snakekeylogger | c0972bed1bf730f5247f0ee2db6fe2f15b97217b6cfb42a024dc3aad4ec20341

Analysis

max time kernel
117s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 12:28

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General

Target

AWB_Ref#339720937705pdf.exe
Size

599KB
MD5

8f430690b8710fa451e213dd0b2ec9ab
SHA1

de4b9701915a96ab28ad39dd5bc13be1941bc095
SHA256

c0972bed1bf730f5247f0ee2db6fe2f15b97217b6cfb42a024dc3aad4ec20341
SHA512

eda0d36ba72eec1b1cb5f95e7e7c676a89338f11cd7f2134fe114ac353447aabf4cc54276795dcd46a668dfadd597d143d2e2749fbb0f8b35d78df11da91aea2
SSDEEP

12288:65SRmHfMaVj/IkS2bNVoOs/Jn+jiA58BrgiIXsh3gViwt5XHUkR:uSRmHfMaG6bNVfe+jp58Bsiysh0iw5j

Score

10^/10

snakekeylogger collection credential_access discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot7342466652:AAH0FO5Nw0u2N8HT41ehcQTwKTOCbumkJLg/sendMessage?chat_id=7399860345

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2864-36-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3828	powershell.exe
2704	powershell.exe

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	AWB_Ref#339720937705pdf.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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.

flow	ioc
22	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4848 set thread context of 2864	4848	AWB_Ref#339720937705pdf.exe	95

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AWB_Ref#339720937705pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
840	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3828	powershell.exe
2704	powershell.exe
2864	RegSvcs.exe
3828	powershell.exe
2704	powershell.exe
2864	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3828	powershell.exe
Token: SeDebugPrivilege	2704	powershell.exe
Token: SeDebugPrivilege	2864	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4848 wrote to memory of 3828	4848	AWB_Ref#339720937705pdf.exe	89
PID 4848 wrote to memory of 3828	4848	AWB_Ref#339720937705pdf.exe	89
PID 4848 wrote to memory of 3828	4848	AWB_Ref#339720937705pdf.exe	89
PID 4848 wrote to memory of 2704	4848	AWB_Ref#339720937705pdf.exe	91
PID 4848 wrote to memory of 2704	4848	AWB_Ref#339720937705pdf.exe	91
PID 4848 wrote to memory of 2704	4848	AWB_Ref#339720937705pdf.exe	91
PID 4848 wrote to memory of 840	4848	AWB_Ref#339720937705pdf.exe	93
PID 4848 wrote to memory of 840	4848	AWB_Ref#339720937705pdf.exe	93
PID 4848 wrote to memory of 840	4848	AWB_Ref#339720937705pdf.exe	93
PID 4848 wrote to memory of 2864	4848	AWB_Ref#339720937705pdf.exe	95
PID 4848 wrote to memory of 2864	4848	AWB_Ref#339720937705pdf.exe	95
PID 4848 wrote to memory of 2864	4848	AWB_Ref#339720937705pdf.exe	95
PID 4848 wrote to memory of 2864	4848	AWB_Ref#339720937705pdf.exe	95
PID 4848 wrote to memory of 2864	4848	AWB_Ref#339720937705pdf.exe	95
PID 4848 wrote to memory of 2864	4848	AWB_Ref#339720937705pdf.exe	95
PID 4848 wrote to memory of 2864	4848	AWB_Ref#339720937705pdf.exe	95
PID 4848 wrote to memory of 2864	4848	AWB_Ref#339720937705pdf.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\AWB_Ref#339720937705pdf.exe
"C:\Users\Admin\AppData\Local\Temp\AWB_Ref#339720937705pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4848
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\AWB_Ref#339720937705pdf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3828
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BtEYlavlla.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2704
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BtEYlavlla" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCCC6.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:840
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bznvo4ha.hig.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCCC6.tmp

Filesize
1KB

MD5
77e768dd804ebfc1610c802cec449d8a

SHA1
e0f8b828c3fad5d8335842874a0b80a0309e76dc

SHA256
966e9a0f584a2a11b4a1798b685ece42b808adf253bd044758b2db0a0f3c0fcc

SHA512
67292ca10e5aedd2b5473fe2aa2c671df80e802fe7a6b97fcfdea72b8c15a50ebd3e8a2f84856b7b52ae85ee0c8ba6c9bd4782f14de996465887e81c94da9093

Download Submit
memory/2704-72-0x0000000006840000-0x000000000685E000-memory.dmp

Filesize
120KB

Download
memory/2704-53-0x0000000070BA0000-0x0000000070BEC000-memory.dmp

Filesize
304KB

Download
memory/2704-81-0x0000000007900000-0x000000000791A000-memory.dmp

Filesize
104KB

Download
memory/2704-80-0x0000000007800000-0x0000000007814000-memory.dmp

Filesize
80KB

Download
memory/2704-78-0x00000000077C0000-0x00000000077D1000-memory.dmp

Filesize
68KB

Download
memory/2704-74-0x00000000075C0000-0x00000000075DA000-memory.dmp

Filesize
104KB

Download
memory/2704-19-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/2704-85-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/2704-50-0x00000000062C0000-0x000000000630C000-memory.dmp

Filesize
304KB

Download
memory/2704-49-0x0000000006280000-0x000000000629E000-memory.dmp

Filesize
120KB

Download
memory/2704-21-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/2704-38-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/2864-36-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2864-87-0x0000000006710000-0x0000000006760000-memory.dmp

Filesize
320KB

Download
memory/2864-88-0x0000000006930000-0x0000000006AF2000-memory.dmp

Filesize
1.8MB

Download
memory/3828-73-0x0000000006EE0000-0x0000000006F83000-memory.dmp

Filesize
652KB

Download
memory/3828-51-0x00000000062F0000-0x0000000006322000-memory.dmp

Filesize
200KB

Download
memory/3828-31-0x00000000056A0000-0x00000000059F4000-memory.dmp

Filesize
3.3MB

Download
memory/3828-35-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/3828-18-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/3828-86-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/3828-16-0x0000000005010000-0x0000000005638000-memory.dmp

Filesize
6.2MB

Download
memory/3828-22-0x0000000004ED0000-0x0000000004F36000-memory.dmp

Filesize
408KB

Download
memory/3828-17-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/3828-20-0x0000000004E20000-0x0000000004E42000-memory.dmp

Filesize
136KB

Download
memory/3828-15-0x00000000023B0000-0x00000000023E6000-memory.dmp

Filesize
216KB

Download
memory/3828-82-0x0000000007320000-0x0000000007328000-memory.dmp

Filesize
32KB

Download
memory/3828-79-0x0000000007230000-0x000000000723E000-memory.dmp

Filesize
56KB

Download
memory/3828-77-0x0000000007280000-0x0000000007316000-memory.dmp

Filesize
600KB

Download
memory/3828-52-0x0000000070BA0000-0x0000000070BEC000-memory.dmp

Filesize
304KB

Download
memory/3828-23-0x0000000004F40000-0x0000000004FA6000-memory.dmp

Filesize
408KB

Download
memory/3828-76-0x0000000007070000-0x000000000707A000-memory.dmp

Filesize
40KB

Download
memory/3828-75-0x0000000007640000-0x0000000007CBA000-memory.dmp

Filesize
6.5MB

Download
memory/4848-7-0x00000000746BE000-0x00000000746BF000-memory.dmp

Filesize
4KB

Download
memory/4848-0-0x00000000746BE000-0x00000000746BF000-memory.dmp

Filesize
4KB

Download
memory/4848-8-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/4848-6-0x0000000006450000-0x0000000006460000-memory.dmp

Filesize
64KB

Download
memory/4848-9-0x00000000066F0000-0x0000000006758000-memory.dmp

Filesize
416KB

Download
memory/4848-4-0x0000000004C90000-0x0000000004C9A000-memory.dmp

Filesize
40KB

Download
memory/4848-5-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/4848-10-0x0000000008DC0000-0x0000000008E5C000-memory.dmp

Filesize
624KB

Download
memory/4848-39-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/4848-3-0x0000000004AE0000-0x0000000004B72000-memory.dmp

Filesize
584KB

Download
memory/4848-2-0x0000000005090000-0x0000000005634000-memory.dmp

Filesize
5.6MB

Download
memory/4848-1-0x00000000000A0000-0x0000000000138000-memory.dmp

Filesize
608KB

Download