300e447312373cb4ed1dbfab0b84a49ef7da51697a9e289441900177087dfd56

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 14:57

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General

Target

a2225205742586130c18d1f65e2688d0.exe
Size

369KB
MD5

a2225205742586130c18d1f65e2688d0
SHA1

59e5c184419736a9a05e63ab574f6db422573037
SHA256

300e447312373cb4ed1dbfab0b84a49ef7da51697a9e289441900177087dfd56
SHA512

cf575794cc7e7633bab5a4559cbad51327b10100dcaeddce7e8dca469689d06fbc636a822ddb92e90ccd46a5f1f17ceed86397296ec4f51daea306116e88b322
SSDEEP

6144:/PtDM7Wr7HeWjgkRbMJ401RNocTNhrERPu0onIPdb9uPoBJn0EMy2BRsrEk0l6oA:/I7WXR4PRbTwRm0vFwwBJn0EMyMRsQkV

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
64	m05IsmrUYypsw9X.exe
3096	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 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1588-0-0x0000000000250000-0x0000000000267000-memory.dmp	upx
behavioral2/files/0x0008000000023204-7.dat	upx
behavioral2/memory/3096-8-0x0000000000CB0000-0x0000000000CC7000-memory.dmp	upx
behavioral2/memory/1588-9-0x0000000000250000-0x0000000000267000-memory.dmp	upx
behavioral2/files/0x0003000000022765-12.dat	upx
behavioral2/memory/3096-33-0x0000000000CB0000-0x0000000000CC7000-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"	a2225205742586130c18d1f65e2688d0.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	a2225205742586130c18d1f65e2688d0.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1588	a2225205742586130c18d1f65e2688d0.exe
Token: SeDebugPrivilege	3096	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1588 wrote to memory of 3096	1588	a2225205742586130c18d1f65e2688d0.exe	90
PID 1588 wrote to memory of 3096	1588	a2225205742586130c18d1f65e2688d0.exe	90
PID 1588 wrote to memory of 3096	1588	a2225205742586130c18d1f65e2688d0.exe	90

C:\Users\Admin\AppData\Local\Temp\a2225205742586130c18d1f65e2688d0.exe
"C:\Users\Admin\AppData\Local\Temp\a2225205742586130c18d1f65e2688d0.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1588
- C:\Users\Admin\AppData\Local\Temp\m05IsmrUYypsw9X.exe
  C:\Users\Admin\AppData\Local\Temp\m05IsmrUYypsw9X.exe
  2⤵
  - Executes dropped EXE
  PID:64
- 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:3096

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

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Downloads

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

Filesize
357KB

MD5
bd47722404c90c07c0232536d77436e0

SHA1
81c7a6ca02f0182bd4712133ef8392d18697f418

SHA256
0526c692d7cf30fc1efd314e0e73b51cf7ed7865668a0034ea1f5b857b14287b

SHA512
d6bb600e528742baa453a598014999f404732908bb4ddd3d00511c2c34e001dddd6016d6fd514260cd71e60eda9a424b45826cc715fa40adca2dcfadb16e5b66

Download Submit
C:\Users\Admin\AppData\Local\Temp\m05IsmrUYypsw9X.exe

Filesize
369KB

MD5
4e16abc029af9127e2a9431551228bad

SHA1
33524cafe4cd2d77258357a8af87e05465536009

SHA256
12b17ffa2654659084db871a24a72e72f32728ef5ecec1b1da4fba45c0303b54

SHA512
50d3e234600a3d20433617f8aeccc87951dd8d404ee07a875568ba228101dd7c1ddadca77ff9c88c22bf2931cdba0e8f8e5cc9f737c702a7ec93b53a1d141dee

Download Submit
C:\Users\Admin\AppData\Local\Temp\m05IsmrUYypsw9X.exe

Filesize
334KB

MD5
f310d4e936b68a5d76b7b808507e99f9

SHA1
6dccf493508f97212688413bec28f86befbff8e2

SHA256
58b7e175725ddf68a7a6c891889daaa3b7d4f90c14bfcff287cb3336cbd7da60

SHA512
daead56dfdd7b4a7a8fabdc6e12144273aae244aa90817d76281e5a7414e3f07ca2761f481bda91a47fc3c1c911ff1783e7421e566e3b3fc59b443de141d9e5d

Download Submit
C:\Windows\CTS.exe

Filesize
35KB

MD5
93e5f18caebd8d4a2c893e40e5f38232

SHA1
fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

SHA256
a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

SHA512
986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

Download Submit
memory/1588-0-0x0000000000250000-0x0000000000267000-memory.dmp

Filesize
92KB

Download
memory/1588-9-0x0000000000250000-0x0000000000267000-memory.dmp

Filesize
92KB

Download
memory/3096-8-0x0000000000CB0000-0x0000000000CC7000-memory.dmp

Filesize
92KB

Download
memory/3096-33-0x0000000000CB0000-0x0000000000CC7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads