Analysis
-
max time kernel
116s -
max time network
119s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
09-08-2021 13:12
Static task
static1
Behavioral task
behavioral1
Sample
s.exe
Resource
win7v20210408
General
-
Target
s.exe
-
Size
606KB
-
MD5
e56c9c4ab6dc95417d6c183365600548
-
SHA1
9ef8b8825f0c4b1a655653bb4090fd0086d94cc6
-
SHA256
4388d14cd19cb633714502e52d87743ba879eba3e33473e360350be55602c983
-
SHA512
4e9fc00fab520a09f6c26378832530e3490a5f295d0b55e6e30733175bb306e38ab66d6e7aaf74f1c7d7531e512899859521beda9801d49943d2e9e7205aae81
Malware Config
Extracted
formbook
4.1
n7ak
http://www.kmresults.com/n7ak/
modischoolcbse.com
theneverwinter.com
rszkjx-vps-hosting.website
fnihil.com
1pbet.com
nnowzscorrez.com
uaotgvjl.icu
starmapsqatar.com
ekisilani.com
extradeepsheets.com
jam-nins.com
buranly.com
orixentertainment.com
rawtech.energy
myol.guru
utex.club
jiapie.com
wowig.store
wweidlyyl.com
systaskautomation.com
citromudas3a.com
plasticstone.icu
pawchamamapet.com
beautybybby.com
mor-n-mor.com
getoffyourhighhorses.com
chieucaochoban9.xyz
grahamevansmp.com
amplaassessoria.net
nutricookindia.com
wazymbex.icu
joansironing.com
hallforless.com
mycourseprofits.com
precps.com
cookislandstourismpodcast.com
bestonlinedealslive.com
bug.chat
ptjbtoqonjtrwpvkfgmjvwp.com
tortniespodzianka.store
qxkbjgj.icu
aurashape.com
guinealive.com
mondialeresources.com
offthebreak.site
maxamproductivity.com
thebiztip.com
thelocalrea.com
laeducacionadistancia.com
inpakgroup.com
lvgang360.com
allvegangoods.com
tymudanzaramos.com
simpleframeswork.com
thehappycars.com
directfenetres.net
norskatferdsterapi.com
hostingcnx.com
ksmh5x.com
thespiritworldinvitational.com
jetsetwilly3.com
gameflexdev.com
tryhuge.com
vaporvspaper.com
Signatures
-
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
-
Formbook Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/2544-115-0x0000000000000000-mapping.dmp formbook behavioral2/memory/2544-117-0x0000000010410000-0x000000001043E000-memory.dmp formbook behavioral2/memory/3696-124-0x0000000003190000-0x00000000031BE000-memory.dmp formbook -
Suspicious use of SetThreadContext 2 IoCs
Processes:
mshta.exemsdt.exedescription pid process target process PID 2544 set thread context of 3120 2544 mshta.exe Explorer.EXE PID 3696 set thread context of 3120 3696 msdt.exe Explorer.EXE -
Suspicious behavior: EnumeratesProcesses 44 IoCs
Processes:
mshta.exemsdt.exepid process 2544 mshta.exe 2544 mshta.exe 2544 mshta.exe 2544 mshta.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe 3696 msdt.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 3120 Explorer.EXE -
Suspicious behavior: MapViewOfSection 5 IoCs
Processes:
mshta.exemsdt.exepid process 2544 mshta.exe 2544 mshta.exe 2544 mshta.exe 3696 msdt.exe 3696 msdt.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
mshta.exemsdt.exedescription pid process Token: SeDebugPrivilege 2544 mshta.exe Token: SeDebugPrivilege 3696 msdt.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3120 Explorer.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
s.exeExplorer.EXEmsdt.exedescription pid process target process PID 4016 wrote to memory of 2544 4016 s.exe mshta.exe PID 4016 wrote to memory of 2544 4016 s.exe mshta.exe PID 4016 wrote to memory of 2544 4016 s.exe mshta.exe PID 4016 wrote to memory of 2544 4016 s.exe mshta.exe PID 4016 wrote to memory of 2544 4016 s.exe mshta.exe PID 4016 wrote to memory of 2544 4016 s.exe mshta.exe PID 3120 wrote to memory of 3696 3120 Explorer.EXE msdt.exe PID 3120 wrote to memory of 3696 3120 Explorer.EXE msdt.exe PID 3120 wrote to memory of 3696 3120 Explorer.EXE msdt.exe PID 3696 wrote to memory of 1320 3696 msdt.exe cmd.exe PID 3696 wrote to memory of 1320 3696 msdt.exe cmd.exe PID 3696 wrote to memory of 1320 3696 msdt.exe cmd.exe
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3120 -
C:\Users\Admin\AppData\Local\Temp\s.exe"C:\Users\Admin\AppData\Local\Temp\s.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4016 -
C:\Windows\SysWOW64\mshta.exeC:\Windows\System32\mshta.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2544 -
C:\Windows\SysWOW64\msdt.exe"C:\Windows\SysWOW64\msdt.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3696 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Windows\SysWOW64\mshta.exe"3⤵PID:1320
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/1320-122-0x0000000000000000-mapping.dmp
-
memory/2544-115-0x0000000000000000-mapping.dmp
-
memory/2544-116-0x0000000000990000-0x0000000000991000-memory.dmpFilesize
4KB
-
memory/2544-117-0x0000000010410000-0x000000001043E000-memory.dmpFilesize
184KB
-
memory/2544-119-0x0000000002FD0000-0x0000000002FE4000-memory.dmpFilesize
80KB
-
memory/2544-118-0x0000000003380000-0x00000000036A0000-memory.dmpFilesize
3.1MB
-
memory/3120-120-0x00000000074F0000-0x000000000767B000-memory.dmpFilesize
1.5MB
-
memory/3120-127-0x0000000006D70000-0x0000000006E32000-memory.dmpFilesize
776KB
-
memory/3696-121-0x0000000000000000-mapping.dmp
-
memory/3696-124-0x0000000003190000-0x00000000031BE000-memory.dmpFilesize
184KB
-
memory/3696-125-0x0000000005340000-0x0000000005660000-memory.dmpFilesize
3.1MB
-
memory/3696-123-0x0000000001000000-0x0000000001173000-memory.dmpFilesize
1.4MB
-
memory/3696-126-0x00000000051A0000-0x0000000005233000-memory.dmpFilesize
588KB
-
memory/4016-114-0x00000000005A0000-0x00000000005A1000-memory.dmpFilesize
4KB