771a12e2da0dbb1b2cf9b8f519319b97769e8dbb6be0f4bc043df705b8e84b7f

General

Target

217e50b0d7dc134c8b345d46303c505e_JaffaCakes118.exe
Size

123KB
MD5

217e50b0d7dc134c8b345d46303c505e
SHA1

dffbb4a5a8f17a6136d2841a0858ac09384e7a3a
SHA256

771a12e2da0dbb1b2cf9b8f519319b97769e8dbb6be0f4bc043df705b8e84b7f
SHA512

5159dbff294d989c48069c3aa9bd548f17bb07c5f0efde006ee0935920b08008ea4d1075664a700ed44c5afa808e6018eae213ca03599e7eed9428583ab23d48
SSDEEP

3072:NeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLsxGp:NVYrJrOSsRwcpmc

Score

8^/10

upx

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-1-5-21-4124900551-4068476067-3491212533-1000\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/0x000700000002340c-28.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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
4148	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
436	regsvr32.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1864-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000a000000021677-3.dat	upx
behavioral2/memory/4148-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1864-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000700000002340c-28.dat	upx
behavioral2/memory/4148-56-0x0000000000400000-0x000000000042E000-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\Center\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110209040231\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110209040231\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110209040231\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110209040231\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110209040231\medias\p2e_1_3.gif	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110209040231\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110209040231\medias\p2e.ico	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\20110209040231\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110209040231\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110209040231\instant access.exe	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\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	217e50b0d7dc134c8b345d46303c505e_JaffaCakes118.exe
File created	C:\Windows\tmlpcert2007	iaccess32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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
3460	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1864	217e50b0d7dc134c8b345d46303c505e_JaffaCakes118.exe
4148	iaccess32.exe
4148	iaccess32.exe
4148	iaccess32.exe
4148	iaccess32.exe
4148	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1864 wrote to memory of 4148	1864	217e50b0d7dc134c8b345d46303c505e_JaffaCakes118.exe	81
PID 1864 wrote to memory of 4148	1864	217e50b0d7dc134c8b345d46303c505e_JaffaCakes118.exe	81
PID 1864 wrote to memory of 4148	1864	217e50b0d7dc134c8b345d46303c505e_JaffaCakes118.exe	81
PID 4148 wrote to memory of 3460	4148	iaccess32.exe	82
PID 4148 wrote to memory of 3460	4148	iaccess32.exe	82
PID 4148 wrote to memory of 3460	4148	iaccess32.exe	82
PID 4148 wrote to memory of 436	4148	iaccess32.exe	83
PID 4148 wrote to memory of 436	4148	iaccess32.exe	83
PID 4148 wrote to memory of 436	4148	iaccess32.exe	83

C:\Users\Admin\AppData\Local\Temp\217e50b0d7dc134c8b345d46303c505e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\217e50b0d7dc134c8b345d46303c505e_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1864
- 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
  - Modifies data under HKEY_USERS
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4148
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - Runs regedit.exe
    PID:3460
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:436

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:4552

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

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
af8ce40a1e527d96b094d51034196807

SHA1
85f9852e50e7fa873bdb57cc46db244a6a03541b

SHA256
375857c49fdb199cd142a47c50f5ab2657c54ba3b393b588360d9a0ba1620622

SHA512
a18a950217ba5174e3513ed611420f63e58d62d6101625820fbfecbf366380971abfeea998f8cda3459c58f3306ce0dbab9bac6db7270bb770a4d6b78285631d

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20110209040231\dialerexe.ini

Filesize
682B

MD5
7b43b3d9afd5798f1054be4fd6395d2d

SHA1
0b8c970bba78fa108382d0c61521d2c44e0c4046

SHA256
7a5fde4e4a445c7ac5c50ec909ef293979758087fadb5b37057b4daa8cebdace

SHA512
ed84ae17e8f1d4c9e2f2eb430a1952e5585891a137d6b919e23f984e4845ba5493c7fcc3bdbc90ac10ec5c6c66458ee62688db018e8c3e70f1e3ac14e5153ef9

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
44968c5bbee4b084fa19b9560977287d

SHA1
6f4cb931aa1aeb42fa6b2fa414b33e6dbd28d362

SHA256
4da6e7c8c2bbff7f4f3833f8103bc7d28273d69a6ba2cf7a88e8730963059bcf

SHA512
3536330f6cba2b81ea32576c2e3126dde70b5904754518fe802ee4296e3f9b041831a2ec6444fd9eeab4fbadcb7e69e3d1ed1c1994a46f2e6e444fc5e20dae37

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/1864-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1864-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4148-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4148-56-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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