a433a21540ab88742c169376861e25ba964bfb98f3d597424cd2025c7c584598

Analysis

max time kernel
140s
max time network
118s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
12/01/2024, 10:04

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General

Target

56288214bced74a336f17d269ef537c5.exe
Size

59KB
MD5

56288214bced74a336f17d269ef537c5
SHA1

2ee0bd955b6c3a691bfd512872cb663eb976d238
SHA256

a433a21540ab88742c169376861e25ba964bfb98f3d597424cd2025c7c584598
SHA512

10aaee2b19d7d98398a7331e3ece949f95b6ca476b711f600ce8536b8a3816946aefb7579902b5e9eb11d0e7a936722e408673af0d3f471d631066540726a492
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFGocAX3LKew369lp2z3c:SKcR4mjD9r823FHKcR4mjD9r823FvV

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1796	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/2212-0-0x0000000001030000-0x0000000001047000-memory.dmp	upx
behavioral1/files/0x000d000000012325-10.dat	upx
behavioral1/memory/1796-12-0x0000000000FC0000-0x0000000000FD7000-memory.dmp	upx
behavioral1/memory/2212-8-0x0000000001030000-0x0000000001047000-memory.dmp	upx
behavioral1/files/0x000d00000001224c-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"	56288214bced74a336f17d269ef537c5.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	56288214bced74a336f17d269ef537c5.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2212	56288214bced74a336f17d269ef537c5.exe
Token: SeDebugPrivilege	1796	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 1796	2212	56288214bced74a336f17d269ef537c5.exe	28
PID 2212 wrote to memory of 1796	2212	56288214bced74a336f17d269ef537c5.exe	28
PID 2212 wrote to memory of 1796	2212	56288214bced74a336f17d269ef537c5.exe	28
PID 2212 wrote to memory of 1796	2212	56288214bced74a336f17d269ef537c5.exe	28

C:\Users\Admin\AppData\Local\Temp\56288214bced74a336f17d269ef537c5.exe
"C:\Users\Admin\AppData\Local\Temp\56288214bced74a336f17d269ef537c5.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2212
- 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:1796

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\UvhFkYHzG1bwkN7.exe

Filesize
59KB

MD5
74f4fed22ece4d7389d2e3a9d1e2685e

SHA1
e12ce1865d94cf164c0f31c2a9010ccbb132480e

SHA256
9bed86f92245bcee301e435538e0f704677848df5779966c3ba676b97aa4a291

SHA512
f5397000a15624afbacf984e8445e00cee2fab1bf25ad3d9e3a3da6fcfb533763e37d96795c68eac3248fd80e6fe433720dd33a502b2bd3f12b86c9e419b9fe2

Download Submit
C:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
memory/1796-12-0x0000000000FC0000-0x0000000000FD7000-memory.dmp

Filesize
92KB

Download
memory/2212-0-0x0000000001030000-0x0000000001047000-memory.dmp

Filesize
92KB

Download
memory/2212-11-0x0000000000FC0000-0x0000000000FD7000-memory.dmp

Filesize
92KB

Download
memory/2212-8-0x0000000001030000-0x0000000001047000-memory.dmp

Filesize
92KB

Download
memory/2212-19-0x0000000000FC0000-0x0000000000FD7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads