snakekeylogger | 16e82fc76c9145c8862a1e83a8d53d7e5eacddea13f11edd8ddda29d5aca3345

General

Target

x.exe
Size

926KB
MD5

4a037032e566e554fb2c4bfdf7af9504
SHA1

8aa91682c52288005b139858c1bfa1ecefa52a1f
SHA256

16e82fc76c9145c8862a1e83a8d53d7e5eacddea13f11edd8ddda29d5aca3345
SHA512

26d7f677d9819d125273690a3de44a834f10289c566ea5a59a0536f9f3193c95ec1ec0cfe842c12a7072ce41f5b56211283e1e3823f6a7c7839448d9fa8f899b
SSDEEP

12288:ap2SfSZnIULcqxUR37bMWDsHQsJGgZhRTZXDdEasjfYVLUkR:ap7fHNHMWoHQso8hRT1JEPfOT

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
webmail.adriaknjigovodstvo.hr
Port:
25
Username:
[email protected]
Password:
Natasa03%$
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1032-116-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1032-119-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1032-113-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1032-111-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1032-117-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

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
2772	powershell.exe
2912	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 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x.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.

flow	ioc
12	reallyfreegeoip.org
6	checkip.dyndns.org
11	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2788 set thread context of 1032	2788	x.exe	37

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	x.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	x.exe

Modifies system certificate store 2 TTPs 3 IoCs

defense_evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\E12DFB4B41D7D9C32B30514BAC1D81D8385E2D46	x.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\E12DFB4B41D7D9C32B30514BAC1D81D8385E2D46\Blob = 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	x.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\E12DFB4B41D7D9C32B30514BAC1D81D8385E2D46\Blob = 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	x.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
2900	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2788	x.exe
2788	x.exe
1032	x.exe
2912	powershell.exe
2772	powershell.exe
1032	x.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2788	x.exe
Token: SeDebugPrivilege	1032	x.exe
Token: SeDebugPrivilege	2912	powershell.exe
Token: SeDebugPrivilege	2772	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2788 wrote to memory of 2772	2788	x.exe	31
PID 2788 wrote to memory of 2772	2788	x.exe	31
PID 2788 wrote to memory of 2772	2788	x.exe	31
PID 2788 wrote to memory of 2772	2788	x.exe	31
PID 2788 wrote to memory of 2912	2788	x.exe	33
PID 2788 wrote to memory of 2912	2788	x.exe	33
PID 2788 wrote to memory of 2912	2788	x.exe	33
PID 2788 wrote to memory of 2912	2788	x.exe	33
PID 2788 wrote to memory of 2900	2788	x.exe	35
PID 2788 wrote to memory of 2900	2788	x.exe	35
PID 2788 wrote to memory of 2900	2788	x.exe	35
PID 2788 wrote to memory of 2900	2788	x.exe	35
PID 2788 wrote to memory of 1032	2788	x.exe	37
PID 2788 wrote to memory of 1032	2788	x.exe	37
PID 2788 wrote to memory of 1032	2788	x.exe	37
PID 2788 wrote to memory of 1032	2788	x.exe	37
PID 2788 wrote to memory of 1032	2788	x.exe	37
PID 2788 wrote to memory of 1032	2788	x.exe	37
PID 2788 wrote to memory of 1032	2788	x.exe	37
PID 2788 wrote to memory of 1032	2788	x.exe	37
PID 2788 wrote to memory of 1032	2788	x.exe	37

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x.exe

C:\Users\Admin\AppData\Local\Temp\x.exe
"C:\Users\Admin\AppData\Local\Temp\x.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2788
- 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\x.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2772
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HsEHFIONYJK.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2912
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HsEHFIONYJK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE45B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2900
- C:\Users\Admin\AppData\Local\Temp\x.exe
  "C:\Users\Admin\AppData\Local\Temp\x.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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\CabA70B.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarA72D.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE45B.tmp

Filesize
1KB

MD5
9af5735e4a722414f01c630e9312371d

SHA1
e6dcd03596654fd10684ec7c291400855361055f

SHA256
1cfc31cf17b47ea7e93e9ca4d4776743b959022aabde6e70eefce0497b098e55

SHA512
cc00eedf6921096f57f1c190ddd3e4a6e64cec1a92cc38ad3170f6d752319c0c4adb2dcf3bc4b2d2e90b59816b60b4cc2dc7c2f3b710f4da9186f0b7ba34d18f

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
eb131e9f19431191476b2d0c76835574

SHA1
be4c02a76b15aaf12156686d860028fd25128618

SHA256
04430ee40bad302852e5a3c966acad350b5afb644fa94897ffe8b9bbd4389292

SHA512
842bb1982d7f76cf8dd4490e36c6f2e82e5baebcf011c2d74c07cf60e3d44b55db199abb054a4e0da0b4a49c875d0910b3a78c976497c0fdf4ce92b395d7a401

Download Submit
memory/1032-111-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1032-113-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1032-117-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1032-107-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1032-109-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1032-115-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1032-119-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1032-116-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2788-1-0x0000000000E00000-0x0000000000EEA000-memory.dmp

Filesize
936KB

Download
memory/2788-9-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2788-91-0x0000000000AE0000-0x0000000000AFE000-memory.dmp

Filesize
120KB

Download
memory/2788-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/2788-94-0x00000000004D0000-0x000000000053C000-memory.dmp

Filesize
432KB

Download
memory/2788-93-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2788-92-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/2788-120-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads