b5bfd32a0fbf01c39a49f50d858a9daa525855d39ff170ccddcbd9cb3cdb9d86

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-01-2025 18:04

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General

Target

b5bfd32a0fbf01c39a49f50d858a9daa525855d39ff170ccddcbd9cb3cdb9d86.exe
Size

2.2MB
MD5

db8eb286d9dd8162bfbcdf070e9ca2fb
SHA1

188b461cb5bcf510f69937b45ceb703b83906a86
SHA256

b5bfd32a0fbf01c39a49f50d858a9daa525855d39ff170ccddcbd9cb3cdb9d86
SHA512

5ef01b0b3b119fcfd40e23e8501ecd70f4b3bf9c44dd49bcc1533503a63172732bd408ed794d4876465c7bdf7b3321663403d0432fd8d3737957c811d9958757
SSDEEP

24576:0UzNkyrbtjbGixCOPKH2I1iIWILtfOIJ+HKodCHPC0cF3u7P1+eWQ8f/x52vHNZf:0UzeyQMS4DqodCnoe+iitjWwwj

Score

7^/10

discovery

Malware Config

Signatures

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b5bfd32a0fbf01c39a49f50d858a9daa525855d39ff170ccddcbd9cb3cdb9d86.exe	b5bfd32a0fbf01c39a49f50d858a9daa525855d39ff170ccddcbd9cb3cdb9d86.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b5bfd32a0fbf01c39a49f50d858a9daa525855d39ff170ccddcbd9cb3cdb9d86.exe	b5bfd32a0fbf01c39a49f50d858a9daa525855d39ff170ccddcbd9cb3cdb9d86.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4188 set thread context of 4524	4188	b5bfd32a0fbf01c39a49f50d858a9daa525855d39ff170ccddcbd9cb3cdb9d86.exe	101

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Parameters.ini	b5bfd32a0fbf01c39a49f50d858a9daa525855d39ff170ccddcbd9cb3cdb9d86.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b5bfd32a0fbf01c39a49f50d858a9daa525855d39ff170ccddcbd9cb3cdb9d86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b5bfd32a0fbf01c39a49f50d858a9daa525855d39ff170ccddcbd9cb3cdb9d86.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4524	b5bfd32a0fbf01c39a49f50d858a9daa525855d39ff170ccddcbd9cb3cdb9d86.exe
4524	b5bfd32a0fbf01c39a49f50d858a9daa525855d39ff170ccddcbd9cb3cdb9d86.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4188 wrote to memory of 1204	4188	b5bfd32a0fbf01c39a49f50d858a9daa525855d39ff170ccddcbd9cb3cdb9d86.exe	85
PID 4188 wrote to memory of 1204	4188	b5bfd32a0fbf01c39a49f50d858a9daa525855d39ff170ccddcbd9cb3cdb9d86.exe	85
PID 4188 wrote to memory of 4524	4188	b5bfd32a0fbf01c39a49f50d858a9daa525855d39ff170ccddcbd9cb3cdb9d86.exe	101
PID 4188 wrote to memory of 4524	4188	b5bfd32a0fbf01c39a49f50d858a9daa525855d39ff170ccddcbd9cb3cdb9d86.exe	101
PID 4188 wrote to memory of 4524	4188	b5bfd32a0fbf01c39a49f50d858a9daa525855d39ff170ccddcbd9cb3cdb9d86.exe	101
PID 4188 wrote to memory of 4524	4188	b5bfd32a0fbf01c39a49f50d858a9daa525855d39ff170ccddcbd9cb3cdb9d86.exe	101
PID 4188 wrote to memory of 4524	4188	b5bfd32a0fbf01c39a49f50d858a9daa525855d39ff170ccddcbd9cb3cdb9d86.exe	101

C:\Users\Admin\AppData\Local\Temp\b5bfd32a0fbf01c39a49f50d858a9daa525855d39ff170ccddcbd9cb3cdb9d86.exe
"C:\Users\Admin\AppData\Local\Temp\b5bfd32a0fbf01c39a49f50d858a9daa525855d39ff170ccddcbd9cb3cdb9d86.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4188
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1204
- C:\Users\Admin\AppData\Local\Temp\b5bfd32a0fbf01c39a49f50d858a9daa525855d39ff170ccddcbd9cb3cdb9d86.exe
  "C:\Users\Admin\AppData\Local\Temp\b5bfd32a0fbf01c39a49f50d858a9daa525855d39ff170ccddcbd9cb3cdb9d86.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4524

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:4860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\Parameters.ini

Filesize
74B

MD5
6687785d6a31cdf9a5f80acb3abc459b

SHA1
1ddda26cc18189770eaaa4a9e78cc4abe4fe39c9

SHA256
3b5ebe1c6d4d33c14e5f2ca735fc085759f47895ea90192999a22a035c7edc9b

SHA512
5fe9429d64ee6fe0d3698cabb39757729b48d525500afa5f073d69f14f791c8aa2bc7ce0467d48d66fc58d894983391022c59035fa67703fefd309ec4a5d9962

Download Submit
memory/4188-0-0x0000000002490000-0x0000000002491000-memory.dmp

Filesize
4KB

Download
memory/4188-17-0x0000000002490000-0x0000000002491000-memory.dmp

Filesize
4KB

Download
memory/4188-16-0x0000000000400000-0x00000000005D3000-memory.dmp

Filesize
1.8MB

Download
memory/4188-23-0x0000000000400000-0x00000000005D3000-memory.dmp

Filesize
1.8MB

Download
memory/4524-19-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/4524-20-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/4524-27-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download