snakekeylogger | 632620cdf3a7ee4b90aff913141707c1bd035d0ffbf76e49c3e4151824fa5388

General

Target

08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
Size

539KB
MD5

b1a8dfff51ee717d53c7f90f0840fe9b
SHA1

33ca9d90da7c348233e4eaa565c5b9b91017709d
SHA256

008af3e6e04d2340b385793e03af2550e0e18ce1531d635dff30e69d3e820dbf
SHA512

fbf81cba922f55946d5fc7f7694a9095cef51976eb7780b851f1c2fd34b7a366da7f527f73343b455f15e5d5f9a37cc4b1c2dfab0f43cd72960dfc39feab90e6
SSDEEP

12288:mdJF9KCvoctGgxTkn3MvWroS5RtS0yUn1vhU2Zq6s9sdX:mdJF4CvoctGITknAWZ1ULtGX

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.megakarsa.com
Port:
587
Username:
[email protected]
Password:
f1n4nc3m3g4k4Rs4
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3876-12-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral2/memory/3876-17-0x00000000053D0000-0x00000000053E0000-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:

08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.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

46 checkip.dyndns.org

flow	ioc
46	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe

description	pid	process	target process
PID 4464 set thread context of 3876	4464	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe

pid process

3876 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
3876 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe

description pid process

Token: SeDebugPrivilege 3876 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe

pid	process
3876	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
3876	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe

description	pid	process
Token: SeDebugPrivilege	3876	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe

description	pid	process	target process
PID 4464 wrote to memory of 3876	4464	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
PID 4464 wrote to memory of 3876	4464	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
PID 4464 wrote to memory of 3876	4464	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
PID 4464 wrote to memory of 3876	4464	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
PID 4464 wrote to memory of 3876	4464	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
PID 4464 wrote to memory of 3876	4464	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
PID 4464 wrote to memory of 3876	4464	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
PID 4464 wrote to memory of 3876	4464	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe

outlook_office_path 1 IoCs

Processes:

08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe

outlook_win_path 1 IoCs

Processes:

08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe

C:\Users\Admin\AppData\Local\Temp\08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4464

C:\Users\Admin\AppData\Local\Temp\08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/3876-12-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3876-21-0x0000000006760000-0x0000000006922000-memory.dmp

Filesize
1.8MB

Download
memory/3876-20-0x0000000006540000-0x0000000006590000-memory.dmp

Filesize
320KB

Download
memory/3876-19-0x00000000053D0000-0x00000000053E0000-memory.dmp

Filesize
64KB

Download
memory/3876-18-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/3876-17-0x00000000053D0000-0x00000000053E0000-memory.dmp

Filesize
64KB

Download
memory/3876-15-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/4464-10-0x00000000068F0000-0x0000000006950000-memory.dmp

Filesize
384KB

Download
memory/4464-9-0x0000000005380000-0x0000000005390000-memory.dmp

Filesize
64KB

Download
memory/4464-1-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/4464-11-0x0000000008F40000-0x0000000008FDC000-memory.dmp

Filesize
624KB

Download
memory/4464-8-0x0000000005060000-0x0000000005070000-memory.dmp

Filesize
64KB

Download
memory/4464-7-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/4464-6-0x0000000005170000-0x0000000005186000-memory.dmp

Filesize
88KB

Download
memory/4464-16-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/4464-5-0x0000000004DD0000-0x0000000004DDA000-memory.dmp

Filesize
40KB

Download
memory/4464-4-0x0000000005060000-0x0000000005070000-memory.dmp

Filesize
64KB

Download
memory/4464-3-0x0000000004DF0000-0x0000000004E82000-memory.dmp

Filesize
584KB

Download
memory/4464-2-0x00000000053A0000-0x0000000005944000-memory.dmp

Filesize
5.6MB

Download
memory/4464-0-0x00000000004C0000-0x000000000054C000-memory.dmp

Filesize
560KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads