b690421a9016cdfdd7b46dc7cfd7e5cb2296649226715f5a2a27fa2fa4a3c064

General

Target

afbf239063d3054ac511d53e7de9a057_JaffaCakes118.exe
Size

183KB
MD5

afbf239063d3054ac511d53e7de9a057
SHA1

9144b5ff9a6a298664ac8c98fd65d4e0ebac0f36
SHA256

b690421a9016cdfdd7b46dc7cfd7e5cb2296649226715f5a2a27fa2fa4a3c064
SHA512

64efb51d05611f20ca6e690bceff12f396ddbe3ee2e73bc8ac5c8aeed7223b1a74e383f09bcf88633252e0e986a88d1426a1da025edc25a3e4d425b700825b2b
SSDEEP

3072:EamFnQYUM6m3SP2sVSdEnfWZN3cbgonk9sX1qalYuhLJNdjQVVTuP5J85Vi9iqVM:Eazq3aipalYuhoao5sQkzWZR5

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-1-5-21-523280732-2327480845-3730041215-1000\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/0x0007000000023494-26.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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
4588	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
3148	regsvr32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3484-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4588-5-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000800000002347e-4.dat	upx
behavioral2/memory/3484-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0007000000023494-26.dat	upx
behavioral2/memory/3148-28-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/memory/4588-56-0x0000000000400000-0x000000000042E000-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\20110205070223\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110205070223\medias\p2e_go_3.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\20110205070223\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110205070223\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110205070223\instant access.exe	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110205070223\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110205070223\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110205070223\dialerexe.ini	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110205070223\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\20110205070223\medias\p2e_logo_2.gif	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
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
File created	C:\Windows\iaccess32.exe	afbf239063d3054ac511d53e7de9a057_JaffaCakes118.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	afbf239063d3054ac511d53e7de9a057_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
4592	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3484	afbf239063d3054ac511d53e7de9a057_JaffaCakes118.exe
4588	iaccess32.exe
4588	iaccess32.exe
4588	iaccess32.exe
4588	iaccess32.exe
4588	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3484 wrote to memory of 4588	3484	afbf239063d3054ac511d53e7de9a057_JaffaCakes118.exe	84
PID 3484 wrote to memory of 4588	3484	afbf239063d3054ac511d53e7de9a057_JaffaCakes118.exe	84
PID 3484 wrote to memory of 4588	3484	afbf239063d3054ac511d53e7de9a057_JaffaCakes118.exe	84
PID 4588 wrote to memory of 4592	4588	iaccess32.exe	86
PID 4588 wrote to memory of 4592	4588	iaccess32.exe	86
PID 4588 wrote to memory of 4592	4588	iaccess32.exe	86
PID 4588 wrote to memory of 3148	4588	iaccess32.exe	87
PID 4588 wrote to memory of 3148	4588	iaccess32.exe	87
PID 4588 wrote to memory of 3148	4588	iaccess32.exe	87

C:\Users\Admin\AppData\Local\Temp\afbf239063d3054ac511d53e7de9a057_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\afbf239063d3054ac511d53e7de9a057_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3484
- 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:4588
- - 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:4592
- - 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:3148

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:5052

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\20110205070223\dialerexe.ini

Filesize
676B

MD5
4fa5266241a8f8bf5f4fe4780c1d588d

SHA1
d6faf70031bf7a7481378f8dab17f63e09fa84d4

SHA256
dd96891e5e1ce4e2975ceba045c985386f7e4fa8224ec04dd330ab6864a8eea4

SHA512
257127b9d05f5740f09919960650ed240cc7a076d41a52aa8894a9e64ee87053f6835cc81f8d0d23171cfe01e71459d2989cec912a6cdafb1620e53da2b4296d

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

Filesize
2KB

MD5
6b5c44e8ea0811a21a1d64677f36b442

SHA1
0597c172d20a47771ca7533829a9f7c819ab6fd6

SHA256
20ca91dd3340ae0ddf4e2f08755fc55deba723f9f8af6bf73a1b0681a3def163

SHA512
3c9e5b24650c4451213e0166ecef0177f8cd705872966dfc2c0dd3023aa24852d2b6ca141e284e3eeaf4834b9fbc1eed643ac71a407fdb882410be1be71232a6

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

Filesize
2KB

MD5
7757baae1610c63efc2c91a4c7ca12b0

SHA1
65ccb629aa33872fa744babb0ae893f31611d95e

SHA256
48bd9aba47e9c3c689b3694a9f6a01be2be8bfad1d76014d53f682ed80998629

SHA512
fbe061f2b8ae850fb0606934c2af7062988b88fc50e3e493e08e3804448b69ca8b87a21dc5fb5fbc8519656a77e6efd8eda71410db017de7a58892ced7fe6dab

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
59225ebfc7ccb7d470f82e973db87f86

SHA1
ebd0e312dd2b5329a40c2dfa9defd0928b051860

SHA256
be344a0d7af023045199b16c75b8a29eece5348c9fb4a980d9e945caa74c8c35

SHA512
8cd486a5bfc7191126cc23d26facd7df9084cad002ce35dc18a2bb9ff23c2ed91764aa10766a20cbe41fdd5cc05a0d1f217fb634b209924c48b1837ca00c3694

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/3148-28-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/3484-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3484-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4588-5-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4588-56-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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