f69a1671dad671987f755f832447cb5ef8d5aad806fe9931a68fdfbe7aa8224a

General

Target

b7ef13b22307b1cf281b346b23947a42_JaffaCakes118.exe
Size

123KB
MD5

b7ef13b22307b1cf281b346b23947a42
SHA1

cb871cc86d187e942fa93ff0e5cf28a04eecff6a
SHA256

f69a1671dad671987f755f832447cb5ef8d5aad806fe9931a68fdfbe7aa8224a
SHA512

e234eef31aa188652729e48c90391724164aec0f7da7134f21fa40085e254bb40bcce39782cd020ee01b0f734b0a0c7fe38f2e72301093b023eb59fba6d0b83e
SSDEEP

3072:ueSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLbh0BM:uVYrJrOSsRwcpz/

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-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\Trust Database\0\goicfboogidikkejccmclpieicihhlpo jimddp = "electronic-group"	iaccess32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\SystemCertificates\TrustedPublisher\Certificates\62119EF862C6B3A0D853419B87EB3E2F6C78640A\Blob = 03000000010000001400000062119ef862c6b3a0d853419b87eb3e2f6c78640a2000000001000000df030000308203db30820344a00302010202033fc398300d06092a864886f70d01010405003055310b3009060355040613025a4131253023060355040a131c54686177746520436f6e73756c74696e67202850747929204c74642e311f301d0603550403131654686177746520436f6465205369676e696e67204341301e170d3035303831353031353134345a170d3037303931363133323531325a30818b310b3009060355040613024652310e300c0603550408130552686f6e65310d300b060355040713044c796f6e31193017060355040a1310656c656374726f6e69632d67726f757031273025060355040b131e536563757265204170706c69636174696f6e20446576656c6f706d656e743119301706035504031310656c656374726f6e69632d67726f757030820122300d06092a864886f70d01010105000382010f003082010a0282010100e2754d8a4e6d4db6e025b0073520ddd7eeec116a813940fda2c4c66f7a354adb3036188d4078f8891b3fe15d467dfba5e17984cac2b246c27c052e63956dfe817eb423b9615bddfddaadac5e2ac0f41f583edd24d7830f5875df2937a9152b741eef3950e5116e76d2e7e3ffdf6fcb5858af26f5e2effd019a1f82b98d7f21ed089d5bb8553cd89c823becaeb62ea1cc4b455cb4e93e8ac715320f31dc3fbc2d0be0d65c608c58c19ff06da7bc1ec48a45ef0219eef40294504e2663b1c9dad6a2241df996c59cf110b706285fbaeae0c55d776573536218c3c7ae248b82cae01513cd8b2828a94f4a70ba6e199919a0f5eae20643feaabebe2ba3b2819e92790203010001a381fd3081fa301f0603551d250418301606082b06010505070303060a2b060104018237020116301106096086480186f8420101040403020410301d0603551d0404163014300e300c060a2b0601040182370201160302078030230603551d11041c301a82187777772e656c656374726f6e69632d67726f75702e636f6d303e0603551d1f043730353033a031a02f862d687474703a2f2f63726c2e7468617774652e636f6d2f546861777465436f64655369676e696e6743412e63726c303206082b0601050507010104263024302206082b060105050730018616687474703a2f2f6f6373702e7468617774652e636f6d300c0603551d130101ff04023000300d06092a864886f70d01010405000381810075160a692f4bc2096bce67c58b0d88320552104e4d35f5018bc2ab1be03ecae3c0abe7db45629b1b3c1812039145c15d6f2774c211a2c86f93a819573d58a3c0e66d1e19e84638800e3372880b4e9cdcf70cc769bdeff236ed3ac6f20e370122fa791e71b0ea8be78077ffc288c382b201d78ea8bbf9e9457fad4ee80273279c	regedit.exe

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000500000001872a-31.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
112	iaccess32.exe

Loads dropped DLL 3 IoCs

pid	Process
3028	regsvr32.exe
112	iaccess32.exe
112	iaccess32.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2984-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x0009000000012118-5.dat	upx
behavioral1/memory/112-10-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2984-9-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000500000001872a-31.dat	upx
behavioral1/memory/3028-33-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral1/memory/112-87-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/112-89-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/112-90-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/112-91-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/112-92-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/112-93-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/112-94-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/112-96-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/112-97-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/112-98-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/112-99-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/112-100-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/112-101-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/112-102-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/112-103-0x0000000000400000-0x000000000042E000-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\20110121150118\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121150118\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\20110121150118\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Center\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\20110121150118\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121150118\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121150118\medias\p2e.ico	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110121150118\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121150118\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121150118\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110121150118\medias\p2e_logo_2.gif	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	b7ef13b22307b1cf281b346b23947a42_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	b7ef13b22307b1cf281b346b23947a42_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 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\Main	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\ = "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
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

Runs regedit.exe 1 IoCs

pid	Process
2016	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2984	b7ef13b22307b1cf281b346b23947a42_JaffaCakes118.exe
112	iaccess32.exe
112	iaccess32.exe
112	iaccess32.exe
112	iaccess32.exe
112	iaccess32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 112	2984	b7ef13b22307b1cf281b346b23947a42_JaffaCakes118.exe	31
PID 2984 wrote to memory of 112	2984	b7ef13b22307b1cf281b346b23947a42_JaffaCakes118.exe	31
PID 2984 wrote to memory of 112	2984	b7ef13b22307b1cf281b346b23947a42_JaffaCakes118.exe	31
PID 2984 wrote to memory of 112	2984	b7ef13b22307b1cf281b346b23947a42_JaffaCakes118.exe	31
PID 112 wrote to memory of 2016	112	iaccess32.exe	32
PID 112 wrote to memory of 2016	112	iaccess32.exe	32
PID 112 wrote to memory of 2016	112	iaccess32.exe	32
PID 112 wrote to memory of 2016	112	iaccess32.exe	32
PID 112 wrote to memory of 3028	112	iaccess32.exe	33
PID 112 wrote to memory of 3028	112	iaccess32.exe	33
PID 112 wrote to memory of 3028	112	iaccess32.exe	33
PID 112 wrote to memory of 3028	112	iaccess32.exe	33
PID 112 wrote to memory of 3028	112	iaccess32.exe	33
PID 112 wrote to memory of 3028	112	iaccess32.exe	33
PID 112 wrote to memory of 3028	112	iaccess32.exe	33

C:\Users\Admin\AppData\Local\Temp\b7ef13b22307b1cf281b346b23947a42_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b7ef13b22307b1cf281b346b23947a42_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2984
- 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:112
- - 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:2016
- - 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:3028

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\20110121150118\dialerexe.ini

Filesize
670B

MD5
f5fb4be1b9310be5be8aa5e11ccd21c9

SHA1
5263ebec0984481ae10c46c98f6e7d6ff81db96a

SHA256
194dc21d8457c28122b950132c475418130b2f0de20eaa3b552ba314e090dd8d

SHA512
38177f2758e62863b6ff2eb7fd0e43cdc028ac19ccf1ebae8d91775b34cdbf79896d5db35bbe8154ea4765013ee2f232cc6c82a96930cfbbef5cb6effb01e4dd

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

Filesize
2KB

MD5
c0a9e1b427abfea74024887842858df7

SHA1
96f3d74f18e262d7950e617d15b26c937765da20

SHA256
c9d08859a3effa46ca07f8228fcbd228c3c4d287204314aaa4cbb80d8224b72f

SHA512
11061567239a98ba0667b87b3282ec37b32fb840967b0845f94bd0085b5c2eb3b3a5f1df97a401ce1eb2deae4128ee57ed3469adec65951f5830fe0bbac679f4

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
38a51e96b70fec993d48550325cd1e17

SHA1
394577af4b9cab8030973da0f2209adc9c762056

SHA256
ac5f733a632f75fbef2cd0b3b0b17420b2b836c0faa9e42fe9ac3dcba75f9913

SHA512
eed7e5c7f3cee6e2aaa95aae87ef2f78fb65bfaec910321009a0b16a8d1fdc162ef5eae9aff5ea85a17cc966d48866d93161097d5fad37bfb794636b419885d8

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/112-97-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/112-89-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/112-103-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/112-10-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/112-47-0x00000000033C0000-0x00000000033D0000-memory.dmp

Filesize
64KB

Download
memory/112-58-0x00000000033C0000-0x00000000033D0000-memory.dmp

Filesize
64KB

Download
memory/112-102-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/112-87-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/112-88-0x00000000033C0000-0x00000000033D0000-memory.dmp

Filesize
64KB

Download
memory/112-100-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/112-90-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/112-91-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/112-92-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/112-93-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/112-94-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/112-96-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/112-101-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/112-98-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/112-99-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2984-6-0x00000000003A0000-0x00000000003CE000-memory.dmp

Filesize
184KB

Download
memory/2984-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2984-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3028-33-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

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