Analysis
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max time kernel
150s -
max time network
141s -
platform
windows7_x64 -
resource
win7-en -
submitted
06-09-2021 12:57
Static task
static1
Behavioral task
behavioral1
Sample
po-1.exe
Resource
win7-en
General
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Target
po-1.exe
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Size
854KB
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MD5
991d571971fc0fe01211ef089fa905cc
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SHA1
a5415e363e44e6586ed8f36a73ce2eb5bf4ed4fd
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SHA256
f1619d4c36e975b2cc880b6a72db99282df847ebb72dc6446950dbcbf4d0f487
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SHA512
c71e2498e6c252ccb10f96499258e28878e39c873025123815eb9565bcad101d90b7b51e74bcaa58926b426f4618fb2fb6db90b93bfb4508f903e43475edbee5
Malware Config
Extracted
xloader
2.3
k8b5
http://www.chongzhi365.com/k8b5/
sardamedicals.com
reelectkendavis4council.com
coreconsultation.com
fajarazhary.com
mybitearner.com
brightpet.info
voicewithchoice.com
bailbondscompany.xyz
7133333333.com
delights.info
gawlvegdr.icu
sdqhpm.com
we2savvyok.com
primallifeathlete.com
gdsinglecell.com
isokineticmachines.com
smartneckrelax.com
gardenvintage.com
hiphopvolume.com
medicapoint.com
crybebe.com
elevatedgameplay.com
armespublishing.com
pathsiteofficial.com
xn--e-2fa.com
besoxie.com
pro-montage.com
smartsmsfloan.net
gafinstallations.com
osk2279.com
sexcam-live-sex.net
supermomsd.com
villa-sardi.com
nkb-webmart.com
vaaccidentdoctorsnearme.net
sewcialdistancesewing.com
smodery.com
mimik33.com
employeepremiumassistance.com
chenqixuan.com
whyyousuckatgolfmovie.com
scholarshdesk.xyz
suenosenescena.com
ombaked.com
growingbargains.com
growbigelite.com
michalwroblewski.online
selfpublishingprojectmgmt.com
salir.info
lutherdanavan.com
caraccidentlawyernearme.net
portraitverse.com
secure-alerts901.info
reviewscanada.com
andreasaction.com
mblinks.net
regulationtoshop.com
borderless-farm.com
excitingdailyshop.com
pawandalmia.net
greatplainsjane.com
operacionapoyo.com
26gibraltardrive.com
getportlandjustice.com
Signatures
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suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
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Xloader Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/396-59-0x0000000000400000-0x0000000000429000-memory.dmp xloader behavioral1/memory/396-60-0x000000000041D0B0-mapping.dmp xloader behavioral1/memory/1484-67-0x0000000000080000-0x00000000000A9000-memory.dmp xloader -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 968 cmd.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
po-1.exepo-1.exeNETSTAT.EXEdescription pid process target process PID 1080 set thread context of 396 1080 po-1.exe po-1.exe PID 396 set thread context of 1272 396 po-1.exe Explorer.EXE PID 1484 set thread context of 1272 1484 NETSTAT.EXE Explorer.EXE -
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
Processes:
NETSTAT.EXEpid process 1484 NETSTAT.EXE -
Suspicious behavior: EnumeratesProcesses 29 IoCs
Processes:
po-1.exepo-1.exeNETSTAT.EXEpid process 1080 po-1.exe 1080 po-1.exe 1080 po-1.exe 1080 po-1.exe 396 po-1.exe 396 po-1.exe 1484 NETSTAT.EXE 1484 NETSTAT.EXE 1484 NETSTAT.EXE 1484 NETSTAT.EXE 1484 NETSTAT.EXE 1484 NETSTAT.EXE 1484 NETSTAT.EXE 1484 NETSTAT.EXE 1484 NETSTAT.EXE 1484 NETSTAT.EXE 1484 NETSTAT.EXE 1484 NETSTAT.EXE 1484 NETSTAT.EXE 1484 NETSTAT.EXE 1484 NETSTAT.EXE 1484 NETSTAT.EXE 1484 NETSTAT.EXE 1484 NETSTAT.EXE 1484 NETSTAT.EXE 1484 NETSTAT.EXE 1484 NETSTAT.EXE 1484 NETSTAT.EXE 1484 NETSTAT.EXE -
Suspicious behavior: MapViewOfSection 5 IoCs
Processes:
po-1.exeNETSTAT.EXEpid process 396 po-1.exe 396 po-1.exe 396 po-1.exe 1484 NETSTAT.EXE 1484 NETSTAT.EXE -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
po-1.exepo-1.exeNETSTAT.EXEdescription pid process Token: SeDebugPrivilege 1080 po-1.exe Token: SeDebugPrivilege 396 po-1.exe Token: SeDebugPrivilege 1484 NETSTAT.EXE -
Suspicious use of FindShellTrayWindow 4 IoCs
Processes:
Explorer.EXEpid process 1272 Explorer.EXE 1272 Explorer.EXE 1272 Explorer.EXE 1272 Explorer.EXE -
Suspicious use of SendNotifyMessage 4 IoCs
Processes:
Explorer.EXEpid process 1272 Explorer.EXE 1272 Explorer.EXE 1272 Explorer.EXE 1272 Explorer.EXE -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
po-1.exeExplorer.EXENETSTAT.EXEdescription pid process target process PID 1080 wrote to memory of 752 1080 po-1.exe po-1.exe PID 1080 wrote to memory of 752 1080 po-1.exe po-1.exe PID 1080 wrote to memory of 752 1080 po-1.exe po-1.exe PID 1080 wrote to memory of 752 1080 po-1.exe po-1.exe PID 1080 wrote to memory of 456 1080 po-1.exe po-1.exe PID 1080 wrote to memory of 456 1080 po-1.exe po-1.exe PID 1080 wrote to memory of 456 1080 po-1.exe po-1.exe PID 1080 wrote to memory of 456 1080 po-1.exe po-1.exe PID 1080 wrote to memory of 396 1080 po-1.exe po-1.exe PID 1080 wrote to memory of 396 1080 po-1.exe po-1.exe PID 1080 wrote to memory of 396 1080 po-1.exe po-1.exe PID 1080 wrote to memory of 396 1080 po-1.exe po-1.exe PID 1080 wrote to memory of 396 1080 po-1.exe po-1.exe PID 1080 wrote to memory of 396 1080 po-1.exe po-1.exe PID 1080 wrote to memory of 396 1080 po-1.exe po-1.exe PID 1272 wrote to memory of 1484 1272 Explorer.EXE NETSTAT.EXE PID 1272 wrote to memory of 1484 1272 Explorer.EXE NETSTAT.EXE PID 1272 wrote to memory of 1484 1272 Explorer.EXE NETSTAT.EXE PID 1272 wrote to memory of 1484 1272 Explorer.EXE NETSTAT.EXE PID 1484 wrote to memory of 968 1484 NETSTAT.EXE cmd.exe PID 1484 wrote to memory of 968 1484 NETSTAT.EXE cmd.exe PID 1484 wrote to memory of 968 1484 NETSTAT.EXE cmd.exe PID 1484 wrote to memory of 968 1484 NETSTAT.EXE cmd.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1272 -
C:\Users\Admin\AppData\Local\Temp\po-1.exe"C:\Users\Admin\AppData\Local\Temp\po-1.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1080 -
C:\Users\Admin\AppData\Local\Temp\po-1.exe"{path}"3⤵PID:752
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C:\Users\Admin\AppData\Local\Temp\po-1.exe"{path}"3⤵PID:456
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C:\Users\Admin\AppData\Local\Temp\po-1.exe"{path}"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:396 -
C:\Windows\SysWOW64\NETSTAT.EXE"C:\Windows\SysWOW64\NETSTAT.EXE"2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1484 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\po-1.exe"3⤵
- Deletes itself
PID:968
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/396-59-0x0000000000400000-0x0000000000429000-memory.dmpFilesize
164KB
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memory/396-61-0x00000000009C0000-0x0000000000CC3000-memory.dmpFilesize
3.0MB
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memory/396-62-0x0000000000080000-0x0000000000090000-memory.dmpFilesize
64KB
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memory/396-60-0x000000000041D0B0-mapping.dmp
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memory/968-65-0x0000000000000000-mapping.dmp
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memory/1080-58-0x0000000000700000-0x000000000073F000-memory.dmpFilesize
252KB
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memory/1080-53-0x0000000000140000-0x0000000000141000-memory.dmpFilesize
4KB
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memory/1080-57-0x0000000006B30000-0x0000000006BC1000-memory.dmpFilesize
580KB
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memory/1080-56-0x0000000000400000-0x000000000040E000-memory.dmpFilesize
56KB
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memory/1080-55-0x0000000007170000-0x0000000007171000-memory.dmpFilesize
4KB
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memory/1272-63-0x00000000070E0000-0x0000000007231000-memory.dmpFilesize
1.3MB
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memory/1272-70-0x00000000073D0000-0x0000000007522000-memory.dmpFilesize
1.3MB
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memory/1484-64-0x0000000000000000-mapping.dmp
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memory/1484-66-0x0000000000B30000-0x0000000000B39000-memory.dmpFilesize
36KB
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memory/1484-67-0x0000000000080000-0x00000000000A9000-memory.dmpFilesize
164KB
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memory/1484-68-0x0000000002210000-0x0000000002513000-memory.dmpFilesize
3.0MB
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memory/1484-69-0x0000000002020000-0x00000000020AF000-memory.dmpFilesize
572KB