Analysis
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max time kernel
147s -
max time network
149s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
21-10-2021 12:15
Static task
static1
Behavioral task
behavioral1
Sample
triage_dropped_file.exe
Resource
win7-en-20210920
General
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Target
triage_dropped_file.exe
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Size
253KB
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MD5
d0e4c13e6c8ba9fe34d86b554b595d9a
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SHA1
83eee2dbe00ae265af9eb13105dc1068b6b034cd
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SHA256
f8d9fbcef6907460baa7c91e53d1a40865901bb50906b5519cba440fdbc65032
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SHA512
72f5fcd367c0f0fdc83827bea529f84a85ace28550a5cd8102cb0cde2829d81defe312fb0d95d3c5a8e8728f4efd8cb433bfab0b3e1f265fffdc4e0ad687247d
Malware Config
Extracted
xloader
2.5
kqna
http://www.surfsolutions.info/kqna/
achyutlifesciences.com
anthemmg.com
netkopat.com
generationgirlnaturals.com
novatel-network.com
craftstockco.com
thevishantiverse.art
elkerfly.com
haerotechs.com
candypalette.com
gregdokes.com
e-commerce.company
gratitudeland.com
companyintelcloud.com
publicyazilim.com
xc6811.com
aracsozluk.com
janesgalant.quest
fraserstephendop.com
ryan.rentals
wyse-solutions.com
reddishslouqb.xyz
rukygua.xyz
unlimitedrehab.com
fundafes.com
goodoffice.online
guserq.com
tigerstarmatka.com
ganleychevybuyscars.com
murrayforcongress.com
artistandfund.com
integritynotarial.com
cantomarbait.com
alifdanismanlik.com
meggisiegert.com
high-clicks3.com
xn--schwche-8wa.com
caffeiny.com
landsoftexasranchland.com
armmapp.com
cursosminharendaextra.com
globalmarineserv.com
lowestfars.com
finlayo.com
hautlescoeurscollection.com
cyclesforyou.com
bagwashs.com
medicaltrust-sd.com
passivemen.com
midatlanticbath.com
mchaskellproperties.com
facetofacewith.com
worldwidecorumuk.com
g632b.online
atozshoppingllc.com
jcswkj.net
czemi.com
minutemannetwork.net
hjku.xyz
uko7wuyj.xyz
amigasconesencia.com
hodgeandpartners.com
edfnu.com
corncobmeal.com
Signatures
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Xloader Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1284-57-0x000000000041D400-mapping.dmp xloader behavioral1/memory/1284-56-0x0000000000400000-0x0000000000429000-memory.dmp xloader behavioral1/memory/568-66-0x00000000000C0000-0x00000000000E9000-memory.dmp xloader -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 812 cmd.exe -
Loads dropped DLL 1 IoCs
Processes:
triage_dropped_file.exepid process 1880 triage_dropped_file.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
triage_dropped_file.exetriage_dropped_file.exemsdt.exedescription pid process target process PID 1880 set thread context of 1284 1880 triage_dropped_file.exe triage_dropped_file.exe PID 1284 set thread context of 1376 1284 triage_dropped_file.exe Explorer.EXE PID 568 set thread context of 1376 568 msdt.exe Explorer.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 30 IoCs
Processes:
triage_dropped_file.exemsdt.exepid process 1284 triage_dropped_file.exe 1284 triage_dropped_file.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe 568 msdt.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 1376 Explorer.EXE -
Suspicious behavior: MapViewOfSection 5 IoCs
Processes:
triage_dropped_file.exemsdt.exepid process 1284 triage_dropped_file.exe 1284 triage_dropped_file.exe 1284 triage_dropped_file.exe 568 msdt.exe 568 msdt.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
triage_dropped_file.exemsdt.exedescription pid process Token: SeDebugPrivilege 1284 triage_dropped_file.exe Token: SeDebugPrivilege 568 msdt.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
Explorer.EXEpid process 1376 Explorer.EXE 1376 Explorer.EXE -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
Explorer.EXEpid process 1376 Explorer.EXE 1376 Explorer.EXE -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
triage_dropped_file.exeExplorer.EXEmsdt.exedescription pid process target process PID 1880 wrote to memory of 1284 1880 triage_dropped_file.exe triage_dropped_file.exe PID 1880 wrote to memory of 1284 1880 triage_dropped_file.exe triage_dropped_file.exe PID 1880 wrote to memory of 1284 1880 triage_dropped_file.exe triage_dropped_file.exe PID 1880 wrote to memory of 1284 1880 triage_dropped_file.exe triage_dropped_file.exe PID 1880 wrote to memory of 1284 1880 triage_dropped_file.exe triage_dropped_file.exe PID 1880 wrote to memory of 1284 1880 triage_dropped_file.exe triage_dropped_file.exe PID 1880 wrote to memory of 1284 1880 triage_dropped_file.exe triage_dropped_file.exe PID 1376 wrote to memory of 568 1376 Explorer.EXE msdt.exe PID 1376 wrote to memory of 568 1376 Explorer.EXE msdt.exe PID 1376 wrote to memory of 568 1376 Explorer.EXE msdt.exe PID 1376 wrote to memory of 568 1376 Explorer.EXE msdt.exe PID 568 wrote to memory of 812 568 msdt.exe cmd.exe PID 568 wrote to memory of 812 568 msdt.exe cmd.exe PID 568 wrote to memory of 812 568 msdt.exe cmd.exe PID 568 wrote to memory of 812 568 msdt.exe cmd.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\msdt.exe"C:\Windows\SysWOW64\msdt.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"3⤵
- Deletes itself
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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\Users\Admin\AppData\Local\Temp\nstC3AE.tmp\oirygpbyia.dllMD5
6d2a0ca8aac6594e4f037d3cecdace3b
SHA12fdc815752d2483ae536ed60dd2104b0e5cc2abd
SHA256f7a3aa43e037f6b25c8070b3aaac9f0c5037abb1c4d01afd30a6f52f7c44f468
SHA512cacc25100aedd926141416ef443dd40f03cb6b1512129bd707fc8ece1c9db2ad9a1de559e8cb3d29b569e2b1b843822f4ef681c4ea33bc5a6a290a3f17bdb7ee
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memory/568-62-0x0000000000000000-mapping.dmp
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memory/568-68-0x0000000000420000-0x00000000004B0000-memory.dmpFilesize
576KB
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memory/568-67-0x00000000023E0000-0x00000000026E3000-memory.dmpFilesize
3.0MB
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memory/568-66-0x00000000000C0000-0x00000000000E9000-memory.dmpFilesize
164KB
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memory/568-65-0x0000000000C10000-0x0000000000D04000-memory.dmpFilesize
976KB
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memory/812-64-0x0000000000000000-mapping.dmp
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memory/1284-56-0x0000000000400000-0x0000000000429000-memory.dmpFilesize
164KB
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memory/1284-60-0x0000000000340000-0x0000000000351000-memory.dmpFilesize
68KB
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memory/1284-58-0x00000000008A0000-0x0000000000BA3000-memory.dmpFilesize
3.0MB
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memory/1284-57-0x000000000041D400-mapping.dmp
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memory/1376-61-0x00000000068C0000-0x0000000006A4B000-memory.dmpFilesize
1.5MB
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memory/1376-69-0x0000000004F90000-0x0000000005095000-memory.dmpFilesize
1.0MB
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memory/1880-54-0x0000000074B91000-0x0000000074B93000-memory.dmpFilesize
8KB