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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
06/01/2024, 11:09
Behavioral task
behavioral1
Sample
bb4c4fe763e3a80945fc3f9617c981d3c7a9d48d9b6616e42c172884dc32102d.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
bb4c4fe763e3a80945fc3f9617c981d3c7a9d48d9b6616e42c172884dc32102d.exe
Resource
win10v2004-20231215-en
General
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Target
bb4c4fe763e3a80945fc3f9617c981d3c7a9d48d9b6616e42c172884dc32102d.exe
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Size
536KB
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MD5
e8b3754676c5d5881fb0a08d84ca1367
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SHA1
340dcf0227603e18fc25766db36961a486e7004f
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SHA256
bb4c4fe763e3a80945fc3f9617c981d3c7a9d48d9b6616e42c172884dc32102d
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SHA512
7f379744856c2f69bcf046e04f789b254606ca3ccebb8038d4c9a044c355f3969435b8d23c933eb4be71b8fa0a9c3afb4adea55228351d7c693582e970b9f9e8
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SSDEEP
12288:chf0Bs9bDDq9huzJgIJzgXaEw9Stu/aB9a/Okx2LIa:cdQyDLzJTveuK0/Okx2LF
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2532-0-0x00000000001E0000-0x00000000002E2000-memory.dmp upx behavioral1/memory/2532-78-0x00000000001E0000-0x00000000002E2000-memory.dmp upx behavioral1/memory/2532-193-0x00000000001E0000-0x00000000002E2000-memory.dmp upx behavioral1/memory/2532-312-0x00000000001E0000-0x00000000002E2000-memory.dmp upx behavioral1/memory/2532-411-0x00000000001E0000-0x00000000002E2000-memory.dmp upx -
Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 223.5.5.5 Destination IP 114.114.114.114 Destination IP 223.5.5.5 Destination IP 114.114.114.114 -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\2b5948 bb4c4fe763e3a80945fc3f9617c981d3c7a9d48d9b6616e42c172884dc32102d.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2532 bb4c4fe763e3a80945fc3f9617c981d3c7a9d48d9b6616e42c172884dc32102d.exe 2532 bb4c4fe763e3a80945fc3f9617c981d3c7a9d48d9b6616e42c172884dc32102d.exe 2532 bb4c4fe763e3a80945fc3f9617c981d3c7a9d48d9b6616e42c172884dc32102d.exe 2532 bb4c4fe763e3a80945fc3f9617c981d3c7a9d48d9b6616e42c172884dc32102d.exe 2532 bb4c4fe763e3a80945fc3f9617c981d3c7a9d48d9b6616e42c172884dc32102d.exe 1204 Explorer.EXE 1204 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 2532 bb4c4fe763e3a80945fc3f9617c981d3c7a9d48d9b6616e42c172884dc32102d.exe Token: SeTcbPrivilege 2532 bb4c4fe763e3a80945fc3f9617c981d3c7a9d48d9b6616e42c172884dc32102d.exe Token: SeDebugPrivilege 2532 bb4c4fe763e3a80945fc3f9617c981d3c7a9d48d9b6616e42c172884dc32102d.exe Token: SeDebugPrivilege 1204 Explorer.EXE Token: SeTcbPrivilege 1204 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1204 Explorer.EXE 1204 Explorer.EXE -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1204 Explorer.EXE 1204 Explorer.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2532 wrote to memory of 1204 2532 bb4c4fe763e3a80945fc3f9617c981d3c7a9d48d9b6616e42c172884dc32102d.exe 18 PID 2532 wrote to memory of 1204 2532 bb4c4fe763e3a80945fc3f9617c981d3c7a9d48d9b6616e42c172884dc32102d.exe 18 PID 2532 wrote to memory of 1204 2532 bb4c4fe763e3a80945fc3f9617c981d3c7a9d48d9b6616e42c172884dc32102d.exe 18
Processes
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C:\Users\Admin\AppData\Local\Temp\bb4c4fe763e3a80945fc3f9617c981d3c7a9d48d9b6616e42c172884dc32102d.exe"C:\Users\Admin\AppData\Local\Temp\bb4c4fe763e3a80945fc3f9617c981d3c7a9d48d9b6616e42c172884dc32102d.exe"1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2532
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1204
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD501272566e40e4eaf22c2fa03da59da6a
SHA15fe5f26ad32a6770235dc22e56e1bccec0714584
SHA256bd920e09213c49a545d842d1deb4ca0541686dc6aed9aa9d33ef57e8bcf4c5e0
SHA5120e2566e442504c0b09622396ce1280ff4c8a5e32c38bb6b9c52d85dc8f1afba9cd064a58797e37614b946a1fae20176fe277ea6a40cc5003fce2f8a67fcd4c9d
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD540b5d87bd6c4881e92023c399b8e7485
SHA181063dd648b1c7f58be08c3cfa765495918b376b
SHA256cbdbbef9e2a84362a8e450ec0bfcdec6e06b4b96d2cb5244edf333c2f5abb99b
SHA512bbd9717c66668600ee933f06aeafd8331321a77de757b200adb87c557fd04ae35337228aaaaebb5f3af67e9635032b21697335bfc6dd9a5ef290259a27e66401
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD57410acc033a80fcc2a2ad4ba0a48fbe8
SHA124eb4f9e27bd3266d5cb472ac1ab28def21c1b62
SHA256a0c4681c65c804b79bd826a888d372dd9379e0f22667b0bf3ab19544b349aa8b
SHA512405ad09983bf9985381ca072f2d5c27c4b9fa069b9884a9662b7f0954c6be839cdebe6f31ed9ea8c36d72400fd0f5e96cbe790632c3a4bcfa2db2624e3376d87
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Filesize
65KB
MD5ac05d27423a85adc1622c714f2cb6184
SHA1b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA5126d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d
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Filesize
171KB
MD59c0c641c06238516f27941aa1166d427
SHA164cd549fb8cf014fcd9312aa7a5b023847b6c977
SHA2564276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
SHA512936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06