snakekeylogger | 7c1725edad4a3366d166366f35d611e65705a084dc67f886b1963857f8dfa641

Analysis

max time kernel
138s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
28-11-2023 06:49

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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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5040-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

INV.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Control Panel\International\Geo\Nation INV.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

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Control Panel\International\Geo\Nation	INV.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

INV.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV.exe
Key opened	\REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV.exe
Key opened	\REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\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

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

Processes:

INV.exe

description pid process target process

PID 2416 set thread context of 5040 2416 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

1476 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeINV.exe

pid process

4708 powershell.exe
5040 INV.exe
4708 powershell.exe
5040 INV.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeINV.exe

description pid process

Token: SeDebugPrivilege 4708 powershell.exe
Token: SeDebugPrivilege 5040 INV.exe

flow	ioc
22	checkip.dyndns.org

description	pid	process	target process
PID 2416 set thread context of 5040	2416	INV.exe	INV.exe

pid	process
1476	schtasks.exe

pid	process
4708	powershell.exe
5040	INV.exe
4708	powershell.exe
5040	INV.exe

description	pid	process
Token: SeDebugPrivilege	4708	powershell.exe
Token: SeDebugPrivilege	5040	INV.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

INV.exe

description	pid	process	target process
PID 2416 wrote to memory of 4708	2416	INV.exe	powershell.exe
PID 2416 wrote to memory of 4708	2416	INV.exe	powershell.exe
PID 2416 wrote to memory of 4708	2416	INV.exe	powershell.exe
PID 2416 wrote to memory of 1476	2416	INV.exe	schtasks.exe
PID 2416 wrote to memory of 1476	2416	INV.exe	schtasks.exe
PID 2416 wrote to memory of 1476	2416	INV.exe	schtasks.exe
PID 2416 wrote to memory of 5040	2416	INV.exe	INV.exe
PID 2416 wrote to memory of 5040	2416	INV.exe	INV.exe
PID 2416 wrote to memory of 5040	2416	INV.exe	INV.exe
PID 2416 wrote to memory of 5040	2416	INV.exe	INV.exe
PID 2416 wrote to memory of 5040	2416	INV.exe	INV.exe
PID 2416 wrote to memory of 5040	2416	INV.exe	INV.exe
PID 2416 wrote to memory of 5040	2416	INV.exe	INV.exe
PID 2416 wrote to memory of 5040	2416	INV.exe	INV.exe

outlook_office_path 1 IoCs

Processes:

INV.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\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-1-5-21-3635043082-2972811465-3176142135-1000\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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2416

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:4708

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VedVuxqfLPu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8596.tmp"
2⤵
- Creates scheduled task(s)
PID:1476

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:5040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_eyjskwtx.hom.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8596.tmp

Filesize
1KB

MD5
c946095490d5d45136beb87cd5372308

SHA1
31975f784bdcd67ae113a0709bb4b69d2c02d22a

SHA256
621070fe652f5149d589f15c703861d0b099e226b596f0decd69d1dd11f39231

SHA512
cdea23e65c07b1a8a488c76f6ecf7f6ff372042be1f67798dd0c974b4fd8b8f878f5e5c4ada5f4998a5121c17bbb12b63090ca54bd9305bd9497a0627647ef3a

Download Submit
memory/2416-0-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/2416-1-0x0000000000340000-0x00000000003EE000-memory.dmp

Filesize
696KB

Download
memory/2416-2-0x00000000052E0000-0x0000000005884000-memory.dmp

Filesize
5.6MB

Download
memory/2416-3-0x0000000004E10000-0x0000000004EA2000-memory.dmp

Filesize
584KB

Download
memory/2416-4-0x00000000050A0000-0x00000000050B0000-memory.dmp

Filesize
64KB

Download
memory/2416-5-0x0000000004DF0000-0x0000000004DFA000-memory.dmp

Filesize
40KB

Download
memory/2416-6-0x0000000005040000-0x000000000505A000-memory.dmp

Filesize
104KB

Download
memory/2416-7-0x0000000005070000-0x0000000005078000-memory.dmp

Filesize
32KB

Download
memory/2416-8-0x0000000004810000-0x000000000481A000-memory.dmp

Filesize
40KB

Download
memory/2416-9-0x0000000006690000-0x000000000670A000-memory.dmp

Filesize
488KB

Download
memory/2416-10-0x00000000077B0000-0x000000000784C000-memory.dmp

Filesize
624KB

Download
memory/2416-11-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/2416-15-0x00000000050A0000-0x00000000050B0000-memory.dmp

