79ea89088b8b3806ca84e19269dea76737a0f9daa5cf52de47b237139042286e

Analysis

max time kernel
142s
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
03-02-2024 15:10

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General

Target

8ca54d050387fe40a057c34107a50a20.exe
Size

14KB
MD5

8ca54d050387fe40a057c34107a50a20
SHA1

04417c6d66eca7b6807f35bfdaf221d0f4a9de05
SHA256

79ea89088b8b3806ca84e19269dea76737a0f9daa5cf52de47b237139042286e
SHA512

607bce03389ff3c27ffee05b6e02ffcbfd72b951f43245499c43587f2f85911826597def4eccfd14d81b8820479be38c8ab7596e3b5f5f614a69cc5260bec10f
SSDEEP

192:6EeslRm+xma6IxOg83hkv9OYLs90i5nMq3uA7F21wkquMMvr3irOUruuBFpXUCq:6I9x4Iog8+oGiB++FBcr3sxruuBFpH

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4740	ld08.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2892-0-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/2892-11-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/4740-10-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/files/0x0006000000023223-9.dat	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\sysldtray = "c:\\windows\\ld08.exe"	ld08.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\ld08.exe	8ca54d050387fe40a057c34107a50a20.exe
File created	\??\c:\windows\ld08.exe	8ca54d050387fe40a057c34107a50a20.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 4740	2892	8ca54d050387fe40a057c34107a50a20.exe	84
PID 2892 wrote to memory of 4740	2892	8ca54d050387fe40a057c34107a50a20.exe	84
PID 2892 wrote to memory of 4740	2892	8ca54d050387fe40a057c34107a50a20.exe	84
PID 2892 wrote to memory of 2500	2892	8ca54d050387fe40a057c34107a50a20.exe	85
PID 2892 wrote to memory of 2500	2892	8ca54d050387fe40a057c34107a50a20.exe	85
PID 2892 wrote to memory of 2500	2892	8ca54d050387fe40a057c34107a50a20.exe	85

C:\Users\Admin\AppData\Local\Temp\8ca54d050387fe40a057c34107a50a20.exe
"C:\Users\Admin\AppData\Local\Temp\8ca54d050387fe40a057c34107a50a20.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2892
- \??\c:\windows\ld08.exe
  c:\windows\ld08.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:4740
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c c:\487656.bat
  2⤵
  PID:2500

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

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Downloads

\??\c:\487656.bat

Filesize
236B

MD5
61cd9c12cf01c174ef85dc11303b2eac

SHA1
07ae3e3f18e6fbe198a3e2b28f0d8cb4e224d66a

SHA256
7f98a32a8a9f8b2f46c00473576813570f51166db805b71c7c043aa58e792b2d

SHA512
6269295505da37a4abf430d17849078b2249f354d163c52efcd8be6358b4a384985d714190b3ad8303ecf9a587ba3803271907487eb27ae0bf5fdf5c4853e9bf

Download Submit
\??\c:\windows\ld08.exe

Filesize
14KB

MD5
8ca54d050387fe40a057c34107a50a20

SHA1
04417c6d66eca7b6807f35bfdaf221d0f4a9de05

SHA256
79ea89088b8b3806ca84e19269dea76737a0f9daa5cf52de47b237139042286e

SHA512
607bce03389ff3c27ffee05b6e02ffcbfd72b951f43245499c43587f2f85911826597def4eccfd14d81b8820479be38c8ab7596e3b5f5f614a69cc5260bec10f

Download Submit
memory/2892-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2892-11-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4740-10-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads