snakekeylogger | afd392239889b1539cf39e18fa7f25a7a0fa8fa61fcd93a60ecc807b7716b13f

General

Target

00938374.exe
Size

809KB
MD5

26f34dcbb5e144fb1d55e2b7ae9e6eb9
SHA1

85b5039d320669ceb664362b02451e2cc0d2a891
SHA256

c76ab20e58193b2d01eab39426138c5e7fea3e7260523f48546aebaebe703239
SHA512

34a173e2ea290f54e08716939065f5a4affb20f7406aa1c88aa6a97dcf02964d7eacd0e829ff18ce319a6debec99b479e6dc80542df0d92420624581c2e892f1
SSDEEP

12288:3/RA/TCnwdvzvGRXx+5gKB4a/0dB5sWHNsjs/:3/RG8w9iRh+D8dB5sW

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
eV*hBZc1
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4072-140-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	00938374.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	00938374.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	00938374.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
34	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4580 set thread context of 4072	4580	00938374.exe	91

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4580	00938374.exe
4580	00938374.exe
4580	00938374.exe
4580	00938374.exe
4072	00938374.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4580	00938374.exe
Token: SeDebugPrivilege	4072	00938374.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4580 wrote to memory of 524	4580	00938374.exe	90
PID 4580 wrote to memory of 524	4580	00938374.exe	90
PID 4580 wrote to memory of 524	4580	00938374.exe	90
PID 4580 wrote to memory of 4072	4580	00938374.exe	91
PID 4580 wrote to memory of 4072	4580	00938374.exe	91
PID 4580 wrote to memory of 4072	4580	00938374.exe	91
PID 4580 wrote to memory of 4072	4580	00938374.exe	91
PID 4580 wrote to memory of 4072	4580	00938374.exe	91
PID 4580 wrote to memory of 4072	4580	00938374.exe	91
PID 4580 wrote to memory of 4072	4580	00938374.exe	91
PID 4580 wrote to memory of 4072	4580	00938374.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	00938374.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	00938374.exe

C:\Users\Admin\AppData\Local\Temp\00938374.exe
"C:\Users\Admin\AppData\Local\Temp\00938374.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4580
- C:\Users\Admin\AppData\Local\Temp\00938374.exe
  "C:\Users\Admin\AppData\Local\Temp\00938374.exe"
  2⤵
  PID:524
- C:\Users\Admin\AppData\Local\Temp\00938374.exe
  "C:\Users\Admin\AppData\Local\Temp\00938374.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4072

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

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\00938374.exe.log

Filesize
1KB

MD5
e08f822522c617a40840c62e4b0fb45e

SHA1
ae516dca4da5234be6676d3f234c19ec55725be7

SHA256
bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

SHA512
894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

Download Submit
memory/524-138-0x0000000000000000-mapping.dmp

Download
memory/4072-139-0x0000000000000000-mapping.dmp

Download
memory/4072-140-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4072-142-0x0000000006520000-0x00000000066E2000-memory.dmp

Filesize
1.8MB

Download
memory/4580-132-0x00000000004B0000-0x0000000000580000-memory.dmp

Filesize
832KB

Download
memory/4580-133-0x00000000054E0000-0x0000000005A84000-memory.dmp

Filesize
5.6MB

Download
memory/4580-134-0x0000000004F30000-0x0000000004FC2000-memory.dmp

Filesize
584KB

Download
memory/4580-135-0x0000000004FD0000-0x0000000004FDA000-memory.dmp

Filesize
40KB

Download
memory/4580-136-0x000000000B800000-0x000000000B89C000-memory.dmp

Filesize
624KB

Download
memory/4580-137-0x000000000BA10000-0x000000000BA76000-memory.dmp

Filesize
408KB

Download

Analysis

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