f39f616c46d162c2f0bb13ec964c22177535fe6ba8dd56cf029d2f392d269969

Analysis

max time kernel
119s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-08-2024 11:59

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General

Target

c515441898f65bf447d2fb7695dac600N.exe
Size

101KB
MD5

c515441898f65bf447d2fb7695dac600
SHA1

9d50e4a5e7005571c7c2864088b85018c3ca94c3
SHA256

f39f616c46d162c2f0bb13ec964c22177535fe6ba8dd56cf029d2f392d269969
SHA512

ff1e32ca35c3026876bca8ccdf878837535e4280b828dc2596ae8da59094e39c350323f1f400bbcf925c125459c5436fac60da5b2b0775067063d7614d4d8e80
SSDEEP

3072:QKD29n1h+popOOfaPOx5P+m/pNdhZ1QYUdq:Qph+6pAkGm/pH1gdq

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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	c515441898f65bf447d2fb7695dac600N.exe

Executes dropped EXE 4 IoCs

pid	Process
3288	c515441898f65bf447d2fb7695dac600N.exe
748	WindowsService.exe
4108	WindowsService.exe
684	WindowsService.exe

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral2/memory/988-0-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral2/memory/988-4-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral2/memory/3288-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000700000002347b-9.dat	upx
behavioral2/memory/3288-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3288-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/988-12-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral2/files/0x000800000002347a-30.dat	upx
behavioral2/memory/748-37-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral2/memory/3288-41-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/748-43-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral2/memory/748-45-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral2/memory/748-57-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral2/memory/748-44-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral2/memory/3288-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4108-64-0x0000000000400000-0x000000000040B000-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-1-5-21-656926755-4116854191-210765258-1000\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 988 set thread context of 3288	988	c515441898f65bf447d2fb7695dac600N.exe	92
PID 748 set thread context of 4108	748	WindowsService.exe	100
PID 748 set thread context of 684	748	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	c515441898f65bf447d2fb7695dac600N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c515441898f65bf447d2fb7695dac600N.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	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe
Token: SeDebugPrivilege	4108	WindowsService.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
988	c515441898f65bf447d2fb7695dac600N.exe
3288	c515441898f65bf447d2fb7695dac600N.exe
748	WindowsService.exe
4108	WindowsService.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 988 wrote to memory of 3288	988	c515441898f65bf447d2fb7695dac600N.exe	92
PID 988 wrote to memory of 3288	988	c515441898f65bf447d2fb7695dac600N.exe	92
PID 988 wrote to memory of 3288	988	c515441898f65bf447d2fb7695dac600N.exe	92
PID 988 wrote to memory of 3288	988	c515441898f65bf447d2fb7695dac600N.exe	92
PID 988 wrote to memory of 3288	988	c515441898f65bf447d2fb7695dac600N.exe	92
PID 988 wrote to memory of 3288	988	c515441898f65bf447d2fb7695dac600N.exe	92
PID 988 wrote to memory of 3288	988	c515441898f65bf447d2fb7695dac600N.exe	92
PID 988 wrote to memory of 3288	988	c515441898f65bf447d2fb7695dac600N.exe	92
PID 3288 wrote to memory of 4792	3288	c515441898f65bf447d2fb7695dac600N.exe	93
PID 3288 wrote to memory of 4792	3288	c515441898f65bf447d2fb7695dac600N.exe	93
PID 3288 wrote to memory of 4792	3288	c515441898f65bf447d2fb7695dac600N.exe	93
PID 4792 wrote to memory of 1804	4792	cmd.exe	96
PID 4792 wrote to memory of 1804	4792	cmd.exe	96
PID 4792 wrote to memory of 1804	4792	cmd.exe	96
PID 3288 wrote to memory of 748	3288	c515441898f65bf447d2fb7695dac600N.exe	97
PID 3288 wrote to memory of 748	3288	c515441898f65bf447d2fb7695dac600N.exe	97
PID 3288 wrote to memory of 748	3288	c515441898f65bf447d2fb7695dac600N.exe	97
PID 748 wrote to memory of 4108	748	WindowsService.exe	100
PID 748 wrote to memory of 4108	748	WindowsService.exe	100
PID 748 wrote to memory of 4108	748	WindowsService.exe	100
PID 748 wrote to memory of 4108	748	WindowsService.exe	100
PID 748 wrote to memory of 4108	748	WindowsService.exe	100
PID 748 wrote to memory of 4108	748	WindowsService.exe	100
PID 748 wrote to memory of 4108	748	WindowsService.exe	100
PID 748 wrote to memory of 4108	748	WindowsService.exe	100
PID 748 wrote to memory of 684	748	WindowsService.exe	101
PID 748 wrote to memory of 684	748	WindowsService.exe	101
PID 748 wrote to memory of 684	748	WindowsService.exe	101
PID 748 wrote to memory of 684	748	WindowsService.exe	101
PID 748 wrote to memory of 684	748	WindowsService.exe	101
PID 748 wrote to memory of 684	748	WindowsService.exe	101
PID 748 wrote to memory of 684	748	WindowsService.exe	101
PID 748 wrote to memory of 684	748	WindowsService.exe	101
PID 748 wrote to memory of 684	748	WindowsService.exe	101
PID 748 wrote to memory of 684	748	WindowsService.exe	101
PID 748 wrote to memory of 684	748	WindowsService.exe	101
PID 748 wrote to memory of 684	748	WindowsService.exe	101
PID 748 wrote to memory of 684	748	WindowsService.exe	101
PID 748 wrote to memory of 684	748	WindowsService.exe	101

C:\Users\Admin\AppData\Local\Temp\c515441898f65bf447d2fb7695dac600N.exe
"C:\Users\Admin\AppData\Local\Temp\c515441898f65bf447d2fb7695dac600N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:988
- C:\Users\Admin\AppData\Local\Temp\c515441898f65bf447d2fb7695dac600N.exe
  "C:\Users\Admin\AppData\Local\Temp\c515441898f65bf447d2fb7695dac600N.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3288
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\WUTXK.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4792
  - - 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:1804
- - 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:748
  - - 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:4108
  - - 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:684

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

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Downloads

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

Filesize
157B

MD5
f6a90c20834f271a907a4e2bc28184c2

SHA1
36c9d1602b74f622346fbb22693597d7889df48d

SHA256
73f29cd953eee40cea4de67842556ffd96efe8094a6a9b70f33a35df2582febd

SHA512
39cabae19fe1faa37455e4bd242c868be60d6252b07f01224b3f7501c3cf734e503300b840d83381a452707cab6df2f95f920655884be56d4024676b26943804

Download Submit
C:\Users\Admin\AppData\Local\Temp\c515441898f65bf447d2fb7695dac600N.exe

Filesize
101KB

MD5
c515441898f65bf447d2fb7695dac600

SHA1
9d50e4a5e7005571c7c2864088b85018c3ca94c3

SHA256
f39f616c46d162c2f0bb13ec964c22177535fe6ba8dd56cf029d2f392d269969

SHA512
ff1e32ca35c3026876bca8ccdf878837535e4280b828dc2596ae8da59094e39c350323f1f400bbcf925c125459c5436fac60da5b2b0775067063d7614d4d8e80

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

Filesize
101KB

MD5
c6f45b4a8e1fe8b9a0951489b4e5e4ad

SHA1
f81afef7c573a711fac620854ad60768eb85a01c

SHA256
bc11076551285fbb846c1c7b1d4ed196b06f28b54effca25318a06811f2f149b

SHA512
b96eea522c3157d4d5c25dcc082c5747eb6b85ec494639ce0a1a6b9c29205c8ceaf4314439d88268dc465a899d71ba6a1b43fc8d414d418f528c990f8b079a05

Download Submit
memory/684-58-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/684-63-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/684-54-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/684-66-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/684-52-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/748-45-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/748-37-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/748-44-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/748-43-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/748-57-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/988-5-0x0000000002C10000-0x0000000002C11000-memory.dmp

Filesize
4KB

Download
memory/988-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/988-7-0x0000000002C40000-0x0000000002C41000-memory.dmp

Filesize
4KB

Download
memory/988-3-0x0000000002BE0000-0x0000000002BE1000-memory.dmp

Filesize
4KB

Download
memory/988-6-0x0000000002C70000-0x0000000002C71000-memory.dmp

Filesize
4KB

Download
memory/988-4-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/988-0-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3288-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3288-41-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3288-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3288-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3288-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4108-64-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads