e0c939e9af8698d0d3722a3ae74daedd603a31d6297ab2d4ffb5d15699fb8760

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
18/04/2024, 22:31

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General

Target

f8e3bead9e3d4a19c4a750a4aa5901c8_JaffaCakes118.exe
Size

59KB
MD5

f8e3bead9e3d4a19c4a750a4aa5901c8
SHA1

2ba27082b68e3dda4c0b323055bf90e064689281
SHA256

e0c939e9af8698d0d3722a3ae74daedd603a31d6297ab2d4ffb5d15699fb8760
SHA512

82d5aba5d5751128ec21976567f4d8b82278223b4118521943fc6a8ace48c7230db328b9d3bc3d14ff6d08f746b96397b2ee0820add21a5eb70b84d169d0a458
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFGocAX3LKew369lp2z3e:SKcR4mjD9r823FHKcR4mjD9r823F/

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3928	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/4884-0-0x0000000000E40000-0x0000000000E57000-memory.dmp	upx
behavioral2/files/0x00070000000233da-8.dat	upx
behavioral2/memory/4884-7-0x0000000000E40000-0x0000000000E57000-memory.dmp	upx
behavioral2/memory/3928-9-0x0000000000130000-0x0000000000147000-memory.dmp	upx
behavioral2/files/0x0009000000023354-12.dat	upx
behavioral2/files/0x00070000000233d9-29.dat	upx
behavioral2/memory/3928-32-0x0000000000130000-0x0000000000147000-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"	f8e3bead9e3d4a19c4a750a4aa5901c8_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	f8e3bead9e3d4a19c4a750a4aa5901c8_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4884	f8e3bead9e3d4a19c4a750a4aa5901c8_JaffaCakes118.exe
Token: SeDebugPrivilege	3928	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4884 wrote to memory of 3928	4884	f8e3bead9e3d4a19c4a750a4aa5901c8_JaffaCakes118.exe	85
PID 4884 wrote to memory of 3928	4884	f8e3bead9e3d4a19c4a750a4aa5901c8_JaffaCakes118.exe	85
PID 4884 wrote to memory of 3928	4884	f8e3bead9e3d4a19c4a750a4aa5901c8_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\f8e3bead9e3d4a19c4a750a4aa5901c8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f8e3bead9e3d4a19c4a750a4aa5901c8_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4884
- 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:3928

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
382KB

MD5
9b16e34f791912c89fff359c1d34a5f8

SHA1
ac3133d964159b7e98fe7ed4f1ea411c0347e3c2

SHA256
6d6e28c7f3f6c035f3f345f8ba0c82108c7dfa7ffa159e9864d8f28c55f387fd

SHA512
724f3f15dfe72f031d93858a9fce52de546215f0c88e46dc4d2d1d56a9f452ea5e7f2db44ef2ad30e47d39408d03f24c858feb25234ccb54d3720993b5079465

Download Submit
C:\Users\Admin\AppData\Local\Temp\BMIHRZ7TUUjkIJc.exe

Filesize
59KB

MD5
6f3adf699d9c26945cc683e147176c56

SHA1
4f698e421896a5434c33442b851e1c9b14ccdead

SHA256
7d3cd3f1e54223d51bfaa9571a11090af5bbcddb650c74a590e22543333af3d5

SHA512
aeca48f91ea77c10c46399fffd6c6095d30c8fce5f285835f3d668183bc0fb8e3f47be58970b2c328aa50c1da9bfa39c0200db7f53fe1b3e3c39680b1b98d392

Download Submit
C:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
memory/3928-9-0x0000000000130000-0x0000000000147000-memory.dmp

Filesize
92KB

Download
memory/3928-32-0x0000000000130000-0x0000000000147000-memory.dmp

Filesize
92KB

Download
memory/4884-0-0x0000000000E40000-0x0000000000E57000-memory.dmp

Filesize
92KB

Download
memory/4884-7-0x0000000000E40000-0x0000000000E57000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads