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12-04-2024 14:24
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240329-c4jf6aga87 9Analysis
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max time kernel
258s -
max time network
1205s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
12-04-2024 14:24
Static task
static1
Behavioral task
behavioral1
Sample
bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral4
Sample
bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe
Resource
win11-20240412-en
General
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Target
bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe
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Size
1.9MB
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MD5
bab406ad3b0603a45625755ffbccce49
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SHA1
7ce0bd31c68c5b54854098acad195b7a8d804939
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SHA256
bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8
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SHA512
a85ca2bc5ab42f8d32856a87c665b66df7d8e1c1ebbb143015d06fcc1bddba1faf684e2ee1d2a572f5ed04edf3a061837c293b5c1e3d2214864b90d8a68d25cc
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SSDEEP
49152:hgWDef4IXn7EvfNf+x83OeG5ztpAEq2pe2n9SCtQV:hvo49fk83ONztiEqz2nA
Malware Config
Signatures
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Processes:
resource yara_rule behavioral3/memory/1776-3-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-4-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-5-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-6-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-7-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-8-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-13-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-14-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-15-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-16-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-17-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-18-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-19-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-22-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-23-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-24-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-25-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-26-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-27-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-43-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-44-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-45-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-49-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-50-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-59-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-60-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-61-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-62-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-63-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-65-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-70-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-79-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-84-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-85-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-97-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-100-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-99-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-93-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-92-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-87-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-95-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-83-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-88-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-81-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-80-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-77-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-75-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-73-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-78-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-74-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-69-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-72-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/1776-67-0x0000000000400000-0x0000000000848000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CSRSS = "\"C:\\ProgramData\\Drivers\\csrss.exe\"" bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe -
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exedescription pid process target process PID 4300 set thread context of 1776 4300 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exepid process 1776 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 1776 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 1776 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 1776 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 1776 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 1776 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exedescription pid process target process PID 4300 wrote to memory of 1776 4300 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe PID 4300 wrote to memory of 1776 4300 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe PID 4300 wrote to memory of 1776 4300 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe PID 4300 wrote to memory of 1776 4300 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe PID 4300 wrote to memory of 1776 4300 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe PID 4300 wrote to memory of 1776 4300 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe PID 4300 wrote to memory of 1776 4300 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe PID 4300 wrote to memory of 1776 4300 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe"C:\Users\Admin\AppData\Local\Temp\bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4300 -
C:\Users\Admin\AppData\Local\Temp\bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe"C:\Users\Admin\AppData\Local\Temp\bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:1776
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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=3784 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:81⤵PID:1696
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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=4136 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:81⤵PID:8436
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.7MB
MD5dab2b43a5160f05ac051521d8b3c9cb3
SHA168363d3e871099ff6d1a555e4c1c78bb8f15fb5d
SHA256af4bb8cfd42af037db2ce687f858c9627e7dc9d953a46f8539c9cd6fa2e8eebc
SHA512ad5a16746933b869d0e520bec027ff37cefd75c5add28ec8811bef0fffbe0126b6b44cb9c80c70dbe088bbbfb9e3a611bb1370189d8978793cbeb36ea9873211
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Filesize
8.6MB
MD5219f74732fc576aa8f2e167eba81f027
SHA14f19be681007f1885c722553af12647f7c0f35b3
SHA256d40f97c7ceca62500c2cf23443514054d576d2fb884e3247fcff0c306cbb115a
SHA5126dd44974d08ebfeb922c1c295d2a221c1178950aed9e0235c6f5b55aa9a7d45859e69536dbd2541893e2efbc40628f3e09d36e1b7b4279ccc45ca5b0daaee635