snakekeylogger | ad7e23da6a9f779b2420c7e40293aa8f54e4b04a04c2a628a9d458de5bc54c06

Analysis

max time kernel
112s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2022 17:20

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General

Target

tmp.exe
Size

845KB
MD5

cdcefe2a9534f0cd4960906e3acabc89
SHA1

54505d3d097f37d94635698ccc828dd9bdf378a9
SHA256

ad7e23da6a9f779b2420c7e40293aa8f54e4b04a04c2a628a9d458de5bc54c06
SHA512

d8858c8d1af0873cae85bd7327da7ff5714672db8e425b5604008fc8a5477af1976aeac624bae3f8b84962e501ed8ba0f8353e346d07686c3d30bffffeb458e7
SSDEEP

12288:GorqU+xLBdwu8tKPLPysUAyt/fz3/yrEI5fLja9YvPZPDdzoa1cfN:D28e0l/bKEqfL+YnZPDdEPf

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

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/4260-138-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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:

tmp.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.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

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

Processes:

tmp.exe

description pid process target process

PID 4844 set thread context of 4260 4844 tmp.exe tmp.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

tmp.exe

pid process

4260 tmp.exe
4260 tmp.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tmp.exe

description pid process

Token: SeDebugPrivilege 4260 tmp.exe

flow	ioc
43	checkip.dyndns.org

description	pid	process	target process
PID 4844 set thread context of 4260	4844	tmp.exe	tmp.exe

pid	process
4260	tmp.exe
4260	tmp.exe

description	pid	process
Token: SeDebugPrivilege	4260	tmp.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

tmp.exe

description	pid	process	target process
PID 4844 wrote to memory of 4260	4844	tmp.exe	tmp.exe
PID 4844 wrote to memory of 4260	4844	tmp.exe	tmp.exe
PID 4844 wrote to memory of 4260	4844	tmp.exe	tmp.exe
PID 4844 wrote to memory of 4260	4844	tmp.exe	tmp.exe
PID 4844 wrote to memory of 4260	4844	tmp.exe	tmp.exe
PID 4844 wrote to memory of 4260	4844	tmp.exe	tmp.exe
PID 4844 wrote to memory of 4260	4844	tmp.exe	tmp.exe
PID 4844 wrote to memory of 4260	4844	tmp.exe	tmp.exe

outlook_office_path 1 IoCs

Processes:

tmp.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

outlook_win_path 1 IoCs

Processes:

tmp.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4844

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4260

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

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Downloads

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

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/4260-137-0x0000000000000000-mapping.dmp

Download
memory/4260-138-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4260-140-0x0000000006B10000-0x0000000006CD2000-memory.dmp

Filesize
1.8MB

Download
memory/4844-132-0x0000000000300000-0x00000000003DA000-memory.dmp

Filesize
872KB

Download
memory/4844-133-0x0000000005360000-0x0000000005904000-memory.dmp

Filesize
5.6MB

Download
memory/4844-134-0x0000000004DB0000-0x0000000004E42000-memory.dmp

Filesize
584KB

Download
memory/4844-135-0x0000000004D80000-0x0000000004D8A000-memory.dmp

Filesize
40KB

Download
memory/4844-136-0x0000000007960000-0x00000000079FC000-memory.dmp

Filesize
624KB

Download