3bf8c5076c5c4b62a88a5ea7dfccd4bc7874abc187a68135c1287c6203895ef6

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/04/2024, 09:52

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General

Target

d0662614f5e16db952e76910d1cc305e_JaffaCakes118.exe
Size

692KB
MD5

d0662614f5e16db952e76910d1cc305e
SHA1

959b9a35fd871eb91c76da3133c20fe6023b0418
SHA256

3bf8c5076c5c4b62a88a5ea7dfccd4bc7874abc187a68135c1287c6203895ef6
SHA512

0d94daa0673929d02fba197a3ff056811b07a7895b9b4d7c4b22cff18316338c35a426303e125f79df673abae3b205b1265138a19fe6b26830a21d982dc383db
SSDEEP

12288:smJyVADu7+UY7eaPAGjY6Wz8/lHKmH8QyAaVunCM094qGoBhkFGd+pg:hpH73AG8r8/lqmH8QyAggg4qGmhkVpg

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4336	JFFLd5G7JZiSzCT.exe
1124	CTS.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 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1596-0-0x0000000000BA0000-0x0000000000BB9000-memory.dmp	upx
behavioral2/files/0x00090000000231eb-7.dat	upx
behavioral2/memory/1596-9-0x0000000000BA0000-0x0000000000BB9000-memory.dmp	upx
behavioral2/memory/1124-10-0x0000000000BA0000-0x0000000000BB9000-memory.dmp	upx
behavioral2/files/0x0003000000022744-13.dat	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"	d0662614f5e16db952e76910d1cc305e_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	d0662614f5e16db952e76910d1cc305e_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1596	d0662614f5e16db952e76910d1cc305e_JaffaCakes118.exe
Token: SeDebugPrivilege	1124	CTS.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 4336	1596	d0662614f5e16db952e76910d1cc305e_JaffaCakes118.exe	85
PID 1596 wrote to memory of 4336	1596	d0662614f5e16db952e76910d1cc305e_JaffaCakes118.exe	85
PID 1596 wrote to memory of 1124	1596	d0662614f5e16db952e76910d1cc305e_JaffaCakes118.exe	86
PID 1596 wrote to memory of 1124	1596	d0662614f5e16db952e76910d1cc305e_JaffaCakes118.exe	86
PID 1596 wrote to memory of 1124	1596	d0662614f5e16db952e76910d1cc305e_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\d0662614f5e16db952e76910d1cc305e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d0662614f5e16db952e76910d1cc305e_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Users\Admin\AppData\Local\Temp\JFFLd5G7JZiSzCT.exe
  C:\Users\Admin\AppData\Local\Temp\JFFLd5G7JZiSzCT.exe
  2⤵
  - Executes dropped EXE
  PID:4336
- 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:1124

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

Filesize
439KB

MD5
b08742f63edcb6883a4f4b39c49d36d5

SHA1
27794336ed264d47a170c7f07dbd7c8fc1882590

SHA256
655d7514299adaa876451da86690e14838bc49366cf7801c4a0ac0d2a9584a83

SHA512
49a4fab14b71ca96a00f4d58c96798c03adb15ec7da6b6a06f8a5894251af0154c0bc4548d1cc56baac8ad4346e2a9b6e969357ec85e3e30b4dc514df40bf113

Download Submit
C:\Users\Admin\AppData\Local\Temp\JFFLd5G7JZiSzCT.exe

Filesize
574KB

MD5
6503efe0a01c2d50c97be27f3cb10a43

SHA1
a0cb3708603a18f02352d01ec672020e5bad5073

SHA256
0cf9864ae3a8679ed503f954a453452c93fa44f99ca6f39bbc5860abde7fd35e

SHA512
ebdbc553ba4348676fd3f2ca12e48af53a229b449a36e653dbfca90efb34d21033e41d1157dcca28c2b1e5f91368c0839298992247cf7d2e8feca5feab8ecea4

Download Submit
C:\Windows\CTS.exe

Filesize
118KB

MD5
f3a5f1a9498a80d37ad51a465a73bbbe

SHA1
cf0373fb9837de6a67e18f1896258cb99005037b

SHA256
c77cd8b176021d3c9c3c2822691ed40dbda40a9cecb64b4db0cf3630af6cbbc0

SHA512
bdbd9334784577ac625375c1a5f1974ae68040b42d5b09e399c58bc531112d272a9d799747183e9d5704b5a59c2e39e37c3ed887ad84b73f89c51835afecb7cc

Download Submit
memory/1124-10-0x0000000000BA0000-0x0000000000BB9000-memory.dmp

Filesize
100KB

Download
memory/1596-0-0x0000000000BA0000-0x0000000000BB9000-memory.dmp

Filesize
100KB

Download
memory/1596-9-0x0000000000BA0000-0x0000000000BB9000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads