762480e070e1dd9f1e9bdb7e6973226f983503e6fd22574329895ee0cc712740

Analysis

max time kernel
120s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20/08/2024, 12:49

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General

Target

624776cc0f108a0f789cf78da3db5870N.exe
Size

102KB
MD5

624776cc0f108a0f789cf78da3db5870
SHA1

01fd51f97c7b38e005ece5bc7c189e9bf5724a19
SHA256

762480e070e1dd9f1e9bdb7e6973226f983503e6fd22574329895ee0cc712740
SHA512

58184aa04cff93e01c4e093ec03edd4e0d8ce4439c541e4e463987fb834c92e887ce42b6a5ec1eeac4bb693c1d1417e9d02d260c12cf1b2c6b7f8b25b2cf230d
SSDEEP

3072:xFphTfm1UC7AdYzrV+Dljy/32ubwZZqJ:FhTfmuCkdYzrVolu/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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	624776cc0f108a0f789cf78da3db5870N.exe

Executes dropped EXE 3 IoCs

pid	Process
2688	WindowsService.exe
4040	WindowsService.exe
3844	WindowsService.exe

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2520-0-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral2/memory/2520-4-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral2/memory/3100-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3100-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3100-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2520-14-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral2/files/0x00080000000234b2-36.dat	upx
behavioral2/memory/2688-37-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral2/memory/3100-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2688-43-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral2/memory/2688-44-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral2/memory/2688-42-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral2/memory/2688-58-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral2/memory/3100-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4040-62-0x0000000000400000-0x000000000040B000-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-1-5-21-355097885-2402257403-2971294179-1000\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 2520 set thread context of 3100	2520	624776cc0f108a0f789cf78da3db5870N.exe	92
PID 2688 set thread context of 4040	2688	WindowsService.exe	100
PID 2688 set thread context of 3844	2688	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	624776cc0f108a0f789cf78da3db5870N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	624776cc0f108a0f789cf78da3db5870N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe
Token: SeDebugPrivilege	4040	WindowsService.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2520	624776cc0f108a0f789cf78da3db5870N.exe
3100	624776cc0f108a0f789cf78da3db5870N.exe
2688	WindowsService.exe
4040	WindowsService.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 3100	2520	624776cc0f108a0f789cf78da3db5870N.exe	92
PID 2520 wrote to memory of 3100	2520	624776cc0f108a0f789cf78da3db5870N.exe	92
PID 2520 wrote to memory of 3100	2520	624776cc0f108a0f789cf78da3db5870N.exe	92
PID 2520 wrote to memory of 3100	2520	624776cc0f108a0f789cf78da3db5870N.exe	92
PID 2520 wrote to memory of 3100	2520	624776cc0f108a0f789cf78da3db5870N.exe	92
PID 2520 wrote to memory of 3100	2520	624776cc0f108a0f789cf78da3db5870N.exe	92
PID 2520 wrote to memory of 3100	2520	624776cc0f108a0f789cf78da3db5870N.exe	92
PID 2520 wrote to memory of 3100	2520	624776cc0f108a0f789cf78da3db5870N.exe	92
PID 3100 wrote to memory of 4940	3100	624776cc0f108a0f789cf78da3db5870N.exe	95
PID 3100 wrote to memory of 4940	3100	624776cc0f108a0f789cf78da3db5870N.exe	95
PID 3100 wrote to memory of 4940	3100	624776cc0f108a0f789cf78da3db5870N.exe	95
PID 4940 wrote to memory of 2588	4940	cmd.exe	98
PID 4940 wrote to memory of 2588	4940	cmd.exe	98
PID 4940 wrote to memory of 2588	4940	cmd.exe	98
PID 3100 wrote to memory of 2688	3100	624776cc0f108a0f789cf78da3db5870N.exe	99
PID 3100 wrote to memory of 2688	3100	624776cc0f108a0f789cf78da3db5870N.exe	99
PID 3100 wrote to memory of 2688	3100	624776cc0f108a0f789cf78da3db5870N.exe	99
PID 2688 wrote to memory of 4040	2688	WindowsService.exe	100
PID 2688 wrote to memory of 4040	2688	WindowsService.exe	100
PID 2688 wrote to memory of 4040	2688	WindowsService.exe	100
PID 2688 wrote to memory of 4040	2688	WindowsService.exe	100
PID 2688 wrote to memory of 4040	2688	WindowsService.exe	100
PID 2688 wrote to memory of 4040	2688	WindowsService.exe	100
PID 2688 wrote to memory of 4040	2688	WindowsService.exe	100
PID 2688 wrote to memory of 4040	2688	WindowsService.exe	100
PID 2688 wrote to memory of 3844	2688	WindowsService.exe	101
PID 2688 wrote to memory of 3844	2688	WindowsService.exe	101
PID 2688 wrote to memory of 3844	2688	WindowsService.exe	101
PID 2688 wrote to memory of 3844	2688	WindowsService.exe	101
PID 2688 wrote to memory of 3844	2688	WindowsService.exe	101
PID 2688 wrote to memory of 3844	2688	WindowsService.exe	101
PID 2688 wrote to memory of 3844	2688	WindowsService.exe	101
PID 2688 wrote to memory of 3844	2688	WindowsService.exe	101
PID 2688 wrote to memory of 3844	2688	WindowsService.exe	101
PID 2688 wrote to memory of 3844	2688	WindowsService.exe	101
PID 2688 wrote to memory of 3844	2688	WindowsService.exe	101
PID 2688 wrote to memory of 3844	2688	WindowsService.exe	101
PID 2688 wrote to memory of 3844	2688	WindowsService.exe	101
PID 2688 wrote to memory of 3844	2688	WindowsService.exe	101

C:\Users\Admin\AppData\Local\Temp\624776cc0f108a0f789cf78da3db5870N.exe
"C:\Users\Admin\AppData\Local\Temp\624776cc0f108a0f789cf78da3db5870N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Users\Admin\AppData\Local\Temp\624776cc0f108a0f789cf78da3db5870N.exe
  "C:\Users\Admin\AppData\Local\Temp\624776cc0f108a0f789cf78da3db5870N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3100
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ESIWR.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4940
  - - 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:2588
- - 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:2688
  - - 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:4040
  - - 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:3844

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\ESIWR.txt

Filesize
157B

MD5
f6a90c20834f271a907a4e2bc28184c2

SHA1
36c9d1602b74f622346fbb22693597d7889df48d

SHA256
73f29cd953eee40cea4de67842556ffd96efe8094a6a9b70f33a35df2582febd

SHA512
39cabae19fe1faa37455e4bd242c868be60d6252b07f01224b3f7501c3cf734e503300b840d83381a452707cab6df2f95f920655884be56d4024676b26943804

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

Filesize
102KB

MD5
8c794f0df6cba16821ecfaac3c3384fb

SHA1
29a9bb0b219112ab7141c6dc114d544d4153f92d

SHA256
796be8626679c8e9cc1cbc901fa153ce0756516190dcb48e5a261782076bb4bc

SHA512
abcd250f251599a78f82af164f8b4385c46062064b8f9bbf39f1dc6a416c423c9156503c57001f1ede3fa1ad5d6fbfb755a32931f057d97394fa3436fb7e690d

Download Submit
memory/2520-4-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2520-5-0x00000000029B0000-0x00000000029B1000-memory.dmp

Filesize
4KB

Download
memory/2520-14-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2520-6-0x00000000029F0000-0x00000000029F1000-memory.dmp

Filesize
4KB

Download
memory/2520-3-0x0000000002970000-0x0000000002971000-memory.dmp

Filesize
4KB

Download
memory/2520-0-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2688-43-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2688-58-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2688-42-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2688-44-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2688-37-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/3100-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3100-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3100-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3100-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3100-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3844-47-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3844-51-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3844-53-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3844-59-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3844-64-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4040-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads