977d8c961114649a5459713c1d0d87301e624f863b06170ca134718ab4df23d9

Analysis

max time kernel
141s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
12/01/2024, 23:49

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General

Target

576cee261e8bb0dfc7d466f5cdb925df.exe
Size

36KB
MD5

576cee261e8bb0dfc7d466f5cdb925df
SHA1

3fb58d3ec2377d6f411c33f204c0ba6ef0641d27
SHA256

977d8c961114649a5459713c1d0d87301e624f863b06170ca134718ab4df23d9
SHA512

3ddde655e0aa1f85934cce3ddfa1e04109a72298fa62a428120e48baee177d0dfa61e3874ca3bd5db9679e45b6e898bb6e8311322e3dfb956949b3357f4cc551
SSDEEP

768:X8Q2ZDX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIom46+IeaU:s9Z3KcR4mjD9r8226+zh

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2712	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/2060-0-0x0000000000F50000-0x0000000000F67000-memory.dmp	upx
behavioral1/memory/2060-8-0x0000000000F50000-0x0000000000F67000-memory.dmp	upx
behavioral1/files/0x000c000000016cac-7.dat	upx
behavioral1/memory/2712-11-0x0000000000C50000-0x0000000000C67000-memory.dmp	upx
behavioral1/files/0x0007000000012281-13.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"	576cee261e8bb0dfc7d466f5cdb925df.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	576cee261e8bb0dfc7d466f5cdb925df.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2060	576cee261e8bb0dfc7d466f5cdb925df.exe
Token: SeDebugPrivilege	2712	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 2712	2060	576cee261e8bb0dfc7d466f5cdb925df.exe	28
PID 2060 wrote to memory of 2712	2060	576cee261e8bb0dfc7d466f5cdb925df.exe	28
PID 2060 wrote to memory of 2712	2060	576cee261e8bb0dfc7d466f5cdb925df.exe	28
PID 2060 wrote to memory of 2712	2060	576cee261e8bb0dfc7d466f5cdb925df.exe	28

C:\Users\Admin\AppData\Local\Temp\576cee261e8bb0dfc7d466f5cdb925df.exe
"C:\Users\Admin\AppData\Local\Temp\576cee261e8bb0dfc7d466f5cdb925df.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2060
- 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:2712

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\wfQcd2IAZwTOqAF.exe

Filesize
36KB

MD5
c09a44d99f8f6c04b43c53102087e9c9

SHA1
153661994b442fddba4ef09a9e537d65151cd11f

SHA256
af436072e21ac790026067c7566c1f7388761ac1d0865db7011bdb9454d57bde

SHA512
42f7be26af06e5362a631a73412e78156e1d38f4e427d13c96e52a44df30a40268c1c82855a90b786d700a79cbd227ea131b8f4fab5943c3fabe1e54221357c1

Download Submit
C:\Windows\CTS.exe

Filesize
35KB

MD5
93e5f18caebd8d4a2c893e40e5f38232

SHA1
fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

SHA256
a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

SHA512
986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

Download Submit
memory/2060-0-0x0000000000F50000-0x0000000000F67000-memory.dmp

Filesize
92KB

Download
memory/2060-8-0x0000000000F50000-0x0000000000F67000-memory.dmp

Filesize
92KB

Download
memory/2712-11-0x0000000000C50000-0x0000000000C67000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads