snakekeylogger | 4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2

General

Target

zam.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/2708-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2708-31-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2708-30-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2708-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2708-26-0x0000000000400000-0x0000000000426000-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
2928	powershell.exe
2656	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\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
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\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 2416 set thread context of 2708	2416	zam.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zam.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2652	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2416	zam.exe
2928	powershell.exe
2656	powershell.exe
2416	zam.exe
2416	zam.exe
2416	zam.exe
2708	MSBuild.exe
2708	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2416	zam.exe
Token: SeDebugPrivilege	2928	powershell.exe
Token: SeDebugPrivilege	2656	powershell.exe
Token: SeDebugPrivilege	2708	MSBuild.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 2928	2416	zam.exe	31
PID 2416 wrote to memory of 2928	2416	zam.exe	31
PID 2416 wrote to memory of 2928	2416	zam.exe	31
PID 2416 wrote to memory of 2928	2416	zam.exe	31
PID 2416 wrote to memory of 2656	2416	zam.exe	33
PID 2416 wrote to memory of 2656	2416	zam.exe	33
PID 2416 wrote to memory of 2656	2416	zam.exe	33
PID 2416 wrote to memory of 2656	2416	zam.exe	33
PID 2416 wrote to memory of 2652	2416	zam.exe	35
PID 2416 wrote to memory of 2652	2416	zam.exe	35
PID 2416 wrote to memory of 2652	2416	zam.exe	35
PID 2416 wrote to memory of 2652	2416	zam.exe	35
PID 2416 wrote to memory of 2812	2416	zam.exe	37
PID 2416 wrote to memory of 2812	2416	zam.exe	37
PID 2416 wrote to memory of 2812	2416	zam.exe	37
PID 2416 wrote to memory of 2812	2416	zam.exe	37
PID 2416 wrote to memory of 2708	2416	zam.exe	38
PID 2416 wrote to memory of 2708	2416	zam.exe	38
PID 2416 wrote to memory of 2708	2416	zam.exe	38
PID 2416 wrote to memory of 2708	2416	zam.exe	38
PID 2416 wrote to memory of 2708	2416	zam.exe	38
PID 2416 wrote to memory of 2708	2416	zam.exe	38
PID 2416 wrote to memory of 2708	2416	zam.exe	38
PID 2416 wrote to memory of 2708	2416	zam.exe	38
PID 2416 wrote to memory of 2708	2416	zam.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\zam.exe
"C:\Users\Admin\AppData\Local\Temp\zam.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\Local\Temp\zam.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2928
- 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:2656
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HaNkyQWPIIzrnC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB18.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2652
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:2812
- 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:2708

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\tmpB18.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
e92873f094d8463b8dd1dcdeecec2520

SHA1
b56b81b4c67c168128d06bf54bd2b917d7192c86

SHA256
a94e8e8e985df3d4fe3b68b9a7e17549b8021015850926ad412e7a9ddcbc0d2a

SHA512
be41edde5f16d1bff6ed1f0694313642e0d6120a843ec99ddb3d059f4e24cfb653f24f4ab6d704d63ddea7c39e056040f27264cd179ac6324f6053b83938aa60

Download Submit
memory/2416-3-0x0000000005010000-0x00000000050C0000-memory.dmp

Filesize
704KB

Download
memory/2416-4-0x0000000000770000-0x000000000078C000-memory.dmp

Filesize
112KB

Download
memory/2416-0-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/2416-5-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/2416-6-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2416-7-0x00000000004F0000-0x0000000000558000-memory.dmp

Filesize
416KB

Download
memory/2416-2-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2416-1-0x00000000008A0000-0x0000000000958000-memory.dmp

Filesize
736KB

Download
memory/2416-32-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2708-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2708-22-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2708-31-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2708-30-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2708-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2708-28-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2708-26-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2708-25-0x0000000000400000-0x0000000000426000-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