0155e34c5ad2f5661c5ebc2c6351ac2afe95246bf659e8cd0b0e1a7bffabc5de

Analysis

max time kernel
140s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2024, 12:33

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General

Target

bspcodecdl.exe
Size

544KB
MD5

0965e5e8afc4c984474b5b1ad69b28fd
SHA1

36c8c6365b1398f4ed865be894caac02148ca4a4
SHA256

3e08054cb9c02957425dacd7bf208ad48761c3e6b5ec273420ab8255188a90e2
SHA512

20bd03bdc0ce545deaf27241f1cf389d9337fc8bb32d24b9f3ffda5740c0a981665f2119c22e31f76489b3cec8399326dfed79cd6e0c2d97eba4b5838884aa2e
SSDEEP

12288:2Pb+K5vJtsAj8fsZlm0hAeRTitBsq81NPpw6Yr2Y4VkqD1o:Ubf5hKupLfRTitBsq85w3rcl5o

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral32/memory/3032-0-0x0000000000400000-0x000000000054F000-memory.dmp	upx
behavioral32/memory/4184-2-0x0000000000400000-0x00000000009FE000-memory.dmp	upx
behavioral32/memory/4184-3-0x0000000000400000-0x00000000009FE000-memory.dmp	upx
behavioral32/memory/4184-4-0x0000000000400000-0x00000000009FE000-memory.dmp	upx
behavioral32/memory/4184-6-0x0000000000400000-0x00000000009FE000-memory.dmp	upx
behavioral32/memory/4184-7-0x0000000000400000-0x00000000009FE000-memory.dmp	upx
behavioral32/memory/3032-8-0x0000000000400000-0x000000000054F000-memory.dmp	upx

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	bspcodecdl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bsplayer.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\BsCdcdlcteke-tmpkey	bspcodecdl.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\CLASSES\WOW6432NODE\CLSID\BSCDCDLCTEKE-TMPKEY	bspcodecdl.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4184	bsplayer.exe
4184	bsplayer.exe
4184	bsplayer.exe
4184	bsplayer.exe
4184	bsplayer.exe
4184	bsplayer.exe
4184	bsplayer.exe
4184	bsplayer.exe
4184	bsplayer.exe
4184	bsplayer.exe
4184	bsplayer.exe
4184	bsplayer.exe
4184	bsplayer.exe
4184	bsplayer.exe
4184	bsplayer.exe
4184	bsplayer.exe
4184	bsplayer.exe
4184	bsplayer.exe
4184	bsplayer.exe
4184	bsplayer.exe
4184	bsplayer.exe
4184	bsplayer.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3032	bspcodecdl.exe
Token: SeSecurityPrivilege	3032	bspcodecdl.exe
Token: SeLoadDriverPrivilege	3032	bspcodecdl.exe
Token: SeSystemProfilePrivilege	3032	bspcodecdl.exe
Token: SeSystemtimePrivilege	3032	bspcodecdl.exe
Token: SeProfSingleProcessPrivilege	3032	bspcodecdl.exe
Token: SeIncBasePriorityPrivilege	3032	bspcodecdl.exe
Token: SeCreatePagefilePrivilege	3032	bspcodecdl.exe
Token: SeShutdownPrivilege	3032	bspcodecdl.exe
Token: SeDebugPrivilege	3032	bspcodecdl.exe
Token: SeSystemEnvironmentPrivilege	3032	bspcodecdl.exe
Token: SeRemoteShutdownPrivilege	3032	bspcodecdl.exe
Token: SeUndockPrivilege	3032	bspcodecdl.exe
Token: SeManageVolumePrivilege	3032	bspcodecdl.exe
Token: 33	3032	bspcodecdl.exe
Token: 34	3032	bspcodecdl.exe
Token: 35	3032	bspcodecdl.exe
Token: 36	3032	bspcodecdl.exe
Token: SeIncreaseQuotaPrivilege	4184	bsplayer.exe
Token: SeSecurityPrivilege	4184	bsplayer.exe
Token: SeLoadDriverPrivilege	4184	bsplayer.exe
Token: SeSystemProfilePrivilege	4184	bsplayer.exe
Token: SeSystemtimePrivilege	4184	bsplayer.exe
Token: SeProfSingleProcessPrivilege	4184	bsplayer.exe
Token: SeIncBasePriorityPrivilege	4184	bsplayer.exe
Token: SeCreatePagefilePrivilege	4184	bsplayer.exe
Token: SeShutdownPrivilege	4184	bsplayer.exe
Token: SeDebugPrivilege	4184	bsplayer.exe
Token: SeSystemEnvironmentPrivilege	4184	bsplayer.exe
Token: SeRemoteShutdownPrivilege	4184	bsplayer.exe
Token: SeUndockPrivilege	4184	bsplayer.exe
Token: SeManageVolumePrivilege	4184	bsplayer.exe
Token: 33	4184	bsplayer.exe
Token: 34	4184	bsplayer.exe
Token: 35	4184	bsplayer.exe
Token: 36	4184	bsplayer.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3032	bspcodecdl.exe
4184	bsplayer.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 4184	3032	bspcodecdl.exe	82
PID 3032 wrote to memory of 4184	3032	bspcodecdl.exe	82
PID 3032 wrote to memory of 4184	3032	bspcodecdl.exe	82

C:\Users\Admin\AppData\Local\Temp\bspcodecdl.exe
"C:\Users\Admin\AppData\Local\Temp\bspcodecdl.exe"
1⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Users\Admin\AppData\Local\Temp\bsplayer.exe
  C:\Users\Admin\AppData\Local\Temp\bsplayer.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4184

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3032-0-0x0000000000400000-0x000000000054F000-memory.dmp

Filesize
1.3MB

Download
memory/3032-1-0x0000000000860000-0x0000000000861000-memory.dmp

Filesize
4KB

Download
memory/3032-8-0x0000000000400000-0x000000000054F000-memory.dmp

Filesize
1.3MB

Download
memory/3032-9-0x0000000000860000-0x0000000000861000-memory.dmp

Filesize
4KB

Download
memory/4184-2-0x0000000000400000-0x00000000009FE000-memory.dmp

Filesize
6.0MB

Download
memory/4184-3-0x0000000000400000-0x00000000009FE000-memory.dmp

Filesize
6.0MB

Download
memory/4184-4-0x0000000000400000-0x00000000009FE000-memory.dmp

Filesize
6.0MB

Download
memory/4184-6-0x0000000000400000-0x00000000009FE000-memory.dmp

Filesize
6.0MB

Download
memory/4184-7-0x0000000000400000-0x00000000009FE000-memory.dmp

Filesize
6.0MB

Download