5b8f4cb6058e9c245b6d0709ebf48e0eaf9289076183cf619fd628678ec4fbbf

Analysis

max time kernel
144s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
24-04-2024 22:08

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General

Target

5b8f4cb6058e9c245b6d0709ebf48e0eaf9289076183cf619fd628678ec4fbbf.exe
Size

71KB
MD5

3ed7fbee4ec55edf51a426a7765fe92e
SHA1

55f85989cc302613195bfcf4741addf4684f182e
SHA256

5b8f4cb6058e9c245b6d0709ebf48e0eaf9289076183cf619fd628678ec4fbbf
SHA512

9852e7602e32f1e60e4fb5bb3269c9dbdb45d82d7d8a0a8b002385a42f2f83581a52c36ff5175d8b55dacd9a4e25813784b991031a37e85494a9b7a55d0c3031
SSDEEP

1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTe:ZRpAyazIliazTe

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2116	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

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"	5b8f4cb6058e9c245b6d0709ebf48e0eaf9289076183cf619fd628678ec4fbbf.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	5b8f4cb6058e9c245b6d0709ebf48e0eaf9289076183cf619fd628678ec4fbbf.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2332	5b8f4cb6058e9c245b6d0709ebf48e0eaf9289076183cf619fd628678ec4fbbf.exe
Token: SeDebugPrivilege	2116	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 2116	2332	5b8f4cb6058e9c245b6d0709ebf48e0eaf9289076183cf619fd628678ec4fbbf.exe	90
PID 2332 wrote to memory of 2116	2332	5b8f4cb6058e9c245b6d0709ebf48e0eaf9289076183cf619fd628678ec4fbbf.exe	90
PID 2332 wrote to memory of 2116	2332	5b8f4cb6058e9c245b6d0709ebf48e0eaf9289076183cf619fd628678ec4fbbf.exe	90

C:\Users\Admin\AppData\Local\Temp\5b8f4cb6058e9c245b6d0709ebf48e0eaf9289076183cf619fd628678ec4fbbf.exe
"C:\Users\Admin\AppData\Local\Temp\5b8f4cb6058e9c245b6d0709ebf48e0eaf9289076183cf619fd628678ec4fbbf.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2332
- 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:2116

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4048 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
1⤵
PID:4892

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

Replay Monitor

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Downloads

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

Filesize
789KB

MD5
ba694a6a5147acd7f8694c562cc0e5e8

SHA1
23bdd5330be20d7ea486548ec52a649bcbd3a4f3

SHA256
5e0ee3fb6990a88ff34d2e15a7255631d14e7552191a0c8982831035e11251be

SHA512
d4e0b3dd971e3a4140ca1f5d17fe540b35bd96d8ca4ec2a9735745ff65d736f6bbeeabf22ef8f1ede95cc59c9f64cc418fb27aacd540458ac4804a53e4081b60

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C:\Users\Admin\AppData\Local\Temp\4A6b5OD4kpLjzdo.exe

Filesize
71KB

MD5
9b0674b4d23371e7e9e56c94d089bc15

SHA1
81f8a1e81794c71bb9708c5d29112e7c406f3142

SHA256
44b441ad515815c62291a8ce7b0365753d7eee165bcc91e9246d4c4bbd4812d0

SHA512
d06c1b1082ba3be39da9b441921bc3f188db7c707d2940869f73da4ec64c6464f3266ab35875da764b70fd6b8f51cc49a39e6f532aacb1db86c64749f3602e67

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C:\Windows\CTS.exe

Filesize
71KB

MD5
f9d4ab0a726adc9b5e4b7d7b724912f1

SHA1
3d42ca2098475924f70ee4a831c4f003b4682328

SHA256
b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc

SHA512
22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads