1c2be819f7f2234b4d950f9227963a86d00d7d38cd0ba90602519a485e0e8107

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 22:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

75b9f8f5017687dd4adb86ee29e5e6ab.exe
Size

36KB
MD5

75b9f8f5017687dd4adb86ee29e5e6ab
SHA1

5d5cdb81765b4124613ce8fb00f260d8be48e4fc
SHA256

1c2be819f7f2234b4d950f9227963a86d00d7d38cd0ba90602519a485e0e8107
SHA512

e2be6518d73db88c119d11b0979c97651addef1e794cc7a84b7873b2eea994b34a61b04f694182d4fc8d42eff476c76ee92ebce5e9b4422bfa065cf441390f36
SSDEEP

768:X8Q2ZDX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIom46+Il:s9Z3KcR4mjD9r8226+a

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4836	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/2628-0-0x0000000000AD0000-0x0000000000AE7000-memory.dmp	upx
behavioral2/files/0x0007000000023108-6.dat	upx
behavioral2/memory/4836-7-0x0000000000710000-0x0000000000727000-memory.dmp	upx
behavioral2/memory/2628-9-0x0000000000AD0000-0x0000000000AE7000-memory.dmp	upx
behavioral2/files/0x0007000000022556-12.dat	upx
behavioral2/files/0x000600000002310c-29.dat	upx
behavioral2/memory/4836-31-0x0000000000710000-0x0000000000727000-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"	75b9f8f5017687dd4adb86ee29e5e6ab.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	75b9f8f5017687dd4adb86ee29e5e6ab.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2628	75b9f8f5017687dd4adb86ee29e5e6ab.exe
Token: SeDebugPrivilege	4836	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2628 wrote to memory of 4836	2628	75b9f8f5017687dd4adb86ee29e5e6ab.exe	88
PID 2628 wrote to memory of 4836	2628	75b9f8f5017687dd4adb86ee29e5e6ab.exe	88
PID 2628 wrote to memory of 4836	2628	75b9f8f5017687dd4adb86ee29e5e6ab.exe	88

C:\Users\Admin\AppData\Local\Temp\75b9f8f5017687dd4adb86ee29e5e6ab.exe
"C:\Users\Admin\AppData\Local\Temp\75b9f8f5017687dd4adb86ee29e5e6ab.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2628
- 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:4836

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
358KB

MD5
a5a322ac75867e9aea0e95bc0a22527c

SHA1
434e3fad83816f675b08bdb97f8755d269693e5a

SHA256
e04618eeee1992bf700f0c1769d535c3ae0ef4cb683be5d9ef1e4e8cffecbd03

SHA512
909a776022e0544533e96a3959e07047d2992371a056c39cc5c21426cee6142723f34ddbc56fb95318656acfb9ad412bc32c942475a8d168b1a9f854e9b8b90c

Download Submit
C:\Users\Admin\AppData\Local\Temp\1hiumxn1A4bFjko.exe

Filesize
36KB

MD5
b3c15351377d0008dd1ec1b748381bfe

SHA1
449e25d206a690d7389dede3e662316407cc646a

SHA256
b2fd408822c1dec408d0a7aaf7e64af1a6f46e008bbe67eb1cd55c707f951121

SHA512
22383b93cd50ebc42d1b374cb217976b68cef6dce7f11d610c32941b62f273fad31590ca3b4dbcf26dac08d9ad7cf0b5ab93bca490e178877848d3c849f8eb81

Download Submit
C:\Windows\CTS.exe

Filesize
35KB

MD5
93e5f18caebd8d4a2c893e40e5f38232

SHA1
fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

SHA256
a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

SHA512
986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

Download Submit
memory/2628-0-0x0000000000AD0000-0x0000000000AE7000-memory.dmp

Filesize
92KB

Download
memory/2628-9-0x0000000000AD0000-0x0000000000AE7000-memory.dmp

Filesize
92KB

Download
memory/4836-7-0x0000000000710000-0x0000000000727000-memory.dmp

Filesize
92KB

Download
memory/4836-31-0x0000000000710000-0x0000000000727000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads