84a82074c09ecd6f1867d316377185d0cc19b8ac4296d1b4c133339dfba3bb6e

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
30-12-2023 06:47

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General

Target

11665ac28b72ddb69669e22d6812eaa7.exe
Size

29KB
MD5

11665ac28b72ddb69669e22d6812eaa7
SHA1

038d1ee5554969755b5136facac652a9d0906765
SHA256

84a82074c09ecd6f1867d316377185d0cc19b8ac4296d1b4c133339dfba3bb6e
SHA512

f060184781f297e78f142ee2785e95059689e775b16123644c9b4fe403c108cda76fbe07eeaa0471b97e5d1c2a0d49a4a17cbe6fad711e44412dabc8c8382ea0
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFX:SKcR4mjD9r823FX

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2716	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/5056-0-0x0000000000E70000-0x0000000000E87000-memory.dmp	upx
behavioral2/files/0x001100000002314c-6.dat	upx
behavioral2/memory/5056-7-0x0000000000E70000-0x0000000000E87000-memory.dmp	upx
behavioral2/memory/2716-9-0x0000000000930000-0x0000000000947000-memory.dmp	upx
behavioral2/files/0x000300000002276d-12.dat	upx
behavioral2/files/0x000200000001fafe-30.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"	11665ac28b72ddb69669e22d6812eaa7.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	11665ac28b72ddb69669e22d6812eaa7.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5056	11665ac28b72ddb69669e22d6812eaa7.exe
Token: SeDebugPrivilege	2716	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 2716	5056	11665ac28b72ddb69669e22d6812eaa7.exe	88
PID 5056 wrote to memory of 2716	5056	11665ac28b72ddb69669e22d6812eaa7.exe	88
PID 5056 wrote to memory of 2716	5056	11665ac28b72ddb69669e22d6812eaa7.exe	88

C:\Users\Admin\AppData\Local\Temp\11665ac28b72ddb69669e22d6812eaa7.exe
"C:\Users\Admin\AppData\Local\Temp\11665ac28b72ddb69669e22d6812eaa7.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5056
- 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:2716

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
56804431982b0d2ef9c6eaea166203ef

SHA1
e1a6b6f669eda5ccdd9e6abfb28e209a721d39bb

SHA256
4754482dbb1c7f62417aff242b10bc6c58dda29d837451cede3dc0952a959dd5

SHA512
0efa74c00ddaa060ef75e089bf12119ee0e81da5a0f5d0a11a273270b3cd85fec081cdadef723095695d00bfeff14e5ad7ab3dd4fabbad4923d53f5560845de0

Download Submit
C:\Users\Admin\AppData\Local\Temp\DOG9JCDwZ3ZKUQr.exe

Filesize
29KB

MD5
f1ea546403096df560330dc34968d642

SHA1
9951d1766ca3742c1bae78a88084c3c125378968

SHA256
623c81d6554ae9ac6bb388a361a370da6a96a7d79f7858ee999bee191c9f82ae

SHA512
177bbff7220579912a431971bb884e2db4d1651d0f8daa813ef41556eb431a0dd246330264cd7942ea387b26d6376d5cc80489cc07a7d0a42b51fa0cbca9ba86

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/2716-9-0x0000000000930000-0x0000000000947000-memory.dmp

Filesize
92KB

Download
memory/5056-0-0x0000000000E70000-0x0000000000E87000-memory.dmp

Filesize
92KB

Download
memory/5056-7-0x0000000000E70000-0x0000000000E87000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads