2a4541bd4110316a4b52613c7f769304e166bb3238e2542713e208b5c6d4d6d9

General

Target

0d88512a8b53aa8900c95ed78b0577ab_JaffaCakes118.exe
Size

123KB
MD5

0d88512a8b53aa8900c95ed78b0577ab
SHA1

ac6587445615ec8df285725997fdf71fd8c33923
SHA256

2a4541bd4110316a4b52613c7f769304e166bb3238e2542713e208b5c6d4d6d9
SHA512

75a0edaf5c58d140443ecd24568edf99cbb21dd311240e7a2c480edf030ee1d19df324ff2a89cd2f20b85fe390f77c2eecb502b6ed6aaaa27e6dd367bbef2637
SSDEEP

3072:NeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLs1r:NVYrJrOSsRwcpKr

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-1-5-21-1337824034-2731376981-3755436523-1000\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/0x0007000000023422-27.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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
1604	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
4492	regsvr32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/792-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0008000000022f51-3.dat	upx
behavioral2/memory/792-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1604-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0007000000023422-27.dat	upx
behavioral2/memory/4492-29-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/memory/1604-72-0x0000000000400000-0x000000000042E000-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\20110202200243\medias\p2e_logo_2.gif	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\20110202200243\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110202200243\medias\p2e.ico	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110202200243\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110202200243\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110202200243\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110202200243\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110202200243\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110202200243\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\Multi\20110202200243\medias\p2e_1_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	0d88512a8b53aa8900c95ed78b0577ab_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
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iaccess32.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\IESettingSync	iaccess32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	iaccess32.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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
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
4860	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
792	0d88512a8b53aa8900c95ed78b0577ab_JaffaCakes118.exe
1604	iaccess32.exe
1604	iaccess32.exe
1604	iaccess32.exe
1604	iaccess32.exe
1604	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 792 wrote to memory of 1604	792	0d88512a8b53aa8900c95ed78b0577ab_JaffaCakes118.exe	81
PID 792 wrote to memory of 1604	792	0d88512a8b53aa8900c95ed78b0577ab_JaffaCakes118.exe	81
PID 792 wrote to memory of 1604	792	0d88512a8b53aa8900c95ed78b0577ab_JaffaCakes118.exe	81
PID 1604 wrote to memory of 4860	1604	iaccess32.exe	82
PID 1604 wrote to memory of 4860	1604	iaccess32.exe	82
PID 1604 wrote to memory of 4860	1604	iaccess32.exe	82
PID 1604 wrote to memory of 4492	1604	iaccess32.exe	83
PID 1604 wrote to memory of 4492	1604	iaccess32.exe	83
PID 1604 wrote to memory of 4492	1604	iaccess32.exe	83

C:\Users\Admin\AppData\Local\Temp\0d88512a8b53aa8900c95ed78b0577ab_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0d88512a8b53aa8900c95ed78b0577ab_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:792
- 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:1604
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - Runs regedit.exe
    PID:4860
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:4492

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

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Downloads

C:\Program Files (x86)\Instant Access\Multi\20110202200243\Common\module.php

Filesize
5KB

MD5
7d3caef748875824984369fe7c83a3c5

SHA1
e69b2028a6de495a5cfd65c3d54c61563bb2a323

SHA256
2f68acffdce89cfdd5729e34474392d6ed57e5db6e82fbbbb0085b2480d01d88

SHA512
f6fa76bad50a195ffc312816b9fafea3c283607cacc03874cbff649c4a0e4b36d53f531ff1a3c8eb4dd32bbd6956ec065224633f226b9ef66c44a2586e7ef383

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20110202200243\dialerexe.ini

Filesize
625B

MD5
3b9a733cafd9a27e9c2504aaee58f9e0

SHA1
e305e599b5ca7909fb4cdac0c68cd3c46d2eb692

SHA256
3552590a3453cd0af63809bd6a711cb801c13c58f6bb2cde6d4cf03fdbbe06cc

SHA512
6e5979d3c7ae38e3d41be50c988cd12565c54ed798e819b6e898821a6efb8a4b161fcb2b1a1eb2511d3bcb8438a887b0cf4b1bbebb4ad38d53415f0cde032141

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20110202200243\medias\p2e.ico

Filesize
766B

MD5
d458cbc6440e490ab1b175806b3f6aa3

SHA1
e2a30e34b9dea7b0fbe30b5bac7f26932cda12dc

SHA256
218eef51d18305b76ba38b8f3db2cf04d085d69b93dbd37a5fa62579b5c46197

SHA512
3138f2cd5e6e1e63feb2e5f00a75b7d2490df4eeeef1a5e4c5e7161253969c1136fe16f914e1daf0320649a4934c670eafb5cdc5b2cc542bc8290361cb4dcadb

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\NOCREDITCARD.lnk

Filesize
2KB

MD5
c20e7338dcc782fdc10a843d0c0ef59d

SHA1
188d9ea54f790b288b391c151d8356c5bf5a57be

SHA256
f501ae7891679b3c88db679f74406bae84e057bc2e90e9ed480bf0d836a0a2fe

SHA512
c0322a509a9dba0f18e5e7f1475c14914cadbdd161fd7810623ea34989145c4ecc57e02a0593e1d119a2a45d28f6aaa645a504e535ebe97a61426839d4f92bb5

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

Filesize
2KB

MD5
47f2a29d29ffb8a56906425ca835abe5

SHA1
06ed5a53de627c6f4137ea46e5d4dd3946fd7e38

SHA256
6a15b0165f941096e796753f3296d10c22d63414d756004db64e5a1d9f894489

SHA512
c480b4bbba08b49bf51503cb2e4b1531d4b2ae1e8cc33aee21a677e26f774cc7d076b0ecd8c5ffe42d2843492f68b8dc44622454fb62dc7fdd7be750cab90aa1

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
4cfcad05de6bb74f9748d0e282825ef0

SHA1
043d89ad1cb380f8f62bacb4e33ba032be9c9e4c

SHA256
d2fe838245a1338c1b1d9cbcc81b59deb9579a0d6960d80c60b5b2b9e6d7b123

SHA512
ffd70bef2e42a5e4fd8306977f458301e0427f9d18d82746f4a274142de0906738c3372044582ad883144c2dda62a86246e505a8d188c2f34523cda71a6b2cb3

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/792-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/792-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1604-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1604-72-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4492-29-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

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