642e1ae1ea69de7686b24649bdbd2b0818954863e4ec8691f7bd096f08fc4454

General

Target

b798d815d86e70c411c995da0bede7fb_JaffaCakes118.exe
Size

123KB
MD5

b798d815d86e70c411c995da0bede7fb
SHA1

350f6cb2fe2ccacd32faad2f04600903a3f9a687
SHA256

642e1ae1ea69de7686b24649bdbd2b0818954863e4ec8691f7bd096f08fc4454
SHA512

291384ab2086611ea9e03c740e6557e70496d8674b2428541debf64a410196c6c4c10a5e058e7a4ceaac11fb3cfaafc5bb2df0c9c5c9064bc93393999a544752
SSDEEP

3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLB:OVYrJrOSsRwcpT

Score

8^/10

Malware Config

Signatures

Manipulates Digital Signatures 1 TTPs 2 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 (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\Trust Database\0\goicfboogidikkejccmclpieicihhlpo jimddp = "electronic-group"	iaccess32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\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
behavioral1/files/0x000500000001a481-30.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
2436	iaccess32.exe

Loads dropped DLL 3 IoCs

pid	Process
2884	regsvr32.exe
2436	iaccess32.exe
2436	iaccess32.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1696-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1696-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x00080000000120ff-5.dat	upx
behavioral1/memory/2436-9-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000500000001a481-30.dat	upx
behavioral1/memory/2884-32-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral1/memory/2436-78-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2436-80-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2436-81-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2436-82-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2436-83-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2436-84-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2436-85-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2436-87-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2436-88-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2436-89-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2436-90-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2436-91-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2436-92-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2436-93-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2436-94-0x0000000000400000-0x000000000042E000-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\20110121190114\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121190114\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121190114\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121190114\dialerexe.ini	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110121190114\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk	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\20110121190114\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121190114\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121190114\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121190114\instant access.exe	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121190114\Common\module.php	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\iaccess32.exe	b798d815d86e70c411c995da0bede7fb_JaffaCakes118.exe
File created	C:\Windows\tmlpcert2007	iaccess32.exe
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

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	b798d815d86e70c411c995da0bede7fb_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 Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Main	iaccess32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iaccess32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iaccess32.exe

Modifies registry class 4 IoCs

description	ioc	Process
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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{413E282B-C32A-4717-A0F3-4F2E6FE25F83}	regsvr32.exe

Runs regedit.exe 1 IoCs

pid	Process
2488	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1696	b798d815d86e70c411c995da0bede7fb_JaffaCakes118.exe
2436	iaccess32.exe
2436	iaccess32.exe
2436	iaccess32.exe
2436	iaccess32.exe
2436	iaccess32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 2436	1696	b798d815d86e70c411c995da0bede7fb_JaffaCakes118.exe	30
PID 1696 wrote to memory of 2436	1696	b798d815d86e70c411c995da0bede7fb_JaffaCakes118.exe	30
PID 1696 wrote to memory of 2436	1696	b798d815d86e70c411c995da0bede7fb_JaffaCakes118.exe	30
PID 1696 wrote to memory of 2436	1696	b798d815d86e70c411c995da0bede7fb_JaffaCakes118.exe	30
PID 2436 wrote to memory of 2488	2436	iaccess32.exe	31
PID 2436 wrote to memory of 2488	2436	iaccess32.exe	31
PID 2436 wrote to memory of 2488	2436	iaccess32.exe	31
PID 2436 wrote to memory of 2488	2436	iaccess32.exe	31
PID 2436 wrote to memory of 2884	2436	iaccess32.exe	32
PID 2436 wrote to memory of 2884	2436	iaccess32.exe	32
PID 2436 wrote to memory of 2884	2436	iaccess32.exe	32
PID 2436 wrote to memory of 2884	2436	iaccess32.exe	32
PID 2436 wrote to memory of 2884	2436	iaccess32.exe	32
PID 2436 wrote to memory of 2884	2436	iaccess32.exe	32
PID 2436 wrote to memory of 2884	2436	iaccess32.exe	32

C:\Users\Admin\AppData\Local\Temp\b798d815d86e70c411c995da0bede7fb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b798d815d86e70c411c995da0bede7fb_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1696
- C:\Windows\iaccess32.exe
  C:\Windows\iaccess32.exe
  2⤵
  - Manipulates Digital Signatures
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2436
- - 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:2488
- - 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:2884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

SIP and Trust Provider Hijacking

1

T1553.003

Credential Access

Discovery

System Information Discovery

1

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\20110121190114\dialerexe.ini

Filesize
668B

MD5
e1b5ff54ebb3ca9cef859e95c3d2ff2c

SHA1
bbdb4eb2c6ed5ec05649bba3c35df4be01a5882e

SHA256
89377c74e69f0e558f3e4733465d1f4a52c570efe947994b537747f4faa1dcff

SHA512
a4b15712ef193c02df7a0f711cb34761e1ce55d5ca52051df74778d81e89d35bafdfffd787ee6fe9e079e5cc1378a85f70ad5dd78ee2a94000e461dec7e3bef0

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

Filesize
2KB

MD5
c8122c73a0d4733c7616392676ec2f32

SHA1
ae3557d95fd04e34ee00117ab9d7163b3ba1f34a

SHA256
85901014def7156506ebbbc4b7bcfadadd33893b5b4ecadab02735b0311819ec

SHA512
681cffb13d059a02f7a625ee0d05c4229e2fba68a273d64070cc7ff8df6cac74b397f20afca193ca4a0c2683c4be0fa7b194a8e6e401f6fbc6be0ca4175d9881

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
123KB

MD5
8a76d2796ea1ec1118279a8be7204f08

SHA1
f7fdf570d3fb8befb3107fdab335f886e6f69adc

SHA256
40121ea18c813de3705ba8e58dfd313f90b7f005f6635c92f6510f080069104c

SHA512
c9975d63e4662001459917dda9f5536ebccbe54d22e5577b9d3f4e3f1df072d2c6cc8cb0e9a749224431e26f34c567589449b4a1089e897eb6c330e9064104fa

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/1696-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1696-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2436-85-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2436-83-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2436-54-0x0000000003500000-0x0000000003510000-memory.dmp

Filesize
64KB

Download
memory/2436-94-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2436-78-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2436-79-0x0000000003500000-0x0000000003510000-memory.dmp

Filesize
64KB

Download
memory/2436-80-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2436-81-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2436-82-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2436-45-0x0000000003500000-0x0000000003510000-memory.dmp

Filesize
64KB

Download
memory/2436-84-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2436-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2436-87-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2436-88-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2436-89-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2436-90-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2436-91-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2436-92-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2436-93-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2884-32-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

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