2415e20ee7045c6043f68db373bf908e08675964893c492ea04bdf46b943230b

General

Target

43a68fb8e8c7c4a8f8e2fcaff8097c06_JaffaCakes118.exe
Size

123KB
MD5

43a68fb8e8c7c4a8f8e2fcaff8097c06
SHA1

a793da239db3c15be14219c04e5b702a9974e27b
SHA256

2415e20ee7045c6043f68db373bf908e08675964893c492ea04bdf46b943230b
SHA512

8913821c66b421f513a9ae3ba0fc5bcadd013aa1e2e821215310b083a677abf9345e796083f66aa548d8b48b6d15de6b0bd235561dda1d8fc41c23b566c920cc
SSDEEP

3072:ueSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLo/baq:uVYrJrOSsRwcpebaq

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-1-5-21-701583114-2636601053-947405450-1000\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/0x00070000000234df-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-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
3540	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
3420	regsvr32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1044-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000900000002347c-3.dat	upx
behavioral2/memory/3540-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1044-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x00070000000234df-27.dat	upx
behavioral2/memory/3420-29-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/memory/3540-59-0x0000000000400000-0x000000000042E000-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\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\20110119100104\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110119100104\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110119100104\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110119100104\medias\p2e_go_3.gif	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110119100104\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\20110119100104\instant access.exe	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110119100104\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110119100104\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110119100104\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110119100104\medias\p2e_3_3.gif	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\egdhtm_pack.epk	iaccess32.exe
File created	C:\Windows\iaccess32.exe	43a68fb8e8c7c4a8f8e2fcaff8097c06_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

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Software\Microsoft\Internet Explorer\IESettingSync	iaccess32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	iaccess32.exe
Key created	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iaccess32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	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
3544	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1044	43a68fb8e8c7c4a8f8e2fcaff8097c06_JaffaCakes118.exe
3540	iaccess32.exe
3540	iaccess32.exe
3540	iaccess32.exe
3540	iaccess32.exe
3540	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 3540	1044	43a68fb8e8c7c4a8f8e2fcaff8097c06_JaffaCakes118.exe	84
PID 1044 wrote to memory of 3540	1044	43a68fb8e8c7c4a8f8e2fcaff8097c06_JaffaCakes118.exe	84
PID 1044 wrote to memory of 3540	1044	43a68fb8e8c7c4a8f8e2fcaff8097c06_JaffaCakes118.exe	84
PID 3540 wrote to memory of 3544	3540	iaccess32.exe	87
PID 3540 wrote to memory of 3544	3540	iaccess32.exe	87
PID 3540 wrote to memory of 3544	3540	iaccess32.exe	87
PID 3540 wrote to memory of 3420	3540	iaccess32.exe	88
PID 3540 wrote to memory of 3420	3540	iaccess32.exe	88
PID 3540 wrote to memory of 3420	3540	iaccess32.exe	88

C:\Users\Admin\AppData\Local\Temp\43a68fb8e8c7c4a8f8e2fcaff8097c06_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\43a68fb8e8c7c4a8f8e2fcaff8097c06_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1044
- 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 Internet Explorer settings
  - Modifies data under HKEY_USERS
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3540
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - Runs regedit.exe
    PID:3544
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:3420

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:3096

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk

Filesize
2KB

MD5
cec0b1230d4c6a061daeb5493333b99f

SHA1
1dd45c13c563b54ccbf1d3ccf3e99c49be5f2d04

SHA256
216dd7183389d299542269f6fc2ef87a7f87782cb075804aea098bdd10064ffa

SHA512
97c2de6e6362e4bc3a5da56bba09339f992cec3f89ef565bcc27a53245d4b91e373af13be1d6044121a18d264834acc1c3f6be9cebb3e9ed7a21c6fea2e964d2

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20110119100104\dialerexe.ini

Filesize
668B

MD5
6cd029ba19291b91eb0db4ef95b9dc06

SHA1
2319ca15f7ef8e48ddadd49a1106f8c2c5a40f25

SHA256
02e915d08eab689c59c537de0c449638c5c62501b7dfd6405041cf8324fd1d76

SHA512
9c566c15ab7c1cfeba11e45d56ef9e2a8ebd948d396aa190e43abe0440a4e9f2df9848a95ffc4ba65cad05ecedf1aa883ec2582f5992221182b8c1de3b391c4f

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
7c8a2615dd78a60b7d9c03dd56c08eae

SHA1
cc00888f18502ea086c4019c0f1c8aa5c2e568ab

SHA256
5e676e726518ac9614a3b9c5456b58083917ac6b0a704ac53b47793572a88ccc

SHA512
8abc14a334c415318beb4ac5d370b65270346206dacb31432c62e790b389eb1b1f841d552bc5431b1c034372c390645ec00edfc1f793af21f22c340f8dac349e

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/1044-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1044-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3420-29-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/3540-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3540-59-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing