Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
12-05-2022 07:33
Static task
static1
Behavioral task
behavioral1
Sample
6cc7f4dc6d60f6b01b7164532f4d4fe6.exe
Resource
win7-20220414-en
General
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Target
6cc7f4dc6d60f6b01b7164532f4d4fe6.exe
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Size
298KB
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MD5
6cc7f4dc6d60f6b01b7164532f4d4fe6
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SHA1
1dbf0fe6eb6c43494507f2cb286eac424ef87e79
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SHA256
42d8b7f214ab4c51c337d3abfaa9107f0e8fd78801311e205cd484e4b65fb440
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SHA512
1c4b1d5d3cb852eb1f985293a8ab085a416079ab6f71ad7b29866843cb27d6840678a7bdf84252f5952a4037341fd946a201704fd18ddf1aa857960dc7c234de
Malware Config
Extracted
formbook
4.1
fw02
payer-breakers.com
thesiscoper.com
rental-villa.com
scovikinnovations.com
hydh33.com
allmyshit.rest
lovejaclyn.com
vanessaruizwriting.com
dufonddelaclasse.com
kiddee168.com
monumentalmarketsllc.com
musclegainfatloss.com
avida.info
cosmo-wellness.net
dandelionfusedigital.com
oversizeloadbanners.com
konstelle.store
sdjnsbd.com
czoqg.xyz
5p6xljjse1lq.xyz
10936.loan
primeiropasso.website
salarydetector.net
the6figureshow.com
ritzluxurytransportation.com
5145.design
web3ido.xyz
starweaverdesigns.com
cbdtz.com
sunwall.xyz
ornitv.com
curateddesignsconsulting.com
businesshairways.biz
willacloud.com
accusecures.com
hl243.com
coffellc.icu
eddrugs2018.com
lidakang.xyz
salesstorecolombia.com
ilina.xyz
partieslikethese.com
peymantasnimi.com
datthocu.xyz
cybertechsolutions.xyz
findy.guru
trybes.space
arulinks.com
yuriookinoart.com
largestjerseysstore.com
fortitude-tech.com
ywfjp.com
b1v097f2avze.xyz
abdullahnazhim.com
zhaoav111.info
cegrowing.com
llaveselmuerto.com
7477e.xyz
chabusinessloans.com
ht-brain.com
app-compound.finance
0085208.com
wewinaccidents.com
ztzfirst.xyz
shishlomarket24.biz
Signatures
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suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
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Formbook Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/3428-136-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral2/memory/3428-139-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral2/memory/4420-146-0x0000000000400000-0x000000000042F000-memory.dmp formbook -
Executes dropped EXE 2 IoCs
Processes:
gdryhu.exegdryhu.exepid process 2812 gdryhu.exe 3428 gdryhu.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
gdryhu.exegdryhu.exeraserver.exedescription pid process target process PID 2812 set thread context of 3428 2812 gdryhu.exe gdryhu.exe PID 3428 set thread context of 2040 3428 gdryhu.exe Explorer.EXE PID 4420 set thread context of 2040 4420 raserver.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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Modifies registry class 2 IoCs
Processes:
Explorer.EXEdescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Explorer.EXE Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Explorer.EXE -
Suspicious behavior: EnumeratesProcesses 54 IoCs
Processes:
gdryhu.exeraserver.exepid process 3428 gdryhu.exe 3428 gdryhu.exe 3428 gdryhu.exe 3428 gdryhu.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe 4420 raserver.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 2040 Explorer.EXE -
Suspicious behavior: MapViewOfSection 5 IoCs
Processes:
gdryhu.exeraserver.exepid process 3428 gdryhu.exe 3428 gdryhu.exe 3428 gdryhu.exe 4420 raserver.exe 4420 raserver.exe -
Suspicious use of AdjustPrivilegeToken 14 IoCs
Processes:
gdryhu.exeraserver.exeExplorer.EXEdescription pid process Token: SeDebugPrivilege 3428 gdryhu.exe Token: SeDebugPrivilege 4420 raserver.exe Token: SeShutdownPrivilege 2040 Explorer.EXE Token: SeCreatePagefilePrivilege 2040 Explorer.EXE Token: SeShutdownPrivilege 2040 Explorer.EXE Token: SeCreatePagefilePrivilege 2040 Explorer.EXE Token: SeShutdownPrivilege 2040 Explorer.EXE Token: SeCreatePagefilePrivilege 2040 Explorer.EXE Token: SeShutdownPrivilege 2040 Explorer.EXE Token: SeCreatePagefilePrivilege 2040 Explorer.EXE Token: SeShutdownPrivilege 2040 Explorer.EXE Token: SeCreatePagefilePrivilege 2040 Explorer.EXE Token: SeShutdownPrivilege 2040 Explorer.EXE Token: SeCreatePagefilePrivilege 2040 Explorer.EXE -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
6cc7f4dc6d60f6b01b7164532f4d4fe6.exegdryhu.exeExplorer.EXEraserver.exedescription pid process target process PID 3864 wrote to memory of 2812 3864 6cc7f4dc6d60f6b01b7164532f4d4fe6.exe gdryhu.exe PID 3864 wrote to memory of 2812 3864 6cc7f4dc6d60f6b01b7164532f4d4fe6.exe gdryhu.exe PID 3864 wrote to memory of 2812 3864 6cc7f4dc6d60f6b01b7164532f4d4fe6.exe gdryhu.exe PID 2812 wrote to memory of 3428 2812 gdryhu.exe gdryhu.exe PID 2812 wrote to memory of 3428 2812 gdryhu.exe gdryhu.exe PID 2812 wrote to memory of 3428 2812 gdryhu.exe gdryhu.exe PID 2812 wrote to memory of 3428 2812 gdryhu.exe gdryhu.exe PID 2812 wrote to memory of 3428 2812 gdryhu.exe gdryhu.exe PID 2812 wrote to memory of 3428 2812 gdryhu.exe gdryhu.exe PID 2040 wrote to memory of 4420 2040 Explorer.EXE raserver.exe PID 2040 wrote to memory of 4420 2040 Explorer.EXE raserver.exe PID 2040 wrote to memory of 4420 2040 Explorer.EXE raserver.exe PID 4420 wrote to memory of 3444 4420 raserver.exe cmd.exe PID 4420 wrote to memory of 3444 4420 raserver.exe cmd.exe PID 4420 wrote to memory of 3444 4420 raserver.exe cmd.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\6cc7f4dc6d60f6b01b7164532f4d4fe6.exe"C:\Users\Admin\AppData\Local\Temp\6cc7f4dc6d60f6b01b7164532f4d4fe6.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\gdryhu.exeC:\Users\Admin\AppData\Local\Temp\gdryhu.exe C:\Users\Admin\AppData\Local\Temp\ljjnophbc3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\gdryhu.exeC:\Users\Admin\AppData\Local\Temp\gdryhu.exe C:\Users\Admin\AppData\Local\Temp\ljjnophbc4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\raserver.exe"C:\Windows\SysWOW64\raserver.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\gdryhu.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\28xr11m9yus78zir0qFilesize
184KB
MD5c18ecccb1a5c01198e114c7817cadb41
SHA11c929b507aea94361ee10545e74d6df83bef9e8e
SHA256ce7f152e604fa9a630bc01f0fba3cdd7b3a327664a433b35217cdb758dc38c03
SHA5125c43e23b398c905581b13e19f3c116eba5dd6dd4aca94f6b9f7311668eeb3a07b8afa2704669eb61ba2d74f7e0eccf3601666e8c4dca9defb343a9d38dfbc8fa
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C:\Users\Admin\AppData\Local\Temp\gdryhu.exeFilesize
133KB
MD56cb342d81df646b9202540b45a542c7f
SHA1aa25dfbc0e0f02b9a03abb37ed1ad07823da921b
SHA25628ff489eaea3e3ac6823a03a03a34b83d407167b9cd268b6f608c6ed491e69db
SHA512f61322002fc4f5be304999866a8c35fb7d150bf1f8b24ad35c946f0cea41d433b39186f1b5f70334550fff17fd082c546d79ad43a6314a923f68a9990909f2da
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C:\Users\Admin\AppData\Local\Temp\gdryhu.exeFilesize
133KB
MD56cb342d81df646b9202540b45a542c7f
SHA1aa25dfbc0e0f02b9a03abb37ed1ad07823da921b
SHA25628ff489eaea3e3ac6823a03a03a34b83d407167b9cd268b6f608c6ed491e69db
SHA512f61322002fc4f5be304999866a8c35fb7d150bf1f8b24ad35c946f0cea41d433b39186f1b5f70334550fff17fd082c546d79ad43a6314a923f68a9990909f2da
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C:\Users\Admin\AppData\Local\Temp\gdryhu.exeFilesize
133KB
MD56cb342d81df646b9202540b45a542c7f
SHA1aa25dfbc0e0f02b9a03abb37ed1ad07823da921b
SHA25628ff489eaea3e3ac6823a03a03a34b83d407167b9cd268b6f608c6ed491e69db
SHA512f61322002fc4f5be304999866a8c35fb7d150bf1f8b24ad35c946f0cea41d433b39186f1b5f70334550fff17fd082c546d79ad43a6314a923f68a9990909f2da
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C:\Users\Admin\AppData\Local\Temp\ljjnophbcFilesize
5KB
MD5ea1f80a2a3780a11d7d48c2214377b76
SHA1a522820b83aa2b0fe231ae58fa7fc74376003bf8
SHA2563dc7dd2b1e8db2568c08e6e6eaf0c8b237df9f5a5363cc70c5a1d255741e3c91
SHA512d974929984e03cfd5b26303bed94ab9b4e61fa5bf1f1906d3e08a4cb085b35869b413b699695d0b9c19b77e67181ff29b486b785cda44b2f3043e1653c92d611
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memory/2040-149-0x00000000080B0000-0x0000000008220000-memory.dmpFilesize
1.4MB
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memory/2040-142-0x00000000029C0000-0x0000000002A90000-memory.dmpFilesize
832KB
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memory/2812-130-0x0000000000000000-mapping.dmp
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memory/3428-139-0x0000000000400000-0x000000000042F000-memory.dmpFilesize
188KB
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memory/3428-140-0x00000000013E0000-0x000000000172A000-memory.dmpFilesize
3.3MB
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memory/3428-141-0x0000000001800000-0x0000000001814000-memory.dmpFilesize
80KB
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memory/3428-136-0x0000000000400000-0x000000000042F000-memory.dmpFilesize
188KB
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memory/3428-135-0x0000000000000000-mapping.dmp
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memory/3444-144-0x0000000000000000-mapping.dmp
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memory/4420-143-0x0000000000000000-mapping.dmp
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memory/4420-146-0x0000000000400000-0x000000000042F000-memory.dmpFilesize
188KB
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memory/4420-145-0x0000000000100000-0x000000000011F000-memory.dmpFilesize
124KB
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memory/4420-147-0x0000000002400000-0x000000000274A000-memory.dmpFilesize
3.3MB
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memory/4420-148-0x00000000021A0000-0x0000000002233000-memory.dmpFilesize
588KB