23af361d0588891485dc5dc104585b7a83ad955356fe63c93c211c1cd8fec98c

Analysis

max time kernel
141s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
09/01/2024, 12:05

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General

Target

4e423d0cbe374c2ab34736cea45a6278.exe
Size

29KB
MD5

4e423d0cbe374c2ab34736cea45a6278
SHA1

bdf6d538cf59b1558aa998060da35234ecea9f13
SHA256

23af361d0588891485dc5dc104585b7a83ad955356fe63c93c211c1cd8fec98c
SHA512

c8f888abce514766ccc398a9d31b9638e582e56702358170ecd5a93abf9a372b744f02f1d80685268cea8bb676fbdbb5f8f4936c793f7ff2f94076777890fc12
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFp:SKcR4mjD9r823Fp

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2772	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 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1380-0-0x00000000001F0000-0x0000000000207000-memory.dmp	upx
behavioral1/files/0x000a000000012251-10.dat	upx
behavioral1/memory/2772-12-0x0000000000AB0000-0x0000000000AC7000-memory.dmp	upx
behavioral1/memory/1380-8-0x00000000001F0000-0x0000000000207000-memory.dmp	upx
behavioral1/files/0x00090000000120e1-15.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"	4e423d0cbe374c2ab34736cea45a6278.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	4e423d0cbe374c2ab34736cea45a6278.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1380	4e423d0cbe374c2ab34736cea45a6278.exe
Token: SeDebugPrivilege	2772	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1380 wrote to memory of 2772	1380	4e423d0cbe374c2ab34736cea45a6278.exe	28
PID 1380 wrote to memory of 2772	1380	4e423d0cbe374c2ab34736cea45a6278.exe	28
PID 1380 wrote to memory of 2772	1380	4e423d0cbe374c2ab34736cea45a6278.exe	28
PID 1380 wrote to memory of 2772	1380	4e423d0cbe374c2ab34736cea45a6278.exe	28

C:\Users\Admin\AppData\Local\Temp\4e423d0cbe374c2ab34736cea45a6278.exe
"C:\Users\Admin\AppData\Local\Temp\4e423d0cbe374c2ab34736cea45a6278.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1380
- 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:2772

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\CAMlcmpRKZLpMJb.exe

Filesize
29KB

MD5
61264f6f80a0061cb5d08f654753d8b6

SHA1
14feb5a7361355dc9dcbf9f4f657447ecd89675d

SHA256
e858aabc446964c11c769c2f6453cb07a9b417a04b73e62c27d6f061ea257c59

SHA512
8ac5c14c4b67d75a91a36c66b7c37875872cc2ee723fbb06852f96482ce8a74b6c7a414f831e70a3af873cc2a1a613e4ee1ea3ba7f2a23ba1108e0e9874e50ba

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/1380-0-0x00000000001F0000-0x0000000000207000-memory.dmp

Filesize
92KB

Download
memory/1380-9-0x0000000000170000-0x0000000000187000-memory.dmp

Filesize
92KB

Download
memory/1380-8-0x00000000001F0000-0x0000000000207000-memory.dmp

Filesize
92KB

Download
memory/2772-12-0x0000000000AB0000-0x0000000000AC7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads