583ff51797d8e0530cd7dd857f08e64ee057d423b184c281e2c1f272cda638ea

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
27-01-2024 17:39

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General

Target

7adc92d0980efd7cb9e3342f16d58047.exe
Size

32KB
MD5

7adc92d0980efd7cb9e3342f16d58047
SHA1

acd8d2d532953ac2e167a4c8419d0a490a098709
SHA256

583ff51797d8e0530cd7dd857f08e64ee057d423b184c281e2c1f272cda638ea
SHA512

5cd99dd2dd9445cea65367eeeb313f2c5e274f883817c6e6a40ead76ce2c193941af356899d402f9ca5e234073103a019c5729816db95a57c8c2556ccc887079
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFoUe:SKcR4mjD9r823FoUe

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2904	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/1080-0-0x0000000000910000-0x0000000000927000-memory.dmp	upx
behavioral1/memory/1080-8-0x0000000000910000-0x0000000000927000-memory.dmp	upx
behavioral1/files/0x0008000000012281-11.dat	upx
behavioral1/memory/2904-12-0x0000000001230000-0x0000000001247000-memory.dmp	upx
behavioral1/files/0x000a000000012263-14.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"	7adc92d0980efd7cb9e3342f16d58047.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	CTS.exe
File created	C:\Windows\CTS.exe	7adc92d0980efd7cb9e3342f16d58047.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1080	7adc92d0980efd7cb9e3342f16d58047.exe
Token: SeDebugPrivilege	2904	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 2904	1080	7adc92d0980efd7cb9e3342f16d58047.exe	28
PID 1080 wrote to memory of 2904	1080	7adc92d0980efd7cb9e3342f16d58047.exe	28
PID 1080 wrote to memory of 2904	1080	7adc92d0980efd7cb9e3342f16d58047.exe	28
PID 1080 wrote to memory of 2904	1080	7adc92d0980efd7cb9e3342f16d58047.exe	28

C:\Users\Admin\AppData\Local\Temp\7adc92d0980efd7cb9e3342f16d58047.exe
"C:\Users\Admin\AppData\Local\Temp\7adc92d0980efd7cb9e3342f16d58047.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1080
- 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:2904

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\oeYoRSquvNVh16V.exe

Filesize
32KB

MD5
85ea6eea036115138c9612d5b68b60ab

SHA1
8d9d45bfb8ba2964de55d4961b12a89bf1d63afd

SHA256
059ec879043db4b0e0aeaf0a89b9a577eb293499319ddc3cb020b22cd6750f13

SHA512
3943c8b13acf8955c033cc2a0f1e7e2473bc033f21bd1e4ddc9f4e253a8c9521dbebffb9dc0f8da23fe1a79934cc2a80b2f83b5bcab04a57f1025547c922d085

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/1080-0-0x0000000000910000-0x0000000000927000-memory.dmp

Filesize
92KB

Download
memory/1080-8-0x0000000000910000-0x0000000000927000-memory.dmp

Filesize
92KB

Download
memory/1080-9-0x00000000000E0000-0x00000000000F7000-memory.dmp

Filesize
92KB

Download
memory/1080-18-0x00000000000E0000-0x00000000000F7000-memory.dmp

Filesize
92KB

Download
memory/2904-12-0x0000000001230000-0x0000000001247000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads