Analysis
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max time kernel
151s -
max time network
154s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
12-10-2021 10:45
Static task
static1
Behavioral task
behavioral1
Sample
dllhost.exe
Resource
win7-en-20210920
General
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Target
dllhost.exe
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Size
485KB
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MD5
1fe73fe4d37cae6a02262b5164f3def0
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SHA1
80b03eb27651723bded1fd1425f489225b3bba3b
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SHA256
0c33fe39195569a868cf9f87d3aff16e72f5a54c4e52a852b8f986d121fa47e8
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SHA512
7416dadb6e85cc43000bba33f47797cf7e5fe5ee0c9f8639685130264a867b6048839d2b74ca3e00b00caf8a1dcf83d08f01901c56ab9343888d62501c48d2b6
Malware Config
Extracted
formbook
4.1
kzk9
http://www.yourmajordomo.com/kzk9/
tianconghuo.club
1996-page.com
ourtownmax.net
conservativetreehose.com
synth.repair
donnachicacreperia.com
tentfull.com
weapp.download
surfersink.com
gattlebusinessservices.com
sebastian249.com
anhphuc.company
betternatureproducts.net
defroplate.com
seattlesquidsquad.com
polarjob.com
lendingadvantage.com
angelsondope.com
goportjitney.com
tiendagrupojagr.com
self-care360.com
foreignexchage.com
loan-stalemate.info
hrsimrnsingh.com
laserobsession.com
primetimesmagazine.com
teminyulon.xyz
kanoondarab.com
alpinefall.com
tbmautosales.com
4g2020.com
libertyquartermaster.com
flavorfalafel.com
generlitravel.com
solvedfp.icu
jamnvibez.com
zmx258.com
doudiangroup.com
dancecenterwest.com
ryantheeconomist.com
beeofthehive.com
bluelearn.world
vivalasplantas.com
yumiacraftlab.com
shophere247365.com
enjoybespokenwords.com
windajol.com
ctgbazar.xyz
afcerd.com
dateprotect.com
northeastonmusic.com
fourwaira.com
forschungsraumtheater.com
islameraloke.com
mavericksone.com
whguideinfrared.com
akomandr.com
experts-portail.com
ambassadorworldnews.com
case-kangaroo.com
theglobalbusinessmentor.com
igforoldpeople.com
royalglossesbss.com
merxeduct.com
Signatures
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Formbook Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/3828-123-0x0000000000400000-0x000000000042E000-memory.dmp formbook behavioral2/memory/3828-124-0x000000000041EB80-mapping.dmp formbook behavioral2/memory/3900-133-0x0000000002380000-0x00000000023AE000-memory.dmp formbook -
Suspicious use of SetThreadContext 3 IoCs
Processes:
dllhost.exedllhost.exemsiexec.exedescription pid process target process PID 4060 set thread context of 3828 4060 dllhost.exe dllhost.exe PID 3828 set thread context of 3016 3828 dllhost.exe Explorer.EXE PID 3900 set thread context of 3016 3900 msiexec.exe Explorer.EXE -
Suspicious behavior: EnumeratesProcesses 46 IoCs
Processes:
dllhost.exedllhost.exemsiexec.exepid process 4060 dllhost.exe 4060 dllhost.exe 4060 dllhost.exe 4060 dllhost.exe 4060 dllhost.exe 4060 dllhost.exe 3828 dllhost.exe 3828 dllhost.exe 3828 dllhost.exe 3828 dllhost.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe 3900 msiexec.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 3016 Explorer.EXE -
Suspicious behavior: MapViewOfSection 5 IoCs
Processes:
dllhost.exemsiexec.exepid process 3828 dllhost.exe 3828 dllhost.exe 3828 dllhost.exe 3900 msiexec.exe 3900 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
dllhost.exedllhost.exemsiexec.exedescription pid process Token: SeDebugPrivilege 4060 dllhost.exe Token: SeDebugPrivilege 3828 dllhost.exe Token: SeDebugPrivilege 3900 msiexec.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3016 Explorer.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
dllhost.exeExplorer.EXEmsiexec.exedescription pid process target process PID 4060 wrote to memory of 3828 4060 dllhost.exe dllhost.exe PID 4060 wrote to memory of 3828 4060 dllhost.exe dllhost.exe PID 4060 wrote to memory of 3828 4060 dllhost.exe dllhost.exe PID 4060 wrote to memory of 3828 4060 dllhost.exe dllhost.exe PID 4060 wrote to memory of 3828 4060 dllhost.exe dllhost.exe PID 4060 wrote to memory of 3828 4060 dllhost.exe dllhost.exe PID 3016 wrote to memory of 3900 3016 Explorer.EXE msiexec.exe PID 3016 wrote to memory of 3900 3016 Explorer.EXE msiexec.exe PID 3016 wrote to memory of 3900 3016 Explorer.EXE msiexec.exe PID 3900 wrote to memory of 1988 3900 msiexec.exe cmd.exe PID 3900 wrote to memory of 1988 3900 msiexec.exe cmd.exe PID 3900 wrote to memory of 1988 3900 msiexec.exe cmd.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\dllhost.exe"C:\Users\Admin\AppData\Local\Temp\dllhost.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\dllhost.exe"C:\Users\Admin\AppData\Local\Temp\dllhost.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\msiexec.exe"C:\Windows\SysWOW64\msiexec.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\dllhost.exe"3⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/1988-134-0x0000000000000000-mapping.dmp
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memory/3016-137-0x0000000003250000-0x0000000003311000-memory.dmpFilesize
772KB
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memory/3016-128-0x0000000006E30000-0x0000000006FA2000-memory.dmpFilesize
1.4MB
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memory/3828-123-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
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memory/3828-127-0x0000000001160000-0x0000000001174000-memory.dmpFilesize
80KB
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memory/3828-126-0x0000000001270000-0x0000000001590000-memory.dmpFilesize
3.1MB
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memory/3828-124-0x000000000041EB80-mapping.dmp
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memory/3900-131-0x00000000001E0000-0x00000000001E1000-memory.dmpFilesize
4KB
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memory/3900-132-0x00000000001B0000-0x00000000001C2000-memory.dmpFilesize
72KB
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memory/3900-136-0x00000000041F0000-0x0000000004283000-memory.dmpFilesize
588KB
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memory/3900-135-0x0000000004380000-0x00000000046A0000-memory.dmpFilesize
3.1MB
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memory/3900-133-0x0000000002380000-0x00000000023AE000-memory.dmpFilesize
184KB
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memory/3900-130-0x00000000001E0000-0x00000000001E1000-memory.dmpFilesize
4KB
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memory/3900-129-0x0000000000000000-mapping.dmp
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memory/4060-118-0x00000000049F0000-0x00000000049F1000-memory.dmpFilesize
4KB
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memory/4060-114-0x0000000000150000-0x0000000000151000-memory.dmpFilesize
4KB
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memory/4060-119-0x0000000004990000-0x0000000004E8E000-memory.dmpFilesize
5.0MB
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memory/4060-122-0x00000000065D0000-0x0000000006620000-memory.dmpFilesize
320KB
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memory/4060-117-0x0000000004A30000-0x0000000004A31000-memory.dmpFilesize
4KB
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memory/4060-120-0x0000000004D30000-0x0000000004D35000-memory.dmpFilesize
20KB
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memory/4060-121-0x0000000006530000-0x0000000006531000-memory.dmpFilesize
4KB
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memory/4060-116-0x0000000004E90000-0x0000000004E91000-memory.dmpFilesize
4KB