snakekeylogger | f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695

Analysis

max time kernel
120s
max time network
132s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
30-06-2024 15:43

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General

Target

vsl particulars packing list.exe
Size

1.5MB
MD5

ec3fe16c54946213c717a27606f70243
SHA1

d11efe4e0f949ff6b14929cd30ae146c1b4a11c9
SHA256

f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695
SHA512

66125f727ec27d3e1da5c87953e46e928b000d564c784b919ba0b558efe4aa080a2f310e729f03b113ab02bc5aea390bb60a6829d3d586fab414b430d40eab04
SSDEEP

12288:1hNsCbYGek5/68cYvmjZxVcsK3SCv6vcuqVuMDCqg0h+:14CF/6V1xNK3SnUrRh+

Score

10^/10

snakekeylogger collection keylogger 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/1364-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1364-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1364-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1364-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1364-8-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

jsc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.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:

vsl particulars packing list.exe

description pid process target process

PID 1176 set thread context of 1364 1176 vsl particulars packing list.exe jsc.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

jsc.exe

pid process

1364 jsc.exe
1364 jsc.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

jsc.exe

description pid process

Token: SeDebugPrivilege 1364 jsc.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 1176 set thread context of 1364	1176	vsl particulars packing list.exe	jsc.exe

pid	process
1364	jsc.exe
1364	jsc.exe

description	pid	process
Token: SeDebugPrivilege	1364	jsc.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

vsl particulars packing list.exe

description	pid	process	target process
PID 1176 wrote to memory of 1364	1176	vsl particulars packing list.exe	jsc.exe
PID 1176 wrote to memory of 1364	1176	vsl particulars packing list.exe	jsc.exe
PID 1176 wrote to memory of 1364	1176	vsl particulars packing list.exe	jsc.exe
PID 1176 wrote to memory of 1364	1176	vsl particulars packing list.exe	jsc.exe
PID 1176 wrote to memory of 1364	1176	vsl particulars packing list.exe	jsc.exe
PID 1176 wrote to memory of 1364	1176	vsl particulars packing list.exe	jsc.exe
PID 1176 wrote to memory of 1364	1176	vsl particulars packing list.exe	jsc.exe
PID 1176 wrote to memory of 1364	1176	vsl particulars packing list.exe	jsc.exe
PID 1176 wrote to memory of 1364	1176	vsl particulars packing list.exe	jsc.exe
PID 1176 wrote to memory of 2648	1176	vsl particulars packing list.exe	WerFault.exe
PID 1176 wrote to memory of 2648	1176	vsl particulars packing list.exe	WerFault.exe
PID 1176 wrote to memory of 2648	1176	vsl particulars packing list.exe	WerFault.exe

outlook_office_path 1 IoCs

Processes:

jsc.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jsc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

outlook_win_path 1 IoCs

Processes:

jsc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

C:\Users\Admin\AppData\Local\Temp\vsl particulars packing list.exe
"C:\Users\Admin\AppData\Local\Temp\vsl particulars packing list.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1176

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1364

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1176 -s 624
2⤵
PID:2648

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1176-0-0x000007FEF58F3000-0x000007FEF58F4000-memory.dmp

Filesize
4KB

Download
memory/1176-1-0x0000000001120000-0x0000000001128000-memory.dmp

Filesize
32KB

Download
memory/1176-2-0x00000000004C0000-0x000000000053A000-memory.dmp

Filesize
488KB

Download
memory/1176-3-0x000007FEF58F0000-0x000007FEF62DC000-memory.dmp

Filesize
9.9MB

Download
memory/1176-21-0x000007FEF58F0000-0x000007FEF62DC000-memory.dmp

Filesize
9.9MB

Download
memory/1176-20-0x000007FEF58F3000-0x000007FEF58F4000-memory.dmp

Filesize
4KB

Download
memory/1364-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1364-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1364-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1364-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1364-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1364-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1364-18-0x000000007475E000-0x000000007475F000-memory.dmp

Filesize
4KB

Download
memory/1364-19-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download
memory/1364-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1364-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1364-22-0x000000007475E000-0x000000007475F000-memory.dmp

Filesize
4KB

Download
memory/1364-23-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download