12fb31b55c541639df31fb586588b8d30a6c8a0deeaa9020739c9f6598a875dd

Analysis

max time kernel
187s
max time network
219s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27/03/2024, 12:26

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General

Target

e1a9f772e7f4700c0bf6488ff027433c.exe
Size

116KB
MD5

e1a9f772e7f4700c0bf6488ff027433c
SHA1

5cd03cac6334952ba5091fe4f882f0e0a62ca625
SHA256

12fb31b55c541639df31fb586588b8d30a6c8a0deeaa9020739c9f6598a875dd
SHA512

18177634bf9719fc27f8d7498979a013f7dc2d19022b7cecf1a7fcefa4a560ad7f6d40af46119c1c3d5f1094cdae395dc132de422784f54cf3625b3a2bb34899
SSDEEP

3072:SKcWmjRrz3N5vEGkrIwaLtqitghXhxpWOH6nJKkBLZ2:hGbw5wtqM+VCJKkBd2

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1216	P7u74V9OQiqenH7.exe
2336	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/4472-0-0x0000000000AA0000-0x0000000000AB7000-memory.dmp	upx
behavioral2/files/0x000800000002320a-7.dat	upx
behavioral2/memory/4472-9-0x0000000000AA0000-0x0000000000AB7000-memory.dmp	upx
behavioral2/memory/2336-8-0x0000000000140000-0x0000000000157000-memory.dmp	upx
behavioral2/memory/2336-13-0x0000000000140000-0x0000000000157000-memory.dmp	upx
behavioral2/files/0x000400000001e807-14.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"	e1a9f772e7f4700c0bf6488ff027433c.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	e1a9f772e7f4700c0bf6488ff027433c.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4472	e1a9f772e7f4700c0bf6488ff027433c.exe
Token: SeDebugPrivilege	2336	CTS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4472 wrote to memory of 1216	4472	e1a9f772e7f4700c0bf6488ff027433c.exe	88
PID 4472 wrote to memory of 1216	4472	e1a9f772e7f4700c0bf6488ff027433c.exe	88
PID 4472 wrote to memory of 1216	4472	e1a9f772e7f4700c0bf6488ff027433c.exe	88
PID 4472 wrote to memory of 2336	4472	e1a9f772e7f4700c0bf6488ff027433c.exe	90
PID 4472 wrote to memory of 2336	4472	e1a9f772e7f4700c0bf6488ff027433c.exe	90
PID 4472 wrote to memory of 2336	4472	e1a9f772e7f4700c0bf6488ff027433c.exe	90

C:\Users\Admin\AppData\Local\Temp\e1a9f772e7f4700c0bf6488ff027433c.exe
"C:\Users\Admin\AppData\Local\Temp\e1a9f772e7f4700c0bf6488ff027433c.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4472
- C:\Users\Admin\AppData\Local\Temp\P7u74V9OQiqenH7.exe
  C:\Users\Admin\AppData\Local\Temp\P7u74V9OQiqenH7.exe
  2⤵
  - Executes dropped EXE
  PID:1216
- 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:2336

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
049e288812051637f936a3b025175d8c

SHA1
f9e716bda36194de5c5c08a0956cc23b36690e2e

SHA256
b77f5971a8f6a6ee0f8ecf4f345960f8fa371d8f4118e707167ecbe0b3a422f6

SHA512
98c49d869a98dc8159a7bf92a5061a1eeace6178c8587d038f6813b2040c500bf15c6120bf88dfd7800d79a42305db010838294eab67e03f155b6a36960339dd

Download Submit
C:\Users\Admin\AppData\Local\Temp\P7u74V9OQiqenH7.exe

Filesize
87KB

MD5
015207664f86b0d334146d7bc7551a0f

SHA1
b466beca074c3c4a500bfa00fd691cf0fe300d8c

SHA256
3212cacc4d669f381ad1048e43726ec2841de32135438992c55f792bf03beafc

SHA512
6ced0d294fd9c330cab20739336c6cd4c1e202d521fd41c6fd6bdfe7e720247c84ac10a7e25855d3cc9b08f2d9251798eb52383527a9363c5126a6b205ff0657

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/2336-8-0x0000000000140000-0x0000000000157000-memory.dmp

Filesize
92KB

Download
memory/2336-13-0x0000000000140000-0x0000000000157000-memory.dmp

Filesize
92KB

Download
memory/4472-0-0x0000000000AA0000-0x0000000000AB7000-memory.dmp

Filesize
92KB

Download
memory/4472-9-0x0000000000AA0000-0x0000000000AB7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads