snakekeylogger | 49917f413cbf883715a5f6e5a30cb13abafc693ec296751ba8b1bdbc3142e8c5

General

Target

hesaphareketi-01.exe
Size

779KB
MD5

fb1ddd3d10ca671f437c6f2f3c9d6e57
SHA1

7bd24b6b4a1e30c7bd2ec0cfbe886021a902c912
SHA256

49917f413cbf883715a5f6e5a30cb13abafc693ec296751ba8b1bdbc3142e8c5
SHA512

5edfb4ccde93569c171b48eeac48026bb42d4cdbd791a5833945c5e4d775abdfb2529b04aac798fcabc5b1ef91b9eacbb6ea13452b27db98dbb55569eb337496
SSDEEP

12288:GTfOxmCKE2pb57IF0kVtn1IyyMgGpT1dl2veI0ay3MxyNALB:GS2t5sF0Gn1TcGB/l2veb8B

Score

10^/10

snakekeylogger collection discovery execution keylogger stealer

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
50.31.176.103
Port:
21
Username:
[email protected]
Password:
HW=f09RQ-BL1

Extracted

Family

snakekeylogger

Credentials

Protocol: ftp
Host:
ftp://50.31.176.103/
Port:
21
Username:
[email protected]
Password:
HW=f09RQ-BL1

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1952-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1952-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1952-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1952-30-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1952-29-0x0000000000400000-0x0000000000426000-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
2668	powershell.exe
2744	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2824 set thread context of 1952	2824	hesaphareketi-01.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	hesaphareketi-01.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	MSBuild.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
2176	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2824	hesaphareketi-01.exe
2824	hesaphareketi-01.exe
1952	MSBuild.exe
2668	powershell.exe
2744	powershell.exe
1952	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2824	hesaphareketi-01.exe
Token: SeDebugPrivilege	1952	MSBuild.exe
Token: SeDebugPrivilege	2668	powershell.exe
Token: SeDebugPrivilege	2744	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 2668	2824	hesaphareketi-01.exe	31
PID 2824 wrote to memory of 2668	2824	hesaphareketi-01.exe	31
PID 2824 wrote to memory of 2668	2824	hesaphareketi-01.exe	31
PID 2824 wrote to memory of 2668	2824	hesaphareketi-01.exe	31
PID 2824 wrote to memory of 2744	2824	hesaphareketi-01.exe	33
PID 2824 wrote to memory of 2744	2824	hesaphareketi-01.exe	33
PID 2824 wrote to memory of 2744	2824	hesaphareketi-01.exe	33
PID 2824 wrote to memory of 2744	2824	hesaphareketi-01.exe	33
PID 2824 wrote to memory of 2176	2824	hesaphareketi-01.exe	35
PID 2824 wrote to memory of 2176	2824	hesaphareketi-01.exe	35
PID 2824 wrote to memory of 2176	2824	hesaphareketi-01.exe	35
PID 2824 wrote to memory of 2176	2824	hesaphareketi-01.exe	35
PID 2824 wrote to memory of 1952	2824	hesaphareketi-01.exe	37
PID 2824 wrote to memory of 1952	2824	hesaphareketi-01.exe	37
PID 2824 wrote to memory of 1952	2824	hesaphareketi-01.exe	37
PID 2824 wrote to memory of 1952	2824	hesaphareketi-01.exe	37
PID 2824 wrote to memory of 1952	2824	hesaphareketi-01.exe	37
PID 2824 wrote to memory of 1952	2824	hesaphareketi-01.exe	37
PID 2824 wrote to memory of 1952	2824	hesaphareketi-01.exe	37
PID 2824 wrote to memory of 1952	2824	hesaphareketi-01.exe	37
PID 2824 wrote to memory of 1952	2824	hesaphareketi-01.exe	37

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
"C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2824
- 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\hesaphareketi-01.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2668
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WvaGpcFVX.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2744
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WvaGpcFVX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCC44.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2176
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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:1952

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

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpCC44.tmp

Filesize
1KB

MD5
32d57a1e92d22a717c0cf8c61c651e58

SHA1
f3dffb916501b15a932b9c142e3023154fb5bee4

SHA256
858a141a930752f03cff61bdba0ee97972b82437ae929641e13d7402ddae8f24

SHA512
43343dcc185a68c316ffd7019989158689652bc055ed21e7886f1e49a5036d905b386a15f65e01e8652767efc3f28d880aec4c8b8328d828d3eda49a0c6b5e64

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\WERPXTLK0GM5E8TB8O07.temp

Filesize
7KB

MD5
f5d90b864b497fad52ec815f707e73af

SHA1
93c1c536265ec09070154acb5f29fe4567c42e8d

SHA256
930b1ce0c0778f28c6097176f03b7f68280390ddb5e5366756316a99842e850b

SHA512
b011df88f6b88420434b791eab255bbe614048a7b6de795c4cdf8e57415ca5e024bf66e87085d39dc466ef083b01fe0282968c900953f76661302c990aa6ca6c

Download Submit
memory/1952-27-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1952-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1952-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1952-30-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1952-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1952-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1952-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1952-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2824-6-0x0000000000390000-0x00000000003F8000-memory.dmp

Filesize
416KB

Download
memory/2824-1-0x00000000008D0000-0x0000000000998000-memory.dmp

Filesize
800KB

Download
memory/2824-0-0x0000000073C3E000-0x0000000073C3F000-memory.dmp

Filesize
4KB

Download
memory/2824-2-0x0000000073C30000-0x000000007431E000-memory.dmp

Filesize
6.9MB

Download
memory/2824-3-0x0000000073C3E000-0x0000000073C3F000-memory.dmp

Filesize
4KB

Download
memory/2824-5-0x0000000000490000-0x00000000004AC000-memory.dmp

Filesize
112KB

Download
memory/2824-4-0x0000000073C30000-0x000000007431E000-memory.dmp

Filesize
6.9MB

Download
memory/2824-31-0x0000000073C30000-0x000000007431E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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