snakekeylogger | a6740e91697a194c69526e700ed66eeff7f976364511eaaca4adeb62b7b387ec

Analysis

max time kernel
120s
max time network
130s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
25-06-2024 06:15

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General

Target

tmpzm9m5tod.exe
Size

557KB
MD5

af9d6f2a166aaabc3b5614ad30fe6777
SHA1

9198d11bc2924fa3a5a1df232fff8f36d1dd5d62
SHA256

a6740e91697a194c69526e700ed66eeff7f976364511eaaca4adeb62b7b387ec
SHA512

6b1ec03a0dc3300a455b897b17783d098f452946280e24f9da0755417f4b07db1079c3d953b8c289334fa2f35cbff8bfc13136f4b0cc62cc334ce11aa9826582
SSDEEP

12288:kajzn2qD+5+Sp1FEXPI18GQ/TSVA7T7qoX3Tmq:njznla+SFEA8tLSzGTm

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
valleycountysar.org
Port:
26
Username:
[email protected]
Password:
fY,FLoadtsiF

Signatures

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

Snake Keylogger payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1744-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1744-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1744-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1744-8-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1744-7-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

tmpzm9m5tod.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmpzm9m5tod.exe
Key opened	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmpzm9m5tod.exe
Key opened	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmpzm9m5tod.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:

tmpzm9m5tod.exe

description pid process target process

PID 2008 set thread context of 1744 2008 tmpzm9m5tod.exe tmpzm9m5tod.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

tmpzm9m5tod.exe

pid process

1744 tmpzm9m5tod.exe
1744 tmpzm9m5tod.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tmpzm9m5tod.exe

description pid process

Token: SeDebugPrivilege 1744 tmpzm9m5tod.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 2008 set thread context of 1744	2008	tmpzm9m5tod.exe	tmpzm9m5tod.exe

pid	process
1744	tmpzm9m5tod.exe
1744	tmpzm9m5tod.exe

description	pid	process
Token: SeDebugPrivilege	1744	tmpzm9m5tod.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

tmpzm9m5tod.exe

description	pid	process	target process
PID 2008 wrote to memory of 1744	2008	tmpzm9m5tod.exe	tmpzm9m5tod.exe
PID 2008 wrote to memory of 1744	2008	tmpzm9m5tod.exe	tmpzm9m5tod.exe
PID 2008 wrote to memory of 1744	2008	tmpzm9m5tod.exe	tmpzm9m5tod.exe
PID 2008 wrote to memory of 1744	2008	tmpzm9m5tod.exe	tmpzm9m5tod.exe
PID 2008 wrote to memory of 1744	2008	tmpzm9m5tod.exe	tmpzm9m5tod.exe
PID 2008 wrote to memory of 1744	2008	tmpzm9m5tod.exe	tmpzm9m5tod.exe
PID 2008 wrote to memory of 1744	2008	tmpzm9m5tod.exe	tmpzm9m5tod.exe
PID 2008 wrote to memory of 1744	2008	tmpzm9m5tod.exe	tmpzm9m5tod.exe
PID 2008 wrote to memory of 1744	2008	tmpzm9m5tod.exe	tmpzm9m5tod.exe

outlook_office_path 1 IoCs

Processes:

tmpzm9m5tod.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmpzm9m5tod.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmpzm9m5tod.exe

outlook_win_path 1 IoCs

Processes:

tmpzm9m5tod.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmpzm9m5tod.exe

C:\Users\Admin\AppData\Local\Temp\tmpzm9m5tod.exe
"C:\Users\Admin\AppData\Local\Temp\tmpzm9m5tod.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2008

C:\Users\Admin\AppData\Local\Temp\tmpzm9m5tod.exe
"C:\Users\Admin\AppData\Local\Temp\tmpzm9m5tod.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1744

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1744-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1744-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1744-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1744-19-0x0000000074550000-0x0000000074C3E000-memory.dmp

Filesize
6.9MB

Download
memory/1744-16-0x0000000074550000-0x0000000074C3E000-memory.dmp

Filesize
6.9MB

Download
memory/1744-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1744-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1744-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1744-17-0x0000000074550000-0x0000000074C3E000-memory.dmp

Filesize
6.9MB

Download
memory/1744-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1744-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2008-4-0x0000000000310000-0x0000000000318000-memory.dmp

Filesize
32KB

Download
memory/2008-0-0x000000007455E000-0x000000007455F000-memory.dmp

Filesize
4KB

Download
memory/2008-1-0x0000000000F60000-0x0000000000FF2000-memory.dmp

Filesize
584KB

Download
memory/2008-2-0x0000000000EE0000-0x0000000000F34000-memory.dmp

Filesize
336KB

Download
memory/2008-18-0x0000000074550000-0x0000000074C3E000-memory.dmp

Filesize
6.9MB

Download
memory/2008-3-0x0000000074550000-0x0000000074C3E000-memory.dmp

Filesize
6.9MB

Download