9a36bfd89273ea5dea8cb65b44fd1ab3bf69b61ecd1ff0841c34c867061282e1

Analysis

max time kernel
175s
max time network
191s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 21:04

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

3b0c8a928d70ed0ae1b4188d05c18fce.exe
Size

46KB
MD5

3b0c8a928d70ed0ae1b4188d05c18fce
SHA1

b9e711b4f3b85bdec1614d1b551fe089d00e89aa
SHA256

9a36bfd89273ea5dea8cb65b44fd1ab3bf69b61ecd1ff0841c34c867061282e1
SHA512

a891973143b03d5483cc1be4a4f7d4c963a109a93546996375dd7ac8db183f65e2cca04306f7aff85dc4c80d97a27eba9e6fb82cd2db23936298b2cc412af0a3
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFu9vVTQerSE51tVL5iA/:SKcR4mjD9r823Fu9NrSE7Lh

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4856	svXrHCrdqltrOLv.exe
3524	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/1760-0-0x0000000000C30000-0x0000000000C47000-memory.dmp	upx
behavioral2/files/0x000700000002321d-6.dat	upx
behavioral2/memory/3524-9-0x0000000000360000-0x0000000000377000-memory.dmp	upx
behavioral2/memory/1760-8-0x0000000000C30000-0x0000000000C47000-memory.dmp	upx
behavioral2/files/0x000600000002272c-13.dat	upx
behavioral2/memory/3524-32-0x0000000000360000-0x0000000000377000-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"	3b0c8a928d70ed0ae1b4188d05c18fce.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	3b0c8a928d70ed0ae1b4188d05c18fce.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1760	3b0c8a928d70ed0ae1b4188d05c18fce.exe
Token: SeDebugPrivilege	3524	CTS.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 4856	1760	3b0c8a928d70ed0ae1b4188d05c18fce.exe	88
PID 1760 wrote to memory of 4856	1760	3b0c8a928d70ed0ae1b4188d05c18fce.exe	88
PID 1760 wrote to memory of 3524	1760	3b0c8a928d70ed0ae1b4188d05c18fce.exe	90
PID 1760 wrote to memory of 3524	1760	3b0c8a928d70ed0ae1b4188d05c18fce.exe	90
PID 1760 wrote to memory of 3524	1760	3b0c8a928d70ed0ae1b4188d05c18fce.exe	90

C:\Users\Admin\AppData\Local\Temp\3b0c8a928d70ed0ae1b4188d05c18fce.exe
"C:\Users\Admin\AppData\Local\Temp\3b0c8a928d70ed0ae1b4188d05c18fce.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Users\Admin\AppData\Local\Temp\svXrHCrdqltrOLv.exe
  C:\Users\Admin\AppData\Local\Temp\svXrHCrdqltrOLv.exe
  2⤵
  - Executes dropped EXE
  PID:4856
- 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:3524

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
352KB

MD5
ca9c2238fbb21e860eabad6e55d267f1

SHA1
866398dd3790ba9caae3a67825c50cfafc31e8b1

SHA256
2b2147631695175d553e3b233c5c378458205471a9673a99708f3640b5600a4a

SHA512
721e4a33a770eb9a74d553ac1da6548a75b3eebdbbb8180a8eadf91119ac1eb71975d3a11c1968671084b1b2aa3bd515e5bb285793d41bcda2d9910deb0fea79

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

Filesize
16KB

MD5
95c9a037d3b01a21275aa6cc73b122a2

SHA1
c19ed8afc95b91d0cc6bc075047de30eae015386

SHA256
1d5edcbae3258efb07cc57ba8d7cd1ebe2eb5106ef1a894b787ed2857952c523

SHA512
761bb76261712a597f610e3162fa1514d2f56d69d03d1b76b51c6b2a7b0c88bbd385b7dc849c6913f7d861fb3aed8551f26f640d90b621e8629abe2e4bfb6160

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/1760-0-0x0000000000C30000-0x0000000000C47000-memory.dmp

Filesize
92KB

Download
memory/1760-8-0x0000000000C30000-0x0000000000C47000-memory.dmp

Filesize
92KB

Download
memory/3524-9-0x0000000000360000-0x0000000000377000-memory.dmp

Filesize
92KB

Download
memory/3524-32-0x0000000000360000-0x0000000000377000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads