snakekeylogger | fdba1fafc7558aab4e33e2a5c4bfe97fb43fdceb89795e9691275c948826da13

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
03-07-2024 23:37

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General

Target

0009876_xls.exe
Size

2.7MB
MD5

3631172fd1aef752e29af953a0f41c20
SHA1

d9c4e71b15ebd4dd7e61e0a2f5b8a4f7467cf7e6
SHA256

3bbc0ec07f8cbb9f26ed2262eaae8eff6bc14a220f6916f2a72b3be2d5e82ad5
SHA512

8c2fdf7550401337c2712d8426032dc8e1159f77c67037e391d375827ca82f58d22d1e4cea33f5df0cec6f7f318afc4032408c6cb030c6764d4bf4c96437bac5
SSDEEP

49152:5i20ajbQzlq5O+l4QOnn8jeX+l8uvlhfNf5lWLPNyeL9+hw/USGy7Xk/51HwgG9v:M60zlC6mq98MeeDQ1a7

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot1335107831:AAGZPoo67JukV78LJI16BeQqy3whx-zI59g/sendMessage?chat_id=1294593001

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger
Beds Protector Packer 1 IoCs
Detects Beds Protector packer used to load .NET malware.

Processes:

resource yara_rule

behavioral1/memory/1844-3-0x0000000005220000-0x00000000054C2000-memory.dmp beds_protector
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

resource	yara_rule
behavioral1/memory/1844-3-0x0000000005220000-0x00000000054C2000-memory.dmp	beds_protector

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

0009876_xls.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0009876_xls.exe
Key opened	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0009876_xls.exe
Key opened	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0009876_xls.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

2 checkip.dyndns.org
4 freegeoip.app
5 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

0009876_xls.exe

description pid process target process

PID 1844 set thread context of 2940 1844 0009876_xls.exe 0009876_xls.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3032 2940 WerFault.exe 0009876_xls.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

0009876_xls.exe

pid process

2940 0009876_xls.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

0009876_xls.exe

description pid process

Token: SeDebugPrivilege 2940 0009876_xls.exe

flow	ioc
2	checkip.dyndns.org
4	freegeoip.app
5	freegeoip.app

description	pid	process	target process
PID 1844 set thread context of 2940	1844	0009876_xls.exe	0009876_xls.exe

pid	pid_target	process	target process
3032	2940	WerFault.exe	0009876_xls.exe

pid	process
2940	0009876_xls.exe

description	pid	process
Token: SeDebugPrivilege	2940	0009876_xls.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

0009876_xls.exe0009876_xls.exe

description	pid	process	target process
PID 1844 wrote to memory of 2940	1844	0009876_xls.exe	0009876_xls.exe
PID 1844 wrote to memory of 2940	1844	0009876_xls.exe	0009876_xls.exe
PID 1844 wrote to memory of 2940	1844	0009876_xls.exe	0009876_xls.exe
PID 1844 wrote to memory of 2940	1844	0009876_xls.exe	0009876_xls.exe
PID 1844 wrote to memory of 2940	1844	0009876_xls.exe	0009876_xls.exe
PID 1844 wrote to memory of 2940	1844	0009876_xls.exe	0009876_xls.exe
PID 1844 wrote to memory of 2940	1844	0009876_xls.exe	0009876_xls.exe
PID 1844 wrote to memory of 2940	1844	0009876_xls.exe	0009876_xls.exe
PID 1844 wrote to memory of 2940	1844	0009876_xls.exe	0009876_xls.exe
PID 2940 wrote to memory of 3032	2940	0009876_xls.exe	WerFault.exe
PID 2940 wrote to memory of 3032	2940	0009876_xls.exe	WerFault.exe
PID 2940 wrote to memory of 3032	2940	0009876_xls.exe	WerFault.exe
PID 2940 wrote to memory of 3032	2940	0009876_xls.exe	WerFault.exe

outlook_office_path 1 IoCs

Processes:

0009876_xls.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 0009876_xls.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0009876_xls.exe

outlook_win_path 1 IoCs

Processes:

0009876_xls.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0009876_xls.exe

C:\Users\Admin\AppData\Local\Temp\0009876_xls.exe
"C:\Users\Admin\AppData\Local\Temp\0009876_xls.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1844

C:\Users\Admin\AppData\Local\Temp\0009876_xls.exe
"C:\Users\Admin\AppData\Local\Temp\0009876_xls.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2940 -s 1000
3⤵
- Program crash
PID:3032

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/1844-0-0x0000000073FAE000-0x0000000073FAF000-memory.dmp

Filesize
4KB

Download
memory/1844-1-0x00000000000C0000-0x000000000037C000-memory.dmp

Filesize
2.7MB

Download
memory/1844-2-0x0000000073FA0000-0x000000007468E000-memory.dmp

Filesize
6.9MB

Download
memory/1844-3-0x0000000005220000-0x00000000054C2000-memory.dmp

Filesize
2.6MB

Download
memory/1844-4-0x0000000000550000-0x0000000000566000-memory.dmp

Filesize
88KB

Download
memory/1844-17-0x0000000073FA0000-0x000000007468E000-memory.dmp

Filesize
6.9MB

Download
memory/2940-9-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2940-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2940-12-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2940-8-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2940-7-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2940-16-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2940-18-0x0000000073FA0000-0x000000007468E000-memory.dmp

Filesize
6.9MB

Download
memory/2940-6-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2940-14-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2940-19-0x0000000073FA0000-0x000000007468E000-memory.dmp

Filesize
6.9MB

Download
memory/2940-20-0x0000000073FA0000-0x000000007468E000-memory.dmp

Filesize
6.9MB

Download