867d0c72439bab748a559bd1b7bed3be2aa39fc44ad2c4ff0b56c2f4753222ff

Analysis

max time kernel
120s
max time network
59s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12/09/2024, 00:57

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General

Target

95b0d03bc4d26ea0807cb0c4641f5930N.exe
Size

102KB
MD5

95b0d03bc4d26ea0807cb0c4641f5930
SHA1

fef9dea05244afc84a22bcda36c076c7d18b0d83
SHA256

867d0c72439bab748a559bd1b7bed3be2aa39fc44ad2c4ff0b56c2f4753222ff
SHA512

01085cdabcb94df8f1ef41cb7a4ecc606ee55b3c2f1e065ec97e49f64c2b29adcf7d4c8323d89c8f8cd357470a72caa756a555e66f73bdb849d9776a7b96972e
SSDEEP

3072:xFphTfm1UC7AdYzrV+Dljy/32ubwZZqJ:FhTfmuCkdYzrVolu/J0ZZ

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
1028	WindowsService.exe
2868	WindowsService.exe
3524	WindowsService.exe

Loads dropped DLL 5 IoCs

pid	Process
2796	95b0d03bc4d26ea0807cb0c4641f5930N.exe
2796	95b0d03bc4d26ea0807cb0c4641f5930N.exe
2796	95b0d03bc4d26ea0807cb0c4641f5930N.exe
2796	95b0d03bc4d26ea0807cb0c4641f5930N.exe
2796	95b0d03bc4d26ea0807cb0c4641f5930N.exe

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1976-0-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral1/memory/1976-4-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral1/memory/1976-156-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral1/memory/1976-119-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral1/memory/1976-82-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral1/memory/1976-81-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral1/memory/1976-451-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral1/memory/2796-454-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x002c000000018cf2-477.dat	upx
behavioral1/memory/2796-484-0x00000000029F0000-0x0000000002A2B000-memory.dmp	upx
behavioral1/memory/2796-486-0x0000000002A00000-0x0000000002A3B000-memory.dmp	upx
behavioral1/memory/2796-497-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1028-503-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral1/memory/2796-1053-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1028-1050-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral1/memory/2868-1041-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2868-1057-0x0000000000400000-0x000000000040B000-memory.dmp	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\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\sidebar = "C:\\Users\\Admin\\AppData\\Roaming\\SystemWindows\\WindowsService.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1976 set thread context of 2796	1976	95b0d03bc4d26ea0807cb0c4641f5930N.exe	29
PID 1028 set thread context of 2868	1028	WindowsService.exe	34
PID 1028 set thread context of 3524	1028	WindowsService.exe	35

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 7 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	95b0d03bc4d26ea0807cb0c4641f5930N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WindowsService.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WindowsService.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WindowsService.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	95b0d03bc4d26ea0807cb0c4641f5930N.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe
Token: SeDebugPrivilege	2868	WindowsService.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1976	95b0d03bc4d26ea0807cb0c4641f5930N.exe
2796	95b0d03bc4d26ea0807cb0c4641f5930N.exe
1028	WindowsService.exe
2868	WindowsService.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2796	1976	95b0d03bc4d26ea0807cb0c4641f5930N.exe	29
PID 1976 wrote to memory of 2796	1976	95b0d03bc4d26ea0807cb0c4641f5930N.exe	29
PID 1976 wrote to memory of 2796	1976	95b0d03bc4d26ea0807cb0c4641f5930N.exe	29
PID 1976 wrote to memory of 2796	1976	95b0d03bc4d26ea0807cb0c4641f5930N.exe	29
PID 1976 wrote to memory of 2796	1976	95b0d03bc4d26ea0807cb0c4641f5930N.exe	29
PID 1976 wrote to memory of 2796	1976	95b0d03bc4d26ea0807cb0c4641f5930N.exe	29
PID 1976 wrote to memory of 2796	1976	95b0d03bc4d26ea0807cb0c4641f5930N.exe	29
PID 1976 wrote to memory of 2796	1976	95b0d03bc4d26ea0807cb0c4641f5930N.exe	29
PID 2796 wrote to memory of 2588	2796	95b0d03bc4d26ea0807cb0c4641f5930N.exe	30
PID 2796 wrote to memory of 2588	2796	95b0d03bc4d26ea0807cb0c4641f5930N.exe	30
PID 2796 wrote to memory of 2588	2796	95b0d03bc4d26ea0807cb0c4641f5930N.exe	30
PID 2796 wrote to memory of 2588	2796	95b0d03bc4d26ea0807cb0c4641f5930N.exe	30
PID 2588 wrote to memory of 2128	2588	cmd.exe	32
PID 2588 wrote to memory of 2128	2588	cmd.exe	32
PID 2588 wrote to memory of 2128	2588	cmd.exe	32
PID 2588 wrote to memory of 2128	2588	cmd.exe	32
PID 2796 wrote to memory of 1028	2796	95b0d03bc4d26ea0807cb0c4641f5930N.exe	33
PID 2796 wrote to memory of 1028	2796	95b0d03bc4d26ea0807cb0c4641f5930N.exe	33
PID 2796 wrote to memory of 1028	2796	95b0d03bc4d26ea0807cb0c4641f5930N.exe	33
PID 2796 wrote to memory of 1028	2796	95b0d03bc4d26ea0807cb0c4641f5930N.exe	33
PID 1028 wrote to memory of 2868	1028	WindowsService.exe	34
PID 1028 wrote to memory of 2868	1028	WindowsService.exe	34
PID 1028 wrote to memory of 2868	1028	WindowsService.exe	34
PID 1028 wrote to memory of 2868	1028	WindowsService.exe	34
PID 1028 wrote to memory of 2868	1028	WindowsService.exe	34
PID 1028 wrote to memory of 2868	1028	WindowsService.exe	34
PID 1028 wrote to memory of 2868	1028	WindowsService.exe	34
PID 1028 wrote to memory of 2868	1028	WindowsService.exe	34
PID 1028 wrote to memory of 3524	1028	WindowsService.exe	35
PID 1028 wrote to memory of 3524	1028	WindowsService.exe	35
PID 1028 wrote to memory of 3524	1028	WindowsService.exe	35
PID 1028 wrote to memory of 3524	1028	WindowsService.exe	35
PID 1028 wrote to memory of 3524	1028	WindowsService.exe	35
PID 1028 wrote to memory of 3524	1028	WindowsService.exe	35
PID 1028 wrote to memory of 3524	1028	WindowsService.exe	35
PID 1028 wrote to memory of 3524	1028	WindowsService.exe	35
PID 1028 wrote to memory of 3524	1028	WindowsService.exe	35
PID 1028 wrote to memory of 3524	1028	WindowsService.exe	35
PID 1028 wrote to memory of 3524	1028	WindowsService.exe	35
PID 1028 wrote to memory of 3524	1028	WindowsService.exe	35
PID 1028 wrote to memory of 3524	1028	WindowsService.exe	35

C:\Users\Admin\AppData\Local\Temp\95b0d03bc4d26ea0807cb0c4641f5930N.exe
"C:\Users\Admin\AppData\Local\Temp\95b0d03bc4d26ea0807cb0c4641f5930N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Users\Admin\AppData\Local\Temp\95b0d03bc4d26ea0807cb0c4641f5930N.exe
  "C:\Users\Admin\AppData\Local\Temp\95b0d03bc4d26ea0807cb0c4641f5930N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2796
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\BRSPX.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2588
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "sidebar" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:2128
- - C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe
    "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1028
  - - C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe
      "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2868
  - - C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe
      "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:3524

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

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:\Users\Admin\AppData\Local\Temp\BRSPX.bat

Filesize
157B

MD5
f6a90c20834f271a907a4e2bc28184c2

SHA1
36c9d1602b74f622346fbb22693597d7889df48d

SHA256
73f29cd953eee40cea4de67842556ffd96efe8094a6a9b70f33a35df2582febd

SHA512
39cabae19fe1faa37455e4bd242c868be60d6252b07f01224b3f7501c3cf734e503300b840d83381a452707cab6df2f95f920655884be56d4024676b26943804

Download Submit
\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe

Filesize
102KB

MD5
4219e2dcd9ffd461534281d67917df48

SHA1
58974c5364bd52331a7f478ce21b862edde9d002

SHA256
bd677789ceb7669bf97660a56c389d12c22ae0f15af37079d52d7835ab1256dd

SHA512
15ee21dae7a3761c6363d82bb61f24abe4ffe8e444f8eb61c680095056bec32c630943bff81d98f299898bfe87002ad192910b9583c76779d339480e11729d6e

Download Submit
memory/1028-1050-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1028-503-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1976-156-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1976-82-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1976-81-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1976-65-0x0000000000408000-0x0000000000409000-memory.dmp

Filesize
4KB

Download
memory/1976-451-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1976-119-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1976-6-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1976-4-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1976-0-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2796-484-0x00000000029F0000-0x0000000002A2B000-memory.dmp

Filesize
236KB

Download
memory/2796-486-0x0000000002A00000-0x0000000002A3B000-memory.dmp

Filesize
236KB

Download
memory/2796-497-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2796-498-0x00000000029F0000-0x0000000002A2B000-memory.dmp

Filesize
236KB

Download
memory/2796-499-0x00000000029F0000-0x0000000002A2B000-memory.dmp

Filesize
236KB

Download
memory/2796-501-0x0000000002A00000-0x0000000002A3B000-memory.dmp

Filesize
236KB

Download
memory/2796-487-0x00000000029F0000-0x0000000002A2B000-memory.dmp

Filesize
236KB

Download
memory/2796-1053-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2796-454-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2868-1041-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2868-1057-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads