snakekeylogger | 4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2

General

Target

4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe
Size

711KB
MD5

6ccd423abcf6bb68539f4c70419d6fc3
SHA1

450d3110f5eca86f20823b61a4ef43fe5f35edd4
SHA256

4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2
SHA512

7fc9ac53ab49470c812155ab184bb2e260de2b618492a8cfc507a7520a331327bdd553a639201da085324d8f2bbe8c9e9b20b4528f3b2e5f9aece323ad47d196
SSDEEP

12288:eEEH0GapWzLehoBHUsu4xifZ6R6auv2VLEN714g2OkvqHbFweV:XEH4pBhtHhm61uLEN7urSbFwe

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/2780-26-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2780-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2780-32-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2780-30-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2780-24-0x0000000000400000-0x0000000000426000-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
2864	powershell.exe
2736	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\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 2116 set thread context of 2780	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	38

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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.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
2800	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe
2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe
2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe
2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe
2780	MSBuild.exe
2864	powershell.exe
2736	powershell.exe
2780	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe
Token: SeDebugPrivilege	2780	MSBuild.exe
Token: SeDebugPrivilege	2864	powershell.exe
Token: SeDebugPrivilege	2736	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2864	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	31
PID 2116 wrote to memory of 2864	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	31
PID 2116 wrote to memory of 2864	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	31
PID 2116 wrote to memory of 2864	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	31
PID 2116 wrote to memory of 2736	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	33
PID 2116 wrote to memory of 2736	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	33
PID 2116 wrote to memory of 2736	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	33
PID 2116 wrote to memory of 2736	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	33
PID 2116 wrote to memory of 2800	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	34
PID 2116 wrote to memory of 2800	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	34
PID 2116 wrote to memory of 2800	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	34
PID 2116 wrote to memory of 2800	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	34
PID 2116 wrote to memory of 2712	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	37
PID 2116 wrote to memory of 2712	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	37
PID 2116 wrote to memory of 2712	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	37
PID 2116 wrote to memory of 2712	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	37
PID 2116 wrote to memory of 2780	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	38
PID 2116 wrote to memory of 2780	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	38
PID 2116 wrote to memory of 2780	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	38
PID 2116 wrote to memory of 2780	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	38
PID 2116 wrote to memory of 2780	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	38
PID 2116 wrote to memory of 2780	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	38
PID 2116 wrote to memory of 2780	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	38
PID 2116 wrote to memory of 2780	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	38
PID 2116 wrote to memory of 2780	2116	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	38

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe
"C:\Users\Admin\AppData\Local\Temp\4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2116
- 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\4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2864
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HaNkyQWPIIzrnC.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2736
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HaNkyQWPIIzrnC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF547.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2800
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:2712
- 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:2780

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\tmpF547.tmp

Filesize
1KB

MD5
108626340094ff8fb2c86ebea34d77b5

SHA1
c769b18c88ef8dfe5829162b47e8eecf0fd5a8e1

SHA256
35d01c0a8e620501bc214e5c5b51fc33be8bcf2ee3a03e8b3c95960732b4647a

SHA512
d13bc413a18c30e627fb9bff398db4a39f4ae16005b4756409b5da9d1565fc9d5034c8b5ec186f46fd2c8bfc169e8518a529e26f5352ec5852f85b76fb9e1ba3

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

Filesize
7KB

MD5
130c169d856a11980cf1023dc15c1648

SHA1
dde77c835a12d03473337b5ab8d90aef169049fc

SHA256
3c738cd69dd71bef1bb111fcee7ac851f94f6e93d94693e69128a4ae62cc8514

SHA512
fa8fe2030e38e47b02ef9ee4082b297a7af92ed74c5df81a8b56a430abbe57961fb42ed6b7185d61bcddb0b430004e6d19f4f4f0c466ee3d9dfe9512a7e58e67

Download Submit
memory/2116-4-0x0000000000470000-0x000000000048C000-memory.dmp

Filesize
112KB

Download
memory/2116-3-0x0000000005030000-0x00000000050E0000-memory.dmp

Filesize
704KB

Download
memory/2116-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2116-5-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2116-6-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2116-7-0x00000000003D0000-0x0000000000438000-memory.dmp

Filesize
416KB

Download
memory/2116-2-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2116-1-0x0000000000B60000-0x0000000000C18000-memory.dmp

Filesize
736KB

Download
memory/2116-33-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2780-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2780-32-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2780-30-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2780-28-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2780-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2780-22-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2780-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2780-26-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads