4b866c0a0aeab3437da74d8ad1e2b6aafe8fde21e14e3d1dad99a04b4bc9232e

Analysis

max time kernel
141s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06/04/2024, 11:30

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General

Target

e270c05eb22ebacacff2b608e1f4e3e0_JaffaCakes118.exe
Size

59KB
MD5

e270c05eb22ebacacff2b608e1f4e3e0
SHA1

58dad8e4f90cfab8d62ebf86a9b420e8a6248bb5
SHA256

4b866c0a0aeab3437da74d8ad1e2b6aafe8fde21e14e3d1dad99a04b4bc9232e
SHA512

a5274fe2a832eff17fe6fd1844b0cac7e5f51e488967df6998e597b8a8f7befb1e04a977396c6425861f908b60b2725d12d761314d8a4fdb258ff593ec9583d5
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFGocAX3LKew369lp2z3I:SKcR4mjD9r823FHKcR4mjD9r823Fl

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2204	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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1044-0-0x0000000000A30000-0x0000000000A47000-memory.dmp	upx
behavioral1/files/0x00040000000130fc-13.dat	upx
behavioral1/memory/2204-12-0x00000000003A0000-0x00000000003B7000-memory.dmp	upx
behavioral1/memory/1044-9-0x0000000000A30000-0x0000000000A47000-memory.dmp	upx
behavioral1/files/0x000c000000012248-15.dat	upx
behavioral1/memory/2204-17-0x00000000003A0000-0x00000000003B7000-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"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	e270c05eb22ebacacff2b608e1f4e3e0_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	e270c05eb22ebacacff2b608e1f4e3e0_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1044	e270c05eb22ebacacff2b608e1f4e3e0_JaffaCakes118.exe
Token: SeDebugPrivilege	2204	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 2204	1044	e270c05eb22ebacacff2b608e1f4e3e0_JaffaCakes118.exe	28
PID 1044 wrote to memory of 2204	1044	e270c05eb22ebacacff2b608e1f4e3e0_JaffaCakes118.exe	28
PID 1044 wrote to memory of 2204	1044	e270c05eb22ebacacff2b608e1f4e3e0_JaffaCakes118.exe	28
PID 1044 wrote to memory of 2204	1044	e270c05eb22ebacacff2b608e1f4e3e0_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\e270c05eb22ebacacff2b608e1f4e3e0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e270c05eb22ebacacff2b608e1f4e3e0_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1044
- 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:2204

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\Temp\MTqnpvoAmdJ6EQV.exe

Filesize
59KB

MD5
25ad11df853da33a07289849f2722345

SHA1
ed78593803345e74a837134395ef3a749921449a

SHA256
b2aa41c24d0b5bd3a4b8f529f4875d9ca41dba58ec80c66e75b52cb220d31145

SHA512
094c4f1587baafeee7ca4745eaf8b1663b412c8ef7d20eb4e7f5c0e2739ed25eb7dff6e67181b8777f0f7c4f5a41e24d29befc1f5ed395c115129b5a55c42d85

Download Submit
C:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
memory/1044-0-0x0000000000A30000-0x0000000000A47000-memory.dmp

Filesize
92KB

Download
memory/1044-5-0x00000000001D0000-0x00000000001E7000-memory.dmp

Filesize
92KB

Download
memory/1044-10-0x00000000001D0000-0x00000000001E7000-memory.dmp

Filesize
92KB

Download
memory/1044-9-0x0000000000A30000-0x0000000000A47000-memory.dmp

Filesize
92KB

Download
memory/2204-12-0x00000000003A0000-0x00000000003B7000-memory.dmp

Filesize
92KB

Download
memory/2204-17-0x00000000003A0000-0x00000000003B7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads