snakekeylogger | 03da1152cc2fc2bcfafc441c76ddcda09e4df84adb27bda9b267694b4a840cf7

General

Target

03da1152cc2fc2bcfafc441c76ddcda09e4df84adb27bda9b267694b4a840cf7.exe
Size

998KB
MD5

04a2cce147e8b29d89ef24af80d493ce
SHA1

5e24a62c496a9726bb924c1bb0f3b5e33963b0c6
SHA256

03da1152cc2fc2bcfafc441c76ddcda09e4df84adb27bda9b267694b4a840cf7
SHA512

5c623045f3b388f150fe1659d55da24d89c35aef09d74a3a5fc90431608241213c9e9a64af118cc1caf1601a3effb1fb572d1c98c2c6695db1349e54fb2e1b22
SSDEEP

24576:+u6J33O0c+JY5UZ+XC0kGso6Faei2PbeZqC/pO0WY:Qu0c++OCvkGs9FaeTP6MY

Score

10^/10

snakekeylogger discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7767004773:AAG_mBqrFYZNr81F28ktwLAJ3brPq5BTRzg/sendMessage?chat_id=1217600190

Signatures

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

Snake Keylogger payload 4 IoCs

resource	yara_rule
behavioral1/memory/2696-22-0x0000000000090000-0x00000000000B6000-memory.dmp	family_snakekeylogger
behavioral1/memory/2696-31-0x0000000000090000-0x00000000000B6000-memory.dmp	family_snakekeylogger
behavioral1/memory/2696-28-0x0000000000090000-0x00000000000B6000-memory.dmp	family_snakekeylogger
behavioral1/memory/2696-24-0x0000000000090000-0x00000000000B6000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\biopsies.vbs	biopsies.exe

Executes dropped EXE 1 IoCs

pid	Process
2764	biopsies.exe

Loads dropped DLL 1 IoCs

pid	Process
2436	03da1152cc2fc2bcfafc441c76ddcda09e4df84adb27bda9b267694b4a840cf7.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x000700000001707f-8.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 2696	2764	biopsies.exe	32

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	03da1152cc2fc2bcfafc441c76ddcda09e4df84adb27bda9b267694b4a840cf7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biopsies.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2696	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2764	biopsies.exe
2764	biopsies.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2696	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2436	03da1152cc2fc2bcfafc441c76ddcda09e4df84adb27bda9b267694b4a840cf7.exe
2436	03da1152cc2fc2bcfafc441c76ddcda09e4df84adb27bda9b267694b4a840cf7.exe
2764	biopsies.exe
2764	biopsies.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2436	03da1152cc2fc2bcfafc441c76ddcda09e4df84adb27bda9b267694b4a840cf7.exe
2436	03da1152cc2fc2bcfafc441c76ddcda09e4df84adb27bda9b267694b4a840cf7.exe
2764	biopsies.exe
2764	biopsies.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 2764	2436	03da1152cc2fc2bcfafc441c76ddcda09e4df84adb27bda9b267694b4a840cf7.exe	31
PID 2436 wrote to memory of 2764	2436	03da1152cc2fc2bcfafc441c76ddcda09e4df84adb27bda9b267694b4a840cf7.exe	31
PID 2436 wrote to memory of 2764	2436	03da1152cc2fc2bcfafc441c76ddcda09e4df84adb27bda9b267694b4a840cf7.exe	31
PID 2436 wrote to memory of 2764	2436	03da1152cc2fc2bcfafc441c76ddcda09e4df84adb27bda9b267694b4a840cf7.exe	31
PID 2764 wrote to memory of 2696	2764	biopsies.exe	32
PID 2764 wrote to memory of 2696	2764	biopsies.exe	32
PID 2764 wrote to memory of 2696	2764	biopsies.exe	32
PID 2764 wrote to memory of 2696	2764	biopsies.exe	32
PID 2764 wrote to memory of 2696	2764	biopsies.exe	32
PID 2764 wrote to memory of 2696	2764	biopsies.exe	32
PID 2764 wrote to memory of 2696	2764	biopsies.exe	32
PID 2764 wrote to memory of 2696	2764	biopsies.exe	32
PID 2696 wrote to memory of 3064	2696	RegSvcs.exe	33
PID 2696 wrote to memory of 3064	2696	RegSvcs.exe	33
PID 2696 wrote to memory of 3064	2696	RegSvcs.exe	33
PID 2696 wrote to memory of 3064	2696	RegSvcs.exe	33
PID 3064 wrote to memory of 1756	3064	cmd.exe	35
PID 3064 wrote to memory of 1756	3064	cmd.exe	35
PID 3064 wrote to memory of 1756	3064	cmd.exe	35
PID 3064 wrote to memory of 1756	3064	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\03da1152cc2fc2bcfafc441c76ddcda09e4df84adb27bda9b267694b4a840cf7.exe
"C:\Users\Admin\AppData\Local\Temp\03da1152cc2fc2bcfafc441c76ddcda09e4df84adb27bda9b267694b4a840cf7.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Users\Admin\AppData\Local\Maianthemum\biopsies.exe
  "C:\Users\Admin\AppData\Local\Temp\03da1152cc2fc2bcfafc441c76ddcda09e4df84adb27bda9b267694b4a840cf7.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2764
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\03da1152cc2fc2bcfafc441c76ddcda09e4df84adb27bda9b267694b4a840cf7.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2696
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3064
    - - C:\Windows\SysWOW64\choice.exe
        
        choice /C Y /N /D Y /T 3
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:1756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Maianthemum\biopsies.exe

Filesize
998KB

MD5
04a2cce147e8b29d89ef24af80d493ce

SHA1
5e24a62c496a9726bb924c1bb0f3b5e33963b0c6

SHA256
03da1152cc2fc2bcfafc441c76ddcda09e4df84adb27bda9b267694b4a840cf7

SHA512
5c623045f3b388f150fe1659d55da24d89c35aef09d74a3a5fc90431608241213c9e9a64af118cc1caf1601a3effb1fb572d1c98c2c6695db1349e54fb2e1b22

Download Submit
memory/2436-6-0x0000000000760000-0x0000000000B60000-memory.dmp

Filesize
4.0MB

Download
memory/2696-33-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2696-22-0x0000000000090000-0x00000000000B6000-memory.dmp

Filesize
152KB

Download
memory/2696-31-0x0000000000090000-0x00000000000B6000-memory.dmp

Filesize
152KB

Download
memory/2696-28-0x0000000000090000-0x00000000000B6000-memory.dmp

Filesize
152KB

Download
memory/2696-24-0x0000000000090000-0x00000000000B6000-memory.dmp

Filesize
152KB

Download
memory/2696-32-0x000000007429E000-0x000000007429F000-memory.dmp

Filesize
4KB

Download
memory/2696-34-0x000000007429E000-0x000000007429F000-memory.dmp

Filesize
4KB

Download
memory/2696-35-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2696-36-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2764-20-0x0000000001010000-0x0000000001410000-memory.dmp

Filesize
4.0MB

Download

Analysis

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