3b583fa2a255b71c961047db21c5cc07a7a6fce5c682b200ac94da5d4846261e

Analysis

max time kernel
140s
max time network
118s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 13:47

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General

Target

22faef489858d1b7e2ce7de50cbddc35.exe
Size

30KB
MD5

22faef489858d1b7e2ce7de50cbddc35
SHA1

c9e76d84cd2416179a6277ae58f4d1f2279e6eb5
SHA256

3b583fa2a255b71c961047db21c5cc07a7a6fce5c682b200ac94da5d4846261e
SHA512

49ed8d149f10da42c2f3490bfd31df1e1a7e9091c8cbf15ae431988e62a9c21b85b8ccf03a2c63a8907c8cac079b245ac57dfa5de22e94e4c36759eeef0dcb07
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFD:SKcR4mjD9r823FD

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2032	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 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x0009000000014b70-10.dat	upx
behavioral1/files/0x0009000000014abe-15.dat	upx
behavioral1/memory/2032-13-0x0000000000BC0000-0x0000000000BD7000-memory.dmp	upx
behavioral1/memory/1692-8-0x0000000000F40000-0x0000000000F57000-memory.dmp	upx
behavioral1/memory/1692-3-0x0000000000F40000-0x0000000000F57000-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"	22faef489858d1b7e2ce7de50cbddc35.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	22faef489858d1b7e2ce7de50cbddc35.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1692	22faef489858d1b7e2ce7de50cbddc35.exe
Token: SeDebugPrivilege	2032	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 2032	1692	22faef489858d1b7e2ce7de50cbddc35.exe	16
PID 1692 wrote to memory of 2032	1692	22faef489858d1b7e2ce7de50cbddc35.exe	16
PID 1692 wrote to memory of 2032	1692	22faef489858d1b7e2ce7de50cbddc35.exe	16
PID 1692 wrote to memory of 2032	1692	22faef489858d1b7e2ce7de50cbddc35.exe	16

C:\Users\Admin\AppData\Local\Temp\22faef489858d1b7e2ce7de50cbddc35.exe
"C:\Users\Admin\AppData\Local\Temp\22faef489858d1b7e2ce7de50cbddc35.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1692
- 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:2032

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\TOPy4EpCVwzskIT.exe

Filesize
30KB

MD5
5ff560f27fa991c836541a1c0c9fa2d0

SHA1
216d84b92e12ed9867aa8a99377b8ba9a591ad1b

SHA256
85c6de6685f614cdc552387237140ecb764bad12d0ed52d1039dbffa9710b99b

SHA512
451b740dfe4746f450f0d6b43948c31764cdca5dc4501a4407d7aebd20151cfab4d8bc6fa9dcfb65199af6e61c92c7b070a7c51656b7ca1841f9d2a5fba59701

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/1692-12-0x00000000001B0000-0x00000000001C7000-memory.dmp

Filesize
92KB

Download
memory/1692-9-0x00000000001B0000-0x00000000001C7000-memory.dmp

Filesize
92KB

Download
memory/1692-8-0x0000000000F40000-0x0000000000F57000-memory.dmp

Filesize
92KB

Download
memory/1692-3-0x0000000000F40000-0x0000000000F57000-memory.dmp

Filesize
92KB

Download
memory/1692-20-0x00000000001B0000-0x00000000001C7000-memory.dmp

Filesize
92KB

Download
memory/2032-13-0x0000000000BC0000-0x0000000000BD7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads