snakekeylogger | b0694f1edbe6e36edd040d3f47b30244cd988e6ceb525fd3122ae2f94070db46 | Triage

Analysis

max time kernel
136s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
02-06-2023 02:24

Sharing

Report Analysis Logs

General

Target

4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
Size

689KB
MD5

bf59013763e9cf99c0d1c97a62148a24
SHA1

92762b9327e2ad1ef715da78736361ef3bac0108
SHA256

4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8
SHA512

c8395872e9d01a132b2e2c7ba34625440e3c4fd7c99a9c928f58969d8a8b5f1fad0fe8a78499964136befb2be253ac820a1bf920d84ed09cba94abab979c2049
SSDEEP

12288:3mAMTihh6xhZ6OrSdcMxDAXsfJstdKmRNX/Xm9EMY2nVPyPu:JMUgh8ynMxDWAidKsNPKEMlVaW

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/2216-139-0x0000000000400000-0x0000000000426000-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/2216-139-0x0000000000400000-0x0000000000426000-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

Email Collection

Processes:

4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.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

33 checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

description	pid	process	target process
PID 368 set thread context of 2216	368	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

pid	process
2216	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
2216	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

description pid process

Token: SeDebugPrivilege 2216 4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

description	pid	process	target process
PID 368 wrote to memory of 2216	368	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
PID 368 wrote to memory of 2216	368	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
PID 368 wrote to memory of 2216	368	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
PID 368 wrote to memory of 2216	368	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
PID 368 wrote to memory of 2216	368	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
PID 368 wrote to memory of 2216	368	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
PID 368 wrote to memory of 2216	368	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
PID 368 wrote to memory of 2216	368	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

outlook_office_path 1 IoCs

Processes:

4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

outlook_win_path 1 IoCs

Processes:

4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

C:\Users\Admin\AppData\Local\Temp\4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
"C:\Users\Admin\AppData\Local\Temp\4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:368

C:\Users\Admin\AppData\Local\Temp\4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
"C:\Users\Admin\AppData\Local\Temp\4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2216

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe.log
Filesize
1KB

MD5
36049bae97bba745c793444373453cb0

SHA1
eb6e9a822944e8e207abba1a5e53f0183a1684f1

SHA256
839fa1f9725719938ffa24533587b168bae2768f23ac09dccb3ad4ab8ae6abcd

SHA512
a6584b7b435afeffb6becfbed82517087030eb23534fa50deecd02330bf36d633ba22e979e36b9c27e35885f9cc1cc9481dadc53cc265be61391e11a7c2c7cdb

Download Submit
memory/368-133-0x0000000000D90000-0x0000000000E42000-memory.dmp

Filesize
712KB

Download
memory/368-134-0x0000000005650000-0x0000000005660000-memory.dmp

Filesize
64KB

Download
memory/368-135-0x0000000005EA0000-0x0000000006444000-memory.dmp

Filesize
5.6MB

Download
memory/368-136-0x00000000059D0000-0x0000000005A62000-memory.dmp

Filesize
584KB

Download
memory/368-137-0x0000000005650000-0x0000000005660000-memory.dmp

Filesize
64KB

Download
memory/368-138-0x0000000007400000-0x000000000749C000-memory.dmp

Filesize
624KB

Download
memory/2216-139-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2216-142-0x0000000005870000-0x0000000005880000-memory.dmp

Filesize
64KB

Download
memory/2216-143-0x0000000005870000-0x0000000005880000-memory.dmp

Filesize
64KB

Download
memory/2216-144-0x0000000006C30000-0x0000000006C3A000-memory.dmp

Filesize
40KB

Download