15cbc1faf58ae12ad49c620d23a8e159d4940fb31e09b5c751e9599eff4e451a

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
19/04/2024, 08:40

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General

Target

f9edce2c3e8e1fde251aa74ef501bae3_JaffaCakes118.exe
Size

84KB
MD5

f9edce2c3e8e1fde251aa74ef501bae3
SHA1

e379bf3fb40b59028359b27deeb985b05211d76b
SHA256

15cbc1faf58ae12ad49c620d23a8e159d4940fb31e09b5c751e9599eff4e451a
SHA512

48866ee2c95b7c9870ebe06bf695a8b2e9fa4b5fd308c9d647c3234017ad804cc488d13c183e1aeedc87f6bfd260ba850bac89bcfb1cac0cb261884187315ef1
SSDEEP

1536:s9Z3KcR4mjD9r8226+d9Z3KcR4mjD9r8226+usKsG2PLnI:sr3KcWmjRrzSdr3KcWmjRrzSxJjnI

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
416	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 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2728-0-0x00000000006C0000-0x00000000006D7000-memory.dmp	upx
behavioral2/files/0x00070000000233ec-8.dat	upx
behavioral2/memory/416-7-0x0000000000730000-0x0000000000747000-memory.dmp	upx
behavioral2/memory/2728-9-0x00000000006C0000-0x00000000006D7000-memory.dmp	upx
behavioral2/files/0x000a00000002332a-12.dat	upx
behavioral2/files/0x00070000000233eb-29.dat	upx
behavioral2/memory/416-32-0x0000000000730000-0x0000000000747000-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"	f9edce2c3e8e1fde251aa74ef501bae3_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	CTS.exe
File created	C:\Windows\CTS.exe	f9edce2c3e8e1fde251aa74ef501bae3_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2728	f9edce2c3e8e1fde251aa74ef501bae3_JaffaCakes118.exe
Token: SeDebugPrivilege	416	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 416	2728	f9edce2c3e8e1fde251aa74ef501bae3_JaffaCakes118.exe	86
PID 2728 wrote to memory of 416	2728	f9edce2c3e8e1fde251aa74ef501bae3_JaffaCakes118.exe	86
PID 2728 wrote to memory of 416	2728	f9edce2c3e8e1fde251aa74ef501bae3_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\f9edce2c3e8e1fde251aa74ef501bae3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f9edce2c3e8e1fde251aa74ef501bae3_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2728
- 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:416

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
392KB

MD5
89f84c142d56760d81daa59a73b8388d

SHA1
9a563888a3421069830093419ce110b1f1a42065

SHA256
75662e7003b7ffa6be15924c7c767fcf4915cd1fe5eea0a9b62a37bfbd944f34

SHA512
9f089cff4e1229e7b8e4f404ed8e336cad4ef694e8d8935b53a153f1c0fb9d542b8926fbbfe4751a047271233a0c5a200849371ad985dbc863c296d7e606c521

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

Filesize
84KB

MD5
decb364031e9b515933f0dea747b3681

SHA1
1a0cb6a47c7c8b367505b268c9758d00d15f52b3

SHA256
44bbec24e69ecff5e7c906af289449d4b0e2b5f425e02a87b1e5af63643c00da

SHA512
fb0749993bbf3d4385f7a07ab9bff82ae9375a9391cd41f27fbe3da9a417e33c2150c2810cab5b5ca80b600be3a79b645e796cf4e422db95f025aa955b959820

Download Submit
C:\Windows\CTS.exe

Filesize
71KB

MD5
57dc894376d6ffbf9af1929bd6688b6c

SHA1
cf5f1891e39142f13d3f007e2957a0d302efafff

SHA256
25001e3946468d3aa0f86f1ae322fb8354fc1c96052227346c41fb12d63fa129

SHA512
922c081df01cdcaef8cf91a484bdfe1c412a5e716aada86b3f3f61e020173cc9bd8318c072eff7f59140687fdaf3a722d62fc4c56891f906797a909da311dab1

Download Submit
memory/416-7-0x0000000000730000-0x0000000000747000-memory.dmp

Filesize
92KB

Download
memory/416-32-0x0000000000730000-0x0000000000747000-memory.dmp

Filesize
92KB

Download
memory/2728-0-0x00000000006C0000-0x00000000006D7000-memory.dmp

Filesize
92KB

Download
memory/2728-9-0x00000000006C0000-0x00000000006D7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads