21ee721271f64d9189c6c996734af4a934f614b672b56dd3521dc30880140eb6

General

Target

ec650f4628ea05ba526d9112d8a799df_JaffaCakes118.exe
Size

123KB
MD5

ec650f4628ea05ba526d9112d8a799df
SHA1

03de172fcfb3de676c1b159211dd2d185533c81a
SHA256

21ee721271f64d9189c6c996734af4a934f614b672b56dd3521dc30880140eb6
SHA512

de4521433008266174887de6e412c6121d3de5fe41af389b06b71beebb79bb5834e79a5f9a99f39ff6bc37c8a053eccc1f5fa1fb133cdc2a388baaab2d7fe593
SSDEEP

3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLP/F9P:OVYrJrOSsRwcpjh

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-1-5-21-3808065738-1666277613-1125846146-1000\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/0x0007000000023261-28.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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
3708	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
5116	regsvr32.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/332-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000800000002324e-2.dat	upx
behavioral2/memory/3708-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/332-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/332-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3708-27-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0007000000023261-28.dat	upx
behavioral2/memory/5116-30-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/memory/3708-58-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3708-61-0x0000000000400000-0x000000000042E000-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\20100611220656\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\20100611220656\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100611220656\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100611220656\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100611220656\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\20100611220656\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100611220656\medias\p2e_go_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\20100611220656\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100611220656\dialerexe.ini	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20100611220656\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	ec650f4628ea05ba526d9112d8a799df_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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
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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{413E282B-C32A-4717-A0F3-4F2E6FE25F83}\InprocServer32\ = "C:\\Windows\\SysWow64\\egaccess4_1071.dll"	regsvr32.exe

Runs regedit.exe 1 IoCs

pid	Process
220	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
332	ec650f4628ea05ba526d9112d8a799df_JaffaCakes118.exe
3708	iaccess32.exe
3708	iaccess32.exe
3708	iaccess32.exe
3708	iaccess32.exe
3708	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 332 wrote to memory of 3708	332	ec650f4628ea05ba526d9112d8a799df_JaffaCakes118.exe	92
PID 332 wrote to memory of 3708	332	ec650f4628ea05ba526d9112d8a799df_JaffaCakes118.exe	92
PID 332 wrote to memory of 3708	332	ec650f4628ea05ba526d9112d8a799df_JaffaCakes118.exe	92
PID 3708 wrote to memory of 220	3708	iaccess32.exe	93
PID 3708 wrote to memory of 220	3708	iaccess32.exe	93
PID 3708 wrote to memory of 220	3708	iaccess32.exe	93
PID 3708 wrote to memory of 5116	3708	iaccess32.exe	94
PID 3708 wrote to memory of 5116	3708	iaccess32.exe	94
PID 3708 wrote to memory of 5116	3708	iaccess32.exe	94

C:\Users\Admin\AppData\Local\Temp\ec650f4628ea05ba526d9112d8a799df_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ec650f4628ea05ba526d9112d8a799df_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:332
- 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 data under HKEY_USERS
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3708
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - Runs regedit.exe
    PID:220
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:5116

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:3220

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3972 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
1⤵
PID:3048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\DesktopIcons\NOCREDITCARD.lnk

Filesize
2KB

MD5
1d0024a6c0021a927116b5b67bdedd76

SHA1
730b0884b0300bdfb5fbfa58817ec6023c0d7fdd

SHA256
03196bfdac2033c0a3c4b309fd2b8905787a6cfff5e369b1ffbba8c6942508e1

SHA512
16d44d8f1f1e232511b217359c75362b742ee5f3336fda1919ff2b83fb45ade25000d5b49b8d5840e239815a97aef39e25f6a39129cc91a581da12f9ee5a0c34

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20100611220656\dialerexe.ini

Filesize
587B

MD5
d729baa6b4c770fa9c31cc31ec693031

SHA1
9cc39c3fcfa6e813297fc0a1f1fc5208ba22e281

SHA256
12838640c5be61e9ed905bebdc3a5cf1776b30fd4320e9eb6d8930b4e40d8d3f

SHA512
05c89cb451c662fe8018784d6d7e752e1b211c044b36d5f41a82b62801bcf8bc4dd86817bc9f5719e37aac5a09d64a670a7a55b9cd9c55f6a4242adb112101e6

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
24747471c4d9d4a83be9f65da1875685

SHA1
07248be3b9646af952d9f691e9e20b652ea73443

SHA256
1fa61ea1cf7bedbb3da4c56e409fc16ec1c340f3fe8e8a0a9085488c5637d00b

SHA512
84b1e6f8ea537b9cfb47b4ead2cc5a96dfc4668622c28f9bd68adda00be100b04640a80e1736b81b90e66d4169fad0570eaa12056560dc9721a0a41dde6894c9

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/332-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/332-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/332-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3708-27-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3708-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3708-58-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3708-61-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5116-30-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

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