0399bf70b4014b6915355cb01042dcfb07f161cea0523e84d79f378c1e3a7049

Analysis

max time kernel
120s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-08-2024 20:16

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General

Target

de5837ea1b1be57be9aeebf3da123330N.exe
Size

161KB
MD5

de5837ea1b1be57be9aeebf3da123330
SHA1

dedaad7dcbeb56f78ba85f71f733046239c7d6ca
SHA256

0399bf70b4014b6915355cb01042dcfb07f161cea0523e84d79f378c1e3a7049
SHA512

870a406c5c02ef5bccb1eadc7292d19957ef9df2452d3039ecaf07d3c7b0ef6a1c3a367482e073cabf3e44e78e2bbd868777a396fa3d699ece23e853776375e4
SSDEEP

3072:i5SVkkgUWib1UC7AdYzrV+Dljy/32ubwZZqJ:pUquCkdYzrVolu/J0ZZ

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	de5837ea1b1be57be9aeebf3da123330N.exe

Executes dropped EXE 3 IoCs

pid	Process
3312	WindowsService.exe
3380	WindowsService.exe
3280	WindowsService.exe

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3536-0-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral2/memory/3536-3-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral2/memory/1704-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1704-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3536-10-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral2/memory/1704-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023431-28.dat	upx
behavioral2/memory/3312-35-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral2/memory/1704-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3312-41-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral2/memory/3312-43-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral2/memory/3312-42-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral2/memory/3312-54-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral2/memory/1704-57-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3380-59-0x0000000000400000-0x000000000040B000-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-1-5-21-1302416131-1437503476-2806442725-1000\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 3536 set thread context of 1704	3536	de5837ea1b1be57be9aeebf3da123330N.exe	94
PID 3312 set thread context of 3380	3312	WindowsService.exe	100
PID 3312 set thread context of 3280	3312	WindowsService.exe	101

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	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	de5837ea1b1be57be9aeebf3da123330N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de5837ea1b1be57be9aeebf3da123330N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe
Token: SeDebugPrivilege	3380	WindowsService.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3536	de5837ea1b1be57be9aeebf3da123330N.exe
1704	de5837ea1b1be57be9aeebf3da123330N.exe
3312	WindowsService.exe
3380	WindowsService.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 3536 wrote to memory of 1704	3536	de5837ea1b1be57be9aeebf3da123330N.exe	94
PID 3536 wrote to memory of 1704	3536	de5837ea1b1be57be9aeebf3da123330N.exe	94
PID 3536 wrote to memory of 1704	3536	de5837ea1b1be57be9aeebf3da123330N.exe	94
PID 3536 wrote to memory of 1704	3536	de5837ea1b1be57be9aeebf3da123330N.exe	94
PID 3536 wrote to memory of 1704	3536	de5837ea1b1be57be9aeebf3da123330N.exe	94
PID 3536 wrote to memory of 1704	3536	de5837ea1b1be57be9aeebf3da123330N.exe	94
PID 3536 wrote to memory of 1704	3536	de5837ea1b1be57be9aeebf3da123330N.exe	94
PID 3536 wrote to memory of 1704	3536	de5837ea1b1be57be9aeebf3da123330N.exe	94
PID 1704 wrote to memory of 3804	1704	de5837ea1b1be57be9aeebf3da123330N.exe	95
PID 1704 wrote to memory of 3804	1704	de5837ea1b1be57be9aeebf3da123330N.exe	95
PID 1704 wrote to memory of 3804	1704	de5837ea1b1be57be9aeebf3da123330N.exe	95
PID 3804 wrote to memory of 3272	3804	cmd.exe	98
PID 3804 wrote to memory of 3272	3804	cmd.exe	98
PID 3804 wrote to memory of 3272	3804	cmd.exe	98
PID 1704 wrote to memory of 3312	1704	de5837ea1b1be57be9aeebf3da123330N.exe	99
PID 1704 wrote to memory of 3312	1704	de5837ea1b1be57be9aeebf3da123330N.exe	99
PID 1704 wrote to memory of 3312	1704	de5837ea1b1be57be9aeebf3da123330N.exe	99
PID 3312 wrote to memory of 3380	3312	WindowsService.exe	100
PID 3312 wrote to memory of 3380	3312	WindowsService.exe	100
PID 3312 wrote to memory of 3380	3312	WindowsService.exe	100
PID 3312 wrote to memory of 3380	3312	WindowsService.exe	100
PID 3312 wrote to memory of 3380	3312	WindowsService.exe	100
PID 3312 wrote to memory of 3380	3312	WindowsService.exe	100
PID 3312 wrote to memory of 3380	3312	WindowsService.exe	100
PID 3312 wrote to memory of 3380	3312	WindowsService.exe	100
PID 3312 wrote to memory of 3280	3312	WindowsService.exe	101
PID 3312 wrote to memory of 3280	3312	WindowsService.exe	101
PID 3312 wrote to memory of 3280	3312	WindowsService.exe	101
PID 3312 wrote to memory of 3280	3312	WindowsService.exe	101
PID 3312 wrote to memory of 3280	3312	WindowsService.exe	101
PID 3312 wrote to memory of 3280	3312	WindowsService.exe	101
PID 3312 wrote to memory of 3280	3312	WindowsService.exe	101
PID 3312 wrote to memory of 3280	3312	WindowsService.exe	101
PID 3312 wrote to memory of 3280	3312	WindowsService.exe	101
PID 3312 wrote to memory of 3280	3312	WindowsService.exe	101
PID 3312 wrote to memory of 3280	3312	WindowsService.exe	101
PID 3312 wrote to memory of 3280	3312	WindowsService.exe	101
PID 3312 wrote to memory of 3280	3312	WindowsService.exe	101
PID 3312 wrote to memory of 3280	3312	WindowsService.exe	101

C:\Users\Admin\AppData\Local\Temp\de5837ea1b1be57be9aeebf3da123330N.exe
"C:\Users\Admin\AppData\Local\Temp\de5837ea1b1be57be9aeebf3da123330N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3536
- C:\Users\Admin\AppData\Local\Temp\de5837ea1b1be57be9aeebf3da123330N.exe
  "C:\Users\Admin\AppData\Local\Temp\de5837ea1b1be57be9aeebf3da123330N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1704
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XYBLQ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3804
  - - 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:3272
- - 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:3312
  - - 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:3380
  - - 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:3280

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

Query Registry

T1012

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\XYBLQ.txt

Filesize
157B

MD5
f6a90c20834f271a907a4e2bc28184c2

SHA1
36c9d1602b74f622346fbb22693597d7889df48d

SHA256
73f29cd953eee40cea4de67842556ffd96efe8094a6a9b70f33a35df2582febd

SHA512
39cabae19fe1faa37455e4bd242c868be60d6252b07f01224b3f7501c3cf734e503300b840d83381a452707cab6df2f95f920655884be56d4024676b26943804

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

Filesize
161KB

MD5
b3d8b7a29697030424e55fa99b20a18e

SHA1
0ea452caf73844792ae92d37bac3cb3286826e81

SHA256
1a1170f7a4d44675cd433d749ee1c825bdd65db669fa621c0d3eb52ffad040d8

SHA512
362928e90d502ccdddf83e9cd7ba7f4e2d694e00f5091e78461f438fa6532cfa439a9543171776a014a9f912786dc75334973a71517fe8f4760f925be7ae6253

Download Submit
memory/1704-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1704-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1704-57-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1704-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1704-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3280-52-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3280-50-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3280-56-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3280-48-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3280-61-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3312-35-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3312-42-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3312-43-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3312-54-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3312-41-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3380-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3536-3-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3536-6-0x0000000002BE0000-0x0000000002BE1000-memory.dmp

Filesize
4KB

Download
memory/3536-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3536-4-0x0000000002BA0000-0x0000000002BA1000-memory.dmp

Filesize
4KB

Download
memory/3536-5-0x0000000002C20000-0x0000000002C21000-memory.dmp

Filesize
4KB

Download
memory/3536-0-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads