dc01347132b28dd5b7194bf62a0d79d3b62521472f24b78952bc38e706a492ab

General

Target

b7151cea85d3d3c3046a4a3fefc32089_JaffaCakes118.exe
Size

185KB
MD5

b7151cea85d3d3c3046a4a3fefc32089
SHA1

08eb664b42224b9bc6642bc76e25f43300f1e54b
SHA256

dc01347132b28dd5b7194bf62a0d79d3b62521472f24b78952bc38e706a492ab
SHA512

4c2b6864e7c473771ea067fe523dee79041e009b0ac9de5e5fc40d1397f56d35a873de0ae0926c924f1d5bf6aaa09d6df5832a64d8af9d8833232e093ce88b45
SSDEEP

3072:EamFnQYUM6m3SP2sVSdEnfWZN3cbgonk9sX1qalYuhLJNdjQVVTuP5J85Vi9iqVT:Eazq3aipalYuhoao5sQkzhf1

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-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\Trust Database\0\goicfboogidikkejccmclpieicihhlpo jimddp = "electronic-group"	iaccess32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\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/0x00050000000198f1-25.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
1376	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
2208	regsvr32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2852-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x0005000000010300-5.dat	upx
behavioral1/memory/1376-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2852-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x00050000000198f1-25.dat	upx
behavioral1/memory/2208-27-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral1/memory/1376-69-0x0000000000400000-0x000000000042E000-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 9 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110209110242\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110209110242\instant access.exe	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\20110209110242\medias\dialer.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110209110242\js\js_api_dialer.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110209110242\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Center\NoCreditCard.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110209110242\Common\module.php	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\iaccess32.exe	b7151cea85d3d3c3046a4a3fefc32089_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	b7151cea85d3d3c3046a4a3fefc32089_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-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Internet Explorer\Main	iaccess32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iaccess32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\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}	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
2828	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2852	b7151cea85d3d3c3046a4a3fefc32089_JaffaCakes118.exe
1376	iaccess32.exe
1376	iaccess32.exe
1376	iaccess32.exe
1376	iaccess32.exe
1376	iaccess32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2852 wrote to memory of 1376	2852	b7151cea85d3d3c3046a4a3fefc32089_JaffaCakes118.exe	30
PID 2852 wrote to memory of 1376	2852	b7151cea85d3d3c3046a4a3fefc32089_JaffaCakes118.exe	30
PID 2852 wrote to memory of 1376	2852	b7151cea85d3d3c3046a4a3fefc32089_JaffaCakes118.exe	30
PID 2852 wrote to memory of 1376	2852	b7151cea85d3d3c3046a4a3fefc32089_JaffaCakes118.exe	30
PID 1376 wrote to memory of 2828	1376	iaccess32.exe	31
PID 1376 wrote to memory of 2828	1376	iaccess32.exe	31
PID 1376 wrote to memory of 2828	1376	iaccess32.exe	31
PID 1376 wrote to memory of 2828	1376	iaccess32.exe	31
PID 1376 wrote to memory of 2208	1376	iaccess32.exe	32
PID 1376 wrote to memory of 2208	1376	iaccess32.exe	32
PID 1376 wrote to memory of 2208	1376	iaccess32.exe	32
PID 1376 wrote to memory of 2208	1376	iaccess32.exe	32
PID 1376 wrote to memory of 2208	1376	iaccess32.exe	32
PID 1376 wrote to memory of 2208	1376	iaccess32.exe	32
PID 1376 wrote to memory of 2208	1376	iaccess32.exe	32

C:\Users\Admin\AppData\Local\Temp\b7151cea85d3d3c3046a4a3fefc32089_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b7151cea85d3d3c3046a4a3fefc32089_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2852
- C:\Windows\iaccess32.exe
  C:\Windows\iaccess32.exe
  2⤵
  - Manipulates Digital Signatures
  - 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 Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1376
- - 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:2828
- - 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:2208

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\20110209110242\dialerexe.ini

Filesize
616B

MD5
45d00f4bfe6013b255846d48e203546d

SHA1
160a83f9137ba4a4fbfb3fee25ece132c2a395f2

SHA256
03dd6a56299592d7d4759053560dd94f932e66a4f6247ff2355a39a4dd2f0278

SHA512
2764d282fea41ac5fdee1a76567f0926dc919f3827e289c8c55f196eb61d04f0e9bf5da1ff6242389bc4563919ae16b6e923323725849ad36370639cb3ea5b9e

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

Filesize
2KB

MD5
b391262d85129c6dbc727710e86d4d81

SHA1
cd0218ec5557d569181140afcf9019c2667ee99b

SHA256
ce865a7de30f2711710356313fa40568c064b720c96a28712d570f8f6c559f8f

SHA512
1dde03ff7c8f93aff4deb1c951a544e0b7011275423622ea077bece4ad25d04366ca5fc1795457fe20794ee80318af6a39976b31950b418b27137cba2142424e

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
185KB

MD5
46dd92c42a55a213d7058983643b886a

SHA1
ab71f9fbcf9ca4086b7b82720992ec22eadfed1d

SHA256
4a3cc29a0c7dbfb6b0afa30bd5b3465441d18ef635f656b635e93ca5326dcb51

SHA512
ed3e2240ea716f9ea160ab76edb6da99e4cb6c388fc4f6ce3638182e4e33d7ebb12a09e9ab295425d43bbbf24ef7c8227847bedefcb54ad719e9a41a6656f8c3

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/1376-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1376-69-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2208-27-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2852-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2852-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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