b05effb9570d22a730e070a0d956a6cc59ebf5f7b67ac6728c17a06aa61ff8c8

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2024 05:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b4ee8dd8ba93070bc38bf5ff226bd6c2_JaffaCakes118.exe
Size

1.1MB
MD5

b4ee8dd8ba93070bc38bf5ff226bd6c2
SHA1

df625e90bf0a7018093efb14ac87dfca3bba7df8
SHA256

b05effb9570d22a730e070a0d956a6cc59ebf5f7b67ac6728c17a06aa61ff8c8
SHA512

0f52c823cc53b62bcbe4370448b41cb2d6e1d46619688272d803caa44972e98c1555ade818f502ec604d7a4235e30148f9680fbc35a883b3439d6d28b1422335
SSDEEP

24576:hvl4j9azrpwlOw7zkpOoFJUamPVnx6iE40aFoz5lvl+F:hGxYGOw7A9+amdn3OzP9G

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3116	8f34AxlWpcGCTkg.exe
4052	CTS.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	b4ee8dd8ba93070bc38bf5ff226bd6c2_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3120-0-0x00000000003B0000-0x00000000003C7000-memory.dmp	upx
behavioral2/files/0x0008000000023c93-6.dat	upx
behavioral2/memory/4052-8-0x0000000000C10000-0x0000000000C27000-memory.dmp	upx
behavioral2/memory/3120-10-0x00000000003B0000-0x00000000003C7000-memory.dmp	upx
behavioral2/files/0x00100000000239a2-13.dat	upx
behavioral2/memory/4052-176-0x0000000000C10000-0x0000000000C27000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_da.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_fi.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_ms.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_ro.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\GoogleUpdate.exe	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_de.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_gu.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_it.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_nl.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_sk.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdate.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_es.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_fil.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_ko.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_no.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_uk.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_es-419.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_fr.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_hr.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_pl.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_th.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_tr.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_zh-CN.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_is.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\GoogleUpdateOnDemand.exe	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\GoogleUpdateComRegisterShell64.exe	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_et.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_id.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_ml.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_ru.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_sl.dll	8f34AxlWpcGCTkg.exe
File opened for modification	C:\Program Files (x86)\GUMAAD6.tmp\GoogleUpdateSetup.exe	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\psuser.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\GoogleCrashHandler64.exe	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\GoogleUpdateCore.exe	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_ar.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_bg.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_ca.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_cs.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_en.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_ja.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_bn.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_hu.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_sw.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_te.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\GoogleUpdateBroker.exe	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\psmachine_64.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\GoogleUpdateSetup.exe	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\GoogleUpdateHelper.msi	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_lt.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_lv.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\GoogleUpdateWebPlugin.exe	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_pt-PT.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_sr.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_ta.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\npGoogleUpdate3.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_iw.dll	8f34AxlWpcGCTkg.exe
File opened for modification	C:\Program Files (x86)\GUTAAD7.tmp	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\GoogleCrashHandler.exe	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_fa.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_hi.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_zh-TW.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_en-GB.dll	8f34AxlWpcGCTkg.exe
File created	C:\Program Files (x86)\GUMAAD6.tmp\goopdateres_mr.dll	8f34AxlWpcGCTkg.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	b4ee8dd8ba93070bc38bf5ff226bd6c2_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	b4ee8dd8ba93070bc38bf5ff226bd6c2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8f34AxlWpcGCTkg.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3120	b4ee8dd8ba93070bc38bf5ff226bd6c2_JaffaCakes118.exe
Token: SeDebugPrivilege	4052	CTS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3120 wrote to memory of 3116	3120	b4ee8dd8ba93070bc38bf5ff226bd6c2_JaffaCakes118.exe	83
PID 3120 wrote to memory of 3116	3120	b4ee8dd8ba93070bc38bf5ff226bd6c2_JaffaCakes118.exe	83
PID 3120 wrote to memory of 3116	3120	b4ee8dd8ba93070bc38bf5ff226bd6c2_JaffaCakes118.exe	83
PID 3120 wrote to memory of 4052	3120	b4ee8dd8ba93070bc38bf5ff226bd6c2_JaffaCakes118.exe	84
PID 3120 wrote to memory of 4052	3120	b4ee8dd8ba93070bc38bf5ff226bd6c2_JaffaCakes118.exe	84
PID 3120 wrote to memory of 4052	3120	b4ee8dd8ba93070bc38bf5ff226bd6c2_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\b4ee8dd8ba93070bc38bf5ff226bd6c2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b4ee8dd8ba93070bc38bf5ff226bd6c2_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3120
- C:\Users\Admin\AppData\Local\Temp\8f34AxlWpcGCTkg.exe
  C:\Users\Admin\AppData\Local\Temp\8f34AxlWpcGCTkg.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  PID:3116
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
351KB

MD5
7641af5fb2077b502d8ae4c269c020b1

SHA1
b07451d0501834445639cd1d89ab899b93a4e8fb

SHA256
53f04efa976d3eb48955b59dacaaaaf46829ce81e1e5a4995cad2556d957a011

SHA512
27970079366e3d09a34702136dbe2db448b2a7ab929d8ab599120e21d7bfb39954c1b829bd512f78f9523a6f073d9b5041c8319e9be6c3427bf6feb5b701008d

Download Submit
C:\Users\Admin\AppData\Local\Temp\8f34AxlWpcGCTkg.exe

Filesize
1.1MB

MD5
53baee50f7a69bf3bc0fffe25341a923

SHA1
0b7998f5517ed4e7c5aeea3a89d73b60d2a2d102

SHA256
f91e258ea71dcbfc82371b2ee3e20852e45bef0cb946223d1141a6ef1dfb793f

SHA512
0eb28032849f775f604b7064a4f00f7d802c8c2fd5c7bc21b48298e6c3d316286963794b4c6c4981199c21f56b08d9aa466a470d40738d1b633b7feddc8e6241

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/3120-0-0x00000000003B0000-0x00000000003C7000-memory.dmp

Filesize
92KB

Download
memory/3120-10-0x00000000003B0000-0x00000000003C7000-memory.dmp

Filesize
92KB

Download
memory/4052-8-0x0000000000C10000-0x0000000000C27000-memory.dmp

Filesize
92KB

Download
memory/4052-176-0x0000000000C10000-0x0000000000C27000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads