dfa4b25bb9a1534192d30dc3f10acd6a72c21a36bfaecae14c5d7a22dff88fd5

Analysis

max time kernel
46s
max time network
144s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
07/02/2023, 16:56

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General

Target
Roqwnrsun.exe
Size 6KB
Sample230207-vfpblscg45
SHA256 dfa4b25bb9a1534192d30dc3f10acd6a72c21a36bfaecae14c5d7a22dff88fd5
MD5 1d261c332666240f0713f05e3b92de0d
SHA1 7f95ea4fbb56c5286d9016a4bcd156ba0425f814
SHA512 1853cb78443c92e27a14f958d3a2f790b477f170868a6c25fbe5946a71cb4a5e41c129f949af7320bf87a6f1ef0ba396a94ae183d534572c9956cf2d7dacd0d6
SSDEEP 96:JpG2OqkYgoVnGMDr0hZt2UJKtEk+Mx9JbFnU:1OfoVG5h1Kz+MrQ
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

collection

Malware Config

Signatures

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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
6	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1516 set thread context of 452	1516	Roqwnrsun.exe	32

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1820	powershell.exe
1516	Roqwnrsun.exe
1516	Roqwnrsun.exe
1516	Roqwnrsun.exe
452	MSBuild.exe
452	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1516	Roqwnrsun.exe
Token: SeDebugPrivilege	1820	powershell.exe
Token: SeDebugPrivilege	452	MSBuild.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 1820	1516	Roqwnrsun.exe	27
PID 1516 wrote to memory of 1820	1516	Roqwnrsun.exe	27
PID 1516 wrote to memory of 1820	1516	Roqwnrsun.exe	27
PID 1516 wrote to memory of 1820	1516	Roqwnrsun.exe	27
PID 1516 wrote to memory of 1344	1516	Roqwnrsun.exe	29
PID 1516 wrote to memory of 1344	1516	Roqwnrsun.exe	29
PID 1516 wrote to memory of 1344	1516	Roqwnrsun.exe	29
PID 1516 wrote to memory of 1344	1516	Roqwnrsun.exe	29
PID 1516 wrote to memory of 2024	1516	Roqwnrsun.exe	30
PID 1516 wrote to memory of 2024	1516	Roqwnrsun.exe	30
PID 1516 wrote to memory of 2024	1516	Roqwnrsun.exe	30
PID 1516 wrote to memory of 2024	1516	Roqwnrsun.exe	30
PID 1516 wrote to memory of 872	1516	Roqwnrsun.exe	31
PID 1516 wrote to memory of 872	1516	Roqwnrsun.exe	31
PID 1516 wrote to memory of 872	1516	Roqwnrsun.exe	31
PID 1516 wrote to memory of 872	1516	Roqwnrsun.exe	31
PID 1516 wrote to memory of 452	1516	Roqwnrsun.exe	32
PID 1516 wrote to memory of 452	1516	Roqwnrsun.exe	32
PID 1516 wrote to memory of 452	1516	Roqwnrsun.exe	32
PID 1516 wrote to memory of 452	1516	Roqwnrsun.exe	32
PID 1516 wrote to memory of 452	1516	Roqwnrsun.exe	32
PID 1516 wrote to memory of 452	1516	Roqwnrsun.exe	32
PID 1516 wrote to memory of 452	1516	Roqwnrsun.exe	32
PID 1516 wrote to memory of 452	1516	Roqwnrsun.exe	32
PID 1516 wrote to memory of 452	1516	Roqwnrsun.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Roqwnrsun.exe
"C:\Users\Admin\AppData\Local\Temp\Roqwnrsun.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1820
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  PID:1344
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  PID:2024
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  PID:872
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:452

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/452-66-0x0000000000400000-0x0000000000458000-memory.dmp

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memory/452-74-0x0000000000400000-0x0000000000458000-memory.dmp

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memory/452-72-0x0000000000400000-0x0000000000458000-memory.dmp

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memory/452-69-0x0000000000400000-0x0000000000458000-memory.dmp

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memory/452-68-0x0000000000400000-0x0000000000458000-memory.dmp

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memory/452-64-0x0000000000400000-0x0000000000458000-memory.dmp

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memory/452-63-0x0000000000400000-0x0000000000458000-memory.dmp

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memory/1516-55-0x0000000075111000-0x0000000075113000-memory.dmp

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memory/1516-54-0x0000000000ED0000-0x0000000000ED8000-memory.dmp

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memory/1516-57-0x0000000000BD0000-0x0000000000BFE000-memory.dmp

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memory/1516-56-0x0000000005A50000-0x0000000005B16000-memory.dmp

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memory/1820-62-0x000000006EC80000-0x000000006F22B000-memory.dmp

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memory/1820-61-0x000000006EC80000-0x000000006F22B000-memory.dmp

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memory/1820-60-0x000000006EC80000-0x000000006F22B000-memory.dmp

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