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240311-stsj3sab93 10Analysis
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max time kernel
166s -
max time network
178s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
11-03-2024 15:38
Behavioral task
behavioral1
Sample
Nitr0-G3n3rat0r.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Nitr0-G3n3rat0r.exe
Resource
win10v2004-20240226-en
General
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Target
Nitr0-G3n3rat0r.exe
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Size
23.8MB
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MD5
f04a56628a19894bd9c0403757656f79
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SHA1
1c4d8f4c61297d9128c5922b097c9a1619dea695
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SHA256
5698d21c2b45070e70349fd8c7358afcab0d36fdd5bac0a1f8174a1dd6d311b2
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SHA512
8f03e5b400d54a7569eaa6fffb408692cd35bdb498ce0b735cd4b49d6abcebed90e61c9246987abafbd30124b417db54f2f8fd93ed1b602b5ffb14944a824685
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SSDEEP
393216:WuLrpBgQTSBfFZNRwSo6oDfDg4c6AHZgOGF3hi:r5BgQeBfFXR66ob03pZr63
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
ddraw32.dllddraw32.dllpid process 5084 ddraw32.dll 2788 ddraw32.dll -
Processes:
resource yara_rule behavioral2/memory/4252-0-0x0000000000400000-0x0000000000410000-memory.dmp upx C:\Windows\SysWOW64\ddraw32.dll upx behavioral2/memory/5084-8-0x0000000000400000-0x0000000000410000-memory.dmp upx behavioral2/memory/4252-7-0x0000000000400000-0x0000000000410000-memory.dmp upx behavioral2/memory/2788-9-0x0000000000400000-0x0000000000410000-memory.dmp upx behavioral2/memory/5084-13-0x0000000000400000-0x0000000000410000-memory.dmp upx behavioral2/memory/2788-15-0x0000000000400000-0x0000000000410000-memory.dmp upx -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
Processes:
flow ioc 250 raw.githubusercontent.com 251 raw.githubusercontent.com 252 raw.githubusercontent.com 253 raw.githubusercontent.com 254 raw.githubusercontent.com 255 raw.githubusercontent.com -
Drops file in System32 directory 1 IoCs
Processes:
Bumerang.exedescription ioc process File created C:\Windows\SysWOW64\ddraw32.dll Bumerang.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2356 5084 WerFault.exe ddraw32.dll -
Modifies registry class 1 IoCs
Processes:
msedge.exedescription ioc process Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-3808065738-1666277613-1125846146-1000\{6BEDBEFC-EB8E-45E9-B6D8-9A180C723DF6} msedge.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
Bumerang.exedescription pid process target process PID 4252 wrote to memory of 5084 4252 Bumerang.exe ddraw32.dll PID 4252 wrote to memory of 5084 4252 Bumerang.exe ddraw32.dll PID 4252 wrote to memory of 5084 4252 Bumerang.exe ddraw32.dll PID 4252 wrote to memory of 2788 4252 Bumerang.exe ddraw32.dll PID 4252 wrote to memory of 2788 4252 Bumerang.exe ddraw32.dll PID 4252 wrote to memory of 2788 4252 Bumerang.exe ddraw32.dll
Processes
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=17 --mojo-platform-channel-handle=2852 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:11⤵PID:4924
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --instant-process --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=18 --mojo-platform-channel-handle=4272 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:11⤵PID:4628
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5792 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:81⤵PID:3552
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=21 --mojo-platform-channel-handle=5872 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:11⤵PID:5036
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --instant-process --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=22 --mojo-platform-channel-handle=4880 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:11⤵PID:3772
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=23 --mojo-platform-channel-handle=5360 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:11⤵PID:3668
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=24 --mojo-platform-channel-handle=5300 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:11⤵PID:2956
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C:\Users\Admin\AppData\Local\Temp\Nitr0-G3n3rat0r.exe"C:\Users\Admin\AppData\Local\Temp\Nitr0-G3n3rat0r.exe"1⤵PID:220
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3744 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:81⤵PID:3060
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --no-appcompat-clear --mojo-platform-channel-handle=5616 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:81⤵PID:5080
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=27 --mojo-platform-channel-handle=5796 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:11⤵PID:2968
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=5896 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:81⤵PID:312
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=29 --mojo-platform-channel-handle=6252 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:11⤵PID:5036
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --no-appcompat-clear --mojo-platform-channel-handle=6216 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:81⤵PID:2836
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=video_capture.mojom.VideoCaptureService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=6280 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:81⤵
- Modifies registry class
PID:3116
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=32 --mojo-platform-channel-handle=6312 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:11⤵PID:5184
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=33 --mojo-platform-channel-handle=6628 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:11⤵PID:5516
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=34 --mojo-platform-channel-handle=6716 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:11⤵PID:5528
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --lang=en-US --service-sandbox-type=collections --no-appcompat-clear --mojo-platform-channel-handle=4828 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:81⤵PID:6020
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=36 --mojo-platform-channel-handle=6808 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:11⤵PID:6028
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=7316 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:81⤵PID:2336
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --no-appcompat-clear --mojo-platform-channel-handle=7536 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:81⤵PID:5268
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C:\Users\Admin\Downloads\Bumerang.exe"C:\Users\Admin\Downloads\Bumerang.exe"1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4252 -
C:\Windows\SysWOW64\ddraw32.dllC:\Windows\system32\ddraw32.dll2⤵
- Executes dropped EXE
PID:5084 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5084 -s 3243⤵
- Program crash
PID:2356
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C:\Windows\SysWOW64\ddraw32.dllC:\Windows\system32\ddraw32.dll :C:\Users\Admin\Downloads\Bumerang.exe2⤵
- Executes dropped EXE
PID:2788
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 5084 -ip 50841⤵PID:5300
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:1296
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
22KB
MD5f1ac5c806ed1e188c54e0861cbf1f358
SHA1b2a2895a0eae5e2ef8d10ed0f079d0fcfea9585a
SHA25687b7d23ab8720f1087d50a902244cbbdc25245b29da9bfa54698a4545b82afc4
SHA512ddb61b46a71db7401984e1917f0ef1498883cff76f0a98ff8d65acb08b6d7181511ca57a1e23c7482fc9d26afcf48b662896375b80eff4b2e0d08b7b55d9b98f