snakekeylogger | 1f53cffa281a18eec6149e2fc33e25cb597281c536825156696a5fb6f48b59a1

General

Target

PO SJS 20221109-02.xlsx.exe
Size

722KB
MD5

e067420d4846f5ec6295db05b2a0a981
SHA1

9dc078c6e827d602d5d75c079442183693ab4e16
SHA256

1f53cffa281a18eec6149e2fc33e25cb597281c536825156696a5fb6f48b59a1
SHA512

ecd95a2ae69127caf7c5debbd78dc17ebf9ad8438ade17354c837ec3b90e6aa20fe10b000a6b885717ea75e4000f421e609e7699406133fdeb8966f5ce33a773
SSDEEP

12288:tZNtb7l7xdvo/MdyrhFgtDsuBHsSj5J4+saBGjSFqwAofEAOY456+gIN2Iaq6OPV:tH9BqmycgiH75BI1wASEj4+p2sPURGfH

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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2244-140-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

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

StormKitty payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2244-140-0x0000000000400000-0x0000000000426000-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

Processes:

PO SJS 20221109-02.xlsx.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO SJS 20221109-02.xlsx.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO SJS 20221109-02.xlsx.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO SJS 20221109-02.xlsx.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.

Processes:

flow ioc

71 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

PO SJS 20221109-02.xlsx.exe

description pid process target process

PID 4448 set thread context of 2244 4448 PO SJS 20221109-02.xlsx.exe PO SJS 20221109-02.xlsx.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

PO SJS 20221109-02.xlsx.exe

pid process

2244 PO SJS 20221109-02.xlsx.exe
2244 PO SJS 20221109-02.xlsx.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

PO SJS 20221109-02.xlsx.exe

description pid process

Token: SeDebugPrivilege 2244 PO SJS 20221109-02.xlsx.exe

flow	ioc
71	checkip.dyndns.org

description	pid	process	target process
PID 4448 set thread context of 2244	4448	PO SJS 20221109-02.xlsx.exe	PO SJS 20221109-02.xlsx.exe

pid	process
2244	PO SJS 20221109-02.xlsx.exe
2244	PO SJS 20221109-02.xlsx.exe

description	pid	process
Token: SeDebugPrivilege	2244	PO SJS 20221109-02.xlsx.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

PO SJS 20221109-02.xlsx.exe

description	pid	process	target process
PID 4448 wrote to memory of 2244	4448	PO SJS 20221109-02.xlsx.exe	PO SJS 20221109-02.xlsx.exe
PID 4448 wrote to memory of 2244	4448	PO SJS 20221109-02.xlsx.exe	PO SJS 20221109-02.xlsx.exe
PID 4448 wrote to memory of 2244	4448	PO SJS 20221109-02.xlsx.exe	PO SJS 20221109-02.xlsx.exe
PID 4448 wrote to memory of 2244	4448	PO SJS 20221109-02.xlsx.exe	PO SJS 20221109-02.xlsx.exe
PID 4448 wrote to memory of 2244	4448	PO SJS 20221109-02.xlsx.exe	PO SJS 20221109-02.xlsx.exe
PID 4448 wrote to memory of 2244	4448	PO SJS 20221109-02.xlsx.exe	PO SJS 20221109-02.xlsx.exe
PID 4448 wrote to memory of 2244	4448	PO SJS 20221109-02.xlsx.exe	PO SJS 20221109-02.xlsx.exe
PID 4448 wrote to memory of 2244	4448	PO SJS 20221109-02.xlsx.exe	PO SJS 20221109-02.xlsx.exe

outlook_office_path 1 IoCs

Processes:

PO SJS 20221109-02.xlsx.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO SJS 20221109-02.xlsx.exe

outlook_win_path 1 IoCs

Processes:

PO SJS 20221109-02.xlsx.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO SJS 20221109-02.xlsx.exe

C:\Users\Admin\AppData\Local\Temp\PO SJS 20221109-02.xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\PO SJS 20221109-02.xlsx.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4448

C:\Users\Admin\AppData\Local\Temp\PO SJS 20221109-02.xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\PO SJS 20221109-02.xlsx.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2244

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO SJS 20221109-02.xlsx.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2244-140-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2244-143-0x0000000002B50000-0x0000000002B60000-memory.dmp

Filesize
64KB

Download
memory/2244-144-0x0000000002B50000-0x0000000002B60000-memory.dmp

Filesize
64KB

Download
memory/4448-133-0x0000000000280000-0x0000000000338000-memory.dmp

Filesize
736KB

Download
memory/4448-134-0x0000000005330000-0x00000000058D4000-memory.dmp

Filesize
5.6MB

Download
memory/4448-135-0x0000000004CC0000-0x0000000004D52000-memory.dmp

Filesize
584KB

Download
memory/4448-136-0x0000000004E90000-0x0000000004E9A000-memory.dmp

Filesize
40KB

Download
memory/4448-137-0x0000000004C60000-0x0000000004C70000-memory.dmp

Filesize
64KB

Download
memory/4448-138-0x0000000004C60000-0x0000000004C70000-memory.dmp

Filesize
64KB

Download
memory/4448-139-0x0000000006920000-0x00000000069BC000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads