34094b078a293ca487ae971ca8c23c2292a10389782d648765797dd67b59351b

General

Target

6fe8ff66ffd242c7b9158eb162087736_JaffaCakes118.exe
Size

183KB
MD5

6fe8ff66ffd242c7b9158eb162087736
SHA1

8de4a966073f7ce9436125fff8d4e48b83acb600
SHA256

34094b078a293ca487ae971ca8c23c2292a10389782d648765797dd67b59351b
SHA512

b7b751c2e90fffc1f0e8189fcc27a752be9e00e8782f3d3274bc660d6538115b477d6d52dc38fd1dd98ea7396b13923be06d695972ae37271deb6dc4883a4591
SSDEEP

3072:kamFnQYUM6m3SP2sVSdEnfWZN3cbgonk9sX1qalYuhLJNdjQVVTuP5J85Vi9iqV0:kazq3aipalYuhoao5sQkzAT

Score

8^/10

Malware Config

Signatures

Manipulates Digital Signatures 1 TTPs 1 IoCs

Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\SystemCertificates\TrustedPublisher\Certificates\62119EF862C6B3A0D853419B87EB3E2F6C78640A\Blob = 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	regedit.exe

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x00070000000234e5-26.dat	acprotect

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
3240	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
744	regsvr32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4220-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0009000000023475-3.dat	upx
behavioral2/memory/3240-5-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4220-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x00070000000234e5-26.dat	upx
behavioral2/memory/744-28-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/memory/3240-56-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\egaccess4_1071.dll	iaccess32.exe

Drops file in Program Files directory 13 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Instant Access\Multi\20110120120124\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120120124\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120120124\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120120124\medias\p2e_3_3.gif	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110120120124\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120120124\instant access.exe	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120120124\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120120124\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120120124\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120120124\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\dialexe.zl	iaccess32.exe
File created	C:\Windows\dialexe.epk	iaccess32.exe
File created	C:\Windows\dialerexe.ini	iaccess32.exe
File created	C:\Windows\egdhtm_pack.epk	iaccess32.exe
File created	C:\Windows\iaccess32.exe	6fe8ff66ffd242c7b9158eb162087736_JaffaCakes118.exe
File created	C:\Windows\tmlpcert2007	iaccess32.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	6fe8ff66ffd242c7b9158eb162087736_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iaccess32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regedit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\À	iaccess32.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{413E282B-C32A-4717-A0F3-4F2E6FE25F83}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{413E282B-C32A-4717-A0F3-4F2E6FE25F83}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{413E282B-C32A-4717-A0F3-4F2E6FE25F83}\InprocServer32\ = "C:\\Windows\\SysWow64\\egaccess4_1071.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{413E282B-C32A-4717-A0F3-4F2E6FE25F83}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Runs regedit.exe 1 IoCs

pid	Process
4724	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4220	6fe8ff66ffd242c7b9158eb162087736_JaffaCakes118.exe
3240	iaccess32.exe
3240	iaccess32.exe
3240	iaccess32.exe
3240	iaccess32.exe
3240	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4220 wrote to memory of 3240	4220	6fe8ff66ffd242c7b9158eb162087736_JaffaCakes118.exe	83
PID 4220 wrote to memory of 3240	4220	6fe8ff66ffd242c7b9158eb162087736_JaffaCakes118.exe	83
PID 4220 wrote to memory of 3240	4220	6fe8ff66ffd242c7b9158eb162087736_JaffaCakes118.exe	83
PID 3240 wrote to memory of 4724	3240	iaccess32.exe	84
PID 3240 wrote to memory of 4724	3240	iaccess32.exe	84
PID 3240 wrote to memory of 4724	3240	iaccess32.exe	84
PID 3240 wrote to memory of 744	3240	iaccess32.exe	85
PID 3240 wrote to memory of 744	3240	iaccess32.exe	85
PID 3240 wrote to memory of 744	3240	iaccess32.exe	85

C:\Users\Admin\AppData\Local\Temp\6fe8ff66ffd242c7b9158eb162087736_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6fe8ff66ffd242c7b9158eb162087736_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4220
- C:\Windows\iaccess32.exe
  C:\Windows\iaccess32.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in System32 directory
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3240
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - System Location Discovery: System Language Discovery
    - Runs regedit.exe
    PID:4724
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    PID:744

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

1

T1553

SIP and Trust Provider Hijacking

1

T1553.003

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Instant Access\Multi\20110120120124\dialerexe.ini

Filesize
668B

MD5
52ee9de5a4f4e73bb13b6844ce17bd1f

SHA1
d21a21b2be13e0ee584d806257ce7b2a482220f4

SHA256
c5f5e853dfdec38eaf7c9c718d5e17c049e1a474301a58fb397bdcd666335eb2

SHA512
c22beeacd552de4007e00c51940fff1695de0e92d837dd1c9127a5180890a1bfe61c614b22ab52255e1ff79cd93149fdc40ac533de71296875401ec08f82980a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\NOCREDITCARD.lnk

Filesize
2KB

MD5
130f3255b6ba1e032ca38b8ae497d9e7

SHA1
4659d1005646b436635bd1ac42c51b89c9bba613

SHA256
13ee824e0ad9ae7cec5576f2682b9cc521d79924c60d971baeea94dffad49f94

SHA512
720fe25738dd20a456f7d60be13ed0fd118ada21141e467ec54a96c0fa6a006dcbb0ee0ed15bf51d2f7c03a1e7bbf8a6ba4f7b070253979468a97ded2ec15c15

Download Submit
C:\Users\Public\Desktop\NOCREDITCARD.lnk

Filesize
2KB

MD5
cc4dac589ba606f959566ac318b07a32

SHA1
b398f3bb1ec58b145dad1b37bcf840f7c2aa089a

SHA256
5c459b739171867a39551be8f6ba4ed274e2bd4038f69da37c1e311106831ef5

SHA512
c0f0ee8d47fba1c62d9b192a12acc1d0ab371b030349b80e87832216a08e43736c1ea7e3fb501b1bfef40627504a92b3e7e37866d39c5cf48927cf001167ff87

Download Submit
C:\Windows\SysWOW64\egaccess4_1071.dll

Filesize
76KB

MD5
b83f652ffa76451ae438954f89c02f62

SHA1
b3ba0014dd16cee5f6d4cfe7e28b2d5de79dc6dd

SHA256
f601991aa00cbe7001197affc0e3854ab76c51c05b9a6ca3e3f708fed876c32f

SHA512
965172a5ecd070ea6707ec9985ee3c135c06534561b90ae233e8049b247d87d529b8280f0faf2b0ed933f59c68844414726fa80c4d3119cffa4fdd1cb60eab83

Download Submit
C:\Windows\iaccess32.exe

Filesize
183KB

MD5
e26b3f751228c694dc76198def9bf3fc

SHA1
5cf79d07b903cac30380713fbd5f7eacf34af093

SHA256
8e5c351ccaed06bb908f9c3d788a99fcd074d62b927766195df39e1fcf0bc49e

SHA512
a51eb4dafbd46bde0bbf637a0247031ed54f7dd265b000108a4f3bbd0ad0f666f8309645ed62b2eda386dcbabc7b1cd3582c73e5a89695fcd1345f7dbb2ea6bd

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/744-28-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/3240-5-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3240-56-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4220-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4220-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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