Resubmissions
02-08-2024 21:46
240802-1m17mswere 10Analysis
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max time kernel
15s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
02-08-2024 21:46
Behavioral task
behavioral1
Sample
Loader.exe
Resource
win7-20240704-en
General
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Target
Loader.exe
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Size
80.8MB
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MD5
93e39aca43080a3a84a6e7a492b586a7
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SHA1
eee096dcfba81e22bd3422243fef9705e0d9cd9c
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SHA256
6fdf6a1447279d9126829e279c7153d13c4e34312d5b74b1a66791f78535bac7
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SHA512
e6f4b383d76f640cc6f5c59367af3719bd13c8cb609dfc511561eef7813fae62d640c8e24b4f4fc0c8242d9efed4a2e02244309be37f1ddd71a6f464a12714d7
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SSDEEP
1572864:NFh7vHcRltSk8IpG7V+VPhqYdfME7FFlHFziYweyJulZUdgAdW47jzux3a/Z9U:3h7vHcRLSkB05awcfhdCpukdRna49U
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
Processes:
Loader.exeLoader.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Loader.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Loader.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
Loader.exeLoader.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Loader.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Loader.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Loader.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Loader.exe -
Loads dropped DLL 7 IoCs
Processes:
Loader.exepid process 1648 Loader.exe 1648 Loader.exe 1648 Loader.exe 1648 Loader.exe 1648 Loader.exe 1648 Loader.exe 1648 Loader.exe -
Processes:
resource yara_rule behavioral1/memory/2112-0-0x0000000140000000-0x00000001409BE000-memory.dmp themida behavioral1/memory/2112-3-0x0000000140000000-0x00000001409BE000-memory.dmp themida behavioral1/memory/2112-2-0x0000000140000000-0x00000001409BE000-memory.dmp themida behavioral1/memory/2112-4-0x0000000140000000-0x00000001409BE000-memory.dmp themida behavioral1/memory/1648-1298-0x0000000140000000-0x00000001409BE000-memory.dmp themida behavioral1/memory/1648-1301-0x0000000140000000-0x00000001409BE000-memory.dmp themida behavioral1/memory/1648-1302-0x0000000140000000-0x00000001409BE000-memory.dmp themida behavioral1/memory/1648-1300-0x0000000140000000-0x00000001409BE000-memory.dmp themida behavioral1/memory/2112-1318-0x0000000140000000-0x00000001409BE000-memory.dmp themida behavioral1/memory/1648-1319-0x0000000140000000-0x00000001409BE000-memory.dmp themida behavioral1/memory/2112-2606-0x0000000140000000-0x00000001409BE000-memory.dmp themida -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\_MEI21122\python312.dll upx -
Processes:
Loader.exeLoader.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Loader.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Loader.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
Loader.exeLoader.exepid process 2112 Loader.exe 1648 Loader.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
Loader.exedescription pid process target process PID 2112 wrote to memory of 1648 2112 Loader.exe Loader.exe PID 2112 wrote to memory of 1648 2112 Loader.exe Loader.exe PID 2112 wrote to memory of 1648 2112 Loader.exe Loader.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Loader.exe"C:\Users\Admin\AppData\Local\Temp\Loader.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:2112 -
C:\Users\Admin\AppData\Local\Temp\Loader.exe"C:\Users\Admin\AppData\Local\Temp\Loader.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:1648
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"1⤵PID:2388
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.7MB
MD5506c760a20e6bb940590229d41449ffa
SHA1b7c439f253987fb0ff66fc5ce959cf711b18eb8d
SHA256e63503b2715df3eab8abb9b2682129e27a7add9acea9008f06f55494a2b2f3d5
SHA51234df2e8e53caac0cd72cb3c5848296ca8cfa10c542c0a5f88385d6b35ab70b86957540de2ff105a27cefb37ccbb5789261a69132b535a857df32875c1f9deb9e
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Filesize
992KB
MD50e0bac3d1dcc1833eae4e3e4cf83c4ef
SHA14189f4459c54e69c6d3155a82524bda7549a75a6
SHA2568a91052ef261b5fbf3223ae9ce789af73dfe1e9b0ba5bdbc4d564870a24f2bae
SHA512a45946e3971816f66dd7ea3788aacc384a9e95011500b458212dc104741315b85659e0d56a41570731d338bdf182141c093d3ced222c007038583ceb808e26fd
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Filesize
21KB
MD51c58526d681efe507deb8f1935c75487
SHA10e6d328faf3563f2aae029bc5f2272fb7a742672
SHA256ef13dce8f71173315dfc64ab839b033ab19a968ee15230e9d4d2c9d558efeee2
SHA5128edb9a0022f417648e2ece9e22c96e2727976332025c3e7d8f15bcf6d7d97e680d1bf008eb28e2e0bd57787dcbb71d38b2deb995b8edc35fa6852ab1d593f3d1
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Filesize
18KB
MD5bfffa7117fd9b1622c66d949bac3f1d7
SHA1402b7b8f8dcfd321b1d12fc85a1ee5137a5569b2
SHA2561ea267a2e6284f17dd548c6f2285e19f7edb15d6e737a55391140ce5cb95225e
SHA512b319cc7b436b1be165cdf6ffcab8a87fe29de78f7e0b14c8f562be160481fb5483289bd5956fdc1d8660da7a3f86d8eede35c6cc2b7c3d4c852decf4b2dcdb7f
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Filesize
21KB
MD5724223109e49cb01d61d63a8be926b8f
SHA1072a4d01e01dbbab7281d9bd3add76f9a3c8b23b
SHA2564e975f618df01a492ae433dff0dd713774d47568e44c377ceef9e5b34aad1210
SHA51219b0065b894dc66c30a602c9464f118e7f84d83010e74457d48e93aaca4422812b093b15247b24d5c398b42ef0319108700543d13f156067b169ccfb4d7b6b7c
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Filesize
21KB
MD5517eb9e2cb671ae49f99173d7f7ce43f
SHA14ccf38fed56166ddbf0b7efb4f5314c1f7d3b7ab
SHA25657cc66bf0909c430364d35d92b64eb8b6a15dc201765403725fe323f39e8ac54
SHA512492be2445b10f6bfe6c561c1fc6f5d1af6d1365b7449bc57a8f073b44ae49c88e66841f5c258b041547fcd33cbdcb4eb9dd3e24f0924db32720e51651e9286be
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Filesize
21KB
MD5d12403ee11359259ba2b0706e5e5111c
SHA103cc7827a30fd1dee38665c0cc993b4b533ac138
SHA256f60e1751a6ac41f08e46480bf8e6521b41e2e427803996b32bdc5e78e9560781
SHA5129004f4e59835af57f02e8d9625814db56f0e4a98467041da6f1367ef32366ad96e0338d48fff7cc65839a24148e2d9989883bcddc329d9f4d27cae3f843117d0