Analysis
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max time kernel
185s -
max time network
192s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
29-11-2022 22:17
Static task
static1
Behavioral task
behavioral1
Sample
678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe
Resource
win10v2004-20221111-en
General
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Target
678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe
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Size
115KB
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MD5
ee061f4e5b74c464968353765f6dd478
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SHA1
8bb9f2dc918eacb94aec40a12f3829687db20875
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SHA256
678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc
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SHA512
c35489613780044c908597d96d0f24bafc63e2ae3114365771286f944c14069280ee7cfdb495aa9a60541d2d595800533f36241b2ec43b33c5c92773b1df295e
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SSDEEP
1536:R++fq6M5b9NqTxV67wAInyAeG+90MHJaOsp1gMIEELZ2G6nNgRtOOOOOOOOEQ6:R++VMoTxyi9e7O1IXLoXWRq
Malware Config
Signatures
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Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
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Executes dropped EXE 1 IoCs
Processes:
CacheMgr.exepid process 1656 CacheMgr.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run 678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\StubPath = "\"C:\\Users\\Admin\\AppData\\Roaming\\CacheMgr.exe\" -as" 678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exedescription pid process target process PID 4912 wrote to memory of 4932 4912 678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe cmd.exe PID 4912 wrote to memory of 4932 4912 678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe cmd.exe PID 4912 wrote to memory of 4932 4912 678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe cmd.exe PID 4912 wrote to memory of 1656 4912 678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe CacheMgr.exe PID 4912 wrote to memory of 1656 4912 678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe CacheMgr.exe PID 4912 wrote to memory of 1656 4912 678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe CacheMgr.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe"C:\Users\Admin\AppData\Local\Temp\678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd.exe /c copy "C:\Users\Admin\AppData\Local\Temp\678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe" "C:\Users\Admin\AppData\Roaming\CacheMgr.exe"2⤵
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C:\Users\Admin\AppData\Roaming\CacheMgr.exe"C:\Users\Admin\AppData\Roaming\CacheMgr.exe" -as2⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\CacheMgr.exeFilesize
115KB
MD5ee061f4e5b74c464968353765f6dd478
SHA18bb9f2dc918eacb94aec40a12f3829687db20875
SHA256678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc
SHA512c35489613780044c908597d96d0f24bafc63e2ae3114365771286f944c14069280ee7cfdb495aa9a60541d2d595800533f36241b2ec43b33c5c92773b1df295e
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C:\Users\Admin\AppData\Roaming\CacheMgr.exeFilesize
115KB
MD5ee061f4e5b74c464968353765f6dd478
SHA18bb9f2dc918eacb94aec40a12f3829687db20875
SHA256678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc
SHA512c35489613780044c908597d96d0f24bafc63e2ae3114365771286f944c14069280ee7cfdb495aa9a60541d2d595800533f36241b2ec43b33c5c92773b1df295e
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memory/1656-143-0x0000000000850000-0x0000000000950000-memory.dmpFilesize
1024KB
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memory/1656-137-0x0000000000000000-mapping.dmp
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memory/1656-144-0x00000000001D0000-0x00000000001E5000-memory.dmpFilesize
84KB
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memory/1656-145-0x0000000000400000-0x0000000000427000-memory.dmpFilesize
156KB
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memory/1656-146-0x0000000000850000-0x0000000000950000-memory.dmpFilesize
1024KB
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memory/1656-147-0x00000000001D0000-0x00000000001E5000-memory.dmpFilesize
84KB
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memory/4912-136-0x00000000001D0000-0x00000000001E5000-memory.dmpFilesize
84KB
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memory/4912-134-0x00000000008F0000-0x00000000009F0000-memory.dmpFilesize
1024KB
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memory/4912-141-0x0000000000400000-0x0000000000427000-memory.dmpFilesize
156KB
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memory/4912-142-0x00000000001D0000-0x00000000001E5000-memory.dmpFilesize
84KB
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memory/4912-132-0x0000000000400000-0x0000000000427000-memory.dmpFilesize
156KB
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memory/4932-135-0x0000000000000000-mapping.dmp