95e6765b342befa7b004f6fdfa19df365390b99fabe6e830b9d1d6ae00c41ac7

General

Target

ea74677605dfadc51f596744ac0b3a8c_JaffaCakes118.exe
Size

123KB
MD5

ea74677605dfadc51f596744ac0b3a8c
SHA1

632b148520a779692de282362e84db139264efa3
SHA256

95e6765b342befa7b004f6fdfa19df365390b99fabe6e830b9d1d6ae00c41ac7
SHA512

1127499ac031a4dd6015b09762b250b814e778c0c4932df45b211e2aeacfa7152841f2412aab913f0935ee92298ff4bf5b48a3448511cc5440346b53b8326e29
SSDEEP

3072:ueSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLF9STc:uVYrJrOSsRwcpCc

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-1-5-21-656926755-4116854191-210765258-1000\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/0x0007000000023498-27.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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
4976	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
2904	regsvr32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1960-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0008000000023482-3.dat	upx
behavioral2/memory/4976-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1960-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0007000000023498-27.dat	upx
behavioral2/memory/2904-29-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/memory/4976-72-0x0000000000400000-0x000000000042E000-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\20110120010120\medias\p2e_3_3.gif	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110120010120\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120010120\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\20110120010120\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120010120\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120010120\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120010120\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120010120\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110120010120\medias\p2e.ico	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\20110120010120\medias\p2e_logo_2.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\iaccess32.exe	ea74677605dfadc51f596744ac0b3a8c_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
File created	C:\Windows\egdhtm_pack.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	ea74677605dfadc51f596744ac0b3a8c_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
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iaccess32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iaccess32.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\IESettingSync	iaccess32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	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
4844	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1960	ea74677605dfadc51f596744ac0b3a8c_JaffaCakes118.exe
4976	iaccess32.exe
4976	iaccess32.exe
4976	iaccess32.exe
4976	iaccess32.exe
4976	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 4976	1960	ea74677605dfadc51f596744ac0b3a8c_JaffaCakes118.exe	85
PID 1960 wrote to memory of 4976	1960	ea74677605dfadc51f596744ac0b3a8c_JaffaCakes118.exe	85
PID 1960 wrote to memory of 4976	1960	ea74677605dfadc51f596744ac0b3a8c_JaffaCakes118.exe	85
PID 4976 wrote to memory of 4844	4976	iaccess32.exe	86
PID 4976 wrote to memory of 4844	4976	iaccess32.exe	86
PID 4976 wrote to memory of 4844	4976	iaccess32.exe	86
PID 4976 wrote to memory of 2904	4976	iaccess32.exe	87
PID 4976 wrote to memory of 2904	4976	iaccess32.exe	87
PID 4976 wrote to memory of 2904	4976	iaccess32.exe	87

C:\Users\Admin\AppData\Local\Temp\ea74677605dfadc51f596744ac0b3a8c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ea74677605dfadc51f596744ac0b3a8c_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1960
- 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:4976
- - 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:4844
- - 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:2904

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
9b22833af2560df523252b6385a08bdc

SHA1
6330c10623abd050b949a05933b2676a32fd227a

SHA256
3a060bc70215db481c0e53f424ef68113c00310098c85626bf4503b0cf211dac

SHA512
cc8e2455a154ec1eb22c3f16a473daf754bd5b42124911ea864184ad8e5980100fc505ed54545aa5f69497647ba14f9bb510fd206b790c5d53a671067ee1be75

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20110120010120\Common\module.php

Filesize
5KB

MD5
dee877a2996c61d06030ca02fa56e02f

SHA1
dbd70279626eb49b6530ac27a571980828b15bc1

SHA256
8c925a454c478e576af74db98a7dafcddc3a9cbbb1168dd1c83db2671dcf5d7e

SHA512
d87abbc6398e3818718979e48d442cb8fe13d999553677b9f8990670fd1fb0fb6fea35e1cf056a79891af2c7841aaa2c9953fb139e4fdd50fab268539e61d82f

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20110120010120\dialerexe.ini

Filesize
694B

MD5
3d83065067d4355c72e1ce8396e7151b

SHA1
af2f1f71cb11ce9b4c613ffce69efbaaf497bfae

SHA256
476266b2330dde3c0d3cbe8a24680e700ba5cc4486affd91240949adecfd36d4

SHA512
b3ed6a1bbb6c19780a1b813086db8a3fc078ff08b02a1be2737b4b98283f5a4776acc921820500297eda253f3c5592d97eef19fbc7f60274353f057439a8182b

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20110120010120\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
123KB

MD5
0563fcabe53b5149c52f73a59e175639

SHA1
af2dd66efc3be2c95986d67adb9bb35719c3ec60

SHA256
05210f3ef28b43dd0a828754c7c63373b66cdc0f7ae45e67ec9b48071f656b0d

SHA512
bd3c4042aea888309ac7b44e06ee456ec98e660b6a4d78b96f796342a09a7db4afe8c80149b4ca256bc8aee446f1d34dd9be4a9dfc6d0b90d873937703d76636

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/1960-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1960-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2904-29-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4976-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4976-72-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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