snakekeylogger | 4e8b17d34495b7e4397939448da55c81d186794fa6a1f00a5e3cbd4659dd74ac

General

Target

SecuriteInfo.com.Trojan.DownLoader46.44277.27482.3211.exe
Size

432KB
MD5

705f530ccf09e70691a0cd93c5a15bd4
SHA1

3c17db1f545254560323dba0aabd18978d21f063
SHA256

4e8b17d34495b7e4397939448da55c81d186794fa6a1f00a5e3cbd4659dd74ac
SHA512

c9c19726178e1aef01805d30c9eb562eef1f43f906eea9ec6af7bf599edc7d289d89a294f1e30db30d6035928615e426056fd4a5feafba4df549f4cda6b4bdb7
SSDEEP

12288:E2t+axyVJLYNnZa693JxwTIAqf2HQGRw6Y9:vwVJLYNno695x+I32LY9

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Signatures

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

Snake Keylogger payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2732-28-0x0000000000400000-0x0000000000426000-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\.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe	Powershell.exe

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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

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

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

Processes:

SecuriteInfo.com.Trojan.DownLoader46.44277.27482.3211.exe

description pid process target process

PID 3452 set thread context of 2732 3452 SecuriteInfo.com.Trojan.DownLoader46.44277.27482.3211.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Powershell.exeRegAsm.exe

pid process

636 Powershell.exe
636 Powershell.exe
2732 RegAsm.exe
2732 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Powershell.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 636 Powershell.exe
Token: SeDebugPrivilege 2732 RegAsm.exe

flow	ioc
32	checkip.dyndns.org

description	pid	process	target process
PID 3452 set thread context of 2732	3452	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.3211.exe	RegAsm.exe

pid	process
636	Powershell.exe
636	Powershell.exe
2732	RegAsm.exe
2732	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	636	Powershell.exe
Token: SeDebugPrivilege	2732	RegAsm.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

SecuriteInfo.com.Trojan.DownLoader46.44277.27482.3211.exe

description	pid	process	target process
PID 3452 wrote to memory of 636	3452	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.3211.exe	Powershell.exe
PID 3452 wrote to memory of 636	3452	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.3211.exe	Powershell.exe
PID 3452 wrote to memory of 636	3452	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.3211.exe	Powershell.exe
PID 3452 wrote to memory of 2732	3452	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.3211.exe	RegAsm.exe
PID 3452 wrote to memory of 2732	3452	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.3211.exe	RegAsm.exe
PID 3452 wrote to memory of 2732	3452	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.3211.exe	RegAsm.exe
PID 3452 wrote to memory of 2732	3452	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.3211.exe	RegAsm.exe
PID 3452 wrote to memory of 2732	3452	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.3211.exe	RegAsm.exe
PID 3452 wrote to memory of 2732	3452	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.3211.exe	RegAsm.exe
PID 3452 wrote to memory of 2732	3452	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.3211.exe	RegAsm.exe
PID 3452 wrote to memory of 2732	3452	SecuriteInfo.com.Trojan.DownLoader46.44277.27482.3211.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader46.44277.27482.3211.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader46.44277.27482.3211.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3452

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader46.44277.27482.3211.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'
2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:636

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nsseisam.hog.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/636-12-0x0000000005230000-0x0000000005252000-memory.dmp

Filesize
136KB

Download
memory/636-7-0x00000000027A0000-0x00000000027D6000-memory.dmp

Filesize
216KB

Download
memory/636-24-0x0000000005B10000-0x0000000005E64000-memory.dmp

Filesize
3.3MB

Download
memory/636-32-0x0000000007330000-0x00000000073C6000-memory.dmp

Filesize
600KB

Download
memory/636-39-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/636-33-0x00000000065C0000-0x00000000065DA000-memory.dmp

Filesize
104KB

Download
memory/636-26-0x0000000006110000-0x000000000615C000-memory.dmp

Filesize
304KB

Download
memory/636-8-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/636-9-0x00000000028D0000-0x00000000028E0000-memory.dmp

Filesize
64KB

Download
memory/636-10-0x00000000028D0000-0x00000000028E0000-memory.dmp

Filesize
64KB

Download
memory/636-11-0x0000000005290000-0x00000000058B8000-memory.dmp

Filesize
6.2MB

Download
memory/636-13-0x0000000005A30000-0x0000000005A96000-memory.dmp

Filesize
408KB

Download
memory/636-34-0x0000000006670000-0x0000000006692000-memory.dmp

Filesize
136KB

Download
memory/636-14-0x0000000005AA0000-0x0000000005B06000-memory.dmp

Filesize
408KB

Download
memory/636-25-0x00000000060D0000-0x00000000060EE000-memory.dmp

Filesize
120KB

Download
memory/2732-42-0x0000000006100000-0x0000000006150000-memory.dmp

Filesize
320KB

Download
memory/2732-40-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/2732-44-0x0000000006180000-0x000000000618A000-memory.dmp

Filesize
40KB

Download
memory/2732-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2732-43-0x0000000006320000-0x00000000064E2000-memory.dmp

Filesize
1.8MB

Download
memory/2732-41-0x0000000004D10000-0x0000000004D20000-memory.dmp

Filesize
64KB

Download
memory/2732-31-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/2732-35-0x0000000004D10000-0x0000000004D20000-memory.dmp

Filesize
64KB

Download
memory/3452-30-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/3452-6-0x0000000005370000-0x000000000540C000-memory.dmp

Filesize
624KB

Download
memory/3452-4-0x00000000056F0000-0x0000000005C94000-memory.dmp

Filesize
5.6MB

Download
memory/3452-5-0x0000000005230000-0x00000000052C2000-memory.dmp

Filesize
584KB

Download
memory/3452-1-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/3452-3-0x00000000050E0000-0x00000000050F0000-memory.dmp

Filesize
64KB

Download
memory/3452-0-0x0000000000700000-0x0000000000772000-memory.dmp

Filesize
456KB

Download
memory/3452-27-0x0000000005200000-0x0000000005208000-memory.dmp

Filesize
32KB

Download
memory/3452-2-0x00000000050F0000-0x0000000005146000-memory.dmp

Filesize
344KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads