5acc6b81f60d552e955f4cb4e1fb825340bf75ac0923730eaff532aecd7689d8

Analysis

max time kernel
13s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 07:43

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General

Target

1273e6b2f68c1be047a6e1e3c2471e41.exe
Size

10KB
MD5

1273e6b2f68c1be047a6e1e3c2471e41
SHA1

8c2c47b73cf18571a8c961e3d5e2b81ed487e37b
SHA256

5acc6b81f60d552e955f4cb4e1fb825340bf75ac0923730eaff532aecd7689d8
SHA512

022cd6198becbae4c0b5bab85cba5bd8ce26909dfa8014e1a97b9b92a8791133fc15dc77b3ede142abb5316929fc1d6c71437238b47fc931022946cb199f815e
SSDEEP

192:Ryvj2H5QwZPhoMVBAbWPFO3+3y2El/mGBx27D7IgOGB/DO4E7T3Z:IyH5Qi5zAbWtGIOuOa/q4ut

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Executes dropped EXE 1 IoCs

pid	Process
4972	xpsbosk.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4596-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/4972-6-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/4596-9-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\xpsbosk.exe	1273e6b2f68c1be047a6e1e3c2471e41.exe
File opened for modification	C:\Windows\SysWOW64\xpsbosk.exe	1273e6b2f68c1be047a6e1e3c2471e41.exe
File created	C:\Windows\SysWOW64\xpsbos.dll	1273e6b2f68c1be047a6e1e3c2471e41.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4596	1273e6b2f68c1be047a6e1e3c2471e41.exe
4596	1273e6b2f68c1be047a6e1e3c2471e41.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 4972	4596	1273e6b2f68c1be047a6e1e3c2471e41.exe	92
PID 4596 wrote to memory of 4972	4596	1273e6b2f68c1be047a6e1e3c2471e41.exe	92
PID 4596 wrote to memory of 4972	4596	1273e6b2f68c1be047a6e1e3c2471e41.exe	92
PID 4596 wrote to memory of 1500	4596	1273e6b2f68c1be047a6e1e3c2471e41.exe	94
PID 4596 wrote to memory of 1500	4596	1273e6b2f68c1be047a6e1e3c2471e41.exe	94
PID 4596 wrote to memory of 1500	4596	1273e6b2f68c1be047a6e1e3c2471e41.exe	94

C:\Users\Admin\AppData\Local\Temp\1273e6b2f68c1be047a6e1e3c2471e41.exe
"C:\Users\Admin\AppData\Local\Temp\1273e6b2f68c1be047a6e1e3c2471e41.exe"
1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4596
- C:\Windows\SysWOW64\xpsbosk.exe
  C:\Windows\system32\xpsbosk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:4972
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\1273e6b2f68c1be047a6e1e3c2471e41.exe.bat
  2⤵
  PID:1500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4596-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4596-9-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4972-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download