Analysis
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max time kernel
118s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 2568 mMdGb02900.exe -
Loads dropped DLL 2 IoCs
pid Process 1792 901f507f15753ef74c63ae137017d61e13976218a2543eeb1456079c3a2b2545N.exe 1792 901f507f15753ef74c63ae137017d61e13976218a2543eeb1456079c3a2b2545N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\mMdGb02900 = "C:\\ProgramData\\mMdGb02900\\mMdGb02900.exe" mMdGb02900.exe -
resource yara_rule behavioral1/memory/2568-14-0x0000000000400000-0x00000000005DC000-memory.dmp upx behavioral1/memory/1792-1-0x0000000000400000-0x00000000004E6000-memory.dmp upx behavioral1/memory/1792-18-0x0000000000400000-0x00000000004E6000-memory.dmp upx behavioral1/memory/1792-19-0x0000000000400000-0x00000000005DC000-memory.dmp upx behavioral1/memory/2568-20-0x0000000000400000-0x00000000005DC000-memory.dmp upx behavioral1/memory/2568-36-0x0000000000400000-0x00000000005DC000-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 mMdGb02900.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main mMdGb02900.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1792 901f507f15753ef74c63ae137017d61e13976218a2543eeb1456079c3a2b2545N.exe Token: SeDebugPrivilege 2568 mMdGb02900.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2568 mMdGb02900.exe 2568 mMdGb02900.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 2568 mMdGb02900.exe 2568 mMdGb02900.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2568 mMdGb02900.exe 2568 mMdGb02900.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1792 wrote to memory of 2568 1792 901f507f15753ef74c63ae137017d61e13976218a2543eeb1456079c3a2b2545N.exe 30 PID 1792 wrote to memory of 2568 1792 901f507f15753ef74c63ae137017d61e13976218a2543eeb1456079c3a2b2545N.exe 30 PID 1792 wrote to memory of 2568 1792 901f507f15753ef74c63ae137017d61e13976218a2543eeb1456079c3a2b2545N.exe 30 PID 1792 wrote to memory of 2568 1792 901f507f15753ef74c63ae137017d61e13976218a2543eeb1456079c3a2b2545N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\901f507f15753ef74c63ae137017d61e13976218a2543eeb1456079c3a2b2545N.exe"C:\Users\Admin\AppData\Local\Temp\901f507f15753ef74c63ae137017d61e13976218a2543eeb1456079c3a2b2545N.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1792 -
C:\ProgramData\mMdGb02900\mMdGb02900.exe"C:\ProgramData\mMdGb02900\mMdGb02900.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2568
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
458KB
MD50494f92bb88e58a8e9773e7a7572b5b3
SHA1b9329c0e49087b8615a80cfc016018a83bd7f041
SHA256417007c934070ec11e14d54916ef47d83d22b9650cd981b73aff61800920e827
SHA512d7ba4f9844c50b931aa29238774e4602da6fb7219d68704a92994cdf6ebe6847178c8f4cc6639ab16b328cce4521d7a10fefb64bd569f4505665c7db9c4ccc5a