7bb8d5637f4d94959d38d54f4d8eec1bc7ed3c3fb436d52531eadf56bd775bf3

Analysis

max time kernel
140s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-10-2024 09:47

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General

Target

56c198e3b7e0289d33a03e0dc743562e_JaffaCakes118.exe
Size

714KB
MD5

56c198e3b7e0289d33a03e0dc743562e
SHA1

73f9d83da2fd57262a4a9eea26352920162e67c0
SHA256

7bb8d5637f4d94959d38d54f4d8eec1bc7ed3c3fb436d52531eadf56bd775bf3
SHA512

2954d2cbd8596f7d10e0fdb024557e623324b9ba2ea6c2d363db2c2bf2851685b374f3c0fa24da4c5f16dd108a131d17110921cea764d17fc4aa5b84a8492a61
SSDEEP

12288:3vmTfBj+4sqM5U6kgI9AEcO2J146QcXH16Rt/FN3h7IVdgkALYvDgeaRIBETv:3v2+3qh6kginKJh1XcRtjh7InfvDVZBq

Score

7^/10

discovery upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0009000000023c9c-4.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
2876	Fcrzivoss.exe

Loads dropped DLL 6 IoCs

pid	Process
972	56c198e3b7e0289d33a03e0dc743562e_JaffaCakes118.exe
972	56c198e3b7e0289d33a03e0dc743562e_JaffaCakes118.exe
972	56c198e3b7e0289d33a03e0dc743562e_JaffaCakes118.exe
2876	Fcrzivoss.exe
2876	Fcrzivoss.exe
2876	Fcrzivoss.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Fcrzivoss.exe	56c198e3b7e0289d33a03e0dc743562e_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Fcrzivoss.dll	Fcrzivoss.exe
File opened for modification	C:\Windows\SysWOW64\Fcrzivoss.dll	Fcrzivoss.exe
File created	C:\Windows\SysWOW64\Fcrzivoss.exe	56c198e3b7e0289d33a03e0dc743562e_JaffaCakes118.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x0009000000023c9c-4.dat	upx
behavioral2/memory/972-5-0x0000000010000000-0x0000000010128000-memory.dmp	upx
behavioral2/memory/2876-25-0x0000000010000000-0x0000000010128000-memory.dmp	upx
behavioral2/memory/972-39-0x0000000010000000-0x0000000010128000-memory.dmp	upx
behavioral2/memory/2876-50-0x0000000010000000-0x0000000010128000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Fonts\8a9ee3e8f0e699aec57bfb81402eaf05.dat	Fcrzivoss.exe
File opened for modification	C:\Windows\Fonts\8a9ee3e8f0e699aec57bfb81402eaf05.dat	Fcrzivoss.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	56c198e3b7e0289d33a03e0dc743562e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Fcrzivoss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Check_Associations = "NO"	Fcrzivoss.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31138114"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3740597641"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{0A92991F-8D36-11EF-AF2A-4A034D48373C} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3740597641"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3743878972"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31138114"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "436009846"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31138114"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2876	Fcrzivoss.exe
2876	Fcrzivoss.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3152	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
972	56c198e3b7e0289d33a03e0dc743562e_JaffaCakes118.exe
2876	Fcrzivoss.exe
3152	IEXPLORE.EXE
3152	IEXPLORE.EXE
5040	IEXPLORE.EXE
5040	IEXPLORE.EXE
5040	IEXPLORE.EXE
5040	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 972 wrote to memory of 2876	972	56c198e3b7e0289d33a03e0dc743562e_JaffaCakes118.exe	84
PID 972 wrote to memory of 2876	972	56c198e3b7e0289d33a03e0dc743562e_JaffaCakes118.exe	84
PID 972 wrote to memory of 2876	972	56c198e3b7e0289d33a03e0dc743562e_JaffaCakes118.exe	84
PID 2876 wrote to memory of 3152	2876	Fcrzivoss.exe	88
PID 2876 wrote to memory of 3152	2876	Fcrzivoss.exe	88
PID 3152 wrote to memory of 5040	3152	IEXPLORE.EXE	89
PID 3152 wrote to memory of 5040	3152	IEXPLORE.EXE	89
PID 3152 wrote to memory of 5040	3152	IEXPLORE.EXE	89
PID 972 wrote to memory of 644	972	56c198e3b7e0289d33a03e0dc743562e_JaffaCakes118.exe	90
PID 972 wrote to memory of 644	972	56c198e3b7e0289d33a03e0dc743562e_JaffaCakes118.exe	90
PID 972 wrote to memory of 644	972	56c198e3b7e0289d33a03e0dc743562e_JaffaCakes118.exe	90
PID 2876 wrote to memory of 3152	2876	Fcrzivoss.exe	88

C:\Users\Admin\AppData\Local\Temp\56c198e3b7e0289d33a03e0dc743562e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\56c198e3b7e0289d33a03e0dc743562e_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:972
- C:\Windows\SysWOW64\Fcrzivoss.exe
  C:\Windows\system32\Fcrzivoss.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2876
- - C:\Program Files\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files\Internet Explorer\IEXPLORE.EXE" -nohome
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3152
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3152 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:5040
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c c:\del_fiovme.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DQ67RYHS\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\E_4\Exmlrpc.fne

Filesize
72KB

MD5
f79ee77a4f30401507e6f54a61598f58

SHA1
7f3ef4945f621ed2880ff5a10a126957b2011a17

SHA256
cf8e29720823eb114fbc3018569a7296ed3e6fcd6c4897f50c5c6e0e98d0b3f8

SHA512
26ccde784b06c46f60fb5a105c806c4d9dc1497fd79d39728fbcfa869d470ca2ba018b0665f3cbc05019fb0766dac2eb1084a6fdce2f9aaaae881beb09dd3739

Download Submit
C:\Users\Admin\AppData\Local\Temp\E_4\dp1.fne

Filesize
112KB

MD5
6d4b2e73f6f8ecff02f19f7e8ef9a8c7

SHA1
09c32ca167136a17fd69df8c525ea5ffeca6c534

SHA256
fe5783e64aa70fac10c2e42d460732d9770534357329d8bc78576557c165f040

SHA512
2fd7a95cb632e9c4ac6b34e5b6b875aae94e73cd4b1f213e78f46dadab4846227a030776461bca08f9d75a1d61a0d45427f7b0c8b71406b7debc14db04b2ce04

Download Submit
C:\Users\Admin\AppData\Local\Temp\E_4\krnln.fnr

Filesize
405KB

MD5
dfbee911389a5fd0b51a6adf9b4ede84

SHA1
d16b17e95d4a26e9fd9218cfa437ba38f01de5be

SHA256
a94f68ed336071708f0891baa692aae8853c59ea455a36e271ded8f37e35f7fe

SHA512
9e1df3f615d91f2c758dada9f714c24ebe01236734ccf2fa481c1f70f6ad55218dbb830989fb309e3ce2c43a8af0f8871f785365f631caaa601a8733cb13df95

Download Submit
C:\Windows\SysWOW64\Fcrzivoss.exe

Filesize
714KB

MD5
56c198e3b7e0289d33a03e0dc743562e

SHA1
73f9d83da2fd57262a4a9eea26352920162e67c0

SHA256
7bb8d5637f4d94959d38d54f4d8eec1bc7ed3c3fb436d52531eadf56bd775bf3

SHA512
2954d2cbd8596f7d10e0fdb024557e623324b9ba2ea6c2d363db2c2bf2851685b374f3c0fa24da4c5f16dd108a131d17110921cea764d17fc4aa5b84a8492a61

Download Submit
\??\c:\del_fiovme.bat

Filesize
235B

MD5
f71af90b3462bbd479cb871fad4eaa29

SHA1
b1465e0c12b3e32a30f3d58e1f7377a187884000

SHA256
9bfa7ef8d3da82f39a8144ce94518385764fed7ac6b7ef3143b15a970af6c89b

SHA512
a3320774dd1ac5fbcced81304e2115d9fe3ffe9f5c203a528a4d7876be884e758aa2f1d4a89f1db7c8c3f31ca8569e3ce5a7464bd3291c898fe05e064f0b747b

Download Submit
memory/972-38-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/972-0-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/972-39-0x0000000010000000-0x0000000010128000-memory.dmp

Filesize
1.2MB

Download
memory/972-11-0x00000000022C0000-0x00000000022DE000-memory.dmp

Filesize
120KB

Download
memory/972-5-0x0000000010000000-0x0000000010128000-memory.dmp

Filesize
1.2MB

Download
memory/2876-25-0x0000000010000000-0x0000000010128000-memory.dmp

Filesize
1.2MB

Download
memory/2876-33-0x0000000002640000-0x000000000265E000-memory.dmp

Filesize
120KB

Download
memory/2876-50-0x0000000010000000-0x0000000010128000-memory.dmp

Filesize
1.2MB

Download
memory/2876-51-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download