977d8c961114649a5459713c1d0d87301e624f863b06170ca134718ab4df23d9

Analysis

max time kernel
147s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-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
1968	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 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3100-0-0x0000000000DF0000-0x0000000000E07000-memory.dmp	upx
behavioral2/files/0x0007000000023126-6.dat	upx
behavioral2/memory/1968-7-0x0000000000F80000-0x0000000000F97000-memory.dmp	upx
behavioral2/memory/3100-9-0x0000000000DF0000-0x0000000000E07000-memory.dmp	upx
behavioral2/files/0x0007000000022556-12.dat	upx
behavioral2/files/0x0006000000023129-29.dat	upx
behavioral2/memory/1968-31-0x0000000000F80000-0x0000000000F97000-memory.dmp	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	3100	576cee261e8bb0dfc7d466f5cdb925df.exe
Token: SeDebugPrivilege	1968	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3100 wrote to memory of 1968	3100	576cee261e8bb0dfc7d466f5cdb925df.exe	90
PID 3100 wrote to memory of 1968	3100	576cee261e8bb0dfc7d466f5cdb925df.exe	90
PID 3100 wrote to memory of 1968	3100	576cee261e8bb0dfc7d466f5cdb925df.exe	90

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:3100
- 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:1968

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\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
358KB

MD5
827d02065aa651914a05f61581f7ba13

SHA1
15edcef6def53a812949a7701a3c25e357c83efd

SHA256
72b3352e333e4f96b6bd9a5232e59aea70793c78a3d660c44d55d7bf9469b2aa

SHA512
a30079d16fc3602fc2b274ebb0d83dbbb5c6412413e43ae63e02b7fb641e7a4eaf6e47d32d6a243d7f06591f3812885e26d941998e7f23c57024acab216adf20

Download Submit
C:\Users\Admin\AppData\Local\Temp\JgUteXxcGcBl9wE.exe

Filesize
36KB

MD5
847e33862380a15e00035350ba352104

SHA1
c1dea325652b94e7a865d67e2804e5de95322473

SHA256
3824774f5de603f719c0cab8af415732474d9639fed6c8265efc3d932ea2cfe4

SHA512
97271225f517cb610c092e4e9ae09ddbc180e4f3af08e1c7a0fc4b314b7c10b85493ac5baab3fa8f64c7a9913ec229574b8e2900966a436f4f2f9b9596a4dcfd

Download Submit
C:\Windows\CTS.exe

Filesize
35KB

MD5
93e5f18caebd8d4a2c893e40e5f38232

SHA1
fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

SHA256
a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

SHA512
986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

Download Submit
memory/1968-7-0x0000000000F80000-0x0000000000F97000-memory.dmp

Filesize
92KB

Download
memory/1968-31-0x0000000000F80000-0x0000000000F97000-memory.dmp

Filesize
92KB

Download
memory/3100-0-0x0000000000DF0000-0x0000000000E07000-memory.dmp

Filesize
92KB

Download
memory/3100-9-0x0000000000DF0000-0x0000000000E07000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads