Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
05-06-2023 13:02
Static task
static1
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20230220-en
General
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Target
tmp.exe
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Size
371KB
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MD5
bb82589608f2312e9bf9d0c63c8a3d68
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SHA1
c66d15184ef9a38a7423f1a6fbc60c94132051f9
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SHA256
3682f76c6feec004f58d0b9c732b45215375d45f250bdac03fb3694097710c3f
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SHA512
c839f9653e021cd06deaa1b529506596598473f8e62347a5a01e88a09fdf6316a17e5cad8502646fc40db955505c44082ba5ed1e62bd2ce8e8bf8daa1dcecb3a
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SSDEEP
6144:A6dANzV+OT7ck3Ke1/Lhw5ewNi4F/oJrcy+ShsV6+gn:iP+OTQkFLhaez4FSVsVI
Malware Config
Extracted
formbook
4.1
xchu
zcartoons.com
castilloshowroom.com
3bmmdtod.life
misaxoxo.com
nadiya.online
sykkbup29.xyz
triciaaprimrosevp.com
newleter.com
ptzslk.xyz
lightbulbfestival.com
texaslandline.com
ideeintemporelle.com
girljustdoitpodcast.com
medimediamarketing.com
bunk7outfitters.com
charlievgrfminnick.click
lifestyleinthehome.com
atfbestsale.online
frontdoorproperties.co.uk
grandpaswag2024.info
masterbidbox.com
twinmall.xyz
apihb.com
tanbuhelir.com
excortclub.com
avxxxtube.com
dayonetaxes.com
xx7zncjthyo.xyz
barhat-dance.online
wxbaonayue.com
sorunsuzyayinburada9.shop
so-do-to.com
bonettr.com
gosucculents.com
axcelus.mobi
elityou.com
82163.xyz
ugfc.monster
wxxinglong.com
fleurdelis-ksa.com
australiaxxxhookup.com
hieu.asia
lailashawa.com
littlefoxgrp.com
modi.codes
frenchmattie.com
francoishogue-rpg.com
ntzb1.vip
adfoidoas.shop
meter-ooh.com
mamarosarienne.online
sharonmevans.com
ccapltal.com
ewardsrq.com
rgmtrucking.com
nilhanzsa.net
prodemtim-healthy-gums.com
aviationsoftware.aero
frog.lol
hauntingmedia.com
newindianewsnetwork.com
calfamfitclasses.net
sparrow-coffee.com
centralcoastquotes.com
tangocitymoscow.com
Signatures
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Formbook payload 5 IoCs
Processes:
resource yara_rule behavioral2/memory/5096-145-0x0000000000400000-0x0000000001654000-memory.dmp formbook behavioral2/memory/5096-150-0x0000000000400000-0x0000000001654000-memory.dmp formbook behavioral2/memory/5096-157-0x0000000000400000-0x0000000001654000-memory.dmp formbook behavioral2/memory/1296-159-0x00000000005A0000-0x00000000005CF000-memory.dmp formbook behavioral2/memory/1296-161-0x00000000005A0000-0x00000000005CF000-memory.dmp formbook -
Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
Processes:
tmp.exetmp.exedescription ioc process File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe tmp.exe File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe tmp.exe -
Loads dropped DLL 1 IoCs
Processes:
tmp.exepid process 3928 tmp.exe -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
Processes:
tmp.exepid process 5096 tmp.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
tmp.exetmp.exepid process 3928 tmp.exe 5096 tmp.exe -
Suspicious use of SetThreadContext 4 IoCs
Processes:
tmp.exetmp.exenetsh.exedescription pid process target process PID 3928 set thread context of 5096 3928 tmp.exe tmp.exe PID 5096 set thread context of 804 5096 tmp.exe Explorer.EXE PID 5096 set thread context of 804 5096 tmp.exe Explorer.EXE PID 1296 set thread context of 804 1296 netsh.exe Explorer.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 40 IoCs
Processes:
tmp.exenetsh.exepid process 5096 tmp.exe 5096 tmp.exe 5096 tmp.exe 5096 tmp.exe 5096 tmp.exe 5096 tmp.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe 1296 netsh.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 804 Explorer.EXE -
Suspicious behavior: MapViewOfSection 7 IoCs
Processes:
tmp.exetmp.exenetsh.exepid process 3928 tmp.exe 5096 tmp.exe 5096 tmp.exe 5096 tmp.exe 5096 tmp.exe 1296 netsh.exe 1296 netsh.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
tmp.exenetsh.exedescription pid process Token: SeDebugPrivilege 5096 tmp.exe Token: SeDebugPrivilege 1296 netsh.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
tmp.exeExplorer.EXEnetsh.exedescription pid process target process PID 3928 wrote to memory of 5096 3928 tmp.exe tmp.exe PID 3928 wrote to memory of 5096 3928 tmp.exe tmp.exe PID 3928 wrote to memory of 5096 3928 tmp.exe tmp.exe PID 3928 wrote to memory of 5096 3928 tmp.exe tmp.exe PID 804 wrote to memory of 1296 804 Explorer.EXE netsh.exe PID 804 wrote to memory of 1296 804 Explorer.EXE netsh.exe PID 804 wrote to memory of 1296 804 Explorer.EXE netsh.exe PID 1296 wrote to memory of 2300 1296 netsh.exe cmd.exe PID 1296 wrote to memory of 2300 1296 netsh.exe cmd.exe PID 1296 wrote to memory of 2300 1296 netsh.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\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"2⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"3⤵
- Checks QEMU agent file
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\netsh.exe"C:\Windows\SysWOW64\netsh.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\tmp.exe"3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\nsu6D85.tmp\System.dllFilesize
11KB
MD50063d48afe5a0cdc02833145667b6641
SHA1e7eb614805d183ecb1127c62decb1a6be1b4f7a8
SHA256ac9dfe3b35ea4b8932536ed7406c29a432976b685cc5322f94ef93df920fede7
SHA51271cbbcaeb345e09306e368717ea0503fe8df485be2e95200febc61bcd8ba74fb4211cd263c232f148c0123f6c6f2e3fd4ea20bdecc4070f5208c35c6920240f0
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memory/804-167-0x00000000086E0000-0x0000000008847000-memory.dmpFilesize
1.4MB
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memory/804-160-0x0000000007F70000-0x00000000080EB000-memory.dmpFilesize
1.5MB
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memory/804-152-0x0000000008450000-0x0000000008567000-memory.dmpFilesize
1.1MB
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memory/804-165-0x00000000086E0000-0x0000000008847000-memory.dmpFilesize
1.4MB
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memory/804-164-0x00000000086E0000-0x0000000008847000-memory.dmpFilesize
1.4MB
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memory/804-149-0x0000000007F70000-0x00000000080EB000-memory.dmpFilesize
1.5MB
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memory/1296-161-0x00000000005A0000-0x00000000005CF000-memory.dmpFilesize
188KB
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memory/1296-163-0x0000000000FF0000-0x0000000001083000-memory.dmpFilesize
588KB
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memory/1296-159-0x00000000005A0000-0x00000000005CF000-memory.dmpFilesize
188KB
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memory/1296-158-0x00000000011A0000-0x00000000014EA000-memory.dmpFilesize
3.3MB
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memory/1296-156-0x0000000000FD0000-0x0000000000FEE000-memory.dmpFilesize
120KB
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memory/1296-153-0x0000000000FD0000-0x0000000000FEE000-memory.dmpFilesize
120KB
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memory/3928-141-0x0000000003230000-0x000000000644F000-memory.dmpFilesize
50.1MB
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memory/3928-140-0x0000000003230000-0x000000000644F000-memory.dmpFilesize
50.1MB
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memory/5096-145-0x0000000000400000-0x0000000001654000-memory.dmpFilesize
18.3MB
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memory/5096-155-0x0000000001660000-0x000000000487F000-memory.dmpFilesize
50.1MB
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memory/5096-157-0x0000000000400000-0x0000000001654000-memory.dmpFilesize
18.3MB
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memory/5096-151-0x0000000000110000-0x0000000000124000-memory.dmpFilesize
80KB
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memory/5096-150-0x0000000000400000-0x0000000001654000-memory.dmpFilesize
18.3MB
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memory/5096-147-0x0000000034C40000-0x0000000034F8A000-memory.dmpFilesize
3.3MB
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memory/5096-148-0x00000000000D0000-0x00000000000E4000-memory.dmpFilesize
80KB
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memory/5096-146-0x0000000001660000-0x000000000487F000-memory.dmpFilesize
50.1MB
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memory/5096-144-0x0000000001660000-0x000000000487F000-memory.dmpFilesize
50.1MB
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memory/5096-143-0x0000000001660000-0x000000000487F000-memory.dmpFilesize
50.1MB
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memory/5096-142-0x0000000000400000-0x0000000001654000-memory.dmpFilesize
18.3MB