26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
06/07/2024, 19:44

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General

Target

26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958.exe
Size

102KB
MD5

ca2141be819212436477a9d9023449b3
SHA1

9807b3934d78c7bf2bff91d61417c36f97416e9e
SHA256

26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958
SHA512

4038673cd5d7be4f2ae8c27e41c9093dbe9636ac98afc8ea2414152e5d57c701c932fe22b3a12130b7427497394a5ff5deeecc6c72a01fe8dbd4d2c7669dcdbd
SSDEEP

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

Score

7^/10

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-1-5-21-2753856825-3907105642-1818461144-1000\Control Panel\International\Geo\Nation	26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958.exe

Executes dropped EXE 3 IoCs

pid	Process
5000	WindowsService.exe
2676	WindowsService.exe
4704	WindowsService.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3128-0-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral2/memory/2608-6-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2608-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2608-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3128-12-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral2/files/0x0009000000023407-27.dat	upx
behavioral2/memory/5000-35-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral2/memory/2608-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5000-39-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral2/memory/5000-52-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral2/memory/2608-55-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2676-58-0x0000000000400000-0x000000000040B000-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-1-5-21-2753856825-3907105642-1818461144-1000\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 3128 set thread context of 2608	3128	26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958.exe	85
PID 5000 set thread context of 2676	5000	WindowsService.exe	91
PID 5000 set thread context of 4704	5000	WindowsService.exe	92

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe
Token: SeDebugPrivilege	2676	WindowsService.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3128	26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958.exe
2608	26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958.exe
5000	WindowsService.exe
2676	WindowsService.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 3128 wrote to memory of 2608	3128	26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958.exe	85
PID 3128 wrote to memory of 2608	3128	26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958.exe	85
PID 3128 wrote to memory of 2608	3128	26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958.exe	85
PID 3128 wrote to memory of 2608	3128	26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958.exe	85
PID 3128 wrote to memory of 2608	3128	26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958.exe	85
PID 3128 wrote to memory of 2608	3128	26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958.exe	85
PID 3128 wrote to memory of 2608	3128	26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958.exe	85
PID 3128 wrote to memory of 2608	3128	26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958.exe	85
PID 2608 wrote to memory of 3704	2608	26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958.exe	86
PID 2608 wrote to memory of 3704	2608	26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958.exe	86
PID 2608 wrote to memory of 3704	2608	26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958.exe	86
PID 3704 wrote to memory of 1936	3704	cmd.exe	89
PID 3704 wrote to memory of 1936	3704	cmd.exe	89
PID 3704 wrote to memory of 1936	3704	cmd.exe	89
PID 2608 wrote to memory of 5000	2608	26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958.exe	90
PID 2608 wrote to memory of 5000	2608	26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958.exe	90
PID 2608 wrote to memory of 5000	2608	26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958.exe	90
PID 5000 wrote to memory of 2676	5000	WindowsService.exe	91
PID 5000 wrote to memory of 2676	5000	WindowsService.exe	91
PID 5000 wrote to memory of 2676	5000	WindowsService.exe	91
PID 5000 wrote to memory of 2676	5000	WindowsService.exe	91
PID 5000 wrote to memory of 2676	5000	WindowsService.exe	91
PID 5000 wrote to memory of 2676	5000	WindowsService.exe	91
PID 5000 wrote to memory of 2676	5000	WindowsService.exe	91
PID 5000 wrote to memory of 2676	5000	WindowsService.exe	91
PID 5000 wrote to memory of 4704	5000	WindowsService.exe	92
PID 5000 wrote to memory of 4704	5000	WindowsService.exe	92
PID 5000 wrote to memory of 4704	5000	WindowsService.exe	92
PID 5000 wrote to memory of 4704	5000	WindowsService.exe	92
PID 5000 wrote to memory of 4704	5000	WindowsService.exe	92
PID 5000 wrote to memory of 4704	5000	WindowsService.exe	92
PID 5000 wrote to memory of 4704	5000	WindowsService.exe	92
PID 5000 wrote to memory of 4704	5000	WindowsService.exe	92
PID 5000 wrote to memory of 4704	5000	WindowsService.exe	92
PID 5000 wrote to memory of 4704	5000	WindowsService.exe	92
PID 5000 wrote to memory of 4704	5000	WindowsService.exe	92
PID 5000 wrote to memory of 4704	5000	WindowsService.exe	92
PID 5000 wrote to memory of 4704	5000	WindowsService.exe	92
PID 5000 wrote to memory of 4704	5000	WindowsService.exe	92

C:\Users\Admin\AppData\Local\Temp\26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958.exe
"C:\Users\Admin\AppData\Local\Temp\26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3128
- C:\Users\Admin\AppData\Local\Temp\26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958.exe
  "C:\Users\Admin\AppData\Local\Temp\26481db0a01dabedad8214120120d75a6801b6d2a875b0d34639f3e7814cc958.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2608
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CFRSN.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3704
  - - 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
      PID:1936
- - C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe
    "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:5000
  - - C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe
      "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2676
  - - C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe
      "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"
      4⤵
      Executes dropped EXE
      PID:4704

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CFRSN.txt

Filesize
157B

MD5
f6a90c20834f271a907a4e2bc28184c2

SHA1
36c9d1602b74f622346fbb22693597d7889df48d

SHA256
73f29cd953eee40cea4de67842556ffd96efe8094a6a9b70f33a35df2582febd

SHA512
39cabae19fe1faa37455e4bd242c868be60d6252b07f01224b3f7501c3cf734e503300b840d83381a452707cab6df2f95f920655884be56d4024676b26943804

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

Filesize
102KB

MD5
578940ecbf33fb2085f3676260d99cf7

SHA1
9039d2a12e82dd43c1220eb6b9c836ad252196bb

SHA256
3809db88d9309e7ad3cbacee1d05478ee53c9a4e4535c66ebc83c92405786b90

SHA512
62efe642f32f3d5b591cc86ee445e5467b795de2d197fb42965c2c88e147298230b801ca7c275953af49c587aaf13e27caa70c9542aa4e2f7e76ae1243b4f944

Download Submit
memory/2608-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-53-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2608-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-55-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3128-12-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/3128-0-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/3128-5-0x0000000002B40000-0x0000000002B41000-memory.dmp

Filesize
4KB

Download
memory/3128-4-0x0000000002B00000-0x0000000002B01000-memory.dmp

Filesize
4KB

Download
memory/3128-3-0x0000000002370000-0x0000000002371000-memory.dmp

Filesize
4KB

Download
memory/4704-47-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4704-48-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4704-59-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4704-57-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4704-43-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/5000-35-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/5000-52-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/5000-39-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads