1986650c932cfd4ac2ada5bb19940d330597ba402dde449f923764623577c7b9

General

Target

d2702403f0d2bfc8ba4537790d0674fc_JaffaCakes118.exe
Size

185KB
MD5

d2702403f0d2bfc8ba4537790d0674fc
SHA1

5438936770d6e033e1c8612cb69be79b45096244
SHA256

1986650c932cfd4ac2ada5bb19940d330597ba402dde449f923764623577c7b9
SHA512

bf8bc4047d88b7395e4b078a384982fe355b7b06758f7c38d0d0ab1d7f6f3800f718fd051c558cfca1acb4f357bd87941452c65066d00949b4471d2b9a1861b2
SSDEEP

3072:EamFnQYUM6m3SP2sVSdEnfWZN3cbgonk9sX1qalYuhLJNdjQVVTuP5J85Vi9iqVv:Eazq3aipalYuhoao5sQkzj

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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\Trust Database\0\goicfboogidikkejccmclpieicihhlpo jimddp = "electronic-group"	iaccess32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\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/0x000400000001934f-25.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
2200	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
2304	regsvr32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2364-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x0008000000012101-6.dat	upx
behavioral1/memory/2200-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2364-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000400000001934f-25.dat	upx
behavioral1/memory/2304-27-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral1/memory/2200-62-0x0000000000400000-0x000000000042E000-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\Multi\20110207110229\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110207110229\js\js_api_dialer.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110207110229\dialerexe.ini	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110207110229\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\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\20110207110229\medias\dialer.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110207110229\instant access.exe	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\iaccess32.exe	d2702403f0d2bfc8ba4537790d0674fc_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	d2702403f0d2bfc8ba4537790d0674fc_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-1-5-21-457978338-2990298471-2379561640-1000\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
2504	regedit.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	2832	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2832	AUDIODG.EXE
Token: 33	2832	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2832	AUDIODG.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2364	d2702403f0d2bfc8ba4537790d0674fc_JaffaCakes118.exe
2200	iaccess32.exe
2200	iaccess32.exe
2200	iaccess32.exe
2200	iaccess32.exe
2200	iaccess32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2200	2364	d2702403f0d2bfc8ba4537790d0674fc_JaffaCakes118.exe	29
PID 2364 wrote to memory of 2200	2364	d2702403f0d2bfc8ba4537790d0674fc_JaffaCakes118.exe	29
PID 2364 wrote to memory of 2200	2364	d2702403f0d2bfc8ba4537790d0674fc_JaffaCakes118.exe	29
PID 2364 wrote to memory of 2200	2364	d2702403f0d2bfc8ba4537790d0674fc_JaffaCakes118.exe	29
PID 2200 wrote to memory of 2504	2200	iaccess32.exe	30
PID 2200 wrote to memory of 2504	2200	iaccess32.exe	30
PID 2200 wrote to memory of 2504	2200	iaccess32.exe	30
PID 2200 wrote to memory of 2504	2200	iaccess32.exe	30
PID 2200 wrote to memory of 2304	2200	iaccess32.exe	31
PID 2200 wrote to memory of 2304	2200	iaccess32.exe	31
PID 2200 wrote to memory of 2304	2200	iaccess32.exe	31
PID 2200 wrote to memory of 2304	2200	iaccess32.exe	31
PID 2200 wrote to memory of 2304	2200	iaccess32.exe	31
PID 2200 wrote to memory of 2304	2200	iaccess32.exe	31
PID 2200 wrote to memory of 2304	2200	iaccess32.exe	31

C:\Users\Admin\AppData\Local\Temp\d2702403f0d2bfc8ba4537790d0674fc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d2702403f0d2bfc8ba4537790d0674fc_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\iaccess32.exe
  C:\Windows\iaccess32.exe
  2⤵
  - Manipulates Digital Signatures
  - 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
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2200
- - 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:2504
- - 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:2304

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x520
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2832

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\20110207110229\dialerexe.ini

Filesize
616B

MD5
603c702048935c4badd84f617872efa3

SHA1
88f89fb2ab00c18cba50ab805d42780dbae263d3

SHA256
6636dc7f2374c11f214a568052c5f172812f55e1c61d4c35c21dca80b04aa115

SHA512
4772f32115918b4dd179814e66f4056e5478c6b67618630badd3cba8e2d7448f6e2286c39b2095da064fec67e7727cf9612e5ca88fb86822807d9fe90c1bcbfa

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

Filesize
2KB

MD5
4fb084694ef30b874c5262aab4e287db

SHA1
72874f46e410174d02add2a7e466bc832dcfe468

SHA256
682b43ef69b46f8cb0677bdb7963ede9006d59614dd9c488881a4d38b50f9f50

SHA512
a9ebb470702c662cdd9185ba7fad972ac1a99ca7e9e35a896dbc5070218e15f7983342412e3f5466cf18366befffb376d1dd1136a91d683bbdca1144cd4e441d

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
185KB

MD5
7574565ee9f36e94122a4df1ad32d2bd

SHA1
0adf5932b3d40e7a104f3f97671b7a16620a1ab9

SHA256
d0f07218954a16763eb0250282cf25834817a084f344c0f084ce5e4fd08caa77

SHA512
d80c757efe0e268732011b5d0e7f7bdf6e956d34d2f0990bbf8328ae577dc5c388f20a33cbeaf6becc5e4c79d54e8c65d4c5b1c0b06b39d2aed00d12eb0c380b

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/2200-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2200-62-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2304-27-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2364-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2364-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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