31b0327f43377f901271111f15b2f2d2d86f91d54f7255ea27c8157a82e9a2e2

General

Target

dc9350f5c054449dcc0188fc9f9dc6c4_JaffaCakes118.exe
Size

183KB
MD5

dc9350f5c054449dcc0188fc9f9dc6c4
SHA1

23807879e4d1ace2728493e6ee7304142119c87b
SHA256

31b0327f43377f901271111f15b2f2d2d86f91d54f7255ea27c8157a82e9a2e2
SHA512

acedf4e67323ac2518a59a12bed77597f69f7de02acf7635491810c85f5697af97c794ac2d0a88bae64a3d97a696d807f7c0aa791fb488b809adbd30e4b03916
SSDEEP

3072:EamFnQYUM6m3SP2sVSdEnfWZN3cbgonk9sX1qalYuhLJNdjQVVTuP5J85Vi9iqV5:Eazq3aipalYuhoao5sQkziTg

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\Trust Database\0\goicfboogidikkejccmclpieicihhlpo jimddp = "electronic-group"	iaccess32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\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/0x0005000000019259-29.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
3004	iaccess32.exe

Loads dropped DLL 3 IoCs

pid	Process
2928	regsvr32.exe
3004	iaccess32.exe
3004	iaccess32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1480-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1480-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/3004-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x0009000000012281-7.dat	upx
behavioral1/files/0x0005000000019259-29.dat	upx
behavioral1/memory/2928-31-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral1/memory/3004-85-0x0000000000400000-0x000000000042E000-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\20110204080215\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110204080215\instant access.exe	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 created	C:\Program Files (x86)\Instant Access\Multi\20110204080215\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110204080215\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110204080215\medias\p2e_2_3.gif	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110204080215\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\20110204080215\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110204080215\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110204080215\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110204080215\dialerexe.ini	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\dialerexe.ini	iaccess32.exe
File created	C:\Windows\egdhtm_pack.epk	iaccess32.exe
File created	C:\Windows\iaccess32.exe	dc9350f5c054449dcc0188fc9f9dc6c4_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

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	regedit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dc9350f5c054449dcc0188fc9f9dc6c4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iaccess32.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main	iaccess32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iaccess32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iaccess32.exe

Modifies registry class 4 IoCs

description	ioc	Process
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
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

Runs regedit.exe 1 IoCs

pid	Process
2156	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1480	dc9350f5c054449dcc0188fc9f9dc6c4_JaffaCakes118.exe
3004	iaccess32.exe
3004	iaccess32.exe
3004	iaccess32.exe
3004	iaccess32.exe
3004	iaccess32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1480 wrote to memory of 3004	1480	dc9350f5c054449dcc0188fc9f9dc6c4_JaffaCakes118.exe	30
PID 1480 wrote to memory of 3004	1480	dc9350f5c054449dcc0188fc9f9dc6c4_JaffaCakes118.exe	30
PID 1480 wrote to memory of 3004	1480	dc9350f5c054449dcc0188fc9f9dc6c4_JaffaCakes118.exe	30
PID 1480 wrote to memory of 3004	1480	dc9350f5c054449dcc0188fc9f9dc6c4_JaffaCakes118.exe	30
PID 3004 wrote to memory of 2156	3004	iaccess32.exe	31
PID 3004 wrote to memory of 2156	3004	iaccess32.exe	31
PID 3004 wrote to memory of 2156	3004	iaccess32.exe	31
PID 3004 wrote to memory of 2156	3004	iaccess32.exe	31
PID 3004 wrote to memory of 2928	3004	iaccess32.exe	32
PID 3004 wrote to memory of 2928	3004	iaccess32.exe	32
PID 3004 wrote to memory of 2928	3004	iaccess32.exe	32
PID 3004 wrote to memory of 2928	3004	iaccess32.exe	32
PID 3004 wrote to memory of 2928	3004	iaccess32.exe	32
PID 3004 wrote to memory of 2928	3004	iaccess32.exe	32
PID 3004 wrote to memory of 2928	3004	iaccess32.exe	32

C:\Users\Admin\AppData\Local\Temp\dc9350f5c054449dcc0188fc9f9dc6c4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dc9350f5c054449dcc0188fc9f9dc6c4_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1480
- 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:3004
- - 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:2156
- - 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:2928

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\20110204080215\Common\module.php

Filesize
5KB

MD5
62040e83586791ef7e8d8fa75535b08a

SHA1
a7e8be222bfa632cb3f7907e735821091d6aaeff

SHA256
c7b314c2ae7d4b9f22730fa33a17659527d890d5a2e3ee25d264ef6c7f169f3b

SHA512
ebec3cbc76a669348532c06e520a10bdef59420a5087fadc587c23564835751595a5a27db7270ae6a87a3efe274e6a41abc481dea45ab1380524ea1fe20f93c2

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20110204080215\dialerexe.ini

Filesize
694B

MD5
1b3a2a8e7618b2a54f7596a2afa109f7

SHA1
86056c00bf5d6b8fdde005f16f9ce15a69bad037

SHA256
74a49b5c6de1748302ce4129785567146fb7d242e1a37a5a96f3cfd163b040d5

SHA512
6b753bd44d0a213b3fdd0d3f554878bf9fd4aefafaa8ae4fc49d2b0511b27393afb8ec5f19d8c9b564ad1507f9b9434bd6f1b328eb9b6550ea6726f11da33925

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20110204080215\medias\p2e.ico

Filesize
766B

MD5
d458cbc6440e490ab1b175806b3f6aa3

SHA1
e2a30e34b9dea7b0fbe30b5bac7f26932cda12dc

SHA256
218eef51d18305b76ba38b8f3db2cf04d085d69b93dbd37a5fa62579b5c46197

SHA512
3138f2cd5e6e1e63feb2e5f00a75b7d2490df4eeeef1a5e4c5e7161253969c1136fe16f914e1daf0320649a4934c670eafb5cdc5b2cc542bc8290361cb4dcadb

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

Filesize
2KB

MD5
2f3cfe6ae33dbd53961041f156b05946

SHA1
031631a98b3e19113f92b6269547c2e7e510ed86

SHA256
38c6c161608e036fd17ed452b99209446adac4b9bd8fac36c8d7c529fdb9dc05

SHA512
1bf81711b1e624da7621fe860af3f344cda005649c4a2367168940108bf09adea839f757560cf77eedb0a3a375a7271b5c2102960c69bb30a63ac09303235283

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
183KB

MD5
5e32f0eaaeabe2fae36a7ed85c4a440f

SHA1
5e7d30345a15b015d4fae33556e84726963beba1

SHA256
976bd60919ff0e7056f1865afb00de108914f510a2b422a858abc828da2d4e07

SHA512
e9f4e3746207d41c3212a94527afa32490860def17116989ca120de42aafdfb4ab638c0f6115bb32e4268e08d505a46344419b17822b1448eec54efcf3315ef5

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/1480-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1480-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2928-31-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/3004-54-0x0000000000510000-0x0000000000520000-memory.dmp

Filesize
64KB

Download
memory/3004-48-0x0000000000510000-0x0000000000520000-memory.dmp

Filesize
64KB

Download
memory/3004-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3004-85-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3004-86-0x0000000000510000-0x0000000000520000-memory.dmp

Filesize
64KB

Download
memory/3004-87-0x0000000000510000-0x0000000000520000-memory.dmp

Filesize
64KB

Download

Analysis

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