037d427859198e75ea4c0a680e9e359ffafb6e250de4d846982baeff365e983e

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
19/01/2024, 15:04

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General

Target

67eb8f9a4913d4518d1d41f5fe5d4ba8.exe
Size

30KB
MD5

67eb8f9a4913d4518d1d41f5fe5d4ba8
SHA1

0f9f20b78a794840bbed00f3468325b69c63300c
SHA256

037d427859198e75ea4c0a680e9e359ffafb6e250de4d846982baeff365e983e
SHA512

615a79925c1fe75838aac79f4244484c01fb5dd6c0dda0f91025946307fef0fa1cc5396447807f99aca4868ab30429874379fa8b3011149ccf4d24e8dd711340
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEF4:SKcR4mjD9r823F4

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2352	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/2304-0-0x00000000000A0000-0x00000000000B7000-memory.dmp	upx
behavioral1/memory/2304-8-0x00000000000A0000-0x00000000000B7000-memory.dmp	upx
behavioral1/files/0x000b000000012266-7.dat	upx
behavioral1/memory/2352-12-0x0000000000980000-0x0000000000997000-memory.dmp	upx
behavioral1/files/0x0008000000012223-14.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"	67eb8f9a4913d4518d1d41f5fe5d4ba8.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	67eb8f9a4913d4518d1d41f5fe5d4ba8.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2304	67eb8f9a4913d4518d1d41f5fe5d4ba8.exe
Token: SeDebugPrivilege	2352	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 2352	2304	67eb8f9a4913d4518d1d41f5fe5d4ba8.exe	28
PID 2304 wrote to memory of 2352	2304	67eb8f9a4913d4518d1d41f5fe5d4ba8.exe	28
PID 2304 wrote to memory of 2352	2304	67eb8f9a4913d4518d1d41f5fe5d4ba8.exe	28
PID 2304 wrote to memory of 2352	2304	67eb8f9a4913d4518d1d41f5fe5d4ba8.exe	28

C:\Users\Admin\AppData\Local\Temp\67eb8f9a4913d4518d1d41f5fe5d4ba8.exe
"C:\Users\Admin\AppData\Local\Temp\67eb8f9a4913d4518d1d41f5fe5d4ba8.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2304
- 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:2352

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\HijoMx2mJDmshPp.exe

Filesize
30KB

MD5
91474d8d46d1d01cdd0ee5237e2e3009

SHA1
63b231b9affd48be40748f98bcff3727c9632b63

SHA256
fb9d2d1e854acdb5a7707c0989d7267667f496236db52f87aa65d3dded9ceb33

SHA512
bf7fe07457c3759a587d68f09540a67a5fb32283eb0ac314dd8b3b29b3c981d1b4aabc16d6839a166519d7ffcb93556a67536b8407c21500c68dab9265d7ae46

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/2304-0-0x00000000000A0000-0x00000000000B7000-memory.dmp

Filesize
92KB

Download
memory/2304-8-0x00000000000A0000-0x00000000000B7000-memory.dmp

Filesize
92KB

Download
memory/2304-11-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download
memory/2304-18-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download
memory/2352-12-0x0000000000980000-0x0000000000997000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads