Analysis
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max time kernel
163s -
max time network
177s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
02/01/2024, 08:18
Behavioral task
behavioral1
Sample
213fb61afcb95c40e44ac58a56b8eb9a5f5d7209011e72bcb170efe1f0a6c871.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
213fb61afcb95c40e44ac58a56b8eb9a5f5d7209011e72bcb170efe1f0a6c871.exe
Resource
win10v2004-20231215-en
General
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Target
213fb61afcb95c40e44ac58a56b8eb9a5f5d7209011e72bcb170efe1f0a6c871.exe
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Size
536KB
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MD5
2ef5ea9cbe02d2f10536c6a171d9df00
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SHA1
3c6d62a7e160b7ba166e068e31db24ae7b9a9f3f
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SHA256
213fb61afcb95c40e44ac58a56b8eb9a5f5d7209011e72bcb170efe1f0a6c871
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SHA512
4fb8b150c5e8c397182c7c0bd0b2377c02f94b541b442ccd5ce17bf123f770b2dd19aac2eb9d16e2856c69a2af0c5f205f24f2bcb0ff73ff5151546857ea1150
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SSDEEP
12288:Hhf0Bs9bDDq9hu53Ltp/p+gPhhwPOaoTJRkmOkx2LIa:HdQyDL9xp/BGA1RkmOkx2LF
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3480-0-0x0000000000330000-0x0000000000432000-memory.dmp upx behavioral2/memory/3480-1-0x0000000000330000-0x0000000000432000-memory.dmp upx behavioral2/memory/3480-4-0x0000000000330000-0x0000000000432000-memory.dmp upx behavioral2/memory/3480-10-0x0000000000330000-0x0000000000432000-memory.dmp upx behavioral2/memory/3480-21-0x0000000000330000-0x0000000000432000-memory.dmp upx behavioral2/memory/3480-32-0x0000000000330000-0x0000000000432000-memory.dmp upx behavioral2/memory/3480-35-0x0000000000330000-0x0000000000432000-memory.dmp upx behavioral2/memory/3480-47-0x0000000000330000-0x0000000000432000-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 114.114.114.114 Destination IP 114.114.114.114 Destination IP 223.5.5.5 Destination IP 223.5.5.5 -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\3b9430 213fb61afcb95c40e44ac58a56b8eb9a5f5d7209011e72bcb170efe1f0a6c871.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 3480 213fb61afcb95c40e44ac58a56b8eb9a5f5d7209011e72bcb170efe1f0a6c871.exe 3480 213fb61afcb95c40e44ac58a56b8eb9a5f5d7209011e72bcb170efe1f0a6c871.exe 3480 213fb61afcb95c40e44ac58a56b8eb9a5f5d7209011e72bcb170efe1f0a6c871.exe 3480 213fb61afcb95c40e44ac58a56b8eb9a5f5d7209011e72bcb170efe1f0a6c871.exe 3480 213fb61afcb95c40e44ac58a56b8eb9a5f5d7209011e72bcb170efe1f0a6c871.exe 3480 213fb61afcb95c40e44ac58a56b8eb9a5f5d7209011e72bcb170efe1f0a6c871.exe 3480 213fb61afcb95c40e44ac58a56b8eb9a5f5d7209011e72bcb170efe1f0a6c871.exe 3480 213fb61afcb95c40e44ac58a56b8eb9a5f5d7209011e72bcb170efe1f0a6c871.exe 3580 Explorer.EXE 3580 Explorer.EXE 3580 Explorer.EXE 3580 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 3480 213fb61afcb95c40e44ac58a56b8eb9a5f5d7209011e72bcb170efe1f0a6c871.exe Token: SeTcbPrivilege 3480 213fb61afcb95c40e44ac58a56b8eb9a5f5d7209011e72bcb170efe1f0a6c871.exe Token: SeDebugPrivilege 3480 213fb61afcb95c40e44ac58a56b8eb9a5f5d7209011e72bcb170efe1f0a6c871.exe Token: SeDebugPrivilege 3580 Explorer.EXE Token: SeTcbPrivilege 3580 Explorer.EXE -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3580 Explorer.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3480 wrote to memory of 3580 3480 213fb61afcb95c40e44ac58a56b8eb9a5f5d7209011e72bcb170efe1f0a6c871.exe 66 PID 3480 wrote to memory of 3580 3480 213fb61afcb95c40e44ac58a56b8eb9a5f5d7209011e72bcb170efe1f0a6c871.exe 66 PID 3480 wrote to memory of 3580 3480 213fb61afcb95c40e44ac58a56b8eb9a5f5d7209011e72bcb170efe1f0a6c871.exe 66
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3580 -
C:\Users\Admin\AppData\Local\Temp\213fb61afcb95c40e44ac58a56b8eb9a5f5d7209011e72bcb170efe1f0a6c871.exe"C:\Users\Admin\AppData\Local\Temp\213fb61afcb95c40e44ac58a56b8eb9a5f5d7209011e72bcb170efe1f0a6c871.exe"2⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3480
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046
Filesize1KB
MD5ac014cef6cfe67878d8c40ab763bdf4a
SHA19213d01d7e180e9d62f8bcf12e41a3c1024a7240
SHA256bc357cfeb8ec83a9f81951778964baf14f360e23f870da4301f1ea222de70f72
SHA5128cac47116a686f8fdbf73dd5980ab41907a58cbd86e71bd61e7a51350fd3735f3b558e425d367fa62b578e14bbb9da18c6458f4735bed1d46e40d3222e888e93
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D440AC65793A7BBE167BE882B99F465E
Filesize938B
MD5596efc00ea4325ff6b4ab2347a5956ec
SHA165cd651905b293b692ef87a30b0a8235608078ce
SHA256c2e26e0caae647d3c482ee241841ce423be2e462d70abf4b75bd7436457cf9ed
SHA512de9bd24915bb11921192fb7747f124397855a46a65b5f022d41321e836beec7128e095b1abf8201d2e01682e3b594f69907085eefa558f6f04f1e46e06759b90
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046
Filesize502B
MD58dc8d04a157db1d36f13a7afb1d23d6a
SHA133e3eeb445a807a5a8dc63fa93591d949a8a3019
SHA256865f585d3674929bd8dabb9e4f92243e4a8094b42fe4e70177e180a90a2ddf2e
SHA512e3739806f791ca5c78aa7bcfd81575e54f08372848c307eab76002da15a7ee7b74c450ca98c338d45597d11413c5ac0b073fe2942babec9073820e6379c2dd62
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D440AC65793A7BBE167BE882B99F465E
Filesize520B
MD5a7f2b4a86071fa9a90f8bd06dba38853
SHA148a0e6d04a78963b6714e7aaec619eb55a002657
SHA25641b7472d26f9129357070c7f79be5b102bbdf9907dade48b0ab608ae255f23d1
SHA512d5fc91d6d9706b8cb947660164badb19adf2f363c660030ca09a76ba25bb95265a3e0fa0c6b3614a04f5b554b75bc8d4c4da9f676fe6a10af14dbe37f1fe4887