f3e3c1fa66f5d2586495123d57c81b11234b8d7c6b901c83a01e64fe86eaca73

General

Target

47f10b8df0a1ecf23478d3a8c19d5a60_JaffaCakes118.exe
Size

124KB
MD5

47f10b8df0a1ecf23478d3a8c19d5a60
SHA1

6e1e201f32ff60daf1862add30130913446d31dd
SHA256

f3e3c1fa66f5d2586495123d57c81b11234b8d7c6b901c83a01e64fe86eaca73
SHA512

a1057fc281147f5f752fe238924dfe37550837064cf8d72bd4ad6cd27a5e28c40ed5e753c9cfb217b5241b11e6f739ddbe4422bc93159fb228cca4d428d2c955
SSDEEP

3072:NeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLssBDdNM:NVYrJrOSsRwcpxBXM

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-1-5-21-1705699165-553239100-4129523827-1000\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/0x00070000000234e9-23.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-1-5-21-1705699165-553239100-4129523827-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
3448	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
2536	regsvr32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3360-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0009000000023483-3.dat	upx
behavioral2/memory/3360-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3448-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x00070000000234e9-23.dat	upx
behavioral2/memory/2536-25-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/memory/3448-55-0x0000000000400000-0x000000000042E000-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\DesktopIcons\NoCreditCard.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Center\NoCreditCard.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110209110226\js\js_api_dialer.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110209110226\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110209110226\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\20110209110226\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110209110226\medias\dialer.ico	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110209110226\dialerexe.ini	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	47f10b8df0a1ecf23478d3a8c19d5a60_JaffaCakes118.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
Key created	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Software\Microsoft\Internet Explorer\IESettingSync	iaccess32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	iaccess32.exe
Key created	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iaccess32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	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
1648	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3360	47f10b8df0a1ecf23478d3a8c19d5a60_JaffaCakes118.exe
3448	iaccess32.exe
3448	iaccess32.exe
3448	iaccess32.exe
3448	iaccess32.exe
3448	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3360 wrote to memory of 3448	3360	47f10b8df0a1ecf23478d3a8c19d5a60_JaffaCakes118.exe	83
PID 3360 wrote to memory of 3448	3360	47f10b8df0a1ecf23478d3a8c19d5a60_JaffaCakes118.exe	83
PID 3360 wrote to memory of 3448	3360	47f10b8df0a1ecf23478d3a8c19d5a60_JaffaCakes118.exe	83
PID 3448 wrote to memory of 1648	3448	iaccess32.exe	86
PID 3448 wrote to memory of 1648	3448	iaccess32.exe	86
PID 3448 wrote to memory of 1648	3448	iaccess32.exe	86
PID 3448 wrote to memory of 2536	3448	iaccess32.exe	87
PID 3448 wrote to memory of 2536	3448	iaccess32.exe	87
PID 3448 wrote to memory of 2536	3448	iaccess32.exe	87

C:\Users\Admin\AppData\Local\Temp\47f10b8df0a1ecf23478d3a8c19d5a60_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\47f10b8df0a1ecf23478d3a8c19d5a60_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3360
- 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:3448
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - Runs regedit.exe
    PID:1648
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:2536

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:2940

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\20110209110226\dialerexe.ini

Filesize
617B

MD5
1902a06e9c8094af9f264359f6952a47

SHA1
7e0f7b8d00468437b6dc7b22b732212b4f357296

SHA256
5995aefe491baffe623b0f0ad29eb5811a56815a414f91c30961c793cab61cf0

SHA512
ec20c91a9397e29044446751f093c5a6d5ef94af21f8569d31fd82a2c257c5ccf60c7d8358ca62d322fd895c9eeaf8fdccb5ed9b69bf8c90be1bbba25eb7831a

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

Filesize
2KB

MD5
beb82cafc623e003bbbf11fb951d6d1a

SHA1
9891dfb07aca7e3f604fa4fa31b68dc902303cd2

SHA256
8dfee153688adc427515cafa37801233dd44670f9452cdc7f6107731bba14ac2

SHA512
0b782d488fcf22ea9ffebeb0d98f5cd440756aa0c2435ea2b1d073273587cbd527edc7f65916a5b31a00762d14301487f2e757940d26e830d2b8b677d0b0dd5d

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

Filesize
2KB

MD5
8bb99acd66fc6d74108c7c16b25b2906

SHA1
039b84f184bf9752ab04ad5bcdc1258bcf0ad36c

SHA256
11103309b07974f253028082c79388a741bcde464458ee73102b974c0cd3e86d

SHA512
2a40db4393efb2e9348c98b686ca8afe46aadadf47182ed2a7cd20098823347c599b9f0eab005c1e44363626d5da5600adbe6103531240094ff0eab83578e6ac

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
124KB

MD5
3ad233fe56bd5183bbf6444ce0ace08c

SHA1
64a8a09c03c38399dcea55f3c40dbce6db0b38b1

SHA256
914cbb027c9d06e74217a81d9920b3665962012188c9fdde75fc8d9f0c516bd1

SHA512
ec089ccb76731a4743fd61ebd0e7d2cf9c7ec408345be18906145cedd0be8461dee87531b1c8b8a5bfc1002f7d28cb5b469cc3b59bc9cc2fac26cf011ae9a34c

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/2536-25-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/3360-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3360-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3448-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3448-55-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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