51562a917a02c13a67e36f1ff8c288ef9ab24332c5fd7a0996f07555595cb617

General

Target

ac73857419566b8c73bebf9504807cfd_JaffaCakes118.exe
Size

183KB
MD5

ac73857419566b8c73bebf9504807cfd
SHA1

7b213c2d78fe08babab7aec29ebf0c6422196d30
SHA256

51562a917a02c13a67e36f1ff8c288ef9ab24332c5fd7a0996f07555595cb617
SHA512

c49ee033552e8264eabaaebc113f2c03742ca8bab381893025fab3aa397827129d3e6b9c5e57d4171f685b898b3627aae5100f7f0327b4f509fcd17bf8a950f1
SSDEEP

3072:EamFnQYUM6m3SP2sVSdEnfWZN3cbgonk9sX1qalYuhLJNdjQVVTuP5J85Vi9iqVT:Eazq3aipalYuhoao5sQkzK+H

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-1-5-21-355097885-2402257403-2971294179-1000\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/0x00070000000234c4-26.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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
2376	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
2496	regsvr32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3000-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000a00000002346c-2.dat	upx
behavioral2/memory/2376-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3000-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x00070000000234c4-26.dat	upx
behavioral2/memory/2496-28-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/memory/2376-58-0x0000000000400000-0x000000000042E000-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\20110123190120\instant access.exe	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110123190120\medias\p2e_1_3.gif	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110123190120\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110123190120\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110123190120\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110123190120\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110123190120\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110123190120\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110123190120\dialerexe.ini	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\20110123190120\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\iaccess32.exe	ac73857419566b8c73bebf9504807cfd_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	regedit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ac73857419566b8c73bebf9504807cfd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iaccess32.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iaccess32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iaccess32.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Internet Explorer\IESettingSync	iaccess32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	iaccess32.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
1532	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3000	ac73857419566b8c73bebf9504807cfd_JaffaCakes118.exe
2376	iaccess32.exe
2376	iaccess32.exe
2376	iaccess32.exe
2376	iaccess32.exe
2376	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 2376	3000	ac73857419566b8c73bebf9504807cfd_JaffaCakes118.exe	84
PID 3000 wrote to memory of 2376	3000	ac73857419566b8c73bebf9504807cfd_JaffaCakes118.exe	84
PID 3000 wrote to memory of 2376	3000	ac73857419566b8c73bebf9504807cfd_JaffaCakes118.exe	84
PID 2376 wrote to memory of 1532	2376	iaccess32.exe	86
PID 2376 wrote to memory of 1532	2376	iaccess32.exe	86
PID 2376 wrote to memory of 1532	2376	iaccess32.exe	86
PID 2376 wrote to memory of 2496	2376	iaccess32.exe	87
PID 2376 wrote to memory of 2496	2376	iaccess32.exe	87
PID 2376 wrote to memory of 2496	2376	iaccess32.exe	87

C:\Users\Admin\AppData\Local\Temp\ac73857419566b8c73bebf9504807cfd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ac73857419566b8c73bebf9504807cfd_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3000
- 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 Internet Explorer settings
  - Modifies data under HKEY_USERS
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2376
- - 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:1532
- - 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:2496

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:2956

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

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\DesktopIcons\NOCREDITCARD.lnk

Filesize
2KB

MD5
1886a9e765a38f04eefb2cc3a2f38ad4

SHA1
a04ae3d89b3b22f18d949dfeec8137d3856bf637

SHA256
79de2d4bd5a1d9146d7c5f7379b666dfc1725a3d61bdbdf2523b9840d745b3dd

SHA512
22d38f9f73ad99dd59f28acd0b9cfe36a377e724afdf65bc4f60e28a9946e7ad2d1137d113814b5ae794f32806db48e9899330951688c5ad453fb348d1ca0d16

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20110123190120\dialerexe.ini

Filesize
603B

MD5
f6acf731263589e555a1a105dec01f44

SHA1
f0e329b647e43b6921a47f00e43be884bc9ede91

SHA256
3482d2b14a00a6f9574c0e607dea77d8e3df8cf90a61626d6b17637976650a15

SHA512
fca90de5a29819c71e31bfccebea1857f026b5705a3878b1e5aefbfaa6e46a8366e918685714e7a9cb2a6198c785c968b8267e15a9403d540a0a994a645f1338

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
e679c26b10afbc143a199bf3b82aedac

SHA1
c4564e4d85d5df97f70106882abff5f584f74033

SHA256
b0e3c398979c5a5cad6b29af8ea1b62d3b818fe169f70416f88b66b972a4a0e3

SHA512
0b7203205647036fd2277ef4800f07ecf47ba9617e38ed773849bb3648b01b8e86913b9fc4bba982bf68b03217b839942d4b7fba1bea122a6af53b713284345c

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/2376-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2376-58-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2496-28-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/3000-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3000-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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