snakekeylogger | 2f13f6e9fee8ddc78cf064f255b4885dbf51f69b029648e21a2f24973467fc19

Analysis

max time kernel
57s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
25-07-2021 23:28

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General

Target

23-07-2021/ORIGINAL DOCUMENTS.bat.exe
Size

1011KB
MD5

151fc9fe041379d1ee06e28f68a44edc
SHA1

07b4bca851f1f9481abc2c736533aa1396595747
SHA256

9ef2c1ebeede51785ddb4f88b4b8ad0eeed5f369e1225dbdde6b9e6d1f8cb1f3
SHA512

c1b9cca24b1f0ef04a121a4086181a4f3d93ac701ad4c79850bb1055c7727a0ef179b6b77851028765ba5422e1f6a84810441a945129ec6b25cb217f69c307e0

Score

10^/10

snakekeylogger keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
kinghybrid@myexodus1.com
Password:
$ASmZLn8

Signatures

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

Snake Keylogger Payload 2 IoCs

Processes:

resource	yara_rule
behavioral8/memory/1080-125-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral8/memory/1080-126-0x000000000046459E-mapping.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
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

15 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

ORIGINAL DOCUMENTS.bat.exe

description pid process target process

PID 3660 set thread context of 1080 3660 ORIGINAL DOCUMENTS.bat.exe ORIGINAL DOCUMENTS.bat.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3948 1080 WerFault.exe ORIGINAL DOCUMENTS.bat.exe

flow	ioc
15	checkip.dyndns.org

description	pid	process	target process
PID 3660 set thread context of 1080	3660	ORIGINAL DOCUMENTS.bat.exe	ORIGINAL DOCUMENTS.bat.exe

pid	pid_target	process	target process
3948	1080	WerFault.exe	ORIGINAL DOCUMENTS.bat.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

ORIGINAL DOCUMENTS.bat.exeWerFault.exe

pid	process
1080	ORIGINAL DOCUMENTS.bat.exe
3948	WerFault.exe
3948	WerFault.exe
3948	WerFault.exe
3948	WerFault.exe
3948	WerFault.exe
3948	WerFault.exe
3948	WerFault.exe
3948	WerFault.exe
3948	WerFault.exe
3948	WerFault.exe
3948	WerFault.exe
3948	WerFault.exe
3948	WerFault.exe
3948	WerFault.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

ORIGINAL DOCUMENTS.bat.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	1080	ORIGINAL DOCUMENTS.bat.exe
Token: SeRestorePrivilege	3948	WerFault.exe
Token: SeBackupPrivilege	3948	WerFault.exe
Token: SeDebugPrivilege	3948	WerFault.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

ORIGINAL DOCUMENTS.bat.exe

description	pid	process	target process
PID 3660 wrote to memory of 1080	3660	ORIGINAL DOCUMENTS.bat.exe	ORIGINAL DOCUMENTS.bat.exe
PID 3660 wrote to memory of 1080	3660	ORIGINAL DOCUMENTS.bat.exe	ORIGINAL DOCUMENTS.bat.exe
PID 3660 wrote to memory of 1080	3660	ORIGINAL DOCUMENTS.bat.exe	ORIGINAL DOCUMENTS.bat.exe
PID 3660 wrote to memory of 1080	3660	ORIGINAL DOCUMENTS.bat.exe	ORIGINAL DOCUMENTS.bat.exe
PID 3660 wrote to memory of 1080	3660	ORIGINAL DOCUMENTS.bat.exe	ORIGINAL DOCUMENTS.bat.exe
PID 3660 wrote to memory of 1080	3660	ORIGINAL DOCUMENTS.bat.exe	ORIGINAL DOCUMENTS.bat.exe
PID 3660 wrote to memory of 1080	3660	ORIGINAL DOCUMENTS.bat.exe	ORIGINAL DOCUMENTS.bat.exe
PID 3660 wrote to memory of 1080	3660	ORIGINAL DOCUMENTS.bat.exe	ORIGINAL DOCUMENTS.bat.exe

C:\Users\Admin\AppData\Local\Temp\23-07-2021\ORIGINAL DOCUMENTS.bat.exe
"C:\Users\Admin\AppData\Local\Temp\23-07-2021\ORIGINAL DOCUMENTS.bat.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3660

C:\Users\Admin\AppData\Local\Temp\23-07-2021\ORIGINAL DOCUMENTS.bat.exe
"C:\Users\Admin\AppData\Local\Temp\23-07-2021\ORIGINAL DOCUMENTS.bat.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1080 -s 1448
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3948

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ORIGINAL DOCUMENTS.bat.exe.log
MD5
90acfd72f14a512712b1a7380c0faf60

SHA1
40ba4accb8faa75887e84fb8e38d598dc8cf0f12

SHA256
20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

SHA512
29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

Download Submit
memory/1080-125-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1080-133-0x00000000060D0000-0x00000000060D1000-memory.dmp

Filesize
4KB

Download
memory/1080-132-0x0000000004DF0000-0x0000000004DF1000-memory.dmp

Filesize
4KB

Download
memory/1080-126-0x000000000046459E-mapping.dmp

Download
memory/3660-121-0x0000000004A70000-0x0000000004F6E000-memory.dmp

Filesize
5.0MB

Download
memory/3660-114-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/3660-122-0x0000000002410000-0x0000000002421000-memory.dmp

Filesize
68KB

Download
memory/3660-123-0x000000000C600000-0x000000000C666000-memory.dmp

Filesize
408KB

Download
memory/3660-124-0x000000000C670000-0x000000000C6D6000-memory.dmp

Filesize
408KB

Download
memory/3660-120-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

Filesize
4KB

Download
memory/3660-119-0x00000000049B0000-0x00000000049B1000-memory.dmp

Filesize
4KB

Download
memory/3660-118-0x0000000004B10000-0x0000000004B11000-memory.dmp

Filesize
4KB

Download
memory/3660-117-0x0000000004F70000-0x0000000004F71000-memory.dmp

Filesize
4KB

Download
memory/3660-116-0x00000000049D0000-0x00000000049D1000-memory.dmp

Filesize
4KB

Download