833b77d28c8a3464e4a4f9456237a5fc041b1b8477768e64d4c73ec0634198d6

Analysis

max time kernel
143s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
11-10-2023 22:18

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General

Target

1afd71884b7460bd5edbd2496bb8739e_JC.exe
Size

74KB
MD5

1afd71884b7460bd5edbd2496bb8739e
SHA1

d9d0eb4e176261ab2e9e353c8f209c0d0a3098c0
SHA256

833b77d28c8a3464e4a4f9456237a5fc041b1b8477768e64d4c73ec0634198d6
SHA512

a4940f6aa7d2ed931ab5e6d80dbae0243549e8a33e7ff9e2ce898951bc29741fa175868b3b1e391daaafda4a2f6c44ea2c984348f44d901fcd91ba55c551fa42
SSDEEP

1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlDuazTsj:ZRpAyazIlyazTsj

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4260	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"	1afd71884b7460bd5edbd2496bb8739e_JC.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	1afd71884b7460bd5edbd2496bb8739e_JC.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1548	1afd71884b7460bd5edbd2496bb8739e_JC.exe
Token: SeDebugPrivilege	4260	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 4260	1548	1afd71884b7460bd5edbd2496bb8739e_JC.exe	86
PID 1548 wrote to memory of 4260	1548	1afd71884b7460bd5edbd2496bb8739e_JC.exe	86
PID 1548 wrote to memory of 4260	1548	1afd71884b7460bd5edbd2496bb8739e_JC.exe	86

C:\Users\Admin\AppData\Local\Temp\1afd71884b7460bd5edbd2496bb8739e_JC.exe
"C:\Users\Admin\AppData\Local\Temp\1afd71884b7460bd5edbd2496bb8739e_JC.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1548
- 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:4260

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
393KB

MD5
539a141d2af8788893087496cb48bc32

SHA1
ef8ebaac9906ca2e3d2994423da89bc2866487a1

SHA256
6a4f4b53fc29c1ccf14d3863bc69b897f570fdefa3c321e429bcdf1eb0b4020d

SHA512
22f578ebaaf6cf2998097d28e8b48d3aaecf8a0c2584bd3e9691506a35cd4698e4ea7d9837e4c221206d74b971bfff3be3f319060bfd8e403d0c5b1b83c073a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\yYbw3XqmglXpHLG.exe

Filesize
74KB

MD5
0ee0cba376829afdb6b902d014e5538d

SHA1
92a1102c863a3646311fb33c2a34eecb3eefc2ce

SHA256
4f65699c4c851da50cec47248d00dd4943370cb7191164fb7274fe39201f8bfb

SHA512
885756722a13e300c4343bc842201ae725bf23d5cd15b1a81b5e136e9f1b9fd94fa60fcb3b4f4226f91b4238df500d8e0e3d76d75041a39ffee3d9facf3d43f6

Download Submit
C:\Windows\CTS.exe

Filesize
71KB

MD5
f60519a4b9abe303feb4b5b3666a551e

SHA1
d5bb38474958a5f51fb74886482fa44e873898f5

SHA256
6be608cffb5de883843e26f17b767ebf3e0a7fe41137460b32490bcec58e382d

SHA512
3f5f479628de5e4c7911e3730062ac672f721cc513218f38193bfc9426f7fa988b97c9d315689f1b90f15805760b1b284fe4e5ef65fdf482014942f07b1e1bd7

Download Submit
C:\Windows\CTS.exe

Filesize
71KB

MD5
f60519a4b9abe303feb4b5b3666a551e

SHA1
d5bb38474958a5f51fb74886482fa44e873898f5

SHA256
6be608cffb5de883843e26f17b767ebf3e0a7fe41137460b32490bcec58e382d

SHA512
3f5f479628de5e4c7911e3730062ac672f721cc513218f38193bfc9426f7fa988b97c9d315689f1b90f15805760b1b284fe4e5ef65fdf482014942f07b1e1bd7

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads