Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20250313-en -
resource tags
arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system -
submitted
27/03/2025, 15:43
Static task
static1
Behavioral task
behavioral1
Sample
ea4fe51e13f6ab1785535b32345f69ef110e21981bf7dbb09ce02c0bdec1e43c.exe
Resource
win7-20240903-en
General
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Target
ea4fe51e13f6ab1785535b32345f69ef110e21981bf7dbb09ce02c0bdec1e43c.exe
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Size
616KB
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MD5
33597eea937de9fc85c91fc86d4081da
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SHA1
221c42c79cb047ade2346e1da635a1ac359f06ef
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SHA256
ea4fe51e13f6ab1785535b32345f69ef110e21981bf7dbb09ce02c0bdec1e43c
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SHA512
7dab2e8b3b8852cbe61e6f17c6adc67b1c2662e3f1a4178644d6dd6479be6c549442fd1598123c1f08c13417d647a7dd6d9f530eeff31026d6cecfea04d965f9
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SSDEEP
12288:73jM8fLuh/ABkePJNbT3y1UkuEtnrCuk3aMVa:L7faAimNbjkxtnrCzVa
Malware Config
Extracted
formbook
4.1
3nop
subur88wap.sbs
tyai1.top
skillbeast.site
kcclassiccars.net
lghomes.net
eijanno.cyou
work-in-usa-60100.bond
268chill.store
bharatwin.biz
cakjitu01.xyz
misafert.xyz
hiretemp.net
lvekz-onearmed.top
amanda-manopo.info
seo-companies22.online
casinowalletth.net
maynrson.monster
bewizi.com
thedronetechhub.shop
car-insurance-93947.bond
javabits.net
dzcodelab.xyz
adeelrao.online
amazing-cruise-pakages.today
wftoutsource.services
stormbeauty.online
a8dz7m5.com
875capehornrdjeffersonny.com
odadesign.site
reejunkremoval7.life
g59q18eq.top
wk0003.top
rtpradar138af.xyz
wnsyl11.vip
nexilis.rest
top-dubai-cruise-deals.today
zoril.lol
englishmaterials.net
uzumluescortg.xyz
dutchpay.net
visprintdesign.biz
kneepain661.shop
xuq-smart-fridge-uj0.rest
jam-nins.com
rentabay.shop
victoryvo2.info
i2c2.tech
wck37.top
refrigerators-69792.bond
abc1network.net
amilia-do-gil.net
806477628.xyz
luxdrive.vip
unika.lat
sculptify.today
winatwork.today
onlinegamehub.online
petnino.club
amtrade.icu
macular-degeneration-39252.bond
argastipster.click
1nvuti.fun
beautifyaura.com
savings-accounts-57645.bond
ok33r.shop
Signatures
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Formbook family
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Modifies WinLogon for persistence 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\skype\\skype.exe," reg.exe Set value (str) \REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\skype\\skype.exe," reg.exe -
Formbook payload 2 IoCs
resource yara_rule behavioral2/memory/3796-24-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral2/memory/5628-30-0x0000000000400000-0x000000000042F000-memory.dmp formbook -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\Control Panel\International\Geo\Nation ea4fe51e13f6ab1785535b32345f69ef110e21981bf7dbb09ce02c0bdec1e43c.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe cmd.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 2876 skype.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2876 set thread context of 3796 2876 skype.exe 115 PID 3796 set thread context of 3424 3796 AddInProcess32.exe 56 PID 5628 set thread context of 3424 5628 msiexec.exe 56 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 14 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ea4fe51e13f6ab1785535b32345f69ef110e21981bf7dbb09ce02c0bdec1e43c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language skype.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language skype.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msiexec.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 7 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4192 cmd.exe 4904 PING.EXE 4372 PING.EXE 696 cmd.exe 5684 PING.EXE 1292 cmd.exe 4444 PING.EXE -
Runs ping.exe 1 TTPs 4 IoCs
pid Process 5684 PING.EXE 4444 PING.EXE 4904 PING.EXE 4372 PING.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 760 ea4fe51e13f6ab1785535b32345f69ef110e21981bf7dbb09ce02c0bdec1e43c.exe 760 ea4fe51e13f6ab1785535b32345f69ef110e21981bf7dbb09ce02c0bdec1e43c.exe 4700 skype.exe 4700 skype.exe 4700 skype.exe 4700 skype.exe 4700 skype.exe 4700 skype.exe 4700 skype.exe 4700 skype.exe 4700 skype.exe 4700 skype.exe 4700 skype.exe 4700 skype.exe 4700 skype.exe 4700 skype.exe 4700 skype.exe 4700 skype.exe 4700 skype.exe 4700 skype.exe 4700 skype.exe 4700 skype.exe 4700 skype.exe 4700 skype.exe 4700 skype.exe 4700 skype.exe 4700 skype.exe 4700 skype.exe 2876 skype.exe 2876 skype.exe 2876 skype.exe 3796 AddInProcess32.exe 3796 AddInProcess32.exe 3796 AddInProcess32.exe 3796 AddInProcess32.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe 5628 msiexec.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3424 Explorer.EXE -
Suspicious behavior: MapViewOfSection 5 IoCs
pid Process 3796 AddInProcess32.exe 3796 AddInProcess32.exe 3796 AddInProcess32.exe 5628 msiexec.exe 5628 msiexec.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 760 ea4fe51e13f6ab1785535b32345f69ef110e21981bf7dbb09ce02c0bdec1e43c.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 760 ea4fe51e13f6ab1785535b32345f69ef110e21981bf7dbb09ce02c0bdec1e43c.exe Token: SeDebugPrivilege 4700 skype.exe Token: SeDebugPrivilege 2876 skype.exe Token: SeDebugPrivilege 3796 AddInProcess32.exe Token: SeDebugPrivilege 5628 msiexec.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3424 Explorer.EXE -
Suspicious use of WriteProcessMemory 45 IoCs
description pid Process procid_target PID 760 wrote to memory of 696 760 ea4fe51e13f6ab1785535b32345f69ef110e21981bf7dbb09ce02c0bdec1e43c.exe 89 PID 760 wrote to memory of 696 760 ea4fe51e13f6ab1785535b32345f69ef110e21981bf7dbb09ce02c0bdec1e43c.exe 89 PID 760 wrote to memory of 696 760 ea4fe51e13f6ab1785535b32345f69ef110e21981bf7dbb09ce02c0bdec1e43c.exe 89 PID 696 wrote to memory of 5684 696 cmd.exe 92 PID 696 wrote to memory of 5684 696 cmd.exe 92 PID 696 wrote to memory of 5684 696 cmd.exe 92 PID 760 wrote to memory of 4700 760 ea4fe51e13f6ab1785535b32345f69ef110e21981bf7dbb09ce02c0bdec1e43c.exe 93 PID 760 wrote to memory of 4700 760 ea4fe51e13f6ab1785535b32345f69ef110e21981bf7dbb09ce02c0bdec1e43c.exe 93 PID 760 wrote to memory of 4700 760 ea4fe51e13f6ab1785535b32345f69ef110e21981bf7dbb09ce02c0bdec1e43c.exe 93 PID 4700 wrote to memory of 1292 4700 skype.exe 94 PID 4700 wrote to memory of 1292 4700 skype.exe 94 PID 4700 wrote to memory of 1292 4700 skype.exe 94 PID 1292 wrote to memory of 4444 1292 cmd.exe 96 PID 1292 wrote to memory of 4444 1292 cmd.exe 96 PID 1292 wrote to memory of 4444 1292 cmd.exe 96 PID 4700 wrote to memory of 4192 4700 skype.exe 99 PID 4700 wrote to memory of 4192 4700 skype.exe 99 PID 4700 wrote to memory of 4192 4700 skype.exe 99 PID 4192 wrote to memory of 4904 4192 cmd.exe 101 PID 4192 wrote to memory of 4904 4192 cmd.exe 101 PID 4192 wrote to memory of 4904 4192 cmd.exe 101 PID 1292 wrote to memory of 5292 1292 cmd.exe 105 PID 1292 wrote to memory of 5292 1292 cmd.exe 105 PID 1292 wrote to memory of 5292 1292 cmd.exe 105 PID 696 wrote to memory of 3320 696 cmd.exe 106 PID 696 wrote to memory of 3320 696 cmd.exe 106 PID 696 wrote to memory of 3320 696 cmd.exe 106 PID 4192 wrote to memory of 4372 4192 cmd.exe 109 PID 4192 wrote to memory of 4372 4192 cmd.exe 109 PID 4192 wrote to memory of 4372 4192 cmd.exe 109 PID 4192 wrote to memory of 2876 4192 cmd.exe 113 PID 4192 wrote to memory of 2876 4192 cmd.exe 113 PID 4192 wrote to memory of 2876 4192 cmd.exe 113 PID 2876 wrote to memory of 3796 2876 skype.exe 115 PID 2876 wrote to memory of 3796 2876 skype.exe 115 PID 2876 wrote to memory of 3796 2876 skype.exe 115 PID 2876 wrote to memory of 3796 2876 skype.exe 115 PID 2876 wrote to memory of 3796 2876 skype.exe 115 PID 2876 wrote to memory of 3796 2876 skype.exe 115 PID 3424 wrote to memory of 5628 3424 Explorer.EXE 119 PID 3424 wrote to memory of 5628 3424 Explorer.EXE 119 PID 3424 wrote to memory of 5628 3424 Explorer.EXE 119 PID 5628 wrote to memory of 1952 5628 msiexec.exe 120 PID 5628 wrote to memory of 1952 5628 msiexec.exe 120 PID 5628 wrote to memory of 1952 5628 msiexec.exe 120
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3424 -
C:\Users\Admin\AppData\Local\Temp\ea4fe51e13f6ab1785535b32345f69ef110e21981bf7dbb09ce02c0bdec1e43c.exe"C:\Users\Admin\AppData\Local\Temp\ea4fe51e13f6ab1785535b32345f69ef110e21981bf7dbb09ce02c0bdec1e43c.exe"2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:760 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c ping 127.0.0.1 -n 9 > nul && REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe,"3⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:696 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 94⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:5684
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C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe,"4⤵
- Modifies WinLogon for persistence
- System Location Discovery: System Language Discovery
PID:3320
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C:\Users\Admin\AppData\Local\Temp\skype.exe"C:\Users\Admin\AppData\Local\Temp\skype.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4700 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c ping 127.0.0.1 -n 7 > nul && REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe,"4⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1292 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 75⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:4444
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C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe,"5⤵
- Modifies WinLogon for persistence
- System Location Discovery: System Language Discovery
PID:5292
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C:\Windows\SysWOW64\cmd.exe"cmd" /c ping 127.0.0.1 -n 15 > nul && copy "C:\Users\Admin\AppData\Local\Temp\skype.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe" && ping 127.0.0.1 -n 15 > nul && "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe"4⤵
- Drops startup file
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4192 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 155⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:4904
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 155⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:4372
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2876 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"6⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3796
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C:\Windows\SysWOW64\msiexec.exe"C:\Windows\SysWOW64\msiexec.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5628 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"3⤵
- System Location Discovery: System Language Discovery
PID:1952
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5bfd425f352e735df3262cf2f7ecef0c0
SHA1ec1143a8e10e9f9a868fbd401165cda5b1d4cf58
SHA256c01dce3be794873cd4c0b4597e5c071baa4e5b88e15c61dcadeeb9f6a9821ab5
SHA512744911b6d8e79664b9ef490524da292b33958254df0ed78637295abe478e418c530dec91199eb71f9190b32f6f66fc2c61a1b56a9ad802f1b5020270e78da07c
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Filesize
616KB
MD533597eea937de9fc85c91fc86d4081da
SHA1221c42c79cb047ade2346e1da635a1ac359f06ef
SHA256ea4fe51e13f6ab1785535b32345f69ef110e21981bf7dbb09ce02c0bdec1e43c
SHA5127dab2e8b3b8852cbe61e6f17c6adc67b1c2662e3f1a4178644d6dd6479be6c549442fd1598123c1f08c13417d647a7dd6d9f530eeff31026d6cecfea04d965f9