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 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-1-5-21-1194130065-3471212556-1656947724-1000\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/0x0007000000023469-26.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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
740	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
220	regsvr32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4884-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/740-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000b000000023416-3.dat	upx
behavioral2/memory/4884-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0007000000023469-26.dat	upx
behavioral2/memory/220-28-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/memory/740-71-0x0000000000400000-0x000000000042E000-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_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110204080215\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110204080215\instant access.exe	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_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\medias\p2e.ico	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\DesktopIcons\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\Center\NOCREDITCARD.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	dc9350f5c054449dcc0188fc9f9dc6c4_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	dc9350f5c054449dcc0188fc9f9dc6c4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iaccess32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regedit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iaccess32.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\IESettingSync	iaccess32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	iaccess32.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	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
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
2252	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4884	dc9350f5c054449dcc0188fc9f9dc6c4_JaffaCakes118.exe
740	iaccess32.exe
740	iaccess32.exe
740	iaccess32.exe
740	iaccess32.exe
740	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4884 wrote to memory of 740	4884	dc9350f5c054449dcc0188fc9f9dc6c4_JaffaCakes118.exe	83
PID 4884 wrote to memory of 740	4884	dc9350f5c054449dcc0188fc9f9dc6c4_JaffaCakes118.exe	83
PID 4884 wrote to memory of 740	4884	dc9350f5c054449dcc0188fc9f9dc6c4_JaffaCakes118.exe	83
PID 740 wrote to memory of 2252	740	iaccess32.exe	84
PID 740 wrote to memory of 2252	740	iaccess32.exe	84
PID 740 wrote to memory of 2252	740	iaccess32.exe	84
PID 740 wrote to memory of 220	740	iaccess32.exe	85
PID 740 wrote to memory of 220	740	iaccess32.exe	85
PID 740 wrote to memory of 220	740	iaccess32.exe	85

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:4884
- 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
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Modifies data under HKEY_USERS
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:740
- - 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:2252
- - 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:220

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

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\DesktopIcons\NOCREDITCARD.lnk

Filesize
2KB

MD5
d68a01e1e1d9fba6d94019c45d478997

SHA1
76dbb52d0bd676a7e03c56f52902b4e3eb14151d

SHA256
7574f292c4a241637946b9e1631c854e5bf66b69b65b7fc204d4115fc5670b91

SHA512
e0d540d6379a67fb5b87ec581958365aee3bdbb3c31781bdf0dedca89a0ed3c05ea6763b932d6454474c6a84a133617ce30afff803c3626c792d919b4aa65da1

Download Submit
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:\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/220-28-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/740-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/740-71-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4884-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4884-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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