bddd5e0f69e0207c7a9deb750ab0c1097e61f4da4beed1aa569156c7bd021ad7

General

Target

0ca4044e94b8487e7feb4fe8039c2f26_JaffaCakes118.exe
Size

123KB
MD5

0ca4044e94b8487e7feb4fe8039c2f26
SHA1

a00b6d3c4660d2b3c97e7f7bb8b50f23272e10ec
SHA256

bddd5e0f69e0207c7a9deb750ab0c1097e61f4da4beed1aa569156c7bd021ad7
SHA512

8fd6a037746a7f355589f6d9cabffa7cd9e19da0978901bee3c954e85eae65cf7e75562eed3511dc66ddd39c2c611ac813f0227877e54c2ae1e01cc8d472f70e
SSDEEP

3072:NeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLseHGxOdfkA:NVYrJrOSsRwcptHGusA

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/0x0007000000023400-27.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
4180	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
2128	regsvr32.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4532-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000700000002328e-3.dat	upx
behavioral2/memory/4532-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4180-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0007000000023400-27.dat	upx
behavioral2/memory/2128-29-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/memory/4180-55-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4180-61-0x0000000000400000-0x000000000042E000-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\20110130130107\instant access.exe	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\20110130130107\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110130130107\dialerexe.ini	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110130130107\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\20110130130107\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110130130107\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110130130107\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110130130107\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110130130107\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110130130107\medias\p2e_1_3.gif	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\iaccess32.exe	0ca4044e94b8487e7feb4fe8039c2f26_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

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}\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
2972	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4532	0ca4044e94b8487e7feb4fe8039c2f26_JaffaCakes118.exe
4180	iaccess32.exe
4180	iaccess32.exe
4180	iaccess32.exe
4180	iaccess32.exe
4180	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4532 wrote to memory of 4180	4532	0ca4044e94b8487e7feb4fe8039c2f26_JaffaCakes118.exe	80
PID 4532 wrote to memory of 4180	4532	0ca4044e94b8487e7feb4fe8039c2f26_JaffaCakes118.exe	80
PID 4532 wrote to memory of 4180	4532	0ca4044e94b8487e7feb4fe8039c2f26_JaffaCakes118.exe	80
PID 4180 wrote to memory of 2972	4180	iaccess32.exe	81
PID 4180 wrote to memory of 2972	4180	iaccess32.exe	81
PID 4180 wrote to memory of 2972	4180	iaccess32.exe	81
PID 4180 wrote to memory of 2128	4180	iaccess32.exe	82
PID 4180 wrote to memory of 2128	4180	iaccess32.exe	82
PID 4180 wrote to memory of 2128	4180	iaccess32.exe	82

C:\Users\Admin\AppData\Local\Temp\0ca4044e94b8487e7feb4fe8039c2f26_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0ca4044e94b8487e7feb4fe8039c2f26_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4532
- 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:4180
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - Runs regedit.exe
    PID:2972
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:2128

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:3208

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
386dc0f145c76b93f7cf859985755ea3

SHA1
8867dc0c01e05da744d34cc889b9cb2bb5a50941

SHA256
cefdd4dc451980d58300fab7c647fe0848b9cfabd80339d954957a0d00514437

SHA512
36fb1abde9d0831e0fdf0d21797f627343f03c98dcf7f82948d6393c839905430e0f2acdb238fb2d9c3df3216c80732601d63a5cb0bcbe51e460379bd696df6b

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20110130130107\dialerexe.ini

Filesize
668B

MD5
5aee5536dd1dcdc8f35af1aff5e66149

SHA1
d97de3e5b2bf32ace92dd729f2c8c48783adf88d

SHA256
ba81f92fa7c56b01a478ac9b0feecd451b7ef85cf4fac8a68d5d32f3ab5b0344

SHA512
9b455f61922b25107c16211f01e57a822898b63e8d9674664654acd340905793dd37822034e403d7963e17ab430bbd1aec664c756fdaa189cf028202735635eb

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
c02cfde3c1f1f7c3dc69f87112cea963

SHA1
4545e2d595c91e9f8bb6b62c33658158fc897d03

SHA256
b71db4181ca19ae8ba81f007465a824e0660e95d4a9957c8aed513881cac3aa6

SHA512
f0a8695d4e3389188985c78ef3e779cc153d129b41afb1d85d1d0385d1975ff442e46e013ec0ce91cd39ba0c28d8cdb1d9b6fcf2409178e13e2efa8e9b291b2b

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/2128-29-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4180-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4180-55-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4180-61-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4532-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4532-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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