488385cd54d14790b03fa7c7dc997ebea3f7b2a8499e5927eb437a3791102a77

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
29-06-2024 12:06

Target

Freshbuild.exe
Size

415KB
MD5

07101cac5b9477ba636cd8ca7b9932cb
SHA1

59ea7fd9ae6ded8c1b7240a4bf9399b4eb3849f1
SHA256

488385cd54d14790b03fa7c7dc997ebea3f7b2a8499e5927eb437a3791102a77
SHA512

02240ff51a74966bc31cfcc901105096eb871f588efaa9be1a829b4ee6f245bd9dca37be7e2946ba6315feea75c3dce5f490847250e62081445cd25b0f406887
SSDEEP

12288:5fSPtGpmLb84Jjzo6yrBuKuJ+ITOC0Ud:UtGpmf8edykhV0Ud

Score

7^/10

Executes dropped EXE 1 IoCs

Processes:

Hkbsse.exe

pid process

2972 Hkbsse.exe
Loads dropped DLL 1 IoCs

Processes:

Freshbuild.exe

pid process

1740 Freshbuild.exe
Drops file in Windows directory 1 IoCs

Processes:

Freshbuild.exe

description ioc process

File created C:\Windows\Tasks\Hkbsse.job Freshbuild.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

Freshbuild.exe

pid process

1740 Freshbuild.exe

pid	process
2972	Hkbsse.exe

pid	process
1740	Freshbuild.exe

description	ioc	process
File created	C:\Windows\Tasks\Hkbsse.job	Freshbuild.exe

pid	process
1740	Freshbuild.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

Freshbuild.exe

description	pid	process	target process
PID 1740 wrote to memory of 2972	1740	Freshbuild.exe	Hkbsse.exe
PID 1740 wrote to memory of 2972	1740	Freshbuild.exe	Hkbsse.exe
PID 1740 wrote to memory of 2972	1740	Freshbuild.exe	Hkbsse.exe
PID 1740 wrote to memory of 2972	1740	Freshbuild.exe	Hkbsse.exe

C:\Users\Admin\AppData\Local\Temp\b66a8ae076\Hkbsse.exe
"C:\Users\Admin\AppData\Local\Temp\b66a8ae076\Hkbsse.exe"
2⤵
- Executes dropped EXE
PID:2972

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

C:\Users\Admin\AppData\Local\Temp\b66a8ae076\Hkbsse.exe
Filesize
415KB

MD5
07101cac5b9477ba636cd8ca7b9932cb

SHA1
59ea7fd9ae6ded8c1b7240a4bf9399b4eb3849f1

SHA256
488385cd54d14790b03fa7c7dc997ebea3f7b2a8499e5927eb437a3791102a77

SHA512
02240ff51a74966bc31cfcc901105096eb871f588efaa9be1a829b4ee6f245bd9dca37be7e2946ba6315feea75c3dce5f490847250e62081445cd25b0f406887

Download Submit
memory/1740-1-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download