Analysis
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max time kernel
151s -
max time network
153s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
26-10-2021 09:21
Static task
static1
Behavioral task
behavioral1
Sample
Unpaid invoice.exe
Resource
win7-en-20210920
General
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Target
Unpaid invoice.exe
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Size
258KB
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MD5
79c6ad84e9a64439531ef1197e68587b
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SHA1
ce9360870150cba1c282b631d7257b5d1f740162
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SHA256
eb4f57c9488afdfcae998056c4854f63c921e45d077c4a53fc6d927463ea5267
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SHA512
c9b5a09b0f47c4cc9b0d9a6c3cc4d95b3dddf3dedcded68126e407f86e0e340b9c6b240589dfb2e94ae9863619b41862e10e0ac5e1bb86fd6e91cd8446c8ce2f
Malware Config
Extracted
xloader
2.5
b2c0
http://www.thesewhitevvalls.com/b2c0/
bjyxszd520.xyz
hsvfingerprinting.com
elliotpioneer.com
bf396.com
chinaopedia.com
6233v.com
shopeuphoricapparel.com
loccssol.store
truefictionpictures.com
playstarexch.com
peruviancoffee.store
shobhajoshi.com
philme.net
avito-rules.com
independencehomecenters.com
atp-cayenne.com
invetorsbank.com
sasanos.com
scentfreebnb.com
catfuid.com
sunshinefamilysupport.com
madison-co-atty.net
newhousebr.com
newstodayupdate.com
kamalaanjna.com
itpronto.com
hi-loentertainment.com
sadpartyrentals.com
vertuminy.com
khomayphotocopy.club
roleconstructora.com
cottonhome.online
starsspell.com
bedrijfs-kledingshop.com
aydeyahouse.com
miaintervista.com
taolemix.com
lnagvv.space
bjmobi.com
collabkc.art
onayli.net
ecostainable.com
vi88.info
brightlifeprochoice.com
taoluzhibo.info
techgobble.com
ideemimarlikinsaat.com
andajzx.com
shineshaft.website
arroundworld.com
reyuzed.com
emilfaucets.com
lumberjackguitarloops.com
pearl-interior.com
altitudebc.com
cqjiubai.com
kutahyaescortbayanlarim.xyz
metalworkingadditives.online
unasolucioendesa.com
andrewfjohnston.com
visionmark.net
dxxlewis.com
carts-amazon.com
anadolu.academy
Signatures
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Xloader Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/772-116-0x0000000000400000-0x0000000000429000-memory.dmp xloader behavioral2/memory/772-117-0x000000000041D4C0-mapping.dmp xloader behavioral2/memory/2272-125-0x0000000002D80000-0x0000000002DA9000-memory.dmp xloader -
Loads dropped DLL 1 IoCs
Processes:
Unpaid invoice.exepid process 4260 Unpaid invoice.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
Unpaid invoice.exeUnpaid invoice.exemstsc.exedescription pid process target process PID 4260 set thread context of 772 4260 Unpaid invoice.exe Unpaid invoice.exe PID 772 set thread context of 2712 772 Unpaid invoice.exe Explorer.EXE PID 2272 set thread context of 2712 2272 mstsc.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 62 IoCs
Processes:
Unpaid invoice.exemstsc.exepid process 772 Unpaid invoice.exe 772 Unpaid invoice.exe 772 Unpaid invoice.exe 772 Unpaid invoice.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe 2272 mstsc.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 2712 Explorer.EXE -
Suspicious behavior: MapViewOfSection 5 IoCs
Processes:
Unpaid invoice.exemstsc.exepid process 772 Unpaid invoice.exe 772 Unpaid invoice.exe 772 Unpaid invoice.exe 2272 mstsc.exe 2272 mstsc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Unpaid invoice.exemstsc.exedescription pid process Token: SeDebugPrivilege 772 Unpaid invoice.exe Token: SeDebugPrivilege 2272 mstsc.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
Unpaid invoice.exeExplorer.EXEmstsc.exedescription pid process target process PID 4260 wrote to memory of 772 4260 Unpaid invoice.exe Unpaid invoice.exe PID 4260 wrote to memory of 772 4260 Unpaid invoice.exe Unpaid invoice.exe PID 4260 wrote to memory of 772 4260 Unpaid invoice.exe Unpaid invoice.exe PID 4260 wrote to memory of 772 4260 Unpaid invoice.exe Unpaid invoice.exe PID 4260 wrote to memory of 772 4260 Unpaid invoice.exe Unpaid invoice.exe PID 4260 wrote to memory of 772 4260 Unpaid invoice.exe Unpaid invoice.exe PID 2712 wrote to memory of 2272 2712 Explorer.EXE mstsc.exe PID 2712 wrote to memory of 2272 2712 Explorer.EXE mstsc.exe PID 2712 wrote to memory of 2272 2712 Explorer.EXE mstsc.exe PID 2272 wrote to memory of 4052 2272 mstsc.exe cmd.exe PID 2272 wrote to memory of 4052 2272 mstsc.exe cmd.exe PID 2272 wrote to memory of 4052 2272 mstsc.exe cmd.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Unpaid invoice.exe"C:\Users\Admin\AppData\Local\Temp\Unpaid invoice.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Unpaid invoice.exe"C:\Users\Admin\AppData\Local\Temp\Unpaid invoice.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\mstsc.exe"C:\Windows\SysWOW64\mstsc.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\Unpaid invoice.exe"3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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\Users\Admin\AppData\Local\Temp\nsnB1FC.tmp\luxel.dllMD5
a0a058dd0d25e6c58d63fade1e71ed9b
SHA19fbd6ff0aa0ec59078a3c6184f8d4a2ca4efb245
SHA256d42d9dc83208817a972e069772d43cfb0dc3a781cf337732c94106c3bb8bd859
SHA512ec664ed0f069b305917dfab1aad6054dbe521b61c20d2b111657e45b184328bac0c37a1d54a5397a8f81ce44092585fab14998af738c1e37611df2a7a07dbcb9
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memory/772-120-0x00000000008F0000-0x0000000000901000-memory.dmpFilesize
68KB
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memory/772-116-0x0000000000400000-0x0000000000429000-memory.dmpFilesize
164KB
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memory/772-117-0x000000000041D4C0-mapping.dmp
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memory/772-118-0x00000000009D0000-0x0000000000CF0000-memory.dmpFilesize
3.1MB
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memory/2272-122-0x0000000000000000-mapping.dmp
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memory/2272-124-0x0000000000980000-0x0000000000C7C000-memory.dmpFilesize
3.0MB
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memory/2272-125-0x0000000002D80000-0x0000000002DA9000-memory.dmpFilesize
164KB
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memory/2272-126-0x00000000046E0000-0x0000000004A00000-memory.dmpFilesize
3.1MB
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memory/2272-127-0x00000000045D0000-0x0000000004660000-memory.dmpFilesize
576KB
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memory/2712-121-0x0000000005500000-0x000000000565D000-memory.dmpFilesize
1.4MB
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memory/2712-128-0x00000000026C0000-0x000000000279E000-memory.dmpFilesize
888KB
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memory/4052-123-0x0000000000000000-mapping.dmp