snakekeylogger | 2fabd4762d0f346547c11817e614da7462b64344ba29eef8bd58472bf524902c

General

Target

STATEMENT OF ACCOUNT-.pdf.exe
Size

958KB
MD5

36af1327aa572a073ee6a1cee0cb1255
SHA1

e9a967394c2b2a51ebfd2f4285173377ea989694
SHA256

2fabd4762d0f346547c11817e614da7462b64344ba29eef8bd58472bf524902c
SHA512

55ad4501e4491147e776c40f1c436c4705ca8b0a3912ab218f6a5f2c842733961913e992e2af3a51b018325bd95dbb639442f1eac7d81b1313508c0ba4c0679a

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/1892-16-0x00000000004643AE-mapping.dmp	family_snakekeylogger
behavioral1/memory/1892-15-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral1/memory/1892-19-0x0000000000400000-0x000000000046A000-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

4 checkip.dyndns.org
11 freegeoip.app
12 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

STATEMENT OF ACCOUNT-.pdf.exe

description pid process target process

PID 1368 set thread context of 1892 1368 STATEMENT OF ACCOUNT-.pdf.exe InstallUtil.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1668 1368 WerFault.exe STATEMENT OF ACCOUNT-.pdf.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

Powershell.exeInstallUtil.exeWerFault.exe

pid process

1316 Powershell.exe
1892 InstallUtil.exe
1316 Powershell.exe
1668 WerFault.exe
1668 WerFault.exe
1668 WerFault.exe
1668 WerFault.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Powershell.exeInstallUtil.exeWerFault.exe

description pid process

Token: SeDebugPrivilege 1316 Powershell.exe
Token: SeDebugPrivilege 1892 InstallUtil.exe
Token: SeDebugPrivilege 1668 WerFault.exe

flow	ioc
4	checkip.dyndns.org
11	freegeoip.app
12	freegeoip.app

description	pid	process	target process
PID 1368 set thread context of 1892	1368	STATEMENT OF ACCOUNT-.pdf.exe	InstallUtil.exe

pid	pid_target	process	target process
1668	1368	WerFault.exe	STATEMENT OF ACCOUNT-.pdf.exe

pid	process
1316	Powershell.exe
1892	InstallUtil.exe
1316	Powershell.exe
1668	WerFault.exe
1668	WerFault.exe
1668	WerFault.exe
1668	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1316	Powershell.exe
Token: SeDebugPrivilege	1892	InstallUtil.exe
Token: SeDebugPrivilege	1668	WerFault.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

