snakekeylogger | 2f13f6e9fee8ddc78cf064f255b4885dbf51f69b029648e21a2f24973467fc19

Analysis

max time kernel
126s
max time network
128s
platform
windows7_x64
resource
win7v20210410
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 3 IoCs

Processes:

resource	yara_rule
behavioral7/memory/1084-66-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral7/memory/1084-67-0x000000000046459E-mapping.dmp	family_snakekeylogger
behavioral7/memory/1084-68-0x0000000000400000-0x000000000046A000-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
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

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

Processes:

ORIGINAL DOCUMENTS.bat.exe

description pid process target process

PID 1732 set thread context of 1084 1732 ORIGINAL DOCUMENTS.bat.exe ORIGINAL DOCUMENTS.bat.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1276 1084 WerFault.exe ORIGINAL DOCUMENTS.bat.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

ORIGINAL DOCUMENTS.bat.exeWerFault.exe

pid process

1084 ORIGINAL DOCUMENTS.bat.exe
1276 WerFault.exe
1276 WerFault.exe
1276 WerFault.exe
1276 WerFault.exe
1276 WerFault.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ORIGINAL DOCUMENTS.bat.exeWerFault.exe

description pid process

Token: SeDebugPrivilege 1084 ORIGINAL DOCUMENTS.bat.exe
Token: SeDebugPrivilege 1276 WerFault.exe

flow	ioc
6	checkip.dyndns.org

description	pid	process	target process
PID 1732 set thread context of 1084	1732	ORIGINAL DOCUMENTS.bat.exe	ORIGINAL DOCUMENTS.bat.exe

pid	pid_target	process	target process
1276	1084	WerFault.exe	ORIGINAL DOCUMENTS.bat.exe

pid	process
1084	ORIGINAL DOCUMENTS.bat.exe
1276	WerFault.exe
1276	WerFault.exe
1276	WerFault.exe
1276	WerFault.exe
1276	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1084	ORIGINAL DOCUMENTS.bat.exe
Token: SeDebugPrivilege	1276	WerFault.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

ORIGINAL DOCUMENTS.bat.exeORIGINAL DOCUMENTS.bat.exe

description	pid	process	target process
PID 1732 wrote to memory of 1084	1732	ORIGINAL DOCUMENTS.bat.exe	ORIGINAL DOCUMENTS.bat.exe
PID 1732 wrote to memory of 1084	1732	ORIGINAL DOCUMENTS.bat.exe	ORIGINAL DOCUMENTS.bat.exe
PID 1732 wrote to memory of 1084	1732	ORIGINAL DOCUMENTS.bat.exe	ORIGINAL DOCUMENTS.bat.exe
PID 1732 wrote to memory of 1084	1732	ORIGINAL DOCUMENTS.bat.exe	ORIGINAL DOCUMENTS.bat.exe
PID 1732 wrote to memory of 1084	1732	ORIGINAL DOCUMENTS.bat.exe	ORIGINAL DOCUMENTS.bat.exe
PID 1732 wrote to memory of 1084	1732	ORIGINAL DOCUMENTS.bat.exe	ORIGINAL DOCUMENTS.bat.exe
PID 1732 wrote to memory of 1084	1732	ORIGINAL DOCUMENTS.bat.exe	ORIGINAL DOCUMENTS.bat.exe
PID 1732 wrote to memory of 1084	1732	ORIGINAL DOCUMENTS.bat.exe	ORIGINAL DOCUMENTS.bat.exe
PID 1732 wrote to memory of 1084	1732	ORIGINAL DOCUMENTS.bat.exe	ORIGINAL DOCUMENTS.bat.exe
PID 1084 wrote to memory of 1276	1084	ORIGINAL DOCUMENTS.bat.exe	WerFault.exe
PID 1084 wrote to memory of 1276	1084	ORIGINAL DOCUMENTS.bat.exe	WerFault.exe
PID 1084 wrote to memory of 1276	1084	ORIGINAL DOCUMENTS.bat.exe	WerFault.exe
PID 1084 wrote to memory of 1276	1084	ORIGINAL DOCUMENTS.bat.exe	WerFault.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:1732

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
- Suspicious use of WriteProcessMemory
PID:1084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1084 -s 1104
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1276

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

memory/1084-66-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1084-67-0x000000000046459E-mapping.dmp

Download
memory/1084-68-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1084-70-0x0000000004CC0000-0x0000000004CC1000-memory.dmp

Filesize
4KB

Download
memory/1276-71-0x0000000000000000-mapping.dmp

Download
memory/1276-72-0x0000000000D80000-0x0000000000D81000-memory.dmp

Filesize
4KB

Download
memory/1732-60-0x0000000000E70000-0x0000000000E71000-memory.dmp

Filesize
4KB

Download
memory/1732-62-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1732-63-0x00000000003B0000-0x00000000003C1000-memory.dmp

Filesize
68KB

Download
memory/1732-64-0x0000000005090000-0x00000000050F6000-memory.dmp

Filesize
408KB

Download
memory/1732-65-0x0000000008DF0000-0x0000000008E56000-memory.dmp

Filesize
408KB

Download