e67062e7215b67df951405d3abee43fb7a4caefd181345cf72ef0e999afdced7

Analysis

max time kernel
114s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
03/03/2024, 10:03

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General

Target
virussign.com_9e2caa7255d919c39eb4662f7313afe5.exe
Size 290KB
Sample240303-l3mlvsgh5y
SHA256 e67062e7215b67df951405d3abee43fb7a4caefd181345cf72ef0e999afdced7
MD5 9e2caa7255d919c39eb4662f7313afe5
SHA1 237b04171124315461e297ec10e827e32f09a375
SHA512 da50b3d2b038bb5c6a89ebfbf0d72e9da35b166e7a48b35647ec35f8fc1602541f39e5c227848d7dae5dce796e8cbd88ffe885ac3984f12f30888545eb090c3c
SSDEEP 6144:xZ8azI42HSqZZGT2WyqTgpPLbjFdaKJgMGRcs69iEJEEE1:xC0UyGGZTg1Bd/+BRx/wE1
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4576	XWXODTDjVPDjb7o.exe
3284	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

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"	virussign.com_9e2caa7255d919c39eb4662f7313afe5.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	virussign.com_9e2caa7255d919c39eb4662f7313afe5.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3224	virussign.com_9e2caa7255d919c39eb4662f7313afe5.exe
Token: SeDebugPrivilege	3284	CTS.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3224 wrote to memory of 4576	3224	virussign.com_9e2caa7255d919c39eb4662f7313afe5.exe	93
PID 3224 wrote to memory of 4576	3224	virussign.com_9e2caa7255d919c39eb4662f7313afe5.exe	93
PID 3224 wrote to memory of 3284	3224	virussign.com_9e2caa7255d919c39eb4662f7313afe5.exe	94
PID 3224 wrote to memory of 3284	3224	virussign.com_9e2caa7255d919c39eb4662f7313afe5.exe	94
PID 3224 wrote to memory of 3284	3224	virussign.com_9e2caa7255d919c39eb4662f7313afe5.exe	94

C:\Users\Admin\AppData\Local\Temp\virussign.com_9e2caa7255d919c39eb4662f7313afe5.exe
"C:\Users\Admin\AppData\Local\Temp\virussign.com_9e2caa7255d919c39eb4662f7313afe5.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3224
- C:\Users\Admin\AppData\Local\Temp\XWXODTDjVPDjb7o.exe
  C:\Users\Admin\AppData\Local\Temp\XWXODTDjVPDjb7o.exe
  2⤵
  - Executes dropped EXE
  PID:4576
- 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:3284

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3996 --field-trial-handle=2240,i,16875000905773190493,11379096115878622792,262144 --variations-seed-version /prefetch:8
1⤵
PID:1256

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

excel.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
Size 392KB
SHA256 26894db7e83ba572d5fcfd3501602f7ad14b79bb75dd83eb9fe9bf787614a3b1
MD5 afc7c16944534060b9c1fa20d7b8e483
SHA1 78f23ab17d9c75425213635961bb70516eda8a32
SHA512 b629452259644e69b712d526afc852bf6e8eba8bad3c1ecb23febb7ccf284f05c21e67e95a14963448866c028bb13a5abae23fc879fb72ce4ebfb43194171deb
SSDEEP 12288:xC006fPmJiQnvuiexwdXQ6+OBQXToOEei:D0MmJiGmir9Q65BQ8hL
MD5 SHA1 SHA512 SSDEEP

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XWXODTDjVPDjb7o.exe

Path C:\Users\Admin\AppData\Local\Temp\XWXODTDjVPDjb7o.exe
Size 219KB
SHA256 84fe7824717bb55d7f32c7487e37012a1bc6cd4c8c0202be4bfb07e770f8dc51
MD5 e2312f199976d03a7cf41e453c5af246
SHA1 c723bf05f7132c9b66c4f91d6cc363d08b4ed622
SHA512 a5cad97d8bcf893b79eed436ae8df232d7e53df86a0ed38b381c128c5d8c76c0caad41407ed564f2ea2725236eb98ea6d29413886ea22371920bf2b498b49686
SSDEEP 6144:MjDWxgkiRaxBgV48MzA69VDEz5yTB5xAuFQfaT:MvWxjwOJ6z4Tfx9QfM
MD5 SHA1 SHA512 SSDEEP

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CTS.exe

Path C:\Windows\CTS.exe
Size 71KB
SHA256 b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc
MD5 f9d4ab0a726adc9b5e4b7d7b724912f1
SHA1 3d42ca2098475924f70ee4a831c4f003b4682328
SHA512 22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazT:ZRpAyazIliazT
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads