snakekeylogger | 8fdfe5bcc7f4ae9810621398a1a46fcf84e93c71c2c841b3c2d8463e9627982f

General

Target

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

610KB
MD5

5636aab70daf85f7578b60fb7e504c6b
SHA1

bb65bdf417bce4de922db81a6e99d509a1990236
SHA256

8fdfe5bcc7f4ae9810621398a1a46fcf84e93c71c2c841b3c2d8463e9627982f
SHA512

e7ed6698c7415c962bcb0c3e1f677e438a8e16c4794cc9cd412a8d6f2631c6324c18020ce23db473f281e45f5f9143e3d13cf8612f2ddbf8e14af3316dbe6a7f
SSDEEP

12288:ecX9Kn46dkpV8SFZL+B0j6SHPn2WhqoK9:ectY4x8SFIB45/2Tb

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/4208-12-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral2/memory/4208-17-0x00000000055A0000-0x00000000055B0000-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-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\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

61 checkip.dyndns.org

flow	ioc
61	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

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

description	pid	process	target process
PID 2608 set thread context of 4208	2608	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

4208 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
4208 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 4208 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe

pid	process
4208	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
4208	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe

description	pid	process
Token: SeDebugPrivilege	4208	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 2608 wrote to memory of 4208	2608	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
PID 2608 wrote to memory of 4208	2608	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
PID 2608 wrote to memory of 4208	2608	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
PID 2608 wrote to memory of 4208	2608	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
PID 2608 wrote to memory of 4208	2608	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
PID 2608 wrote to memory of 4208	2608	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
PID 2608 wrote to memory of 4208	2608	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe	08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
PID 2608 wrote to memory of 4208	2608	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-1-5-21-919254492-3979293997-764407192-1000\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-1-5-21-919254492-3979293997-764407192-1000\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:2608

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:4208

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

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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/2608-10-0x0000000005500000-0x0000000005510000-memory.dmp

Filesize
64KB

Download
memory/2608-16-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

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memory/2608-3-0x0000000005330000-0x00000000053C2000-memory.dmp

Filesize
584KB

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memory/2608-4-0x0000000005510000-0x0000000005520000-memory.dmp

Filesize
64KB

Download
memory/2608-5-0x00000000054F0000-0x00000000054FA000-memory.dmp

Filesize
40KB

Download
memory/2608-6-0x00000000055C0000-0x000000000565C000-memory.dmp

Filesize
624KB

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memory/2608-7-0x0000000005660000-0x000000000567C000-memory.dmp

Filesize
112KB

Download
memory/2608-11-0x0000000008760000-0x00000000087C0000-memory.dmp

Filesize
384KB

Download
memory/2608-9-0x0000000005510000-0x0000000005520000-memory.dmp

Filesize
64KB

Download
memory/2608-2-0x00000000057F0000-0x0000000005D94000-memory.dmp

Filesize
5.6MB

Download
memory/2608-8-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/2608-0-0x00000000008F0000-0x000000000098E000-memory.dmp

Filesize
632KB

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memory/2608-1-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/4208-19-0x00000000055A0000-0x00000000055B0000-memory.dmp

Filesize
64KB

Download
memory/4208-15-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/4208-17-0x00000000055A0000-0x00000000055B0000-memory.dmp

Filesize
64KB

Download
memory/4208-18-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/4208-12-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4208-20-0x00000000064B0000-0x0000000006500000-memory.dmp

Filesize
320KB

Download
memory/4208-21-0x00000000066D0000-0x0000000006892000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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