de39066361a9d61a8f449037b401e1daf0a305ad5cb567dec905aba88024f223

General

Target

b9e684b0102aaed07535a177812cdea7_JaffaCakes118.exe
Size

123KB
MD5

b9e684b0102aaed07535a177812cdea7
SHA1

49c7cea7796422fdc5952d2f90699003962a7b2f
SHA256

de39066361a9d61a8f449037b401e1daf0a305ad5cb567dec905aba88024f223
SHA512

dd3a265cadfbf6418193dd26dbc102a574a4e2a17add26316dae4470807913ce525f37201551815ba4de98e2383081551e7afb9a832d77e06ad3ca95172489ef
SSDEEP

3072:ueSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLSd+:uVYrJrOSsRwcp3

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-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\Trust Database\0\goicfboogidikkejccmclpieicihhlpo jimddp = "electronic-group"	iaccess32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\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/0x0006000000018bfc-30.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
2720	iaccess32.exe

Loads dropped DLL 3 IoCs

pid	Process
2548	regsvr32.exe
2720	iaccess32.exe
2720	iaccess32.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2632-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2720-9-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2632-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x0008000000012115-7.dat	upx
behavioral1/files/0x0006000000018bfc-30.dat	upx
behavioral1/memory/2548-40-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral1/memory/2720-73-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2720-88-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2720-89-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2720-90-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2720-91-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2720-92-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2720-93-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2720-95-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2720-96-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2720-97-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2720-98-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2720-99-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2720-100-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2720-101-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2720-102-0x0000000000400000-0x000000000042E000-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\20110120000112\dialerexe.ini	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110120000112\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\20110120000112\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120000112\instant access.exe	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120000112\medias\p2e.ico	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\20110120000112\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120000112\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120000112\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120000112\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120000112\medias\p2e_3_3.gif	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\iaccess32.exe	b9e684b0102aaed07535a177812cdea7_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	iaccess32.exe
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	b9e684b0102aaed07535a177812cdea7_JaffaCakes118.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\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
2888	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2632	b9e684b0102aaed07535a177812cdea7_JaffaCakes118.exe
2720	iaccess32.exe
2720	iaccess32.exe
2720	iaccess32.exe
2720	iaccess32.exe
2720	iaccess32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 2720	2632	b9e684b0102aaed07535a177812cdea7_JaffaCakes118.exe	30
PID 2632 wrote to memory of 2720	2632	b9e684b0102aaed07535a177812cdea7_JaffaCakes118.exe	30
PID 2632 wrote to memory of 2720	2632	b9e684b0102aaed07535a177812cdea7_JaffaCakes118.exe	30
PID 2632 wrote to memory of 2720	2632	b9e684b0102aaed07535a177812cdea7_JaffaCakes118.exe	30
PID 2720 wrote to memory of 2888	2720	iaccess32.exe	31
PID 2720 wrote to memory of 2888	2720	iaccess32.exe	31
PID 2720 wrote to memory of 2888	2720	iaccess32.exe	31
PID 2720 wrote to memory of 2888	2720	iaccess32.exe	31
PID 2720 wrote to memory of 2548	2720	iaccess32.exe	32
PID 2720 wrote to memory of 2548	2720	iaccess32.exe	32
PID 2720 wrote to memory of 2548	2720	iaccess32.exe	32
PID 2720 wrote to memory of 2548	2720	iaccess32.exe	32
PID 2720 wrote to memory of 2548	2720	iaccess32.exe	32
PID 2720 wrote to memory of 2548	2720	iaccess32.exe	32
PID 2720 wrote to memory of 2548	2720	iaccess32.exe	32

C:\Users\Admin\AppData\Local\Temp\b9e684b0102aaed07535a177812cdea7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b9e684b0102aaed07535a177812cdea7_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2632
- 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:2720
- - 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:2888
- - 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:2548

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\20110120000112\dialerexe.ini

Filesize
668B

MD5
8d7325bf3e90757b491381da7dc70ab8

SHA1
e50e576247a9f9748722e2e6cdb3d354da70b22b

SHA256
1dfaf9e59546276ddc7e2b0e3c94aabb2fffa86b3ef64d011fd7a8d34550790f

SHA512
37f954e5129c63499a85f8e3c76f279fa631b318d939a98fab212ba51c9dcdd61f091496b2699a0af1ce36294502a976ebd4ed473b257e8a92d70ebcc3a76426

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

Filesize
2KB

MD5
a8333df2252085ce8085b025955f3b42

SHA1
c86db41505355bf8410486cd1d30bb8d93878447

SHA256
3800704f4da7a70e4d2df2405efd2741edc32de36711a0e0a483ada1d8933c4f

SHA512
834e8ae3ff3011ab57305c558e28d27aab242f97c9875b9bf67389dd16d84ab7649c2ab9a2bfb4f14090a201134a459fdc1089a9c6e3e43fc36eb4ea76c15956

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
5bd6b52d515304545be952c5fa6d487b

SHA1
b20f65cf251861a8ba7b60ba76e845733edb796d

SHA256
8fe839ad6af2e9a90e14e0a3e937201c4ab8764235d14450abc7babc8d1f4fa2

SHA512
239d8f5b2f2f8c16bb0dd3a5ced9874a2768ad12d4aed5c3761cc93f102d059b4a46d59e93e69ce262da0c87bf79429714575fb2c4f16ddc0a88ae86256bf678

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/2548-40-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2632-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2632-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2720-87-0x0000000000570000-0x0000000000580000-memory.dmp

Filesize
64KB

Download
memory/2720-92-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2720-46-0x0000000000570000-0x0000000000580000-memory.dmp

Filesize
64KB

Download
memory/2720-73-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2720-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2720-88-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2720-89-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2720-90-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2720-91-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2720-57-0x0000000000570000-0x0000000000580000-memory.dmp

Filesize
64KB

Download
memory/2720-93-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2720-95-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2720-96-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2720-97-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2720-98-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2720-99-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2720-100-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2720-101-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2720-102-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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