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Analysis
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max time kernel
150s -
max time network
51s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
14/06/2024, 04:45
Behavioral task
behavioral1
Sample
da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c.exe
Resource
win10v2004-20240508-en
General
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Target
da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c.exe
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Size
88KB
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MD5
1659eb0e7ac5f43d33c58dbd97dc61a3
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SHA1
ffc1ad2275f2fc13e8d9d1b54ca5f24be4596940
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SHA256
da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c
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SHA512
097d2e26e69ff124304a954ca19fc5282bcd0758ab77a18821d3f85bb0a9ad545c383da64d6a3b2abad674ddf396d450cc7b35b557a89a0162ad4d9fcbc6e14c
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SSDEEP
1536:CU9YkETRm/CQ7igcuGC58kSlR+YFa1vv3:3zwR4f78uGC58k8R8
Malware Config
Signatures
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UPX dump on OEP (original entry point) 5 IoCs
resource yara_rule behavioral2/memory/2984-0-0x0000000000400000-0x0000000000413000-memory.dmp UPX behavioral2/files/0x0008000000022f51-8.dat UPX behavioral2/memory/2984-13-0x0000000000400000-0x0000000000413000-memory.dmp UPX behavioral2/memory/4632-11-0x0000000000400000-0x0000000000413000-memory.dmp UPX behavioral2/memory/4632-17-0x0000000000400000-0x0000000000413000-memory.dmp UPX -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c.exe -
Executes dropped EXE 1 IoCs
pid Process 4632 upsec.exe -
resource yara_rule behavioral2/memory/2984-0-0x0000000000400000-0x0000000000413000-memory.dmp upx behavioral2/files/0x0008000000022f51-8.dat upx behavioral2/memory/2984-13-0x0000000000400000-0x0000000000413000-memory.dmp upx behavioral2/memory/4632-11-0x0000000000400000-0x0000000000413000-memory.dmp upx behavioral2/memory/4632-17-0x0000000000400000-0x0000000000413000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2984 wrote to memory of 4632 2984 da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c.exe 82 PID 2984 wrote to memory of 4632 2984 da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c.exe 82 PID 2984 wrote to memory of 4632 2984 da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c.exe"C:\Users\Admin\AppData\Local\Temp\da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2984 -
C:\Users\Admin\AppData\Local\Temp\upsec.exe"C:\Users\Admin\AppData\Local\Temp\upsec.exe"2⤵
- Executes dropped EXE
PID:4632
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
89KB
MD5fefcaae71a7e48c8bd7cee219f49221e
SHA13db0de97c2a42cfea903bcc0c53bf7885867b3a1
SHA2565bce6e7a4e6c31ae60a05c0987cf72b0c66bbf53a270f11cdc6abf843a0abbde
SHA512b2ee182cc4e417b413dcfee0b0c2764e2df2acb5983ee7f140b2acd0369f08e8b9094d98d3e871eb1c6ad63b2ecadeb32b01a9360fff15c42ea88dec21f29a9c