055e54b1b9c3beb522bdc8e06889208de3b5e0a4b49e1b03857ca9edfe135402

General

Target

055e54b1b9c3beb522bdc8e06889208de3b5e0a4b49e1b03857ca9edfe135402.exe
Size

410KB
MD5

dd0b61d2fd38ad24d6d8ff9e711b54c3
SHA1

1f5953e4206e79d93f73663a769a386978713073
SHA256

055e54b1b9c3beb522bdc8e06889208de3b5e0a4b49e1b03857ca9edfe135402
SHA512

729b79d031d029856dbeef2f2db2b0c8376fbca4c98495534ce059f2c2552e424623588292e56d3ac49313599236a97934cf2d94ab39aad61f315b22ee7f45bc
SSDEEP

12288:TANnXCSMhREvGllZwrqY4OMGWvzLv0v/EJDqb:TAlyfN6tMGWvzLesJub

Score

9^/10

evasion

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	055e54b1b9c3beb522bdc8e06889208de3b5e0a4b49e1b03857ca9edfe135402.exe

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-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation	055e54b1b9c3beb522bdc8e06889208de3b5e0a4b49e1b03857ca9edfe135402.exe

Executes dropped EXE 1 IoCs

pid	Process
2156	s4943.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	s4943.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	s4943.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	s4943.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	s4943.exe
File opened for modification	C:\Windows\assembly	s4943.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2108	5068	WerFault.exe	88

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	055e54b1b9c3beb522bdc8e06889208de3b5e0a4b49e1b03857ca9edfe135402.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	055e54b1b9c3beb522bdc8e06889208de3b5e0a4b49e1b03857ca9edfe135402.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81\Blob = 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	s4943.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81\Blob = 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	s4943.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81	s4943.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5068	055e54b1b9c3beb522bdc8e06889208de3b5e0a4b49e1b03857ca9edfe135402.exe
5068	055e54b1b9c3beb522bdc8e06889208de3b5e0a4b49e1b03857ca9edfe135402.exe
2156	s4943.exe
2156	s4943.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2156	s4943.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2156	s4943.exe
2156	s4943.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5068 wrote to memory of 2156	5068	055e54b1b9c3beb522bdc8e06889208de3b5e0a4b49e1b03857ca9edfe135402.exe	92
PID 5068 wrote to memory of 2156	5068	055e54b1b9c3beb522bdc8e06889208de3b5e0a4b49e1b03857ca9edfe135402.exe	92

C:\Users\Admin\AppData\Local\Temp\055e54b1b9c3beb522bdc8e06889208de3b5e0a4b49e1b03857ca9edfe135402.exe
"C:\Users\Admin\AppData\Local\Temp\055e54b1b9c3beb522bdc8e06889208de3b5e0a4b49e1b03857ca9edfe135402.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks computer location settings
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5068
- C:\Users\Admin\AppData\Local\Temp\n4943\s4943.exe
  "C:\Users\Admin\AppData\Local\Temp\n4943\s4943.exe" ins.exe /u 51938065-e47c-4b97-bfda-2a105bc06f2f /e 8102204 /h 0423fa.api.socdn.com /v "C:\Users\Admin\AppData\Local\Temp\055e54b1b9c3beb522bdc8e06889208de3b5e0a4b49e1b03857ca9edfe135402.exe"
  2⤵
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Drops file in Windows directory
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2156
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 704
  2⤵
  - Program crash
  PID:2108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 5068 -ip 5068
1⤵
PID:2596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\n4943\s4943.exe

Filesize
288KB

MD5
13b3e3bb0757730a2442c8149381b458

SHA1
a2763fbed796d85942b68135a9da3879ab013782

SHA256
1c2576369f51175b1a71ac298e1caa0bd47adc30cb9aee10be9b3e464919ed6c

SHA512
32482cf75cbee6b366318896861839a20c854eeac41ce08fa0d1c0af765ff7596f52f7c164dd99c48bd899a7eeeae7119b92c62962a8a19022498fd8316af899

Download Submit
memory/2156-35-0x0000000001750000-0x0000000001760000-memory.dmp

Filesize
64KB

Download
memory/2156-43-0x00007FFBABE80000-0x00007FFBAC821000-memory.dmp

Filesize
9.6MB

Download
memory/2156-13-0x00007FFBABE80000-0x00007FFBAC821000-memory.dmp

Filesize
9.6MB

Download
memory/2156-14-0x0000000001750000-0x0000000001760000-memory.dmp

Filesize
64KB

Download
memory/2156-28-0x00000000018F0000-0x00000000018FA000-memory.dmp

Filesize
40KB

Download
memory/2156-31-0x000000001CDE0000-0x000000001D2AE000-memory.dmp

Filesize
4.8MB

Download
memory/2156-32-0x000000001D2B0000-0x000000001D34C000-memory.dmp

Filesize
624KB

Download
memory/2156-36-0x0000000001750000-0x0000000001760000-memory.dmp

Filesize
64KB

Download
memory/2156-46-0x00007FFBABE80000-0x00007FFBAC821000-memory.dmp

Filesize
9.6MB

Download
memory/2156-12-0x00007FFBABE80000-0x00007FFBAC821000-memory.dmp

Filesize
9.6MB

Download
memory/2156-33-0x0000000001900000-0x0000000001908000-memory.dmp

Filesize
32KB

Download
memory/2156-37-0x0000000020360000-0x00000000203C2000-memory.dmp

Filesize
392KB

Download
memory/2156-38-0x00000000209E0000-0x0000000020B1C000-memory.dmp

Filesize
1.2MB

Download
memory/2156-39-0x0000000021030000-0x000000002153E000-memory.dmp

Filesize
5.1MB

Download
memory/2156-34-0x0000000001750000-0x0000000001760000-memory.dmp

Filesize
64KB

Download
memory/2156-41-0x0000000021540000-0x0000000021640000-memory.dmp

Filesize
1024KB

Download
memory/2156-42-0x00007FFBABE80000-0x00007FFBAC821000-memory.dmp

Filesize
9.6MB

Download
memory/2156-44-0x0000000001750000-0x0000000001760000-memory.dmp

Filesize
64KB

Download
memory/5068-0-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/5068-40-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads