45460745fe79f706f5976da062c2bb7c3c012fccc7fac4f7cfa9266d978af6e2

Analysis

max time kernel
141s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
20/08/2024, 13:41

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General

Target

af73b44525065a11f3f13e9682788617_JaffaCakes118.exe
Size

52KB
MD5

af73b44525065a11f3f13e9682788617
SHA1

04a2be79863ff0af82879b23d6a11dea6d43ca55
SHA256

45460745fe79f706f5976da062c2bb7c3c012fccc7fac4f7cfa9266d978af6e2
SHA512

1b4620581ad8a7c326d57ae217529fadbe4f67333da331e79f3f05f7270b876fd5885287980e2826223629abed46dd3e924288bd8dfb7fabc977c750a3003097
SSDEEP

1536:s9Z3KcR4mjD9r8226+cnwWWwqWI6CkzY4oj3U:sr3KcWmjRrzSXWWbWIWZoj3U

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2420	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
behavioral1/memory/1304-0-0x0000000000E90000-0x0000000000EA7000-memory.dmp	upx
behavioral1/files/0x000900000001756a-7.dat	upx
behavioral1/memory/2420-12-0x0000000000250000-0x0000000000267000-memory.dmp	upx
behavioral1/memory/1304-9-0x0000000000E90000-0x0000000000EA7000-memory.dmp	upx
behavioral1/files/0x000700000001211b-14.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"	af73b44525065a11f3f13e9682788617_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	af73b44525065a11f3f13e9682788617_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	af73b44525065a11f3f13e9682788617_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1304	af73b44525065a11f3f13e9682788617_JaffaCakes118.exe
Token: SeDebugPrivilege	2420	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1304 wrote to memory of 2420	1304	af73b44525065a11f3f13e9682788617_JaffaCakes118.exe	30
PID 1304 wrote to memory of 2420	1304	af73b44525065a11f3f13e9682788617_JaffaCakes118.exe	30
PID 1304 wrote to memory of 2420	1304	af73b44525065a11f3f13e9682788617_JaffaCakes118.exe	30
PID 1304 wrote to memory of 2420	1304	af73b44525065a11f3f13e9682788617_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\af73b44525065a11f3f13e9682788617_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\af73b44525065a11f3f13e9682788617_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:1304
- 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:2420

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\nTcvCysSW7P2lSk.exe

Filesize
52KB

MD5
39d3823441497e8b323c47dcc7edb752

SHA1
4d9b09bf77534e8b2f296f846ebc4423f3cf0ca5

SHA256
8e9f92cff900506efe77946fbd805cc3767ccd1a0d1ca189e83481ac2beb3bb9

SHA512
62d752a68cdab1834c3ff518ea252b8e2db94e2883c7d8e1bb90b9ea7f228abcdc9ea0442c246da448bd407573d2838b2ef50a19ac46b6c62c2a788e332ffa19

Download Submit
C:\Windows\CTS.exe

Filesize
35KB

MD5
93e5f18caebd8d4a2c893e40e5f38232

SHA1
fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

SHA256
a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

SHA512
986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

Download Submit
memory/1304-0-0x0000000000E90000-0x0000000000EA7000-memory.dmp

Filesize
92KB

Download
memory/1304-9-0x0000000000E90000-0x0000000000EA7000-memory.dmp

Filesize
92KB

Download
memory/2420-12-0x0000000000250000-0x0000000000267000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads