snakekeylogger | c2e6371e1b08cffdc14f08b5dfcef6b9f4202fbaedf69dd4c6ba011c57bb8c93

General

Target

1de9c4ca2b751b97c28e73c84217507d.exe
Size

447KB
MD5

1de9c4ca2b751b97c28e73c84217507d
SHA1

f3fbdf10dee07eca9ccb4a4a19362aa7ec032c9f
SHA256

c2e6371e1b08cffdc14f08b5dfcef6b9f4202fbaedf69dd4c6ba011c57bb8c93
SHA512

0c63668a8ce002fbe73353e17eda2c16af7949557cabfd722a92e17a8b8b4eb5cbb9d711ed42ba07f1b8e8226494cc94999dca7dc1b7856630cb33cf118846f0

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/3856-3-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral2/memory/3856-5-0x000000000046555E-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

16 freegeoip.app
11 checkip.dyndns.org
15 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

1de9c4ca2b751b97c28e73c84217507d.exe

description pid process target process

PID 1924 set thread context of 3856 1924 1de9c4ca2b751b97c28e73c84217507d.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

3988 schtasks.exe
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

MSBuild.exe

pid process

3856 MSBuild.exe
3856 MSBuild.exe
3856 MSBuild.exe
3856 MSBuild.exe
3856 MSBuild.exe
3856 MSBuild.exe
3856 MSBuild.exe
3856 MSBuild.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

1de9c4ca2b751b97c28e73c84217507d.exe

pid process

1924 1de9c4ca2b751b97c28e73c84217507d.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 3856 MSBuild.exe

flow	ioc
16	freegeoip.app
11	checkip.dyndns.org
15	freegeoip.app

description	pid	process	target process
PID 1924 set thread context of 3856	1924	1de9c4ca2b751b97c28e73c84217507d.exe	MSBuild.exe

pid	process
3988	schtasks.exe

pid	process
3856	MSBuild.exe
3856	MSBuild.exe
3856	MSBuild.exe
3856	MSBuild.exe
3856	MSBuild.exe
3856	MSBuild.exe
3856	MSBuild.exe
3856	MSBuild.exe

pid	process
1924	1de9c4ca2b751b97c28e73c84217507d.exe

description	pid	process
Token: SeDebugPrivilege	3856	MSBuild.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

1de9c4ca2b751b97c28e73c84217507d.execmd.exe

description	pid	process	target process
PID 1924 wrote to memory of 3880	1924	1de9c4ca2b751b97c28e73c84217507d.exe	cmd.exe
PID 1924 wrote to memory of 3880	1924	1de9c4ca2b751b97c28e73c84217507d.exe	cmd.exe
PID 1924 wrote to memory of 3880	1924	1de9c4ca2b751b97c28e73c84217507d.exe	cmd.exe
PID 1924 wrote to memory of 3856	1924	1de9c4ca2b751b97c28e73c84217507d.exe	MSBuild.exe
PID 1924 wrote to memory of 3856	1924	1de9c4ca2b751b97c28e73c84217507d.exe	MSBuild.exe
PID 1924 wrote to memory of 3856	1924	1de9c4ca2b751b97c28e73c84217507d.exe	MSBuild.exe
PID 1924 wrote to memory of 3856	1924	1de9c4ca2b751b97c28e73c84217507d.exe	MSBuild.exe
PID 3880 wrote to memory of 3988	3880	cmd.exe	schtasks.exe
PID 3880 wrote to memory of 3988	3880	cmd.exe	schtasks.exe
PID 3880 wrote to memory of 3988	3880	cmd.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\1de9c4ca2b751b97c28e73c84217507d.exe
"C:\Users\Admin\AppData\Local\Temp\1de9c4ca2b751b97c28e73c84217507d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1924

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:3880

C:\Windows\SysWOW64\schtasks.exe
schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\64a93f59b5894fd5b0d60f9f52db3822.xml"
3⤵
- Creates scheduled task(s)
PID:3988

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Users\Admin\AppData\Local\Temp\1de9c4ca2b751b97c28e73c84217507d.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3856

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/3856-3-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/3856-5-0x000000000046555E-mapping.dmp

Download
memory/3856-8-0x00000000737D0000-0x0000000073EBE000-memory.dmp

Filesize
6.9MB

Download
memory/3856-11-0x0000000004F70000-0x0000000004F71000-memory.dmp

Filesize
4KB

Download
memory/3856-12-0x0000000005510000-0x0000000005511000-memory.dmp

Filesize
4KB

Download
memory/3856-13-0x00000000061C0000-0x00000000061C1000-memory.dmp

Filesize
4KB

Download
memory/3856-14-0x0000000006430000-0x0000000006431000-memory.dmp

Filesize
4KB

Download
memory/3856-15-0x00000000063A0000-0x00000000063A1000-memory.dmp

Filesize
4KB

Download
memory/3880-2-0x0000000000000000-mapping.dmp

Download
memory/3988-4-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads