Analysis
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max time kernel
111s -
max time network
97s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12/11/2024, 14:15
Static task
static1
Behavioral task
behavioral1
Sample
901f507f15753ef74c63ae137017d61e13976218a2543eeb1456079c3a2b2545N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
901f507f15753ef74c63ae137017d61e13976218a2543eeb1456079c3a2b2545N.exe
Resource
win10v2004-20241007-en
General
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Target
901f507f15753ef74c63ae137017d61e13976218a2543eeb1456079c3a2b2545N.exe
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Size
458KB
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MD5
c55ea95b42d4d57f78f5d46b8ab28510
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SHA1
d588d8a5bdb48e1efefae839d314c4dde6ffa793
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SHA256
901f507f15753ef74c63ae137017d61e13976218a2543eeb1456079c3a2b2545
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SHA512
9881bfca2548f53bbb130c79354e579c1579df2eafb5281fc026044626d7621c8483e15d2dc788555c21d0bdbd70aff94427213378f59f93fe74f9d4489ecbbb
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SSDEEP
12288:CSj54Pm9zby3Wlu6IzDNzjLByKJrMZjOUSOI60:ttyavWMu6ItzJyurMZzN
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 624 cJhMj02900.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\cJhMj02900 = "C:\\ProgramData\\cJhMj02900\\cJhMj02900.exe" cJhMj02900.exe -
resource yara_rule behavioral2/memory/1568-1-0x0000000000400000-0x00000000004E6000-memory.dmp upx behavioral2/memory/624-10-0x0000000000400000-0x00000000005DC000-memory.dmp upx behavioral2/memory/624-11-0x0000000000400000-0x00000000005DC000-memory.dmp upx behavioral2/memory/1568-14-0x0000000000400000-0x00000000004E6000-memory.dmp upx behavioral2/memory/1568-15-0x0000000000400000-0x00000000005DC000-memory.dmp upx behavioral2/memory/624-16-0x0000000000400000-0x00000000005DC000-memory.dmp upx behavioral2/memory/624-28-0x0000000000400000-0x00000000005DC000-memory.dmp upx behavioral2/memory/1568-33-0x0000000000400000-0x00000000005DC000-memory.dmp upx behavioral2/memory/1568-34-0x0000000000400000-0x00000000004E6000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 901f507f15753ef74c63ae137017d61e13976218a2543eeb1456079c3a2b2545N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cJhMj02900.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1568 901f507f15753ef74c63ae137017d61e13976218a2543eeb1456079c3a2b2545N.exe Token: SeDebugPrivilege 624 cJhMj02900.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 624 cJhMj02900.exe 624 cJhMj02900.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 624 cJhMj02900.exe 624 cJhMj02900.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 624 cJhMj02900.exe 624 cJhMj02900.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1568 wrote to memory of 624 1568 901f507f15753ef74c63ae137017d61e13976218a2543eeb1456079c3a2b2545N.exe 86 PID 1568 wrote to memory of 624 1568 901f507f15753ef74c63ae137017d61e13976218a2543eeb1456079c3a2b2545N.exe 86 PID 1568 wrote to memory of 624 1568 901f507f15753ef74c63ae137017d61e13976218a2543eeb1456079c3a2b2545N.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\901f507f15753ef74c63ae137017d61e13976218a2543eeb1456079c3a2b2545N.exe"C:\Users\Admin\AppData\Local\Temp\901f507f15753ef74c63ae137017d61e13976218a2543eeb1456079c3a2b2545N.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1568 -
C:\ProgramData\cJhMj02900\cJhMj02900.exe"C:\ProgramData\cJhMj02900\cJhMj02900.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:624
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
458KB
MD52f6eef0f69f03cc5521ca8c182dfad39
SHA127ac3c014fbd807e060c43cd1aeae876dac53e4b
SHA25617de7aef184a570caf713c523cd3f118a14a9414b2d55983257eb8c16dfe8d75
SHA5129243a9b500eafd69171685ef6f3a0c59b95b8e23bbf526d2de491b980cb36d11371c98372456442b2b2a46941dbdd51df4c63b657232b1175b2784dfaf3378f4