a444e2b7c6bb38ad76ed18be349777996bcb98cf37f8172e5eb1feef139e54ca

General

Target

CTM-付款指示完成通知支払指示通知_pdf.scr.exe
Size

459KB
MD5

db650ea11ec3e4d000a740e4eafa3524
SHA1

0d22673a25550fe5a6074d4a0e4413dcdea5ec2e
SHA256

a444e2b7c6bb38ad76ed18be349777996bcb98cf37f8172e5eb1feef139e54ca
SHA512

a854fcd7cb9f2e976d966b449b8f47e90fc1c49dfecd5aefff300b81db8f5db85bdb4daf620622b9668f7fefc9297b05a7ea9642c26af67ba1cbedb6cd0c194a
SSDEEP

3072:wvFtxuj3VvN30G9pNG442ZVYkKn7Gv2J8puSAAHRFzGWC3l1Fc6ExkEhcyEsKV15:wregGIIYLCpvrvqWQxqkE6RdVlZ8Vhn

Score

7^/10

collection

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	CTM-付款指示完成通知支払指示通知_pdf.scr.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4876 set thread context of 3052	4876	CTM-付款指示完成通知支払指示通知_pdf.scr.exe	101

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

System Information Discovery
T1082

Gathers network information 2 TTPs 2 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command-Line Interface

T1059

pid	Process
752	ipconfig.exe
3904	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4616	powershell.exe
4616	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4876	CTM-付款指示完成通知支払指示通知_pdf.scr.exe
Token: SeDebugPrivilege	4616	powershell.exe
Token: SeDebugPrivilege	3052	aspnet_compiler.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3052	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4876 wrote to memory of 844	4876	CTM-付款指示完成通知支払指示通知_pdf.scr.exe	88
PID 4876 wrote to memory of 844	4876	CTM-付款指示完成通知支払指示通知_pdf.scr.exe	88
PID 4876 wrote to memory of 844	4876	CTM-付款指示完成通知支払指示通知_pdf.scr.exe	88
PID 844 wrote to memory of 752	844	cmd.exe	90
PID 844 wrote to memory of 752	844	cmd.exe	90
PID 844 wrote to memory of 752	844	cmd.exe	90
PID 4876 wrote to memory of 4616	4876	CTM-付款指示完成通知支払指示通知_pdf.scr.exe	91
PID 4876 wrote to memory of 4616	4876	CTM-付款指示完成通知支払指示通知_pdf.scr.exe	91
PID 4876 wrote to memory of 4616	4876	CTM-付款指示完成通知支払指示通知_pdf.scr.exe	91
PID 4876 wrote to memory of 4816	4876	CTM-付款指示完成通知支払指示通知_pdf.scr.exe	98
PID 4876 wrote to memory of 4816	4876	CTM-付款指示完成通知支払指示通知_pdf.scr.exe	98
PID 4876 wrote to memory of 4816	4876	CTM-付款指示完成通知支払指示通知_pdf.scr.exe	98
PID 4816 wrote to memory of 3904	4816	cmd.exe	100
PID 4816 wrote to memory of 3904	4816	cmd.exe	100
PID 4816 wrote to memory of 3904	4816	cmd.exe	100
PID 4876 wrote to memory of 3052	4876	CTM-付款指示完成通知支払指示通知_pdf.scr.exe	101
PID 4876 wrote to memory of 3052	4876	CTM-付款指示完成通知支払指示通知_pdf.scr.exe	101
PID 4876 wrote to memory of 3052	4876	CTM-付款指示完成通知支払指示通知_pdf.scr.exe	101
PID 4876 wrote to memory of 3052	4876	CTM-付款指示完成通知支払指示通知_pdf.scr.exe	101
PID 4876 wrote to memory of 3052	4876	CTM-付款指示完成通知支払指示通知_pdf.scr.exe	101
PID 4876 wrote to memory of 3052	4876	CTM-付款指示完成通知支払指示通知_pdf.scr.exe	101
PID 4876 wrote to memory of 3052	4876	CTM-付款指示完成通知支払指示通知_pdf.scr.exe	101
PID 4876 wrote to memory of 3052	4876	CTM-付款指示完成通知支払指示通知_pdf.scr.exe	101

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

C:\Users\Admin\AppData\Local\Temp\CTM-付款指示完成通知支払指示通知_pdf.scr.exe
"C:\Users\Admin\AppData\Local\Temp\CTM-付款指示完成通知支払指示通知_pdf.scr.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4876
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ipconfig /release
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:844
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /release
    3⤵
    - Gathers network information
    PID:752
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAANAA3AA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4616
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ipconfig /renew
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4816
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /renew
    3⤵
    - Gathers network information
    PID:3904
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:3052

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xkjapvhx.ici.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3052-169-0x00000000050E0000-0x00000000050F0000-memory.dmp

Filesize
64KB

Download
memory/3052-168-0x00000000065C0000-0x0000000006610000-memory.dmp

Filesize
320KB

Download
memory/3052-167-0x0000000005D80000-0x0000000005D8A000-memory.dmp

Filesize
40KB

Download
memory/3052-166-0x0000000005AF0000-0x0000000005B82000-memory.dmp

Filesize
584KB

Download
memory/3052-165-0x0000000005D90000-0x0000000006334000-memory.dmp

Filesize
5.6MB

Download
memory/3052-164-0x00000000050E0000-0x00000000050F0000-memory.dmp

Filesize
64KB

Download
memory/3052-162-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/4616-137-0x0000000004930000-0x0000000004940000-memory.dmp

Filesize
64KB

Download
memory/4616-158-0x0000000004930000-0x0000000004940000-memory.dmp

Filesize
64KB

Download
memory/4616-151-0x0000000005D30000-0x0000000005D4E000-memory.dmp

Filesize
120KB

Download
memory/4616-152-0x0000000004930000-0x0000000004940000-memory.dmp

Filesize
64KB

Download
memory/4616-153-0x0000000007360000-0x00000000079DA000-memory.dmp

Filesize
6.5MB

Download
memory/4616-154-0x0000000006250000-0x000000000626A000-memory.dmp

Filesize
104KB

Download
memory/4616-136-0x0000000002750000-0x0000000002786000-memory.dmp

Filesize
216KB

Download
memory/4616-156-0x0000000004930000-0x0000000004940000-memory.dmp

Filesize
64KB

Download
memory/4616-157-0x0000000004930000-0x0000000004940000-memory.dmp

Filesize
64KB

Download
memory/4616-146-0x0000000005710000-0x0000000005776000-memory.dmp

Filesize
408KB

Download
memory/4616-140-0x0000000004EB0000-0x0000000004F16000-memory.dmp

Filesize
408KB

Download
memory/4616-138-0x0000000004F70000-0x0000000005598000-memory.dmp

Filesize
6.2MB

Download
memory/4616-139-0x0000000004930000-0x0000000004940000-memory.dmp

Filesize
64KB

Download
memory/4876-133-0x0000000000190000-0x0000000000208000-memory.dmp

Filesize
480KB

Download
memory/4876-155-0x0000000002560000-0x0000000002570000-memory.dmp

Filesize
64KB

Download
memory/4876-135-0x0000000005BF0000-0x0000000005C12000-memory.dmp

Filesize
136KB

Download
memory/4876-134-0x0000000002560000-0x0000000002570000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads