33301f16e2df55c02af5dd56d84d9c7f35275fba7578e004c80b8e6f57411509

General

Target

426b9af6e447c3e7a45ebe09ad927fd3_JaffaCakes118.exe
Size

123KB
MD5

426b9af6e447c3e7a45ebe09ad927fd3
SHA1

c35699d3ef6a634189c226a464e2ea8fac2f4abb
SHA256

33301f16e2df55c02af5dd56d84d9c7f35275fba7578e004c80b8e6f57411509
SHA512

79ab1121c7018e467bd2556038517c6e5159319725e5953c8aef14dd7df9a30f23113e63be4ce26a37bc989e00f079a861b6ea0f57a1f6d82e040567f978a3f1
SSDEEP

3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLL7Nr7:OVYrJrOSsRwcpL7

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\Trust Database\0\goicfboogidikkejccmclpieicihhlpo jimddp = "electronic-group"	iaccess32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\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/0x0005000000019bf2-30.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
1720	iaccess32.exe

Loads dropped DLL 3 IoCs

pid	Process
2936	regsvr32.exe
1720	iaccess32.exe
1720	iaccess32.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1312-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1720-9-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1312-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000a0000000120d5-6.dat	upx
behavioral1/files/0x0005000000019bf2-30.dat	upx
behavioral1/memory/2936-32-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral1/memory/1720-85-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1720-87-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1720-88-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1720-89-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1720-90-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1720-91-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1720-92-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1720-94-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1720-95-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1720-96-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1720-97-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1720-98-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1720-99-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1720-100-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1720-101-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 13 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100715100728\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100715100728\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100715100728\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100715100728\instant access.exe	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100715100728\dialerexe.ini	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20100715100728\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100715100728\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100715100728\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100715100728\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100715100728\medias\p2e_3_3.gif	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\dialerexe.ini	iaccess32.exe
File created	C:\Windows\egdhtm_pack.epk	iaccess32.exe
File created	C:\Windows\iaccess32.exe	426b9af6e447c3e7a45ebe09ad927fd3_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

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	regedit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	426b9af6e447c3e7a45ebe09ad927fd3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iaccess32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main	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
2148	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1312	426b9af6e447c3e7a45ebe09ad927fd3_JaffaCakes118.exe
1720	iaccess32.exe
1720	iaccess32.exe
1720	iaccess32.exe
1720	iaccess32.exe
1720	iaccess32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 1720	1312	426b9af6e447c3e7a45ebe09ad927fd3_JaffaCakes118.exe	30
PID 1312 wrote to memory of 1720	1312	426b9af6e447c3e7a45ebe09ad927fd3_JaffaCakes118.exe	30
PID 1312 wrote to memory of 1720	1312	426b9af6e447c3e7a45ebe09ad927fd3_JaffaCakes118.exe	30
PID 1312 wrote to memory of 1720	1312	426b9af6e447c3e7a45ebe09ad927fd3_JaffaCakes118.exe	30
PID 1720 wrote to memory of 2148	1720	iaccess32.exe	31
PID 1720 wrote to memory of 2148	1720	iaccess32.exe	31
PID 1720 wrote to memory of 2148	1720	iaccess32.exe	31
PID 1720 wrote to memory of 2148	1720	iaccess32.exe	31
PID 1720 wrote to memory of 2936	1720	iaccess32.exe	32
PID 1720 wrote to memory of 2936	1720	iaccess32.exe	32
PID 1720 wrote to memory of 2936	1720	iaccess32.exe	32
PID 1720 wrote to memory of 2936	1720	iaccess32.exe	32
PID 1720 wrote to memory of 2936	1720	iaccess32.exe	32
PID 1720 wrote to memory of 2936	1720	iaccess32.exe	32
PID 1720 wrote to memory of 2936	1720	iaccess32.exe	32

C:\Users\Admin\AppData\Local\Temp\426b9af6e447c3e7a45ebe09ad927fd3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\426b9af6e447c3e7a45ebe09ad927fd3_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1312
- 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:1720
- - 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:2148
- - 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:2936

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\20100715100728\dialerexe.ini

Filesize
587B

MD5
2cdd0fdd191b5bd00fbae97548a4af19

SHA1
19ef75d408a2d4997f4e5c18bc65249279e17931

SHA256
6c15e7ab4d807761c96cc93f0bd925689ce52fe79b4c1dda3547304dcae7acb5

SHA512
909bdf4e120f3c59c0f0fe626fbba45649c2b8960f341158fee1c7b68267170429453f896d9edb1a37e687c597c2145c2d771597d584d67c0862b6ecf88f5ffe

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

Filesize
2KB

MD5
a29c05ab4ba6d9648e5cc0bc119476ab

SHA1
55fba57bc39ef31bfda50db0c1f2b376f9831d9c

SHA256
4395b9e9956a7bc534b5541977e20eb0985da9e8f6cad9cbc14115b8216a8e13

SHA512
67f0ddeef218a86e90fa78876d701a8f69e3b290c28596adbcdf26bd3b4b361a7d382f92e02ca124230b188a4cf69a72231d9d8d338c656d54072b0bed79ed8c

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
121dc7bc8c18f43760b7cb90695cb7c4

SHA1
28785264b71c13b5cbc66ef810ae14ebd15892d2

SHA256
28d30de20bf840c9f1f55d2722010d5adfafa13d91a7a3fefa1b3a99ad53204e

SHA512
0cd752dbb186a71427231150ae4fc8e1bc94f70b55ee55cfad7d3d167577fc7ece8731844438f27f983561fc638e8d859ddb6f663cbd6d978587bb485d787324

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/1312-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1312-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1720-92-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1720-90-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1720-54-0x00000000035C0000-0x00000000035D0000-memory.dmp

Filesize
64KB

Download
memory/1720-101-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1720-85-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1720-86-0x00000000035C0000-0x00000000035D0000-memory.dmp

Filesize
64KB

Download
memory/1720-87-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1720-88-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1720-89-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1720-45-0x00000000035C0000-0x00000000035D0000-memory.dmp

Filesize
64KB

Download
memory/1720-91-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1720-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1720-94-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1720-95-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1720-96-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1720-97-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1720-98-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1720-99-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1720-100-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2936-32-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

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