0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
23/07/2024, 18:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe
Size

144KB
MD5

3d51fa29f89f6ec782f0c6467068256f
SHA1

976a83429aef53ad59b11b044a16e2c35df31229
SHA256

0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398
SHA512

7eef4edfa2c67c1ade9f6335a10860dc8c3a3c6626d0bdca108421d2c5efc549df669ce5eda0dd3a3d0df5ad73f0404ed032e82a1fe42c50313fe3da2fd6ac44
SSDEEP

3072:l5SVkkgUgXC7AdYzrV+Dljy/32ubwZ/qJ:SUFCkdYzrVolu/J0Z/

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-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation	0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe

Executes dropped EXE 3 IoCs

pid	Process
4468	WindowsService.exe
1820	WindowsService.exe
3252	WindowsService.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1936-5-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1936-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1936-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1936-41-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1936-49-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1820-51-0x0000000000400000-0x000000000040B000-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-1-5-21-1176886754-713327781-2233697964-1000\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 4416 set thread context of 1936	4416	0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe	92
PID 4468 set thread context of 1820	4468	WindowsService.exe	100
PID 4468 set thread context of 3252	4468	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	0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe
Token: SeDebugPrivilege	1820	WindowsService.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4416	0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe
1936	0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe
4468	WindowsService.exe
1820	WindowsService.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 4416 wrote to memory of 1936	4416	0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe	92
PID 4416 wrote to memory of 1936	4416	0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe	92
PID 4416 wrote to memory of 1936	4416	0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe	92
PID 4416 wrote to memory of 1936	4416	0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe	92
PID 4416 wrote to memory of 1936	4416	0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe	92
PID 4416 wrote to memory of 1936	4416	0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe	92
PID 4416 wrote to memory of 1936	4416	0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe	92
PID 4416 wrote to memory of 1936	4416	0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe	92
PID 1936 wrote to memory of 1464	1936	0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe	95
PID 1936 wrote to memory of 1464	1936	0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe	95
PID 1936 wrote to memory of 1464	1936	0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe	95
PID 1464 wrote to memory of 4964	1464	cmd.exe	98
PID 1464 wrote to memory of 4964	1464	cmd.exe	98
PID 1464 wrote to memory of 4964	1464	cmd.exe	98
PID 1936 wrote to memory of 4468	1936	0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe	99
PID 1936 wrote to memory of 4468	1936	0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe	99
PID 1936 wrote to memory of 4468	1936	0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe	99
PID 4468 wrote to memory of 1820	4468	WindowsService.exe	100
PID 4468 wrote to memory of 1820	4468	WindowsService.exe	100
PID 4468 wrote to memory of 1820	4468	WindowsService.exe	100
PID 4468 wrote to memory of 1820	4468	WindowsService.exe	100
PID 4468 wrote to memory of 1820	4468	WindowsService.exe	100
PID 4468 wrote to memory of 1820	4468	WindowsService.exe	100
PID 4468 wrote to memory of 1820	4468	WindowsService.exe	100
PID 4468 wrote to memory of 1820	4468	WindowsService.exe	100
PID 4468 wrote to memory of 3252	4468	WindowsService.exe	101
PID 4468 wrote to memory of 3252	4468	WindowsService.exe	101
PID 4468 wrote to memory of 3252	4468	WindowsService.exe	101
PID 4468 wrote to memory of 3252	4468	WindowsService.exe	101
PID 4468 wrote to memory of 3252	4468	WindowsService.exe	101
PID 4468 wrote to memory of 3252	4468	WindowsService.exe	101
PID 4468 wrote to memory of 3252	4468	WindowsService.exe	101
PID 4468 wrote to memory of 3252	4468	WindowsService.exe	101
PID 4468 wrote to memory of 3252	4468	WindowsService.exe	101
PID 4468 wrote to memory of 3252	4468	WindowsService.exe	101
PID 4468 wrote to memory of 3252	4468	WindowsService.exe	101
PID 4468 wrote to memory of 3252	4468	WindowsService.exe	101
PID 4468 wrote to memory of 3252	4468	WindowsService.exe	101
PID 4468 wrote to memory of 3252	4468	WindowsService.exe	101

C:\Users\Admin\AppData\Local\Temp\0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe
"C:\Users\Admin\AppData\Local\Temp\0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4416
- C:\Users\Admin\AppData\Local\Temp\0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe
  "C:\Users\Admin\AppData\Local\Temp\0cb8daebbab94e01cfc02f2a4612d1c9c35922f758e89ab02c50d576cf73b398.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1936
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\YCMSK.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1464
  - - 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:4964
- - 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:4468
  - - 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:1820
  - - 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:3252

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
157B

MD5
f6a90c20834f271a907a4e2bc28184c2

SHA1
36c9d1602b74f622346fbb22693597d7889df48d

SHA256
73f29cd953eee40cea4de67842556ffd96efe8094a6a9b70f33a35df2582febd

SHA512
39cabae19fe1faa37455e4bd242c868be60d6252b07f01224b3f7501c3cf734e503300b840d83381a452707cab6df2f95f920655884be56d4024676b26943804

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

Filesize
144KB

MD5
1efa11fbca0512b6e30ee64c1a81adf3

SHA1
660e9ca52707cbc492f7436b7c41bb03207b80d7

SHA256
eae2d6a0504b85a3b0fc7f0abc2d755fa08c235e7ad833cf23dbd080a59bbf1e

SHA512
a0c654c918d349c524b8edff0258ae31fa1107984ced375ffc3d012b580ccbfe9bed87e6e4861dfc9068a45d7de28549d99c43d990f32242fca47de299fa6dc2

Download Submit
memory/1820-51-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1936-41-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1936-49-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1936-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1936-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1936-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3252-42-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3252-44-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3252-48-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3252-38-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3252-52-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4416-2-0x0000000002350000-0x0000000002351000-memory.dmp

Filesize
4KB

Download
memory/4416-3-0x0000000002AE0000-0x0000000002AE1000-memory.dmp

Filesize
4KB

Download
memory/4416-4-0x0000000002B20000-0x0000000002B21000-memory.dmp

Filesize
4KB

Download
memory/4468-43-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads