101709ca246d0ef5a9dad2f4fcaadc6325f122563636e340ebe692f5c3c7f371

Analysis

max time kernel
1501s
max time network
1499s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
25-04-2024 14:40

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General

Target

29d7ce5a27c3b1f26db84d5c6e0ae0899c3bf7bc1c345ac89cfb38c7e7baba53.exe
Size

595KB
MD5

f104e0cddd5679a3ffa2a3b5ee70eefe
SHA1

1a2e827e24bc502f2e041c23ddf64abc438b7e77
SHA256

29d7ce5a27c3b1f26db84d5c6e0ae0899c3bf7bc1c345ac89cfb38c7e7baba53
SHA512

74f9ff60c358653ccf1f97c2a82ee59ca43685c34a67d0d9936355ec45964556336a9a034276471d85b49c802a4af3becbf9e750094c9fa8abe50f0aff15eae5
SSDEEP

12288:hS0bPOw7r916Bd9nBedIoomaUu56GNIZTTN6VnRMfuQnjd6j:DZ516D9n/mar56G+T4Z6fuQnjEj

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

2mrfdQcyVLfQR2Z.exeCTS.exe

pid process

4408 2mrfdQcyVLfQR2Z.exe
3684 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

pid	process
4408	2mrfdQcyVLfQR2Z.exe
3684	CTS.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

CTS.exe29d7ce5a27c3b1f26db84d5c6e0ae0899c3bf7bc1c345ac89cfb38c7e7baba53.exe

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"	29d7ce5a27c3b1f26db84d5c6e0ae0899c3bf7bc1c345ac89cfb38c7e7baba53.exe

Drops file in Windows directory 2 IoCs

Processes:

29d7ce5a27c3b1f26db84d5c6e0ae0899c3bf7bc1c345ac89cfb38c7e7baba53.exeCTS.exe

description	ioc	process
File created	C:\Windows\CTS.exe	29d7ce5a27c3b1f26db84d5c6e0ae0899c3bf7bc1c345ac89cfb38c7e7baba53.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

29d7ce5a27c3b1f26db84d5c6e0ae0899c3bf7bc1c345ac89cfb38c7e7baba53.exeCTS.exe

description	pid	process
Token: SeDebugPrivilege	2552	29d7ce5a27c3b1f26db84d5c6e0ae0899c3bf7bc1c345ac89cfb38c7e7baba53.exe
Token: SeDebugPrivilege	3684	CTS.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

29d7ce5a27c3b1f26db84d5c6e0ae0899c3bf7bc1c345ac89cfb38c7e7baba53.exe

description	pid	process	target process
PID 2552 wrote to memory of 4408	2552	29d7ce5a27c3b1f26db84d5c6e0ae0899c3bf7bc1c345ac89cfb38c7e7baba53.exe	2mrfdQcyVLfQR2Z.exe
PID 2552 wrote to memory of 4408	2552	29d7ce5a27c3b1f26db84d5c6e0ae0899c3bf7bc1c345ac89cfb38c7e7baba53.exe	2mrfdQcyVLfQR2Z.exe
PID 2552 wrote to memory of 3684	2552	29d7ce5a27c3b1f26db84d5c6e0ae0899c3bf7bc1c345ac89cfb38c7e7baba53.exe	CTS.exe
PID 2552 wrote to memory of 3684	2552	29d7ce5a27c3b1f26db84d5c6e0ae0899c3bf7bc1c345ac89cfb38c7e7baba53.exe	CTS.exe
PID 2552 wrote to memory of 3684	2552	29d7ce5a27c3b1f26db84d5c6e0ae0899c3bf7bc1c345ac89cfb38c7e7baba53.exe	CTS.exe

C:\Users\Admin\AppData\Local\Temp\29d7ce5a27c3b1f26db84d5c6e0ae0899c3bf7bc1c345ac89cfb38c7e7baba53.exe
"C:\Users\Admin\AppData\Local\Temp\29d7ce5a27c3b1f26db84d5c6e0ae0899c3bf7bc1c345ac89cfb38c7e7baba53.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2552

C:\Users\Admin\AppData\Local\Temp\2mrfdQcyVLfQR2Z.exe
C:\Users\Admin\AppData\Local\Temp\2mrfdQcyVLfQR2Z.exe
2⤵
- Executes dropped EXE
PID:4408

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:3684

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
Filesize
394KB

MD5
d5f803cb4e579d06d5784c94ee59ab2f

SHA1
3edeff96889e1fcf7decc7679480e5e16ebba783

SHA256
b1a1f05dd5a942e18cc3cae23cfa4eaeb7f9be20b1d2ab9aa15358ba00c73bee

SHA512
ee406112cf12b2abe0929315be4f627b4edc396acbdffd22f9dcc474e4bf6cc7976aef2489bc59ae65ae81931d17b0587b31613f03ad12125b040b9db84ce311

Download Submit
C:\Users\Admin\AppData\Local\Temp\2mrfdQcyVLfQR2Z.exe
Filesize
595KB

MD5
f2ee0f110baa9b0da39231b26ad59ca5

SHA1
9b2987e5bedd969147864e7c9b5ee960ae48c3f1

SHA256
21685e04291c0d2e4455d44a5340a15bd65ae86b6c4dc5c2e8ebc9ba56eee67d

SHA512
e40ad1455c948af77718e3e2a3bab983ad37ff8151a1b3116464ab02252ae2cd34ceaed91adb5273873bdb76b68ba7e87c7857be90f39193777da0018dd9f90b

Download Submit
C:\Users\Admin\AppData\Local\Temp\2mrfdQcyVLfQR2Z.exe
Filesize
524KB

MD5
645d5875c0ce2052d93943c62238a06e

SHA1
38c00dfaa6e0192e1157212d5baf42a8db869776

SHA256
66ef54018ef1207394bef76bcb0411f2fbbedd6230a812026bf8f1710218dbf9

SHA512
eb9654b527ddc15fae042ef6fa6b8a25f76c2fc21314abd1d629bac5066cfa11d9f3c1191150dc7784b20e5e47c4855ab97d34fadf904989a7a43ccd626949fe

Download Submit
C:\Windows\CTS.exe
Filesize
71KB

MD5
66df4ffab62e674af2e75b163563fc0b

SHA1
dec8a197312e41eeb3cfef01cb2a443f0205cd6e

SHA256
075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163

SHA512
1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25

Download Submit