fc7e392e8b7d8248a8c257673522e022bdcb00045d560e91a13fa09e80514e9c

General

Target

720efe653fa3776bb10c1581380343fb_JaffaCakes118.exe
Size

185KB
MD5

720efe653fa3776bb10c1581380343fb
SHA1

3081aa1f3b9ac6bf85e45d0b3455dffb8044e8e0
SHA256

fc7e392e8b7d8248a8c257673522e022bdcb00045d560e91a13fa09e80514e9c
SHA512

9c979ea604f4fdaa989d860f38a2e84ba47ad714223908ff88b9e8fce5fb24ae35699265b1b59d32c65371ac661ad353c81cae32242ef7bbea24fb371d0436ca
SSDEEP

3072:EamFnQYUM6m3SP2sVSdEnfWZN3cbgonk9sX1qalYuhLJNdjQVVTuP5J85Vi9iqVQ:Eazq3aipalYuhoao5sQkz31q

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-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\Trust Database\0\goicfboogidikkejccmclpieicihhlpo jimddp = "electronic-group"	iaccess32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\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/0x0006000000016d46-27.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
3032	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
2628	regsvr32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1292-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000a000000012031-6.dat	upx
behavioral1/memory/1292-10-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/3032-9-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x0006000000016d46-27.dat	upx
behavioral1/memory/2628-29-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral1/memory/3032-73-0x0000000000400000-0x000000000042E000-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 9 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Instant Access\Multi\20110206120220\js\js_api_dialer.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Center\Monjas Desnudas.lnk	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Center\Monjas Desnudas.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110206120220\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110206120220\medias\dialer.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110206120220\dialerexe.ini	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110206120220\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110206120220\instant access.exe	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\DesktopIcons\Monjas Desnudas.lnk	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
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
File created	C:\Windows\iaccess32.exe	720efe653fa3776bb10c1581380343fb_JaffaCakes118.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	720efe653fa3776bb10c1581380343fb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iaccess32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regedit.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iaccess32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iaccess32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\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
2632	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1292	720efe653fa3776bb10c1581380343fb_JaffaCakes118.exe
3032	iaccess32.exe
3032	iaccess32.exe
3032	iaccess32.exe
3032	iaccess32.exe
3032	iaccess32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 3032	1292	720efe653fa3776bb10c1581380343fb_JaffaCakes118.exe	28
PID 1292 wrote to memory of 3032	1292	720efe653fa3776bb10c1581380343fb_JaffaCakes118.exe	28
PID 1292 wrote to memory of 3032	1292	720efe653fa3776bb10c1581380343fb_JaffaCakes118.exe	28
PID 1292 wrote to memory of 3032	1292	720efe653fa3776bb10c1581380343fb_JaffaCakes118.exe	28
PID 3032 wrote to memory of 2632	3032	iaccess32.exe	29
PID 3032 wrote to memory of 2632	3032	iaccess32.exe	29
PID 3032 wrote to memory of 2632	3032	iaccess32.exe	29
PID 3032 wrote to memory of 2632	3032	iaccess32.exe	29
PID 3032 wrote to memory of 2628	3032	iaccess32.exe	30
PID 3032 wrote to memory of 2628	3032	iaccess32.exe	30
PID 3032 wrote to memory of 2628	3032	iaccess32.exe	30
PID 3032 wrote to memory of 2628	3032	iaccess32.exe	30
PID 3032 wrote to memory of 2628	3032	iaccess32.exe	30
PID 3032 wrote to memory of 2628	3032	iaccess32.exe	30
PID 3032 wrote to memory of 2628	3032	iaccess32.exe	30

C:\Users\Admin\AppData\Local\Temp\720efe653fa3776bb10c1581380343fb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\720efe653fa3776bb10c1581380343fb_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Windows\iaccess32.exe
  C:\Windows\iaccess32.exe
  2⤵
  - Manipulates Digital Signatures
  - Executes dropped EXE
  - 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:3032
- - 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:2632
- - 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:2628

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\20110206120220\dialerexe.ini

Filesize
619B

MD5
4595bb2b6320e92badd7763911bff119

SHA1
7ac0ce1fcb61ba6e5b6012234b32259f445a6591

SHA256
68a34c02e0b0426998ee15e0c20797144d256e31a48397604f98bcf07e5d02de

SHA512
eac8411f2b4aca4ef3eecf75c62f4277269b69ffd6fab9b1b76321dfe8350ff61b567ebc3b5d0fbe4588aebb93b1e10db716f5d7eb7239c06f4005503bcb63ff

Download Submit
C:\Users\Public\Desktop\Monjas Desnudas.lnk

Filesize
2KB

MD5
bfd082ab27608ce8dbfee33695b32a23

SHA1
b221afbfe48a46680455102d54b69850a8133fcd

SHA256
4d2c6c2a8c6297bf971578eb88685fbb80950a9fd3549b31aba840d531f85c75

SHA512
eea6c7a9b740abb4c3be6d7033832a62f6faa9a9c947a7f5400296cfba16cdeb9821a1a9f9a1b034ad0b508263c98a6efd66b05e5ccffb11944cb638f60a146d

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
185KB

MD5
e7c770a79c1e8099095297c9c5b298d2

SHA1
9bc079834811f3c3ff62d541afd53ab09bd62db1

SHA256
96a36fffd1a07def7be8fef325a14fd0af6962adf27de14ae4836acb3c280aff

SHA512
d314e1b74a6cbee565db389138cfcbbb341effc6ad06e860d5478438bd431be29bb07403e53f2773b9d38e10ea3e9a4b6a655b76e10e94deb6f9509831264426

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/1292-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1292-10-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1292-8-0x0000000000830000-0x000000000085E000-memory.dmp

Filesize
184KB

Download
memory/1292-7-0x0000000000830000-0x000000000085E000-memory.dmp

Filesize
184KB

Download
memory/2628-29-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/3032-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3032-73-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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