snakekeylogger | c45857bf418c526b5652d2efea575e9c396fd9f46402b48cae1315a59dc13837

General

Target

PO YUTTR565.exe
Size

551KB
MD5

478d232a8926f8a9167818a69ca7790b
SHA1

2ca3c452a07885df7aa6031b6dd427a090a41d4b
SHA256

c45857bf418c526b5652d2efea575e9c396fd9f46402b48cae1315a59dc13837
SHA512

9230fe7c05f023e7b309de862344d96e1ff8865c995ceec36c54118bc2254575e9d3d6943cd15d779a4fd6eeffc95f3f7606f623b7d3670f118a3b474f0a6b93
SSDEEP

12288:y1pSqeDbprMALNIt2W1y54duxtzJnU2GZlNYLTfX:+S7ZKt2MuFU2KlNGbX

Score

10^/10

snakekeylogger stormkitty collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6221660400:AAGb-WADrhdDFxd9kxzjtg3jdDw9-uvNVlM/sendMessage?chat_id=6200392710

Signatures

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

Snake Keylogger payload 7 IoCs

resource	yara_rule
behavioral1/memory/1220-62-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1220-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1220-65-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1220-67-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1220-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1220-70-0x0000000004AC0000-0x0000000004B00000-memory.dmp	family_snakekeylogger
behavioral1/memory/1220-71-0x0000000004AC0000-0x0000000004B00000-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/1220-62-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1220-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1220-65-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1220-67-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1220-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1220-70-0x0000000004AC0000-0x0000000004B00000-memory.dmp	family_stormkitty

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-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO YUTTR565.exe
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO YUTTR565.exe
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO YUTTR565.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 1732 set thread context of 1220	1732	PO YUTTR565.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1220	PO YUTTR565.exe
1220	PO YUTTR565.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1220	PO YUTTR565.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 1220	1732	PO YUTTR565.exe	28
PID 1732 wrote to memory of 1220	1732	PO YUTTR565.exe	28
PID 1732 wrote to memory of 1220	1732	PO YUTTR565.exe	28
PID 1732 wrote to memory of 1220	1732	PO YUTTR565.exe	28
PID 1732 wrote to memory of 1220	1732	PO YUTTR565.exe	28
PID 1732 wrote to memory of 1220	1732	PO YUTTR565.exe	28
PID 1732 wrote to memory of 1220	1732	PO YUTTR565.exe	28
PID 1732 wrote to memory of 1220	1732	PO YUTTR565.exe	28
PID 1732 wrote to memory of 1220	1732	PO YUTTR565.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO YUTTR565.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO YUTTR565.exe

C:\Users\Admin\AppData\Local\Temp\PO YUTTR565.exe
"C:\Users\Admin\AppData\Local\Temp\PO YUTTR565.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Users\Admin\AppData\Local\Temp\PO YUTTR565.exe
  "C:\Users\Admin\AppData\Local\Temp\PO YUTTR565.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1220

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/1220-67-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1220-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1220-71-0x0000000004AC0000-0x0000000004B00000-memory.dmp

Filesize
256KB

Download
memory/1220-70-0x0000000004AC0000-0x0000000004B00000-memory.dmp

Filesize
256KB

Download
memory/1220-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1220-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1220-60-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1220-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1220-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1220-61-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1732-55-0x0000000004D40000-0x0000000004D80000-memory.dmp

Filesize
256KB

Download
memory/1732-59-0x0000000001F70000-0x0000000001F98000-memory.dmp

Filesize
160KB

Download
memory/1732-54-0x00000000002C0000-0x0000000000350000-memory.dmp

Filesize
576KB

Download
memory/1732-58-0x0000000005E90000-0x0000000005EF0000-memory.dmp

Filesize
384KB

Download
memory/1732-57-0x0000000000570000-0x000000000057C000-memory.dmp

Filesize
48KB

Download
memory/1732-56-0x0000000000560000-0x0000000000574000-memory.dmp

Filesize
80KB

Download

Analysis

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