c42416f4ea7582b96fef44030d7329d08a788723b9110ccd6f367d94b6f094d2

Analysis

max time kernel
148s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 16:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7dca194b23c89968e760d821da99e6b2.exe
Size

363KB
MD5

7dca194b23c89968e760d821da99e6b2
SHA1

37e60b60edecb76a36b479ac40cb4f3dcf9d84e6
SHA256

c42416f4ea7582b96fef44030d7329d08a788723b9110ccd6f367d94b6f094d2
SHA512

9c5823086ed8c459444d4998f22a1661a283032c9d726de4795eb8580fbec17fbe6c3343fdbfb7b80c813c631761e9893058a6bfa470adaf5dffdd141bf3798b
SSDEEP

6144:hGDow9eppgO5qRks6YOTpcnirF7B+qlcUrxcqUOLSTW/bKAOGLDswENTGZkPj+gN:h/w9efjQkWOTWnsF71zNc5O+TW/bKnGy

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2808	XsFyyMSM6rqWJgM.exe
3116	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/4660-0-0x00000000005E0000-0x00000000005F7000-memory.dmp	upx
behavioral2/files/0x000600000002313b-6.dat	upx
behavioral2/memory/3116-7-0x0000000000CC0000-0x0000000000CD7000-memory.dmp	upx
behavioral2/memory/4660-9-0x00000000005E0000-0x00000000005F7000-memory.dmp	upx
behavioral2/files/0x0007000000022556-12.dat	upx
behavioral2/files/0x000600000002313a-29.dat	upx
behavioral2/memory/3116-31-0x0000000000CC0000-0x0000000000CD7000-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"	7dca194b23c89968e760d821da99e6b2.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	7dca194b23c89968e760d821da99e6b2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4660	7dca194b23c89968e760d821da99e6b2.exe
Token: SeDebugPrivilege	3116	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4660 wrote to memory of 3116	4660	7dca194b23c89968e760d821da99e6b2.exe	92
PID 4660 wrote to memory of 3116	4660	7dca194b23c89968e760d821da99e6b2.exe	92
PID 4660 wrote to memory of 3116	4660	7dca194b23c89968e760d821da99e6b2.exe	92

C:\Users\Admin\AppData\Local\Temp\7dca194b23c89968e760d821da99e6b2.exe
"C:\Users\Admin\AppData\Local\Temp\7dca194b23c89968e760d821da99e6b2.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4660
- C:\Users\Admin\AppData\Local\Temp\XsFyyMSM6rqWJgM.exe
  C:\Users\Admin\AppData\Local\Temp\XsFyyMSM6rqWJgM.exe
  2⤵
  - Executes dropped EXE
  PID:2808
- 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:3116

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
352KB

MD5
e7493f7866c74eb3046168a60c9a67d8

SHA1
2e2f7448bfdfbd0247d8eaa37656959c9a98ee25

SHA256
40a0cc6d5c359774ddd696310807c384a1fdb89b57c1543486dc4df7dfaf7cfc

SHA512
18e9b732bf5e5f52066d844bc00dda3fa7a9472fe691f1c5d1aab5cda8a2dc5f4c5b24c7162034f3a60e845833d2b0705547c9c1d06016e437238dde5aed0f3b

Download Submit
C:\Users\Admin\AppData\Local\Temp\XsFyyMSM6rqWJgM.exe

Filesize
363KB

MD5
a318fe3c91f1d80d12f718b51c372d87

SHA1
d7804d42bde0bae167ba04c21be1ecd617c73000

SHA256
12e8fa2c7796d6a56044cbf52b32166363d5b256a19b6c0410d8f224c1d8b28d

SHA512
0ac56dbf3a4e278050688547d03669922506f94e8f296d4973a30ee412e283f9aff9fe7cd1ef3ff17d1028da439d7a8935c3590475f32a86bfac892f8c04b535

Download Submit
C:\Users\Admin\AppData\Local\Temp\XsFyyMSM6rqWJgM.exe

Filesize
334KB

MD5
f310d4e936b68a5d76b7b808507e99f9

SHA1
6dccf493508f97212688413bec28f86befbff8e2

SHA256
58b7e175725ddf68a7a6c891889daaa3b7d4f90c14bfcff287cb3336cbd7da60

SHA512
daead56dfdd7b4a7a8fabdc6e12144273aae244aa90817d76281e5a7414e3f07ca2761f481bda91a47fc3c1c911ff1783e7421e566e3b3fc59b443de141d9e5d

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/3116-7-0x0000000000CC0000-0x0000000000CD7000-memory.dmp

Filesize
92KB

Download
memory/3116-31-0x0000000000CC0000-0x0000000000CD7000-memory.dmp

Filesize
92KB

Download
memory/4660-0-0x00000000005E0000-0x00000000005F7000-memory.dmp

Filesize
92KB

Download
memory/4660-9-0x00000000005E0000-0x00000000005F7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads