f2c278dd3ccc5e96831315667783264fc06b7dccd079121e7fa237ec20486b76

General

Target

b409589a74eaacc5bb6861e88a7d390e_JaffaCakes118.exe
Size

123KB
MD5

b409589a74eaacc5bb6861e88a7d390e
SHA1

03bc0ba405adbc7a04b6449ee1f2233084b579c5
SHA256

f2c278dd3ccc5e96831315667783264fc06b7dccd079121e7fa237ec20486b76
SHA512

77aefccb9d809c71e9f7575a92f23c562148f6959ae17301c9d4910040889c406db83075387d244fafeb8143e1e424e39b29cb34edf3e76a6807d88526036d69
SSDEEP

3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLL8QI5u:OVYrJrOSsRwcpCA

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-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\Trust Database\0\goicfboogidikkejccmclpieicihhlpo jimddp = "electronic-group"	iaccess32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\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/0x0005000000019fdf-30.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
2760	iaccess32.exe

Loads dropped DLL 3 IoCs

pid	Process
2968	regsvr32.exe
2760	iaccess32.exe
2760	iaccess32.exe

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1792-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1792-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2760-9-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x00090000000120f8-8.dat	upx
behavioral1/files/0x0005000000019fdf-30.dat	upx
behavioral1/memory/2968-32-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral1/memory/2760-45-0x00000000026E0000-0x00000000026F0000-memory.dmp	upx
behavioral1/memory/2760-85-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2760-87-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2760-88-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2760-89-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2760-90-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2760-91-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2760-92-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2760-94-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2760-95-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2760-96-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2760-97-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2760-98-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2760-99-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2760-100-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2760-101-0x0000000000400000-0x000000000042E000-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\20100625060626\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100625060626\medias\p2e_3_3.gif	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 opened for modification	C:\Program Files (x86)\Instant Access\Multi\20100625060626\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\20100625060626\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100625060626\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100625060626\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100625060626\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100625060626\instant access.exe	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100625060626\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100625060626\dialerexe.ini	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\iaccess32.exe	b409589a74eaacc5bb6861e88a7d390e_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	b409589a74eaacc5bb6861e88a7d390e_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 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\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}\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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{413E282B-C32A-4717-A0F3-4F2E6FE25F83}	regsvr32.exe

Runs regedit.exe 1 IoCs

pid	Process
2840	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1792	b409589a74eaacc5bb6861e88a7d390e_JaffaCakes118.exe
2760	iaccess32.exe
2760	iaccess32.exe
2760	iaccess32.exe
2760	iaccess32.exe
2760	iaccess32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 2760	1792	b409589a74eaacc5bb6861e88a7d390e_JaffaCakes118.exe	31
PID 1792 wrote to memory of 2760	1792	b409589a74eaacc5bb6861e88a7d390e_JaffaCakes118.exe	31
PID 1792 wrote to memory of 2760	1792	b409589a74eaacc5bb6861e88a7d390e_JaffaCakes118.exe	31
PID 1792 wrote to memory of 2760	1792	b409589a74eaacc5bb6861e88a7d390e_JaffaCakes118.exe	31
PID 2760 wrote to memory of 2840	2760	iaccess32.exe	32
PID 2760 wrote to memory of 2840	2760	iaccess32.exe	32
PID 2760 wrote to memory of 2840	2760	iaccess32.exe	32
PID 2760 wrote to memory of 2840	2760	iaccess32.exe	32
PID 2760 wrote to memory of 2968	2760	iaccess32.exe	33
PID 2760 wrote to memory of 2968	2760	iaccess32.exe	33
PID 2760 wrote to memory of 2968	2760	iaccess32.exe	33
PID 2760 wrote to memory of 2968	2760	iaccess32.exe	33
PID 2760 wrote to memory of 2968	2760	iaccess32.exe	33
PID 2760 wrote to memory of 2968	2760	iaccess32.exe	33
PID 2760 wrote to memory of 2968	2760	iaccess32.exe	33

C:\Users\Admin\AppData\Local\Temp\b409589a74eaacc5bb6861e88a7d390e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b409589a74eaacc5bb6861e88a7d390e_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1792
- 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:2760
- - 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:2840
- - 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:2968

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\20100625060626\dialerexe.ini

Filesize
587B

MD5
3e25d895bfdf64278b5245b0088965d9

SHA1
5e425257685dae114af1f63d0e75acec658f1fa6

SHA256
31ec6e6c29e772371b34642ab7a5f59d8f23761d2980b9aa7fd7a619c95025a8

SHA512
5419f912af6c87ea69d3a27d819e24d7c51c03d173604c8118ffb2660943bef40ffd6fd37aa81a24d69cf2ba34846e83d86d747bff1fb9f30ad4f90e1d95dbdf

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

Filesize
2KB

MD5
2588e6cc325652d3667729073d6df295

SHA1
96741f924d014c2e1c4beb163c437947a0530c99

SHA256
5f83798da865f9c619513e5203f0ff2a2a26edb340e2ac022e02eacaae1bf23f

SHA512
1fce17a916aa9e37cf576175c5ad3ba9d5787f82c0c83abd2755121341ca6d4c2ab6c8ff614f85a6ddd501c42f287346972ddc6edd36908c3a5a5463f6662bc3

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
49fd3a29c05e285f675eff7e6b6d12f1

SHA1
939fce3524e481f0c8ee77aa400f4578398bfd31

SHA256
9e458a740c5a1808b52e0ccb975257e432fa2b762cbbc4b8330b49cc08e58ee7

SHA512
8b75b94a8ed137e8f37d2b9fb235332f8d92f769a7172d9542d820485a56f4dfc90a8511f7d0b9d79b46faf55dd03a6e49df29fa425576a0a54dc1673fc257e5

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/1792-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1792-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2760-92-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2760-90-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2760-54-0x00000000026E0000-0x00000000026F0000-memory.dmp

Filesize
64KB

Download
memory/2760-101-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2760-85-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2760-86-0x00000000026E0000-0x00000000026F0000-memory.dmp

Filesize
64KB

Download
memory/2760-87-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2760-88-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2760-89-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2760-45-0x00000000026E0000-0x00000000026F0000-memory.dmp

Filesize
64KB

Download
memory/2760-91-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2760-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2760-94-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2760-95-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2760-96-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2760-97-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2760-98-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2760-99-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2760-100-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2968-32-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

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