STATEMENT OF ACCOUNT-.pdf.exe

description	pid	process	target process
PID 1368 wrote to memory of 1316	1368	STATEMENT OF ACCOUNT-.pdf.exe	Powershell.exe
PID 1368 wrote to memory of 1316	1368	STATEMENT OF ACCOUNT-.pdf.exe	Powershell.exe
PID 1368 wrote to memory of 1316	1368	STATEMENT OF ACCOUNT-.pdf.exe	Powershell.exe
PID 1368 wrote to memory of 1316	1368	STATEMENT OF ACCOUNT-.pdf.exe	Powershell.exe
PID 1368 wrote to memory of 1892	1368	STATEMENT OF ACCOUNT-.pdf.exe	InstallUtil.exe
PID 1368 wrote to memory of 1892	1368	STATEMENT OF ACCOUNT-.pdf.exe	InstallUtil.exe
PID 1368 wrote to memory of 1892	1368	STATEMENT OF ACCOUNT-.pdf.exe	InstallUtil.exe
PID 1368 wrote to memory of 1892	1368	STATEMENT OF ACCOUNT-.pdf.exe	InstallUtil.exe
PID 1368 wrote to memory of 1892	1368	STATEMENT OF ACCOUNT-.pdf.exe	InstallUtil.exe
PID 1368 wrote to memory of 1892	1368	STATEMENT OF ACCOUNT-.pdf.exe	InstallUtil.exe
PID 1368 wrote to memory of 1892	1368	STATEMENT OF ACCOUNT-.pdf.exe	InstallUtil.exe
PID 1368 wrote to memory of 1892	1368	STATEMENT OF ACCOUNT-.pdf.exe	InstallUtil.exe
PID 1368 wrote to memory of 1892	1368	STATEMENT OF ACCOUNT-.pdf.exe	InstallUtil.exe
PID 1368 wrote to memory of 1892	1368	STATEMENT OF ACCOUNT-.pdf.exe	InstallUtil.exe
PID 1368 wrote to memory of 1892	1368	STATEMENT OF ACCOUNT-.pdf.exe	InstallUtil.exe
PID 1368 wrote to memory of 1892	1368	STATEMENT OF ACCOUNT-.pdf.exe	InstallUtil.exe
PID 1368 wrote to memory of 1668	1368	STATEMENT OF ACCOUNT-.pdf.exe	WerFault.exe
PID 1368 wrote to memory of 1668	1368	STATEMENT OF ACCOUNT-.pdf.exe	WerFault.exe
PID 1368 wrote to memory of 1668	1368	STATEMENT OF ACCOUNT-.pdf.exe	WerFault.exe
PID 1368 wrote to memory of 1668	1368	STATEMENT OF ACCOUNT-.pdf.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT-.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT-.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1368

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT-.pdf.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:1316

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:1892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1368 -s 668
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1668

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1316-12-0x0000000004840000-0x0000000004841000-memory.dmp

Filesize
4KB

Download
memory/1316-10-0x0000000004880000-0x0000000004881000-memory.dmp

Filesize
4KB

Download
memory/1316-38-0x0000000006290000-0x0000000006291000-memory.dmp

Filesize
4KB

Download
memory/1316-6-0x0000000000000000-mapping.dmp

Download
memory/1316-7-0x0000000075571000-0x0000000075573000-memory.dmp

Filesize
8KB

Download
memory/1316-8-0x0000000074710000-0x0000000074DFE000-memory.dmp

Filesize
6.9MB

Download
memory/1316-9-0x00000000024C0000-0x00000000024C1000-memory.dmp

Filesize
4KB

Download
memory/1316-18-0x0000000002670000-0x0000000002671000-memory.dmp

Filesize
4KB

Download
memory/1316-30-0x0000000006080000-0x0000000006081000-memory.dmp

Filesize
4KB

Download
memory/1316-13-0x0000000004842000-0x0000000004843000-memory.dmp

Filesize
4KB

Download
memory/1316-31-0x00000000060E0000-0x00000000060E1000-memory.dmp

Filesize
4KB

Download
memory/1316-25-0x0000000006040000-0x0000000006041000-memory.dmp

Filesize
4KB

Download
memory/1316-39-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

Download
memory/1316-21-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/1368-5-0x0000000004300000-0x0000000004391000-memory.dmp

Filesize
580KB

Download
memory/1368-11-0x0000000004D70000-0x0000000004D71000-memory.dmp

Filesize
4KB

Download
memory/1368-3-0x0000000000A30000-0x0000000000A31000-memory.dmp

Filesize
4KB

Download
memory/1368-2-0x0000000074710000-0x0000000074DFE000-memory.dmp

Filesize
6.9MB

Download
memory/1368-14-0x00000000003B0000-0x00000000003BF000-memory.dmp

Filesize
60KB

Download
memory/1668-41-0x00000000021F0000-0x0000000002201000-memory.dmp

Filesize
68KB

Download
memory/1668-40-0x0000000000000000-mapping.dmp

Download
memory/1668-42-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/1892-16-0x00000000004643AE-mapping.dmp

Download
memory/1892-22-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/1892-19-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1892-17-0x0000000074710000-0x0000000074DFE000-memory.dmp

Filesize
6.9MB

Download
memory/1892-15-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads