Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
13-10-2021 18:42
Static task
static1
Behavioral task
behavioral1
Sample
OAa3nu595dA7afB.exe
Resource
win7-en-20210920
General
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Target
OAa3nu595dA7afB.exe
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Size
553KB
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MD5
1823dce627d29f5d4985501267f7ad9f
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SHA1
1ce10042fccf2c8fcb2b0a93723f24b6c3b4ffb3
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SHA256
c14ba2023f89dc57df157690e40042b8b090906257c59b6e5834b2212cd3142e
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SHA512
88421fa99979a5ed7d55a2dccffbb96af3e72539e5dba61bf7860d2321a2f79deb5e9aae65e3fb9e5a17998a60d87abbbdc7b0dc495c991b4a3813a2ef8edb72
Malware Config
Extracted
formbook
4.1
dn7r
http://www.yourherogarden.net/dn7r/
eventphotographerdfw.com
thehalalcoinstaking.com
philipfaziofineart.com
intercoh.com
gaiaseyephotography.com
chatbotforrealestate.com
lovelancemg.com
marlieskasberger.com
elcongoenespanol.info
lepirecredit.com
distribution-concept.com
e99game.com
exit11festival.com
twodollartoothbrushclub.com
cocktailsandlawn.com
performimprove.network
24horas-telefono-11840.com
cosmossify.com
kellenleote.com
perovskite.energy
crosschain.services
xiwanghe.com
mollycayton.com
bonipay.com
uuwyxc.com
viberiokno-online.com
mobceo.com
menzelna.com
tiffaniefoster.com
premiumautowesthartford.com
ownhome.house
bestmartinshop.com
splashstoreofficial.com
guidemining.com
ecshopdemo.com
bestprinting1.com
s-circle2020.com
ncagency.info
easydigitalzone.com
reikiforthecollective.com
theknottteam.com
evolvedpixel.com
japxo.online
ryansqualityrenovations.com
dentimagenquito.net
pantherprints.co.uk
apoporangi.com
thietkemietvuon.net
ifernshop.com
casaruralesgranada.com
camp-3saumons.com
eddsucks.com
blwcd.com
deldlab.com
susanperb.com
autosanitizingsolutions.com
femhouse.com
ironcageclash.com
thekinghealer.com
shaghayeghbovand.com
advertfaces.com
lonriley.com
mased-world.online
mythicspacex.com
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/3804-124-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral2/memory/3804-125-0x000000000041F200-mapping.dmp formbook behavioral2/memory/2592-132-0x0000000002260000-0x000000000228F000-memory.dmp formbook -
Suspicious use of SetThreadContext 3 IoCs
Processes:
OAa3nu595dA7afB.exeOAa3nu595dA7afB.execmstp.exedescription pid process target process PID 3556 set thread context of 3804 3556 OAa3nu595dA7afB.exe OAa3nu595dA7afB.exe PID 3804 set thread context of 3060 3804 OAa3nu595dA7afB.exe Explorer.EXE PID 2592 set thread context of 3060 2592 cmstp.exe Explorer.EXE -
Suspicious behavior: EnumeratesProcesses 40 IoCs
Processes:
OAa3nu595dA7afB.execmstp.exepid process 3804 OAa3nu595dA7afB.exe 3804 OAa3nu595dA7afB.exe 3804 OAa3nu595dA7afB.exe 3804 OAa3nu595dA7afB.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe 2592 cmstp.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 3060 Explorer.EXE -
Suspicious behavior: MapViewOfSection 5 IoCs
Processes:
OAa3nu595dA7afB.execmstp.exepid process 3804 OAa3nu595dA7afB.exe 3804 OAa3nu595dA7afB.exe 3804 OAa3nu595dA7afB.exe 2592 cmstp.exe 2592 cmstp.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
OAa3nu595dA7afB.exeExplorer.EXEcmstp.exedescription pid process Token: SeDebugPrivilege 3804 OAa3nu595dA7afB.exe Token: SeShutdownPrivilege 3060 Explorer.EXE Token: SeCreatePagefilePrivilege 3060 Explorer.EXE Token: SeDebugPrivilege 2592 cmstp.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
OAa3nu595dA7afB.exeExplorer.EXEcmstp.exedescription pid process target process PID 3556 wrote to memory of 3804 3556 OAa3nu595dA7afB.exe OAa3nu595dA7afB.exe PID 3556 wrote to memory of 3804 3556 OAa3nu595dA7afB.exe OAa3nu595dA7afB.exe PID 3556 wrote to memory of 3804 3556 OAa3nu595dA7afB.exe OAa3nu595dA7afB.exe PID 3556 wrote to memory of 3804 3556 OAa3nu595dA7afB.exe OAa3nu595dA7afB.exe PID 3556 wrote to memory of 3804 3556 OAa3nu595dA7afB.exe OAa3nu595dA7afB.exe PID 3556 wrote to memory of 3804 3556 OAa3nu595dA7afB.exe OAa3nu595dA7afB.exe PID 3060 wrote to memory of 2592 3060 Explorer.EXE cmstp.exe PID 3060 wrote to memory of 2592 3060 Explorer.EXE cmstp.exe PID 3060 wrote to memory of 2592 3060 Explorer.EXE cmstp.exe PID 2592 wrote to memory of 584 2592 cmstp.exe cmd.exe PID 2592 wrote to memory of 584 2592 cmstp.exe cmd.exe PID 2592 wrote to memory of 584 2592 cmstp.exe cmd.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe"C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe"C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmstp.exe"C:\Windows\SysWOW64\cmstp.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\OAa3nu595dA7afB.exe"3⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/584-133-0x0000000000000000-mapping.dmp
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memory/2592-135-0x0000000004250000-0x00000000042E4000-memory.dmpFilesize
592KB
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memory/2592-134-0x0000000004460000-0x0000000004780000-memory.dmpFilesize
3.1MB
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memory/2592-131-0x0000000000240000-0x0000000000256000-memory.dmpFilesize
88KB
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memory/2592-132-0x0000000002260000-0x000000000228F000-memory.dmpFilesize
188KB
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memory/2592-130-0x0000000000000000-mapping.dmp
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memory/3060-129-0x0000000004D30000-0x0000000004EBA000-memory.dmpFilesize
1.5MB
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memory/3060-136-0x00000000008E0000-0x000000000098B000-memory.dmpFilesize
684KB
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memory/3556-121-0x0000000005020000-0x0000000005025000-memory.dmpFilesize
20KB
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memory/3556-123-0x00000000071F0000-0x0000000007266000-memory.dmpFilesize
472KB
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memory/3556-122-0x0000000007050000-0x0000000007051000-memory.dmpFilesize
4KB
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memory/3556-115-0x0000000000500000-0x0000000000501000-memory.dmpFilesize
4KB
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memory/3556-120-0x0000000004DC0000-0x0000000004DC1000-memory.dmpFilesize
4KB
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memory/3556-119-0x0000000004DB0000-0x00000000052AE000-memory.dmpFilesize
5.0MB
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memory/3556-118-0x0000000004E50000-0x0000000004E51000-memory.dmpFilesize
4KB
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memory/3556-117-0x00000000052B0000-0x00000000052B1000-memory.dmpFilesize
4KB
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memory/3804-125-0x000000000041F200-mapping.dmp
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memory/3804-128-0x0000000001030000-0x000000000117A000-memory.dmpFilesize
1.3MB
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memory/3804-127-0x0000000001500000-0x0000000001820000-memory.dmpFilesize
3.1MB
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memory/3804-124-0x0000000000400000-0x000000000042F000-memory.dmpFilesize
188KB