Filesize
64KB

Download
memory/2416-26-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/4708-22-0x0000000004D90000-0x00000000053B8000-memory.dmp

Filesize
6.2MB

Download
memory/4708-43-0x0000000002340000-0x0000000002350000-memory.dmp

Filesize
64KB

Download
memory/4708-19-0x0000000002340000-0x0000000002350000-memory.dmp

Filesize
64KB

Download
memory/4708-20-0x0000000002340000-0x0000000002350000-memory.dmp

Filesize
64KB

Download
memory/4708-66-0x00000000071F0000-0x00000000071F8000-memory.dmp

Filesize
32KB

Download
memory/4708-27-0x0000000004BC0000-0x0000000004BE2000-memory.dmp

Filesize
136KB

Download
memory/4708-33-0x0000000005430000-0x0000000005496000-memory.dmp

Filesize
408KB

Download
memory/4708-35-0x00000000054A0000-0x0000000005506000-memory.dmp

Filesize
408KB

Download
memory/4708-17-0x0000000000D60000-0x0000000000D96000-memory.dmp

Filesize
216KB

Download
memory/4708-68-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/4708-40-0x0000000005650000-0x00000000059A4000-memory.dmp

Filesize
3.3MB

Download
memory/4708-41-0x0000000005BA0000-0x0000000005BBE000-memory.dmp

Filesize
120KB

Download
memory/4708-42-0x00000000060F0000-0x000000000613C000-memory.dmp

Filesize
304KB

Download
memory/4708-18-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/4708-44-0x000000007F610000-0x000000007F620000-memory.dmp

Filesize
64KB

Download
memory/4708-45-0x0000000006B80000-0x0000000006BB2000-memory.dmp

Filesize
200KB

Download
memory/4708-46-0x00000000701C0000-0x000000007020C000-memory.dmp

Filesize
304KB

Download
memory/4708-56-0x0000000006150000-0x000000000616E000-memory.dmp

Filesize
120KB

Download
memory/4708-57-0x0000000006DC0000-0x0000000006E63000-memory.dmp

Filesize
652KB

Download
memory/4708-58-0x0000000007530000-0x0000000007BAA000-memory.dmp

Filesize
6.5MB

Download
memory/4708-59-0x0000000006ED0000-0x0000000006EEA000-memory.dmp

Filesize
104KB

Download
memory/4708-60-0x0000000006F40000-0x0000000006F4A000-memory.dmp

Filesize
40KB

Download
memory/4708-61-0x0000000007150000-0x00000000071E6000-memory.dmp

Filesize
600KB

Download
memory/4708-62-0x00000000070D0000-0x00000000070E1000-memory.dmp

Filesize
68KB

Download
memory/4708-63-0x0000000007100000-0x000000000710E000-memory.dmp

Filesize
56KB

Download
memory/4708-64-0x0000000007110000-0x0000000007124000-memory.dmp

Filesize
80KB

Download
memory/4708-65-0x0000000007210000-0x000000000722A000-memory.dmp

Filesize
104KB

Download
memory/5040-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/5040-25-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/5040-34-0x0000000002EC0000-0x0000000002ED0000-memory.dmp

Filesize
64KB

Download
memory/5040-69-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/5040-70-0x0000000002EC0000-0x0000000002ED0000-memory.dmp

Filesize
64KB

Download
memory/5040-71-0x00000000068E0000-0x0000000006930000-memory.dmp

Filesize
320KB

Download
memory/5040-72-0x0000000006B00000-0x0000000006CC2000-memory.dmp

Filesize
1.8MB

Download