0b045e2dbcc371b3cda3ed893de3bb407aa42e063b86d71e3ef8f3a68ec804d1

Analysis

max time kernel
141s
max time network
109s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
04/05/2024, 20:12

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General

Target

eebc14dc671e8987bfbf8a7324d39c32_JaffaCakes118.exe
Size

52KB
MD5

eebc14dc671e8987bfbf8a7324d39c32
SHA1

31aca267dd6fe314db15eeb0e64f6ce8eb3b7ec1
SHA256

0b045e2dbcc371b3cda3ed893de3bb407aa42e063b86d71e3ef8f3a68ec804d1
SHA512

ab71ae56a7b9219ef8a9ea03dd20d40a8ec369e385b2384dbcee3cd7518339ebcfbd8361c6583928957687e1fcb2bba76545ed4de00106ae1b03864f77913264
SSDEEP

1536:N5VzcfA/6LrVpL74gfh16nHNq5DwhQBlr4suu0Fc/hd:/V2A/gVh74gpgt00h+0Fc/hd

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
924	EINslazR05Bjmfr.exe
4696	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/4760-0-0x00000000005C0000-0x00000000005D8000-memory.dmp	upx
behavioral2/files/0x000c000000023b73-6.dat	upx
behavioral2/memory/4760-9-0x00000000005C0000-0x00000000005D8000-memory.dmp	upx
behavioral2/memory/4696-10-0x0000000000DC0000-0x0000000000DD8000-memory.dmp	upx
behavioral2/files/0x000b0000000162b0-14.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"	eebc14dc671e8987bfbf8a7324d39c32_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	eebc14dc671e8987bfbf8a7324d39c32_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4760	eebc14dc671e8987bfbf8a7324d39c32_JaffaCakes118.exe
Token: SeDebugPrivilege	4696	CTS.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4760 wrote to memory of 924	4760	eebc14dc671e8987bfbf8a7324d39c32_JaffaCakes118.exe	83
PID 4760 wrote to memory of 924	4760	eebc14dc671e8987bfbf8a7324d39c32_JaffaCakes118.exe	83
PID 4760 wrote to memory of 4696	4760	eebc14dc671e8987bfbf8a7324d39c32_JaffaCakes118.exe	84
PID 4760 wrote to memory of 4696	4760	eebc14dc671e8987bfbf8a7324d39c32_JaffaCakes118.exe	84
PID 4760 wrote to memory of 4696	4760	eebc14dc671e8987bfbf8a7324d39c32_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\eebc14dc671e8987bfbf8a7324d39c32_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eebc14dc671e8987bfbf8a7324d39c32_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4760
- C:\Users\Admin\AppData\Local\Temp\EINslazR05Bjmfr.exe
  C:\Users\Admin\AppData\Local\Temp\EINslazR05Bjmfr.exe
  2⤵
  - Executes dropped EXE
  PID:924
- 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:4696

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
350KB

MD5
eece5309a24e944b239a85c2e5724bee

SHA1
e64ca55d6401abe5e36aa08e81b7c782e45c9e74

SHA256
7b0cb9f6eabc643f8ab4b0f6cfc60b8598683424a2e0780b9d6a933feea8f487

SHA512
36967d9300818fcc04b8c74e335bf782ee56d75cb6d7b1d11fef313a7d18157f14390322edb7ec921229fa465f4d12c14179ce4bd9a63b1298d13a961b559a5d

Download Submit
C:\Users\Admin\AppData\Local\Temp\EINslazR05Bjmfr.exe

Filesize
25KB

MD5
abbd49c180a2f8703f6306d6fa731fdc

SHA1
d63f4bfe7f74936b2fbace803e3da6103fbf6586

SHA256
5f411c0bd9ed9a42b0f07ed568c7d0cf358a83063b225a1f8f7da3296dde90f1

SHA512
290dd984acc451b778f3db8c510bae7aec1d9547c3ad0a1829df731c136e4ecc9a37dc6a786cf8f1ecc4d14339aed1288af25055f450f6f953138c8d4d5c36e9

Download Submit
C:\Windows\CTS.exe

Filesize
27KB

MD5
a6749b968461644db5cc0ecceffb224a

SHA1
2795aa37b8586986a34437081351cdd791749a90

SHA256
720023737d7ff700818f55612ba069a609a5ddea646bb3509b615ee3523a4ca2

SHA512
2a276816290746ed914af9cf6427aef31ce9395b8e9937090e329a8f74fb84c62d15b196e13346caa086842b3f5f549b9eb20cbf422d18c9c1b63e6342ea90b4

Download Submit
memory/924-16-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4696-10-0x0000000000DC0000-0x0000000000DD8000-memory.dmp

Filesize
96KB

Download
memory/4760-0-0x00000000005C0000-0x00000000005D8000-memory.dmp

Filesize
96KB

Download
memory/4760-9-0x00000000005C0000-0x00000000005D8000-memory.dmp

Filesize
96KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads