3db19b7ee4b37f052668c2a29f913909d653afec0101fae769e252b6a6e020d7

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 12:24

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

1e1ee58904435b83d1d1aedbd57a3503.exe
Size

29KB
MD5

1e1ee58904435b83d1d1aedbd57a3503
SHA1

444c0e3141a00a1b026f0e3a335d49860e498f9d
SHA256

3db19b7ee4b37f052668c2a29f913909d653afec0101fae769e252b6a6e020d7
SHA512

b7bd61f87c7187ed9bf298546a5ee047fb6842d2b15bb95da9697b55a95206b8c6e6c1002047090028d8bb87df58f8c68009da11b9d894386ed69d521d920109
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFf:SKcR4mjD9r823Ff

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3700	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 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/396-0-0x00000000008A0000-0x00000000008B7000-memory.dmp	upx
behavioral2/memory/3700-9-0x0000000000E10000-0x0000000000E27000-memory.dmp	upx
behavioral2/files/0x000700000002322f-8.dat	upx
behavioral2/memory/396-7-0x00000000008A0000-0x00000000008B7000-memory.dmp	upx
behavioral2/files/0x0003000000022778-12.dat	upx
behavioral2/files/0x000600000001e5df-29.dat	upx
behavioral2/memory/3700-33-0x0000000000E10000-0x0000000000E27000-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"	1e1ee58904435b83d1d1aedbd57a3503.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	1e1ee58904435b83d1d1aedbd57a3503.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	396	1e1ee58904435b83d1d1aedbd57a3503.exe
Token: SeDebugPrivilege	3700	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 396 wrote to memory of 3700	396	1e1ee58904435b83d1d1aedbd57a3503.exe	20
PID 396 wrote to memory of 3700	396	1e1ee58904435b83d1d1aedbd57a3503.exe	20
PID 396 wrote to memory of 3700	396	1e1ee58904435b83d1d1aedbd57a3503.exe	20

C:\Users\Admin\AppData\Local\Temp\1e1ee58904435b83d1d1aedbd57a3503.exe
"C:\Users\Admin\AppData\Local\Temp\1e1ee58904435b83d1d1aedbd57a3503.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:396
- 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:3700

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
e7a514b7c43a068076f3ab7d5406c66d

SHA1
b5d096cffbf2ead93af92b000baae7d4de83a74f

SHA256
f3d1887576408ea1ca5521d54276e72ad33ab3481e01296e83720bda4aeb9f0d

SHA512
6d0b85fc03a6cdd0728877afcf20a0541abfa16251216093b7f29d093dbe96801032b8511c7240c3a8ac0ea9943113a1f10f0b70fc47a00cc6c49a5477dd6951

Download Submit
C:\Users\Admin\AppData\Local\Temp\1r7bimfsJBh37PS.exe

Filesize
29KB

MD5
899e74fc66613f4c699cd47c874c0f31

SHA1
780147404c9dd9c5fdf30c1fea432aad57b90911

SHA256
bd1b2d66ff7cf34066a2812014767eec1b831bb0076a44a33bc64b63473105c5

SHA512
a6f66a4678997212ea895be59b72fae09d8196af99e890d8fae651f0966f533e00caeb325c512e62b043f3854e4edda6c9a61b364dc3e6b6a8c534eee195bc81

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/396-0-0x00000000008A0000-0x00000000008B7000-memory.dmp

Filesize
92KB

Download
memory/396-7-0x00000000008A0000-0x00000000008B7000-memory.dmp

Filesize
92KB

Download
memory/3700-9-0x0000000000E10000-0x0000000000E27000-memory.dmp

Filesize
92KB

Download
memory/3700-33-0x0000000000E10000-0x0000000000E27000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads