4d8241a40a4d6dff6ae3edb5703b2d111b58436528b40d5a410e506655158c16

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
18/03/2024, 23:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d4abd5915fde80e0d1bd09708a984cf8.exe
Size

99KB
MD5

d4abd5915fde80e0d1bd09708a984cf8
SHA1

9f22aac462e234e03e127e3b0d255a8a2fd17525
SHA256

4d8241a40a4d6dff6ae3edb5703b2d111b58436528b40d5a410e506655158c16
SHA512

1c4fe19680156bca4fb563f100a12a38306ad0fe847409f0ca4703de613f2e1d044d4f7239bfe6bf913074e7dcd22b647c5cc904aa848db166dea10047fd2921
SSDEEP

3072:sr3KcWmjRrzSoDdk/URsXnq5Mby1x5CMnh0tj8/GXU:/hUuXnAwGSMmquk

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1060	1BzhZRDX6AT5AJj.exe
3740	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 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/628-0-0x0000000000010000-0x0000000000027000-memory.dmp	upx
behavioral2/memory/628-9-0x0000000000010000-0x0000000000027000-memory.dmp	upx
behavioral2/memory/3740-8-0x0000000000CF0000-0x0000000000D07000-memory.dmp	upx
behavioral2/files/0x0008000000023270-7.dat	upx
behavioral2/files/0x00070000000224f9-13.dat	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"	d4abd5915fde80e0d1bd09708a984cf8.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	d4abd5915fde80e0d1bd09708a984cf8.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	628	d4abd5915fde80e0d1bd09708a984cf8.exe
Token: SeDebugPrivilege	3740	CTS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 1060	628	d4abd5915fde80e0d1bd09708a984cf8.exe	94
PID 628 wrote to memory of 1060	628	d4abd5915fde80e0d1bd09708a984cf8.exe	94
PID 628 wrote to memory of 1060	628	d4abd5915fde80e0d1bd09708a984cf8.exe	94
PID 628 wrote to memory of 3740	628	d4abd5915fde80e0d1bd09708a984cf8.exe	96
PID 628 wrote to memory of 3740	628	d4abd5915fde80e0d1bd09708a984cf8.exe	96
PID 628 wrote to memory of 3740	628	d4abd5915fde80e0d1bd09708a984cf8.exe	96

C:\Users\Admin\AppData\Local\Temp\d4abd5915fde80e0d1bd09708a984cf8.exe
"C:\Users\Admin\AppData\Local\Temp\d4abd5915fde80e0d1bd09708a984cf8.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:628
- C:\Users\Admin\AppData\Local\Temp\1BzhZRDX6AT5AJj.exe
  C:\Users\Admin\AppData\Local\Temp\1BzhZRDX6AT5AJj.exe
  2⤵
  - Executes dropped EXE
  PID:1060
- 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:3740

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=1424 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
1⤵
PID:2564

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
753KB

MD5
a3d37ca48271155296800d4530586f7c

SHA1
edcc3169b835a64673643b5773b3bfb1402dd74d

SHA256
69477787a957b0275834614fc6034a97313c66791c8a5f2903b1dcc4d42dbef2

SHA512
f3e05f4857a1a38b1e56fe03b64dda141ddd708f5d1fd3ad2310acc9c72318014d57ff419789990fe284be82ccf96cb0df2d97e07a13494c71ba1e619563513f

Download Submit
C:\Users\Admin\AppData\Local\Temp\1BzhZRDX6AT5AJj.exe

Filesize
64KB

MD5
a32a382b8a5a906e03a83b4f3e5b7a9b

SHA1
11e2bdd0798761f93cce363329996af6c17ed796

SHA256
75f12ea2f30d9c0d872dade345f30f562e6d93847b6a509ba53beec6d0b2c346

SHA512
ec87dd957be21b135212454646dcabdd7ef9442cf714e2c1f6b42b81f0c3fa3b1875bde9a8b538e8a0aa2190225649c29e9ed0f25176e7659e55e422dd4efe4c

Download Submit
C:\Windows\CTS.exe

Filesize
35KB

MD5
93e5f18caebd8d4a2c893e40e5f38232

SHA1
fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

SHA256
a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

SHA512
986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

Download Submit
memory/628-0-0x0000000000010000-0x0000000000027000-memory.dmp

Filesize
92KB

Download
memory/628-9-0x0000000000010000-0x0000000000027000-memory.dmp

Filesize
92KB

Download
memory/3740-8-0x0000000000CF0000-0x0000000000D07000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads