snakekeylogger | 7c1725edad4a3366d166366f35d611e65705a084dc67f886b1963857f8dfa641

General

Target

INV.exe
Size

674KB
MD5

b7d48d8454f4aa3ae1b0ed7e53559628
SHA1

acbe3e258e28449feaffd199cdf005dd3bec231c
SHA256

7c1725edad4a3366d166366f35d611e65705a084dc67f886b1963857f8dfa641
SHA512

a8509642e21e8c28cb8aa5959a63c0fb8affbf27c8102cc381734781b959d3122991498ee9f302b4a381b4e733beeed31316ef912e83c9fc41f08d2e0f482424
SSDEEP

12288:Tuid7BR6wTuHt1fKOGyfoAuuCQ1RP+OSMOcNojh31Pm+HX+Si:CipBelrGDAuuCQCGojh31e+3S

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 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2648-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2648-16-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2648-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2648-21-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2648-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2648-28-0x0000000002290000-0x00000000022D0000-memory.dmp	family_snakekeylogger

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:

INV.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV.exe
Key opened	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV.exe
Key opened	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV.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

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

Processes:

INV.exe

description pid process target process

PID 2880 set thread context of 2648 2880 INV.exe INV.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
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/Job
T1053

Processes:

schtasks.exe

pid process

768 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

INV.exeINV.exepowershell.exe

pid process

2880 INV.exe
2648 INV.exe
664 powershell.exe
2648 INV.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

INV.exeINV.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2880 INV.exe
Token: SeDebugPrivilege 2648 INV.exe
Token: SeDebugPrivilege 664 powershell.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 2880 set thread context of 2648	2880	INV.exe	INV.exe

pid	process
768	schtasks.exe

pid	process
2880	INV.exe
2648	INV.exe
664	powershell.exe
2648	INV.exe

description	pid	process
Token: SeDebugPrivilege	2880	INV.exe
Token: SeDebugPrivilege	2648	INV.exe
Token: SeDebugPrivilege	664	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

INV.exe

description	pid	process	target process
PID 2880 wrote to memory of 664	2880	INV.exe	powershell.exe
PID 2880 wrote to memory of 664	2880	INV.exe	powershell.exe
PID 2880 wrote to memory of 664	2880	INV.exe	powershell.exe
PID 2880 wrote to memory of 664	2880	INV.exe	powershell.exe
PID 2880 wrote to memory of 768	2880	INV.exe	schtasks.exe
PID 2880 wrote to memory of 768	2880	INV.exe	schtasks.exe
PID 2880 wrote to memory of 768	2880	INV.exe	schtasks.exe
PID 2880 wrote to memory of 768	2880	INV.exe	schtasks.exe
PID 2880 wrote to memory of 2656	2880	INV.exe	INV.exe
PID 2880 wrote to memory of 2656	2880	INV.exe	INV.exe
PID 2880 wrote to memory of 2656	2880	INV.exe	INV.exe
PID 2880 wrote to memory of 2656	2880	INV.exe	INV.exe
PID 2880 wrote to memory of 2648	2880	INV.exe	INV.exe
PID 2880 wrote to memory of 2648	2880	INV.exe	INV.exe
PID 2880 wrote to memory of 2648	2880	INV.exe	INV.exe
PID 2880 wrote to memory of 2648	2880	INV.exe	INV.exe
PID 2880 wrote to memory of 2648	2880	INV.exe	INV.exe
PID 2880 wrote to memory of 2648	2880	INV.exe	INV.exe
PID 2880 wrote to memory of 2648	2880	INV.exe	INV.exe
PID 2880 wrote to memory of 2648	2880	INV.exe	INV.exe
PID 2880 wrote to memory of 2648	2880	INV.exe	INV.exe

outlook_office_path 1 IoCs

Processes:

INV.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV.exe

outlook_win_path 1 IoCs

Processes:

INV.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV.exe

C:\Users\Admin\AppData\Local\Temp\INV.exe
"C:\Users\Admin\AppData\Local\Temp\INV.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2880

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VedVuxqfLPu.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:664

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VedVuxqfLPu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD95E.tmp"
2⤵
- Creates scheduled task(s)
PID:768

C:\Users\Admin\AppData\Local\Temp\INV.exe
"C:\Users\Admin\AppData\Local\Temp\INV.exe"
2⤵
PID:2656

C:\Users\Admin\AppData\Local\Temp\INV.exe
"C:\Users\Admin\AppData\Local\Temp\INV.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD95E.tmp

Filesize
1KB

MD5
36a81ca58694ea4fd25daaae9491d2ae

SHA1
70073ff3041afef99101850d206be5c5ea2320f3

SHA256
da67173ebd38afbedc3cd1d63761797d1b0f2dbd842a36aa7b593cbc39aeb910

SHA512
b6ef806fd7db8198c0f62a4d6f1361a0ae4f9dd00ea1aa19e5f3a07b68ee499a9edb1210925b2c61f6f2d1f9d176cdc3a0f2d349fc0f73e8d0d1e8f295ebba8e

Download Submit
memory/664-34-0x000000006FBA0000-0x000000007014B000-memory.dmp

Filesize
5.7MB

Download
memory/664-33-0x00000000025F0000-0x0000000002630000-memory.dmp

Filesize
256KB

Download
memory/664-32-0x00000000025F0000-0x0000000002630000-memory.dmp

Filesize
256KB

Download
memory/664-31-0x00000000025F0000-0x0000000002630000-memory.dmp

Filesize
256KB

Download
memory/664-30-0x000000006FBA0000-0x000000007014B000-memory.dmp

Filesize
5.7MB

Download
memory/664-29-0x000000006FBA0000-0x000000007014B000-memory.dmp

Filesize
5.7MB

Download
memory/2648-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2648-27-0x0000000073F50000-0x000000007463E000-memory.dmp

Filesize
6.9MB

Download
memory/2648-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2648-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2648-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2648-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2648-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2648-36-0x0000000002290000-0x00000000022D0000-memory.dmp

Filesize
256KB

Download
memory/2648-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2648-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2648-35-0x0000000073F50000-0x000000007463E000-memory.dmp

Filesize
6.9MB

Download
memory/2648-28-0x0000000002290000-0x00000000022D0000-memory.dmp

Filesize
256KB

Download
memory/2880-7-0x0000000073F50000-0x000000007463E000-memory.dmp

Filesize
6.9MB

Download
memory/2880-6-0x0000000005AB0000-0x0000000005B2A000-memory.dmp

Filesize
488KB

Download
memory/2880-5-0x0000000000430000-0x000000000043A000-memory.dmp

Filesize
40KB

Download
memory/2880-4-0x0000000000250000-0x0000000000258000-memory.dmp

Filesize
32KB

Download
memory/2880-3-0x0000000000270000-0x000000000028A000-memory.dmp

Filesize
104KB

Download
memory/2880-2-0x0000000004E70000-0x0000000004EB0000-memory.dmp

Filesize
256KB

Download
memory/2880-1-0x0000000073F50000-0x000000007463E000-memory.dmp

Filesize
6.9MB

Download
memory/2880-24-0x0000000073F50000-0x000000007463E000-memory.dmp

Filesize
6.9MB

Download
memory/2880-0-0x0000000000C40000-0x0000000000CEE000-memory.dmp

Filesize
696KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads