8437a0eaa485a535fee2101bce67c94a59bc2c38ff16e35d5780359ae34f9f07

Analysis

max time kernel
140s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20/04/2024, 15:40

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General

Target

fd1916f3b95bc8eb309cbb2a28b1515c_JaffaCakes118.exe
Size

1.1MB
MD5

fd1916f3b95bc8eb309cbb2a28b1515c
SHA1

0e8bac5da7e94044bd7f2f14f3f20867c770ae71
SHA256

8437a0eaa485a535fee2101bce67c94a59bc2c38ff16e35d5780359ae34f9f07
SHA512

4e5ce4d123816f1fb4d364e00f217453d0cfbfb17f0eda617af8fc8c70056de9b9aad3f7a64fac19a09b074cf5c011eeb874e6f07ad06a31e02b85fb637e1168
SSDEEP

24576:/2yhxArheGiZRzrJIz8VTwcCKK2fYU5vl+PEUQBoiQV27u8Uwn:/JhxQeGivrftz0U5dVVM+Hzn

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3004	CTS.exe
2368	xwXxnYwhEyGaZiy.exe

Loads dropped DLL 1 IoCs

pid	Process
2376	fd1916f3b95bc8eb309cbb2a28b1515c_JaffaCakes118.exe

Reads user/profile data of web browsers 2 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

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2376-0-0x0000000000F50000-0x0000000000F67000-memory.dmp	upx
behavioral1/memory/3004-16-0x0000000001350000-0x0000000001367000-memory.dmp	upx
behavioral1/files/0x000d000000012331-14.dat	upx
behavioral1/memory/2376-10-0x0000000000F50000-0x0000000000F67000-memory.dmp	upx

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"	fd1916f3b95bc8eb309cbb2a28b1515c_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_bn.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_pl.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\GoogleUpdateSetup.exe	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\GoogleCrashHandler.exe	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_es.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_lv.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_ml.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_nl.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_bg.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_cs.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_en-GB.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_ms.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_sv.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdate.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\psuser_64.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_ca.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_el.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_hi.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_no.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_de.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_fil.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_fr.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_it.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\GoogleUpdateBroker.exe	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\GoogleUpdateCore.exe	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_es-419.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_fa.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_gu.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_sk.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_te.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_da.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\psuser.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\GoogleCrashHandler64.exe	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_en.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_hr.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_id.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_th.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_tr.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_uk.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\npGoogleUpdate3.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\GoogleUpdateWebPlugin.exe	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_is.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_ru.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_zh-CN.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\GoogleUpdate.exe	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_ja.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_kn.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_zh-TW.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_pt-PT.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_sl.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_vi.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\GoogleUpdateHelper.msi	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_am.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_et.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_mr.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_pt-BR.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\GoogleUpdateOnDemand.exe	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\GoogleUpdateComRegisterShell64.exe	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_ro.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_sr.dll	xwXxnYwhEyGaZiy.exe
File opened for modification	C:\Program Files (x86)\GUT1AE1.tmp	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\psmachine.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\psmachine_64.dll	xwXxnYwhEyGaZiy.exe
File created	C:\Program Files (x86)\GUM1AE0.tmp\goopdateres_fi.dll	xwXxnYwhEyGaZiy.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	fd1916f3b95bc8eb309cbb2a28b1515c_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2376	fd1916f3b95bc8eb309cbb2a28b1515c_JaffaCakes118.exe
Token: SeDebugPrivilege	3004	CTS.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 2368	2376	fd1916f3b95bc8eb309cbb2a28b1515c_JaffaCakes118.exe	28
PID 2376 wrote to memory of 2368	2376	fd1916f3b95bc8eb309cbb2a28b1515c_JaffaCakes118.exe	28
PID 2376 wrote to memory of 2368	2376	fd1916f3b95bc8eb309cbb2a28b1515c_JaffaCakes118.exe	28
PID 2376 wrote to memory of 2368	2376	fd1916f3b95bc8eb309cbb2a28b1515c_JaffaCakes118.exe	28
PID 2376 wrote to memory of 2368	2376	fd1916f3b95bc8eb309cbb2a28b1515c_JaffaCakes118.exe	28
PID 2376 wrote to memory of 2368	2376	fd1916f3b95bc8eb309cbb2a28b1515c_JaffaCakes118.exe	28
PID 2376 wrote to memory of 2368	2376	fd1916f3b95bc8eb309cbb2a28b1515c_JaffaCakes118.exe	28
PID 2376 wrote to memory of 3004	2376	fd1916f3b95bc8eb309cbb2a28b1515c_JaffaCakes118.exe	29
PID 2376 wrote to memory of 3004	2376	fd1916f3b95bc8eb309cbb2a28b1515c_JaffaCakes118.exe	29
PID 2376 wrote to memory of 3004	2376	fd1916f3b95bc8eb309cbb2a28b1515c_JaffaCakes118.exe	29
PID 2376 wrote to memory of 3004	2376	fd1916f3b95bc8eb309cbb2a28b1515c_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\fd1916f3b95bc8eb309cbb2a28b1515c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fd1916f3b95bc8eb309cbb2a28b1515c_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Users\Admin\AppData\Local\Temp\xwXxnYwhEyGaZiy.exe
  C:\Users\Admin\AppData\Local\Temp\xwXxnYwhEyGaZiy.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:2368
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:3004

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\CTS.exe

Filesize
35KB

MD5
93e5f18caebd8d4a2c893e40e5f38232

SHA1
fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

SHA256
a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

SHA512
986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

Download Submit
\Users\Admin\AppData\Local\Temp\xwXxnYwhEyGaZiy.exe

Filesize
1.1MB

MD5
53baee50f7a69bf3bc0fffe25341a923

SHA1
0b7998f5517ed4e7c5aeea3a89d73b60d2a2d102

SHA256
f91e258ea71dcbfc82371b2ee3e20852e45bef0cb946223d1141a6ef1dfb793f

SHA512
0eb28032849f775f604b7064a4f00f7d802c8c2fd5c7bc21b48298e6c3d316286963794b4c6c4981199c21f56b08d9aa466a470d40738d1b633b7feddc8e6241

Download Submit
memory/2376-0-0x0000000000F50000-0x0000000000F67000-memory.dmp

Filesize
92KB

Download
memory/2376-15-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download
memory/2376-11-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download
memory/2376-10-0x0000000000F50000-0x0000000000F67000-memory.dmp

Filesize
92KB

Download
memory/3004-16-0x0000000001350000-0x0000000001367000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads