snakekeylogger | ecd24005f85411e22ced38e6c7c8cc23395295a3ccf607299dc82058a5125e07

General

Target

RFQ 94844.exe
Size

588KB
MD5

989422f879750f025f62576fc6bb3839
SHA1

a7d2a8943b026fd82771b1ea982c1374b8075880
SHA256

ecd24005f85411e22ced38e6c7c8cc23395295a3ccf607299dc82058a5125e07
SHA512

020570a38d129e4bd55d55cf0fda9871a193a7aeba0d84eefa316ecb7845bc613dbbe56971facdf92f46c5a71b0b19a12a30ddc535072facf3c23397dd65cb6a
SSDEEP

12288:q1PYPfY7bPiZMTjyC4CHOsH+yB7Li/EWxW0HBC4ZWtkwbYrp:iPYPgnPiuHLFH+yBfiMGHBz0uuY1

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
smtp.mtbooks.com.mx
Port:
587
Username:
[email protected]
Password:
^QGUcHQjx3

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral2/memory/3544-142-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral2/memory/3544-147-0x0000000005340000-0x0000000005350000-memory.dmp	family_snakekeylogger
behavioral2/memory/3544-150-0x0000000005340000-0x0000000005350000-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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ 94844.exe
Key opened	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ 94844.exe
Key opened	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ 94844.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.

flow	ioc
58	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3216 set thread context of 3544	3216	RFQ 94844.exe	102

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3216	RFQ 94844.exe
3216	RFQ 94844.exe
3544	RFQ 94844.exe
3544	RFQ 94844.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3544	RFQ 94844.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3216	RFQ 94844.exe
Token: SeDebugPrivilege	3544	RFQ 94844.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3216 wrote to memory of 3544	3216	RFQ 94844.exe	102
PID 3216 wrote to memory of 3544	3216	RFQ 94844.exe	102
PID 3216 wrote to memory of 3544	3216	RFQ 94844.exe	102
PID 3216 wrote to memory of 3544	3216	RFQ 94844.exe	102
PID 3216 wrote to memory of 3544	3216	RFQ 94844.exe	102
PID 3216 wrote to memory of 3544	3216	RFQ 94844.exe	102
PID 3216 wrote to memory of 3544	3216	RFQ 94844.exe	102
PID 3216 wrote to memory of 3544	3216	RFQ 94844.exe	102

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ 94844.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ 94844.exe

C:\Users\Admin\AppData\Local\Temp\RFQ 94844.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ 94844.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3216
- C:\Users\Admin\AppData\Local\Temp\RFQ 94844.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ 94844.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3544

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

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\RFQ 94844.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/3216-141-0x0000000009AB0000-0x0000000009B4C000-memory.dmp

Filesize
624KB

Download
memory/3216-134-0x0000000000CD0000-0x0000000000D6A000-memory.dmp

Filesize
616KB

Download
memory/3216-136-0x00000000057A0000-0x0000000005832000-memory.dmp

Filesize
584KB

Download
memory/3216-137-0x0000000005720000-0x0000000005730000-memory.dmp

Filesize
64KB

Download
memory/3216-138-0x0000000005770000-0x000000000577A000-memory.dmp

Filesize
40KB

Download
memory/3216-139-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/3216-135-0x0000000005D50000-0x00000000062F4000-memory.dmp

Filesize
5.6MB

Download
memory/3216-140-0x0000000005720000-0x0000000005730000-memory.dmp

Filesize
64KB

Download
memory/3216-145-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/3216-133-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/3544-146-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/3544-142-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3544-147-0x0000000005340000-0x0000000005350000-memory.dmp

Filesize
64KB

Download
memory/3544-148-0x0000000006500000-0x00000000066C2000-memory.dmp

Filesize
1.8MB

Download
memory/3544-149-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/3544-150-0x0000000005340000-0x0000000005350000-memory.dmp

Filesize
64KB

Download

Analysis

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