90d2563e15c4f2939bbabcce13fd5c2867367e58242337a49fb818e103b3dbe5

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/01/2024, 05:12

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General

Target

7188cded638fb37d67701a1a9e6bbcb8.exe
Size

93KB
MD5

7188cded638fb37d67701a1a9e6bbcb8
SHA1

dac0a1cbbc52c8a774d52a003370f37e3e6766a2
SHA256

90d2563e15c4f2939bbabcce13fd5c2867367e58242337a49fb818e103b3dbe5
SHA512

e22b687832566f64795aa16c7413fb1dc36591dab4de17963b7862c0bcafae9d677cc76c85e4ba45a32f0e053074427e5ac13c865becdbad38fd505d54deb981
SSDEEP

1536:SKcR4mjD9r823FCzmwkROYhQ3hs1vsq8NihqOG4hKLXFb+uw+o6zvbLe14:SKcWmjRrz3UzbsFQ3hqn8NylG4hKJ+uV

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3892	4ccuAUc8VvoCSkR.exe
4568	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/4572-0-0x00000000008E0000-0x00000000008F7000-memory.dmp	upx
behavioral2/files/0x0006000000023207-7.dat	upx
behavioral2/memory/4572-9-0x00000000008E0000-0x00000000008F7000-memory.dmp	upx
behavioral2/memory/4568-8-0x0000000000470000-0x0000000000487000-memory.dmp	upx
behavioral2/files/0x0003000000022707-13.dat	upx
behavioral2/memory/4568-31-0x0000000000470000-0x0000000000487000-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"	7188cded638fb37d67701a1a9e6bbcb8.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	7188cded638fb37d67701a1a9e6bbcb8.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4572	7188cded638fb37d67701a1a9e6bbcb8.exe
Token: SeDebugPrivilege	4568	CTS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4572 wrote to memory of 3892	4572	7188cded638fb37d67701a1a9e6bbcb8.exe	54
PID 4572 wrote to memory of 3892	4572	7188cded638fb37d67701a1a9e6bbcb8.exe	54
PID 4572 wrote to memory of 3892	4572	7188cded638fb37d67701a1a9e6bbcb8.exe	54
PID 4572 wrote to memory of 4568	4572	7188cded638fb37d67701a1a9e6bbcb8.exe	59
PID 4572 wrote to memory of 4568	4572	7188cded638fb37d67701a1a9e6bbcb8.exe	59
PID 4572 wrote to memory of 4568	4572	7188cded638fb37d67701a1a9e6bbcb8.exe	59

C:\Users\Admin\AppData\Local\Temp\7188cded638fb37d67701a1a9e6bbcb8.exe
"C:\Users\Admin\AppData\Local\Temp\7188cded638fb37d67701a1a9e6bbcb8.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4572
- C:\Users\Admin\AppData\Local\Temp\4ccuAUc8VvoCSkR.exe
  C:\Users\Admin\AppData\Local\Temp\4ccuAUc8VvoCSkR.exe
  2⤵
  - Executes dropped EXE
  PID:3892
- 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:4568

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

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

Filesize
352KB

MD5
edc871d420dbed5f586f2b975ce40754

SHA1
4e4f72f3bf5ddb8cb525709fe3f6bec1e7badf32

SHA256
f9adddeb1aece06aa7901e31203e78d25010afe2d1c67415f2923a7c006a611c

SHA512
6150e3391fb9f74583627466f319c9d9624db4297d0cbdb5f5e07d8b3c09e52fae5d8512edfb305a0d5bd514b12f4e4f04ba8492728aa6fcc40aba4bd156f223

Download Submit
C:\Users\Admin\AppData\Local\Temp\4ccuAUc8VvoCSkR.exe

Filesize
64KB

MD5
a32a382b8a5a906e03a83b4f3e5b7a9b

SHA1
11e2bdd0798761f93cce363329996af6c17ed796

SHA256
75f12ea2f30d9c0d872dade345f30f562e6d93847b6a509ba53beec6d0b2c346

SHA512
ec87dd957be21b135212454646dcabdd7ef9442cf714e2c1f6b42b81f0c3fa3b1875bde9a8b538e8a0aa2190225649c29e9ed0f25176e7659e55e422dd4efe4c

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/4568-8-0x0000000000470000-0x0000000000487000-memory.dmp

Filesize
92KB

Download
memory/4568-31-0x0000000000470000-0x0000000000487000-memory.dmp

Filesize
92KB

Download
memory/4572-0-0x00000000008E0000-0x00000000008F7000-memory.dmp

Filesize
92KB

Download
memory/4572-9-0x00000000008E0000-0x00000000008F7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads