snakekeylogger | 2394c4fb7bea229f3842aeb5d70bd61a42b2d93a8ed2054f35dd497370602e43

General

Target

9119a914907a0e257b420f2b500a85ab.exe
Size

480KB
MD5

9119a914907a0e257b420f2b500a85ab
SHA1

20a24a50a06886d44faced1a80c51e5b477fc8bd
SHA256

2394c4fb7bea229f3842aeb5d70bd61a42b2d93a8ed2054f35dd497370602e43
SHA512

8c0ea5b815df947607f1b0749cf1eb9b079aeec924cb6914f900fcc6219ba4c06baf05902099f469de04536e92dbed87d21e2f646ccd27ed49a954d988567762

Score

10^/10

snakekeylogger keylogger stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
pro40.emailserver.vn
Port:
587
Username:
[email protected]
Password:
Vexa@2013

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/3904-4-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral2/memory/3904-5-0x000000000046555E-mapping.dmp	family_snakekeylogger

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

9 checkip.dyndns.org
12 freegeoip.app
13 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

9119a914907a0e257b420f2b500a85ab.exe

description pid process target process

PID 832 set thread context of 3904 832 9119a914907a0e257b420f2b500a85ab.exe MSBuild.exe
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

3740 schtasks.exe
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

MSBuild.exe

pid process

3904 MSBuild.exe
3904 MSBuild.exe
3904 MSBuild.exe
3904 MSBuild.exe
3904 MSBuild.exe
3904 MSBuild.exe
3904 MSBuild.exe
3904 MSBuild.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

9119a914907a0e257b420f2b500a85ab.exe

pid process

832 9119a914907a0e257b420f2b500a85ab.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 3904 MSBuild.exe

flow	ioc
9	checkip.dyndns.org
12	freegeoip.app
13	freegeoip.app

description	pid	process	target process
PID 832 set thread context of 3904	832	9119a914907a0e257b420f2b500a85ab.exe	MSBuild.exe

pid	process
3740	schtasks.exe

pid	process
3904	MSBuild.exe
3904	MSBuild.exe
3904	MSBuild.exe
3904	MSBuild.exe
3904	MSBuild.exe
3904	MSBuild.exe
3904	MSBuild.exe
3904	MSBuild.exe

pid	process
832	9119a914907a0e257b420f2b500a85ab.exe

description	pid	process
Token: SeDebugPrivilege	3904	MSBuild.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

9119a914907a0e257b420f2b500a85ab.execmd.exe

description	pid	process	target process
PID 832 wrote to memory of 2880	832	9119a914907a0e257b420f2b500a85ab.exe	cmd.exe
PID 832 wrote to memory of 2880	832	9119a914907a0e257b420f2b500a85ab.exe	cmd.exe
PID 832 wrote to memory of 2880	832	9119a914907a0e257b420f2b500a85ab.exe	cmd.exe
PID 832 wrote to memory of 3904	832	9119a914907a0e257b420f2b500a85ab.exe	MSBuild.exe
PID 832 wrote to memory of 3904	832	9119a914907a0e257b420f2b500a85ab.exe	MSBuild.exe
PID 832 wrote to memory of 3904	832	9119a914907a0e257b420f2b500a85ab.exe	MSBuild.exe
PID 2880 wrote to memory of 3740	2880	cmd.exe	schtasks.exe
PID 2880 wrote to memory of 3740	2880	cmd.exe	schtasks.exe
PID 2880 wrote to memory of 3740	2880	cmd.exe	schtasks.exe
PID 832 wrote to memory of 3904	832	9119a914907a0e257b420f2b500a85ab.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\9119a914907a0e257b420f2b500a85ab.exe
"C:\Users\Admin\AppData\Local\Temp\9119a914907a0e257b420f2b500a85ab.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:832

C:\Windows\SysWOW64\cmd.exe
cmd /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\64a93f59b5894fd5b0d60f9f52db3822.xml"
2⤵
- Suspicious use of WriteProcessMemory
PID:2880

C:\Windows\SysWOW64\schtasks.exe
schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\64a93f59b5894fd5b0d60f9f52db3822.xml"
3⤵
- Creates scheduled task(s)
PID:3740

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Users\Admin\AppData\Local\Temp\9119a914907a0e257b420f2b500a85ab.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3904

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\64a93f59b5894fd5b0d60f9f52db3822.xml
MD5
a36564afc14b3eb0849c01a3afdb9944

SHA1
4dcee9fae3fde4e46b08529bc0ba067150686f07

SHA256
9d4342f763c5d62a06f69aa6fdcb1caa376ff2f2c0972f36b487f73b4d221996

SHA512
782082aa36ae056734e90fc079c813dfef59420571a1b70cde4cf15eb6c870f85b2bfe0748ef4db9df3d010c08671bff744d78178ba75bf2ba02b665f044ae89

Download Submit
memory/2880-2-0x0000000000000000-mapping.dmp

Download
memory/3740-3-0x0000000000000000-mapping.dmp

Download
memory/3904-4-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/3904-5-0x000000000046555E-mapping.dmp

Download
memory/3904-8-0x0000000073A80000-0x000000007416E000-memory.dmp

Filesize
6.9MB

Download
memory/3904-11-0x0000000004F00000-0x0000000004F01000-memory.dmp

Filesize
4KB

Download
memory/3904-12-0x0000000005520000-0x0000000005521000-memory.dmp

Filesize
4KB

Download
memory/3904-13-0x0000000006170000-0x0000000006171000-memory.dmp

Filesize
4KB

Download
memory/3904-14-0x00000000063E0000-0x00000000063E1000-memory.dmp

Filesize
4KB

Download
memory/3904-15-0x0000000006140000-0x0000000006141000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads