8e82649853bae41912168606452d8881d2095e5a909b8939b330e8c83c729dc6

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-01-2024 17:22

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General

Target

7514b8f5bcd1dca9d8809682c711819a.exe
Size

29KB
MD5

7514b8f5bcd1dca9d8809682c711819a
SHA1

7b0ec2a9add10046be011e3799de47ef85eeb091
SHA256

8e82649853bae41912168606452d8881d2095e5a909b8939b330e8c83c729dc6
SHA512

a9dd996007881d7458f7b9216c900331931eda8d652a7a9d48518fb8a49b6b02c1fbad958abe4a859df7dbc609f4f737198052c071f25d45397ec4c7a764c7e0
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFA:SKcR4mjD9r823FA

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1644	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/2164-0-0x0000000000CF0000-0x0000000000D07000-memory.dmp	upx
behavioral1/files/0x000d000000012321-10.dat	upx
behavioral1/memory/1644-12-0x0000000000EF0000-0x0000000000F07000-memory.dmp	upx
behavioral1/memory/2164-8-0x0000000000CF0000-0x0000000000D07000-memory.dmp	upx
behavioral1/files/0x000d000000012251-14.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"	7514b8f5bcd1dca9d8809682c711819a.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	7514b8f5bcd1dca9d8809682c711819a.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2164	7514b8f5bcd1dca9d8809682c711819a.exe
Token: SeDebugPrivilege	1644	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 1644	2164	7514b8f5bcd1dca9d8809682c711819a.exe	29
PID 2164 wrote to memory of 1644	2164	7514b8f5bcd1dca9d8809682c711819a.exe	29
PID 2164 wrote to memory of 1644	2164	7514b8f5bcd1dca9d8809682c711819a.exe	29
PID 2164 wrote to memory of 1644	2164	7514b8f5bcd1dca9d8809682c711819a.exe	29

C:\Users\Admin\AppData\Local\Temp\7514b8f5bcd1dca9d8809682c711819a.exe
"C:\Users\Admin\AppData\Local\Temp\7514b8f5bcd1dca9d8809682c711819a.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2164
- 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:1644

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\vMnKYcXqgFCD892.exe

Filesize
29KB

MD5
0da65c7ae112e004114fa166e0e3c3f3

SHA1
f735e6e199f483b87e99ffa03009d864d6730d1b

SHA256
390eee8121287febb5fe71d97eb9fbc05b02219fe1bd5fa8ca706efd13c150de

SHA512
8c23213f2cc0552d4203b7fc25b7e4cb9f033808de7bac8ad0225255a29b68fc50e0adbba915e9accaf86e224add42f430442806f75f331ee71476a246cbc24e

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/1644-12-0x0000000000EF0000-0x0000000000F07000-memory.dmp

Filesize
92KB

Download
memory/2164-0-0x0000000000CF0000-0x0000000000D07000-memory.dmp

Filesize
92KB

Download
memory/2164-11-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download
memory/2164-8-0x0000000000CF0000-0x0000000000D07000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads