snakekeylogger | 5e8cf27b727d949ee81c63189ff3a7f4137ecddff9a449e0889d78c16e55d13c

General

Target

doc-file001.exe
Size

443KB
MD5

89eb31c562df76938824479d9d5dba79
SHA1

d33bbfeaeee240750c26a5f56aaa26d70ffec8ac
SHA256

5e8cf27b727d949ee81c63189ff3a7f4137ecddff9a449e0889d78c16e55d13c
SHA512

301d281ba18f00516697552731b74fa16c69f283dff6c61c298523a59d9744852d7a327815315468159a206528d675202d635576a2f6654ab9638dd479cfc9bd
SSDEEP

12288:ITmgp57gEMX668YM2KGgQeq31apMciv6nnjqKoe:IfK6q/v6nnjqKoe

Score

10^/10

snakekeylogger stormkitty collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6296181609:AAGAOhYH-dkTEQqHw-rWHbkpGOeR4Z7OA18/sendMessage?chat_id=1760125104

Signatures

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

Snake Keylogger payload 7 IoCs

resource	yara_rule
behavioral1/memory/1428-62-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1428-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1428-65-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1428-67-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1428-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2036-70-0x00000000026B0000-0x00000000026F0000-memory.dmp	family_snakekeylogger
behavioral1/memory/2036-71-0x00000000026B0000-0x00000000026F0000-memory.dmp	family_snakekeylogger

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

StormKitty payload 6 IoCs

resource	yara_rule
behavioral1/memory/1428-62-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1428-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1428-65-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1428-67-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1428-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/2036-70-0x00000000026B0000-0x00000000026F0000-memory.dmp	family_stormkitty

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\doc-file.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\doc-file.exe	Powershell.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc-file001.exe
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc-file001.exe
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc-file001.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
3	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1100 set thread context of 1428	1100	doc-file001.exe	28

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1428	doc-file001.exe
2036	Powershell.exe
1428	doc-file001.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1428	doc-file001.exe
Token: SeDebugPrivilege	2036	Powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 2036	1100	doc-file001.exe	26
PID 1100 wrote to memory of 2036	1100	doc-file001.exe	26
PID 1100 wrote to memory of 2036	1100	doc-file001.exe	26
PID 1100 wrote to memory of 2036	1100	doc-file001.exe	26
PID 1100 wrote to memory of 1428	1100	doc-file001.exe	28
PID 1100 wrote to memory of 1428	1100	doc-file001.exe	28
PID 1100 wrote to memory of 1428	1100	doc-file001.exe	28
PID 1100 wrote to memory of 1428	1100	doc-file001.exe	28
PID 1100 wrote to memory of 1428	1100	doc-file001.exe	28
PID 1100 wrote to memory of 1428	1100	doc-file001.exe	28
PID 1100 wrote to memory of 1428	1100	doc-file001.exe	28
PID 1100 wrote to memory of 1428	1100	doc-file001.exe	28
PID 1100 wrote to memory of 1428	1100	doc-file001.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc-file001.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc-file001.exe

C:\Users\Admin\AppData\Local\Temp\doc-file001.exe
"C:\Users\Admin\AppData\Local\Temp\doc-file001.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\doc-file001.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\doc-file.exe'
  2⤵
  - Drops startup file
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2036
- C:\Users\Admin\AppData\Local\Temp\doc-file001.exe
  "C:\Users\Admin\AppData\Local\Temp\doc-file001.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1428

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1100-54-0x0000000001280000-0x00000000012F4000-memory.dmp

Filesize
464KB

Download
memory/1100-55-0x00000000003A0000-0x00000000003DA000-memory.dmp

Filesize
232KB

Download
memory/1100-56-0x0000000004A60000-0x0000000004AA0000-memory.dmp

Filesize
256KB

Download
memory/1100-59-0x0000000000500000-0x000000000050A000-memory.dmp

Filesize
40KB

Download
memory/1428-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1428-61-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1428-60-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1428-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1428-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1428-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1428-67-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1428-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1428-72-0x0000000004CF0000-0x0000000004D30000-memory.dmp

Filesize
256KB

Download
memory/2036-70-0x00000000026B0000-0x00000000026F0000-memory.dmp

Filesize
256KB

Download
memory/2036-71-0x00000000026B0000-0x00000000026F0000-memory.dmp

Filesize
256KB

Download

Analysis

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