83c926c93e0f6d4f0a6d2a9a862be959dd2fe0f324ec49adce52bd910bf24237

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 07:28

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2d65ea715f66790da8fda014c4477971.exe
Size

12KB
MD5

2d65ea715f66790da8fda014c4477971
SHA1

823d1e5e23ff249e0976217cbb142659b5074bc9
SHA256

83c926c93e0f6d4f0a6d2a9a862be959dd2fe0f324ec49adce52bd910bf24237
SHA512

2eb885e66afe5cf65140acb0f085464f35b690b35bea9a68d2bc069ce36007042fb4ab252ad18e71b7376c9465115da67306a8832e8639b516dab4987ddd5581
SSDEEP

192:vSae1PMLcWP8dmslv6MEcU1i3XDnDYxt8Y80f1oq49EyNcIzz:vSaexdLk1tcjDcB8Ei9zd

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
1928	xsiscok.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2900-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/1928-7-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/2900-6-0x0000000000400000-0x0000000000410000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\xsisco.dll	2d65ea715f66790da8fda014c4477971.exe
File created	C:\Windows\SysWOW64\xsiscok.exe	2d65ea715f66790da8fda014c4477971.exe
File opened for modification	C:\Windows\SysWOW64\xsiscok.exe	2d65ea715f66790da8fda014c4477971.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 1928	2900	2d65ea715f66790da8fda014c4477971.exe	20
PID 2900 wrote to memory of 1928	2900	2d65ea715f66790da8fda014c4477971.exe	20
PID 2900 wrote to memory of 1928	2900	2d65ea715f66790da8fda014c4477971.exe	20
PID 2900 wrote to memory of 2328	2900	2d65ea715f66790da8fda014c4477971.exe	103
PID 2900 wrote to memory of 2328	2900	2d65ea715f66790da8fda014c4477971.exe	103
PID 2900 wrote to memory of 2328	2900	2d65ea715f66790da8fda014c4477971.exe	103

C:\Users\Admin\AppData\Local\Temp\2d65ea715f66790da8fda014c4477971.exe
"C:\Users\Admin\AppData\Local\Temp\2d65ea715f66790da8fda014c4477971.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2900
- C:\Windows\SysWOW64\xsiscok.exe
  C:\Windows\system32\xsiscok.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:1928
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\2d65ea715f66790da8fda014c4477971.exe.bat
  2⤵
  PID:2328

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

Loading Replay Monitor...

Downloads

memory/1928-7-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2900-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2900-6-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download