d612a6ebc9c1b99b97e80f53d88d6dd1dc6a6867a35871e13ab657ce53be409c

Analysis

max time kernel
141s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16/03/2024, 10:07

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General

Target

cdc774d2701e3755988d955383b25745.exe
Size

59KB
MD5

cdc774d2701e3755988d955383b25745
SHA1

a73b9982ea2186a40cdc25d0d3eb556047875a02
SHA256

d612a6ebc9c1b99b97e80f53d88d6dd1dc6a6867a35871e13ab657ce53be409c
SHA512

6446da7244603eb4a8fb351c03455dd03e7b65008025850e83b2d13af7f3d3ff250c243ec75eb14cb7563ff76cffb77748af0c63210ccd8026e6e274c0316ab5
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFGocAX3LKew369lp2z3b:SKcR4mjD9r823FHKcR4mjD9r823Fu

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2136	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/2656-0-0x0000000001110000-0x0000000001127000-memory.dmp	upx
behavioral1/memory/2656-9-0x0000000001110000-0x0000000001127000-memory.dmp	upx
behavioral1/files/0x000e000000014698-8.dat	upx
behavioral1/memory/2136-12-0x00000000002A0000-0x00000000002B7000-memory.dmp	upx
behavioral1/memory/2656-5-0x0000000000070000-0x0000000000087000-memory.dmp	upx
behavioral1/files/0x000d00000001224c-15.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"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	cdc774d2701e3755988d955383b25745.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	cdc774d2701e3755988d955383b25745.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2656	cdc774d2701e3755988d955383b25745.exe
Token: SeDebugPrivilege	2136	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 2136	2656	cdc774d2701e3755988d955383b25745.exe	28
PID 2656 wrote to memory of 2136	2656	cdc774d2701e3755988d955383b25745.exe	28
PID 2656 wrote to memory of 2136	2656	cdc774d2701e3755988d955383b25745.exe	28
PID 2656 wrote to memory of 2136	2656	cdc774d2701e3755988d955383b25745.exe	28

C:\Users\Admin\AppData\Local\Temp\cdc774d2701e3755988d955383b25745.exe
"C:\Users\Admin\AppData\Local\Temp\cdc774d2701e3755988d955383b25745.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2656
- 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:2136

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\ukFZGkIPbSOdD70.exe

Filesize
59KB

MD5
1ef06f399634efbaaa1f7dcb1f1a1709

SHA1
bfb49d5ac74177a7291029f0585274da541e8893

SHA256
ea48c6d11bc3b0ef188009b6a8655f3387b457df8d2d5a76bd3dd83a5497ecc9

SHA512
58b428f12b388f91ed9bcf274e09949cdd4359451d2295ee711c1e1a1c13905c5ee232326883884e6435862154dfdb5df450a0e5b8365b53d7cd4a18b766635f

Download Submit
C:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
memory/2136-12-0x00000000002A0000-0x00000000002B7000-memory.dmp

Filesize
92KB

Download
memory/2656-0-0x0000000001110000-0x0000000001127000-memory.dmp

Filesize
92KB

Download
memory/2656-9-0x0000000001110000-0x0000000001127000-memory.dmp

Filesize
92KB

Download
memory/2656-5-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download
memory/2656-19-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads