snakekeylogger | 39257214a0020bf1450ed0ce8ffa5fd51af77493a7c757beb15935fee28aeed6

General

Target

PO_20248099-1 12,300PCS.exe
Size

523KB
MD5

5db9f3f1609f4cd4df6f627977d09fd7
SHA1

90bf0d85af20f8b712ea7e1fd9724e1ecb16589b
SHA256

ea08961190b8399e21cfb503fcbb3caee0a5ab92294311bda03b7e511ece876b
SHA512

03d708bf0d82863b667a3f91e284262ba58286580ad7214e0ec1008aba1760b21f3f518ffc7dc049887b2d099ecc0e92fc4a639f8811317fc535eae4c43659ef
SSDEEP

12288:FlEEFet43oFyro4IZ/kHT7R6GJ9i/LH+F+KawP:Fnot43oFyoJZ/kHT7R6gz+Ka

Score

10^/10

snakekeylogger collection credential_access discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7196633070:AAEaQuZOF5M-L_385uI9rwN0ik3yySrTapE/sendMessage?chat_id=1343335992

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/596-31-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/596-30-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/596-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/596-26-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/596-24-0x0000000000400000-0x0000000000426000-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
2392	powershell.exe
2728	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 2 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO_20248099-1 12,300PCS.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO_20248099-1 12,300PCS.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO_20248099-1 12,300PCS.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 1696 set thread context of 596	1696	PO_20248099-1 12,300PCS.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	PO_20248099-1 12,300PCS.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	PO_20248099-1 12,300PCS.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
2748	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1696	PO_20248099-1 12,300PCS.exe
1696	PO_20248099-1 12,300PCS.exe
596	PO_20248099-1 12,300PCS.exe
2392	powershell.exe
2728	powershell.exe
596	PO_20248099-1 12,300PCS.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1696	PO_20248099-1 12,300PCS.exe
Token: SeDebugPrivilege	596	PO_20248099-1 12,300PCS.exe
Token: SeDebugPrivilege	2728	powershell.exe
Token: SeDebugPrivilege	2392	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 2392	1696	PO_20248099-1 12,300PCS.exe	31
PID 1696 wrote to memory of 2392	1696	PO_20248099-1 12,300PCS.exe	31
PID 1696 wrote to memory of 2392	1696	PO_20248099-1 12,300PCS.exe	31
PID 1696 wrote to memory of 2392	1696	PO_20248099-1 12,300PCS.exe	31
PID 1696 wrote to memory of 2728	1696	PO_20248099-1 12,300PCS.exe	33
PID 1696 wrote to memory of 2728	1696	PO_20248099-1 12,300PCS.exe	33
PID 1696 wrote to memory of 2728	1696	PO_20248099-1 12,300PCS.exe	33
PID 1696 wrote to memory of 2728	1696	PO_20248099-1 12,300PCS.exe	33
PID 1696 wrote to memory of 2748	1696	PO_20248099-1 12,300PCS.exe	34
PID 1696 wrote to memory of 2748	1696	PO_20248099-1 12,300PCS.exe	34
PID 1696 wrote to memory of 2748	1696	PO_20248099-1 12,300PCS.exe	34
PID 1696 wrote to memory of 2748	1696	PO_20248099-1 12,300PCS.exe	34
PID 1696 wrote to memory of 596	1696	PO_20248099-1 12,300PCS.exe	37
PID 1696 wrote to memory of 596	1696	PO_20248099-1 12,300PCS.exe	37
PID 1696 wrote to memory of 596	1696	PO_20248099-1 12,300PCS.exe	37
PID 1696 wrote to memory of 596	1696	PO_20248099-1 12,300PCS.exe	37
PID 1696 wrote to memory of 596	1696	PO_20248099-1 12,300PCS.exe	37
PID 1696 wrote to memory of 596	1696	PO_20248099-1 12,300PCS.exe	37
PID 1696 wrote to memory of 596	1696	PO_20248099-1 12,300PCS.exe	37
PID 1696 wrote to memory of 596	1696	PO_20248099-1 12,300PCS.exe	37
PID 1696 wrote to memory of 596	1696	PO_20248099-1 12,300PCS.exe	37

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO_20248099-1 12,300PCS.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO_20248099-1 12,300PCS.exe

C:\Users\Admin\AppData\Local\Temp\PO_20248099-1 12,300PCS.exe
"C:\Users\Admin\AppData\Local\Temp\PO_20248099-1 12,300PCS.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1696
- 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\PO_20248099-1 12,300PCS.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2392
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UIYZnHxR.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2728
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UIYZnHxR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp119D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2748
- C:\Users\Admin\AppData\Local\Temp\PO_20248099-1 12,300PCS.exe
  "C:\Users\Admin\AppData\Local\Temp\PO_20248099-1 12,300PCS.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:596

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

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\tmp119D.tmp

Filesize
1KB

MD5
6c9fde3fad7c1be465cbb3ee37cc3377

SHA1
8e131cedc4e602b1bb8387c28669194479918112

SHA256
164f99ce1e72cdff780ba5ef016b64796c497d1515e888cce790f70b36166cc0

SHA512
3eeb6cf5b2e91a4915a8a8f16d6a22b8a75489c299160ec3040c78cacf6a00d76c595fe0380540e9d4e1051feee6f78496b833170b31f217744c7aa42b57ada9

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

Filesize
7KB

MD5
e5ebcfb8e2c8d281c7b93a8db4a0ac23

SHA1
11fe7801ffe3130f27aa5be42f2d484758d32c2d

SHA256
eff936279b29b36ecd1452b3b0976d14da65fb87ca8484f9c5c56e236317b044

SHA512
7e46bc73355b72b10e46203c9e177f242d0119b62eb858262eeb6c7b02544d596db712781d7061246465e4d638102e3fa070493c7fcff32df5f076b5123f110f

Download Submit
memory/596-30-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/596-26-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/596-22-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/596-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/596-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/596-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/596-31-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/596-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1696-1-0x0000000000D30000-0x0000000000DB8000-memory.dmp

Filesize
544KB

Download
memory/1696-2-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/1696-0-0x00000000745AE000-0x00000000745AF000-memory.dmp

Filesize
4KB

Download
memory/1696-7-0x00000000050D0000-0x0000000005138000-memory.dmp

Filesize
416KB

Download
memory/1696-6-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/1696-3-0x0000000004CA0000-0x0000000004D1E000-memory.dmp

Filesize
504KB

Download
memory/1696-5-0x00000000745AE000-0x00000000745AF000-memory.dmp

Filesize
4KB

Download
memory/1696-4-0x0000000000640000-0x0000000000650000-memory.dmp

Filesize
64KB

Download
memory/1696-32-0x00000000745A0000-0x0000000074C8E000-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