memory.dmp	family_snakekeylogger

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 4456 created 3512	4456	8f2dd3233b7b97265bcdfc1053875652d9f9012d3716de034f73b5caadd78d7b.exe	56

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Gydvapkca = "C:\\Users\\Admin\\AppData\\Roaming\\Gydvapkca.exe"	8f2dd3233b7b97265bcdfc1053875652d9f9012d3716de034f73b5caadd78d7b.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
43	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4456 set thread context of 3220	4456	8f2dd3233b7b97265bcdfc1053875652d9f9012d3716de034f73b5caadd78d7b.exe	91

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	8f2dd3233b7b97265bcdfc1053875652d9f9012d3716de034f73b5caadd78d7b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4456	8f2dd3233b7b97265bcdfc1053875652d9f9012d3716de034f73b5caadd78d7b.exe
3220	InstallUtil.exe
3220	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4456	8f2dd3233b7b97265bcdfc1053875652d9f9012d3716de034f73b5caadd78d7b.exe
Token: SeDebugPrivilege	4456	8f2dd3233b7b97265bcdfc1053875652d9f9012d3716de034f73b5caadd78d7b.exe
Token: SeDebugPrivilege	3220	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4456 wrote to memory of 3220	4456	8f2dd3233b7b97265bcdfc1053875652d9f9012d3716de034f73b5caadd78d7b.exe	91
PID 4456 wrote to memory of 3220	4456	8f2dd3233b7b97265bcdfc1053875652d9f9012d3716de034f73b5caadd78d7b.exe	91
PID 4456 wrote to memory of 3220	4456	8f2dd3233b7b97265bcdfc1053875652d9f9012d3716de034f73b5caadd78d7b.exe	91
PID 4456 wrote to memory of 3220	4456	8f2dd3233b7b97265bcdfc1053875652d9f9012d3716de034f73b5caadd78d7b.exe	91
PID 4456 wrote to memory of 3220	4456	8f2dd3233b7b97265bcdfc1053875652d9f9012d3716de034f73b5caadd78d7b.exe	91
PID 4456 wrote to memory of 3220	4456	8f2dd3233b7b97265bcdfc1053875652d9f9012d3716de034f73b5caadd78d7b.exe	91
PID 4456 wrote to memory of 3220	4456	8f2dd3233b7b97265bcdfc1053875652d9f9012d3716de034f73b5caadd78d7b.exe	91
PID 4456 wrote to memory of 3220	4456	8f2dd3233b7b97265bcdfc1053875652d9f9012d3716de034f73b5caadd78d7b.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3512
- C:\Users\Admin\AppData\Local\Temp\8f2dd3233b7b97265bcdfc1053875652d9f9012d3716de034f73b5caadd78d7b.exe
  "C:\Users\Admin\AppData\Local\Temp\8f2dd3233b7b97265bcdfc1053875652d9f9012d3716de034f73b5caadd78d7b.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4456
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.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:3220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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/3220-1095-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/3220-1096-0x0000000004A80000-0x0000000004B1C000-memory.dmp

Filesize
624KB

Download
memory/3220-1097-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/3220-1094-0x00000000005B0000-0x00000000005D6000-memory.dmp

Filesize
152KB

Download
memory/3220-1098-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/3220-1102-0x0000000005EA0000-0x0000000005EAA000-memory.dmp

Filesize
40KB

Download
memory/3220-1101-0x0000000005F10000-0x0000000005FA2000-memory.dmp

Filesize
584KB

Download
memory/3220-1100-0x0000000006040000-0x0000000006202000-memory.dmp

Filesize
1.8MB

Download
memory/3220-1099-0x0000000005E20000-0x0000000005E70000-memory.dmp

Filesize
320KB

Download
memory/4456-29-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-19-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-11-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-15-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-61-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-59-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-57-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-55-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-53-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-51-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-49-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-47-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-45-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-41-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-39-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-37-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-35-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-33-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-31-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-4-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/4456-28-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-23-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-21-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-5-0x00000000012F0000-0x00000000013D8000-memory.dmp

Filesize
928KB

Download
memory/4456-17-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-13-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-43-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-25-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-9-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-7-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-6-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-63-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-69-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-67-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-65-0x00000000012F0000-0x00000000013D1000-memory.dmp

Filesize
900KB

Download
memory/4456-1080-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/4456-1081-0x0000000001490000-0x00000000014F2000-memory.dmp

Filesize
392KB

Download
memory/4456-1082-0x00000000013F0000-0x000000000143C000-memory.dmp

Filesize
304KB

Download
memory/4456-1085-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/4456-3-0x000000007446E000-0x000000007446F000-memory.dmp

Filesize
4KB

Download
memory/4456-2-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/4456-1-0x0000000000AB0000-0x0000000000ABE000-memory.dmp

Filesize
56KB

Download
memory/4456-0-0x000000007446E000-0x000000007446F000-memory.dmp

Filesize
4KB

Download
memory/4456-1087-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/4456-1088-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/4456-1089-0x0000000006770000-0x0000000006D14000-memory.dmp

Filesize
5.6MB

Download
memory/4456-1090-0x0000000006040000-0x0000000006094000-memory.dmp

Filesize
336KB

Download
memory/4456-1093-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download