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 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1236-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1236-64-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1236-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1236-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1236-68-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1236-71-0x0000000004B30000-0x0000000004B70000-memory.dmp	family_snakekeylogger
behavioral1/memory/1236-72-0x0000000004B30000-0x0000000004B70000-memory.dmp	family_snakekeylogger

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

StormKitty payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1236-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1236-64-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1236-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1236-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1236-68-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1236-71-0x0000000004B30000-0x0000000004B70000-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-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO SJS 20221109-02.xlsx.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO SJS 20221109-02.xlsx.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\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

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

Processes:

PO SJS 20221109-02.xlsx.exe

description pid process target process

PID 1416 set thread context of 1236 1416 PO SJS 20221109-02.xlsx.exe PO SJS 20221109-02.xlsx.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

PO SJS 20221109-02.xlsx.exePO SJS 20221109-02.xlsx.exe

pid process

1416 PO SJS 20221109-02.xlsx.exe
1236 PO SJS 20221109-02.xlsx.exe
1236 PO SJS 20221109-02.xlsx.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO SJS 20221109-02.xlsx.exePO SJS 20221109-02.xlsx.exe

description pid process

Token: SeDebugPrivilege 1416 PO SJS 20221109-02.xlsx.exe
Token: SeDebugPrivilege 1236 PO SJS 20221109-02.xlsx.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 1416 set thread context of 1236	1416	PO SJS 20221109-02.xlsx.exe	PO SJS 20221109-02.xlsx.exe

pid	process
1416	PO SJS 20221109-02.xlsx.exe
1236	PO SJS 20221109-02.xlsx.exe
1236	PO SJS 20221109-02.xlsx.exe

description	pid	process
Token: SeDebugPrivilege	1416	PO SJS 20221109-02.xlsx.exe
Token: SeDebugPrivilege	1236	PO SJS 20221109-02.xlsx.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

PO SJS 20221109-02.xlsx.exe

description	pid	process	target process
PID 1416 wrote to memory of 556	1416	PO SJS 20221109-02.xlsx.exe	PO SJS 20221109-02.xlsx.exe
PID 1416 wrote to memory of 556	1416	PO SJS 20221109-02.xlsx.exe	PO SJS 20221109-02.xlsx.exe
PID 1416 wrote to memory of 556	1416	PO SJS 20221109-02.xlsx.exe	PO SJS 20221109-02.xlsx.exe
PID 1416 wrote to memory of 556	1416	PO SJS 20221109-02.xlsx.exe	PO SJS 20221109-02.xlsx.exe
PID 1416 wrote to memory of 1236	1416	PO SJS 20221109-02.xlsx.exe	PO SJS 20221109-02.xlsx.exe
PID 1416 wrote to memory of 1236	1416	PO SJS 20221109-02.xlsx.exe	PO SJS 20221109-02.xlsx.exe
PID 1416 wrote to memory of 1236	1416	PO SJS 20221109-02.xlsx.exe	PO SJS 20221109-02.xlsx.exe
PID 1416 wrote to memory of 1236	1416	PO SJS 20221109-02.xlsx.exe	PO SJS 20221109-02.xlsx.exe
PID 1416 wrote to memory of 1236	1416	PO SJS 20221109-02.xlsx.exe	PO SJS 20221109-02.xlsx.exe
PID 1416 wrote to memory of 1236	1416	PO SJS 20221109-02.xlsx.exe	PO SJS 20221109-02.xlsx.exe
PID 1416 wrote to memory of 1236	1416	PO SJS 20221109-02.xlsx.exe	PO SJS 20221109-02.xlsx.exe
PID 1416 wrote to memory of 1236	1416	PO SJS 20221109-02.xlsx.exe	PO SJS 20221109-02.xlsx.exe
PID 1416 wrote to memory of 1236	1416	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-1-5-21-3948302646-268491222-1934009652-1000\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-1-5-21-3948302646-268491222-1934009652-1000\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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1416

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⤵
PID:556

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:1236

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

memory/1236-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1236-61-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1236-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1236-72-0x0000000004B30000-0x0000000004B70000-memory.dmp

Filesize
256KB

Download
memory/1236-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1236-71-0x0000000004B30000-0x0000000004B70000-memory.dmp

Filesize
256KB

Download
memory/1236-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1236-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1236-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1236-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1416-59-0x0000000004DF0000-0x0000000004E52000-memory.dmp

Filesize
392KB

Download
memory/1416-58-0x0000000000500000-0x000000000050C000-memory.dmp

Filesize
48KB

Download
memory/1416-54-0x0000000000B30000-0x0000000000BE8000-memory.dmp

Filesize
736KB

Download
memory/1416-56-0x00000000004F0000-0x0000000000504000-memory.dmp

Filesize
80KB

Download
memory/1416-60-0x0000000000B00000-0x0000000000B2A000-memory.dmp

Filesize
168KB

Download
memory/1416-55-0x0000000004BD0000-0x0000000004C10000-memory.dmp

Filesize
256KB

Download
memory/1416-57-0x0000000004BD0000-0x0000000004C10000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads