cf6ce04918f2a7ff5a352134145f6ffc0d1c28033cd342237b94089bafd9292d

Analysis

max time kernel
141s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
24/12/2023, 18:32

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General

Target

0c1a7a5faa0487abdb5f88fc26a89ae0.exe
Size

30KB
MD5

0c1a7a5faa0487abdb5f88fc26a89ae0
SHA1

93f280ac59cd3757d5f0b09b69107eb7c2a71e77
SHA256

cf6ce04918f2a7ff5a352134145f6ffc0d1c28033cd342237b94089bafd9292d
SHA512

f7d6b7d021b89bd5f695e7d13560e80faadea91fafdaef5ef39323dd509abfdf5188dcbf644c68ad0245bbe00a4e8e1876ce7c9870da0c6f6e35bef90b126ff1
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEF8Rv:SKcR4mjD9r823F8Rv

Score

7^/10

persistence spyware stealer upx

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

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3068-0-0x0000000000FA0000-0x0000000000FB7000-memory.dmp	upx
behavioral1/memory/3068-8-0x0000000000FA0000-0x0000000000FB7000-memory.dmp	upx
behavioral1/memory/3068-9-0x0000000000070000-0x0000000000087000-memory.dmp	upx
behavioral1/memory/2116-12-0x0000000000AB0000-0x0000000000AC7000-memory.dmp	upx
behavioral1/files/0x000b00000001494f-11.dat	upx
behavioral1/files/0x000b000000012262-14.dat	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"	0c1a7a5faa0487abdb5f88fc26a89ae0.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	0c1a7a5faa0487abdb5f88fc26a89ae0.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3068	0c1a7a5faa0487abdb5f88fc26a89ae0.exe
Token: SeDebugPrivilege	2116	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 2116	3068	0c1a7a5faa0487abdb5f88fc26a89ae0.exe	28
PID 3068 wrote to memory of 2116	3068	0c1a7a5faa0487abdb5f88fc26a89ae0.exe	28
PID 3068 wrote to memory of 2116	3068	0c1a7a5faa0487abdb5f88fc26a89ae0.exe	28
PID 3068 wrote to memory of 2116	3068	0c1a7a5faa0487abdb5f88fc26a89ae0.exe	28

C:\Users\Admin\AppData\Local\Temp\0c1a7a5faa0487abdb5f88fc26a89ae0.exe
"C:\Users\Admin\AppData\Local\Temp\0c1a7a5faa0487abdb5f88fc26a89ae0.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3068
- 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

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\aGSKKUJl8c2WdFB.exe

Filesize
30KB

MD5
47650980f897ce4562e2ad60792dc6de

SHA1
684dba39921f18f193f08387c8b89369189286b2

SHA256
eb12a93520466f28a3fc2fb9f5cd09dfe83968e5ae3691c47193f57d3bd9ace2

SHA512
7edaa089e9dc51c12072eae1983afb5e81e4ad01832e42ffd978faebb827c3471640d764ab769ff7ec943007db05a15f40d3accaa99147334bfd776e777fbc72

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/2116-12-0x0000000000AB0000-0x0000000000AC7000-memory.dmp

Filesize
92KB

Download
memory/3068-0-0x0000000000FA0000-0x0000000000FB7000-memory.dmp

Filesize
92KB

Download
memory/3068-8-0x0000000000FA0000-0x0000000000FB7000-memory.dmp

Filesize
92KB

Download
memory/3068-9-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download
memory/3068-18-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads