snakekeylogger | 438fdfe2373cc3461f9294fab147d74beae972ad80620002d60ccd6f27f8c966

General

Target

000900000000900.exe
Size

958KB
MD5

9986f70e963e69f4e25ec67cc0a0b66a
SHA1

0f3c4623479f32e809212b08d32b944ffc522857
SHA256

438fdfe2373cc3461f9294fab147d74beae972ad80620002d60ccd6f27f8c966
SHA512

a23c62e62bd7fafd8b40611847c893cba459e3db794678d3fdc7b5208b789b32b30fac332b8cfef03a9bff76c83391bece184a11b46aed80b3b80aab389c295f

Score

10^/10

snakekeylogger keylogger stealer

Malware Config

Signatures

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

Snake Keylogger Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/576-15-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral1/memory/576-16-0x00000000004643BE-mapping.dmp	family_snakekeylogger
behavioral1/memory/576-19-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger

Drops startup file 2 IoCs

Processes:

Powershell.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\I$s#$lT3ssl.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\I$s#$lT3ssl.exe	Powershell.exe

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

11 freegeoip.app
3 checkip.dyndns.org
10 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

000900000000900.exe

description pid process target process

PID 1656 set thread context of 576 1656 000900000000900.exe InstallUtil.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1268 1656 WerFault.exe 000900000000900.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

Powershell.exeInstallUtil.exeWerFault.exe

pid process

1236 Powershell.exe
576 InstallUtil.exe
1236 Powershell.exe
1268 WerFault.exe
1268 WerFault.exe
1268 WerFault.exe
1268 WerFault.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Powershell.exeInstallUtil.exeWerFault.exe

description pid process

Token: SeDebugPrivilege 1236 Powershell.exe
Token: SeDebugPrivilege 576 InstallUtil.exe
Token: SeDebugPrivilege 1268 WerFault.exe

flow	ioc
11	freegeoip.app
3	checkip.dyndns.org
10	freegeoip.app

description	pid	process	target process
PID 1656 set thread context of 576	1656	000900000000900.exe	InstallUtil.exe

pid	pid_target	process	target process
1268	1656	WerFault.exe	000900000000900.exe

pid	process
1236	Powershell.exe
576	InstallUtil.exe
1236	Powershell.exe
1268	WerFault.exe
1268	WerFault.exe
1268	WerFault.exe
1268	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1236	Powershell.exe
Token: SeDebugPrivilege	576	InstallUtil.exe
Token: SeDebugPrivilege	1268	WerFault.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

000900000000900.exe

description	pid	process	target process
PID 1656 wrote to memory of 1236	1656	000900000000900.exe	Powershell.exe
PID 1656 wrote to memory of 1236	1656	000900000000900.exe	Powershell.exe
PID 1656 wrote to memory of 1236	1656	000900000000900.exe	Powershell.exe
PID 1656 wrote to memory of 1236	1656	000900000000900.exe	Powershell.exe
PID 1656 wrote to memory of 576	1656	000900000000900.exe	InstallUtil.exe
PID 1656 wrote to memory of 576	1656	000900000000900.exe	InstallUtil.exe
PID 1656 wrote to memory of 576	1656	000900000000900.exe	InstallUtil.exe
PID 1656 wrote to memory of 576	1656	000900000000900.exe	InstallUtil.exe
PID 1656 wrote to memory of 576	1656	000900000000900.exe	InstallUtil.exe
PID 1656 wrote to memory of 576	1656	000900000000900.exe	InstallUtil.exe
PID 1656 wrote to memory of 576	1656	000900000000900.exe	InstallUtil.exe
PID 1656 wrote to memory of 576	1656	000900000000900.exe	InstallUtil.exe
PID 1656 wrote to memory of 576	1656	000900000000900.exe	InstallUtil.exe
PID 1656 wrote to memory of 576	1656	000900000000900.exe	InstallUtil.exe
PID 1656 wrote to memory of 576	1656	000900000000900.exe	InstallUtil.exe
PID 1656 wrote to memory of 576	1656	000900000000900.exe	InstallUtil.exe
PID 1656 wrote to memory of 1268	1656	000900000000900.exe	WerFault.exe
PID 1656 wrote to memory of 1268	1656	000900000000900.exe	WerFault.exe
PID 1656 wrote to memory of 1268	1656	000900000000900.exe	WerFault.exe
PID 1656 wrote to memory of 1268	1656	000900000000900.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\000900000000900.exe
"C:\Users\Admin\AppData\Local\Temp\000900000000900.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1656

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\000900000000900.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\I$s#$lT3ssl.exe'
2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1236

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1656 -s 672
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1268

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/576-15-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/576-21-0x0000000004250000-0x0000000004251000-memory.dmp

Filesize
4KB

Download
memory/576-19-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/576-17-0x0000000074640000-0x0000000074D2E000-memory.dmp

Filesize
6.9MB

Download
memory/576-16-0x00000000004643BE-mapping.dmp

Download
memory/1236-9-0x0000000074640000-0x0000000074D2E000-memory.dmp

Filesize
6.9MB

Download
memory/1236-31-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

Download
memory/1236-10-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download
memory/1236-11-0x0000000004930000-0x0000000004931000-memory.dmp

Filesize
4KB

Download
memory/1236-39-0x0000000006240000-0x0000000006241000-memory.dmp

Filesize
4KB

Download
memory/1236-13-0x00000000048F0000-0x00000000048F1000-memory.dmp

Filesize
4KB

Download
memory/1236-14-0x00000000048F2000-0x00000000048F3000-memory.dmp

Filesize
4KB

Download
memory/1236-32-0x00000000061B0000-0x00000000061B1000-memory.dmp

Filesize
4KB

Download
memory/1236-7-0x00000000765A1000-0x00000000765A3000-memory.dmp

Filesize
8KB

Download
memory/1236-6-0x0000000000000000-mapping.dmp

Download
memory/1236-18-0x0000000000DD0000-0x0000000000DD1000-memory.dmp

Filesize
4KB

Download
memory/1236-30-0x00000000056B0000-0x00000000056B1000-memory.dmp

Filesize
4KB

Download
memory/1236-25-0x0000000005620000-0x0000000005621000-memory.dmp

Filesize
4KB

Download
memory/1236-22-0x0000000002750000-0x0000000002751000-memory.dmp

Filesize
4KB

Download
memory/1268-40-0x0000000000000000-mapping.dmp

Download
memory/1268-41-0x0000000001F50000-0x0000000001F61000-memory.dmp

Filesize
68KB

Download
memory/1268-42-0x0000000000990000-0x0000000000991000-memory.dmp

Filesize
4KB

Download
memory/1656-3-0x0000000001250000-0x0000000001251000-memory.dmp

Filesize
4KB

Download
memory/1656-5-0x0000000000AF0000-0x0000000000B81000-memory.dmp

Filesize
580KB

Download
memory/1656-2-0x0000000074640000-0x0000000074D2E000-memory.dmp

Filesize
6.9MB

Download
memory/1656-8-0x0000000004BA0000-0x0000000004BA1000-memory.dmp

Filesize
4KB

Download
memory/1656-12-0x00000000002E0000-0x00000000002EF000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads