d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265

Analysis

max time kernel
140s
max time network
119s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
21/05/2024, 04:35

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General

Target

d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe
Size

27KB
MD5

8a2229063faf7e0e7771817b21a8d605
SHA1

0423780da80d35013f66c0c08af9d03bae7c6e94
SHA256

d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265
SHA512

7db67aead1b32d759c75529984708d957b36c54d6c19107afbf39d1e18659f25c422931a08448cf431dcddfe5a6aff9f77ba6fd5dd15d65b1fcde3fe7f996e05
SSDEEP

768:X9J/3FzjgfanEGx8V36unjv88tznuRU65Y4gpph1ePVCMy:N5VzcfA/6LrVpL74gfh16ny

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1736	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
behavioral1/memory/1276-0-0x00000000003F0000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1276-5-0x00000000002E0000-0x00000000002F8000-memory.dmp	upx
behavioral1/memory/1276-10-0x00000000003F0000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0038000000014388-11.dat	upx
behavioral1/files/0x000e00000001214d-13.dat	upx
behavioral1/memory/1736-16-0x00000000002E0000-0x00000000002F8000-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"	d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.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	d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1276	d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe
Token: SeDebugPrivilege	1736	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1276 wrote to memory of 1736	1276	d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe	28
PID 1276 wrote to memory of 1736	1276	d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe	28
PID 1276 wrote to memory of 1736	1276	d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe	28
PID 1276 wrote to memory of 1736	1276	d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe	28

C:\Users\Admin\AppData\Local\Temp\d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe
"C:\Users\Admin\AppData\Local\Temp\d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1276
- 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:1736

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\Temp\0ApuxhnYbDVQ9pZ.exe

Filesize
27KB

MD5
0b9d9822118806a043a71b62112df405

SHA1
7f940f75e8bde28a6b971b7678c11b45c47569cc

SHA256
b997c50d3c5054ea58a6bfe3be327e1ecf56030a01568d0a6e124c35cdf77780

SHA512
d7aaf76937be4900c70c4a0ec4e144ea2df87e53724906d71ea267846b9c1b3e1166832735300cfb852797648ac2c4b0a55f57d07e58780358739bc7abf40b29

Download Submit
C:\Windows\CTS.exe

Filesize
27KB

MD5
a6749b968461644db5cc0ecceffb224a

SHA1
2795aa37b8586986a34437081351cdd791749a90

SHA256
720023737d7ff700818f55612ba069a609a5ddea646bb3509b615ee3523a4ca2

SHA512
2a276816290746ed914af9cf6427aef31ce9395b8e9937090e329a8f74fb84c62d15b196e13346caa086842b3f5f549b9eb20cbf422d18c9c1b63e6342ea90b4

Download Submit
memory/1276-0-0x00000000003F0000-0x0000000000408000-memory.dmp

Filesize
96KB

Download
memory/1276-5-0x00000000002E0000-0x00000000002F8000-memory.dmp

Filesize
96KB

Download
memory/1276-10-0x00000000003F0000-0x0000000000408000-memory.dmp

Filesize
96KB

Download
memory/1736-16-0x00000000002E0000-0x00000000002F8000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads