bf064f8c732b0cec2963f2a2fe83c58f512d16043279a3aa3529d0b7a3656dab

Analysis

max time kernel
141s
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
22/12/2023, 12:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8e671eca2079203f119ca8e861e487ef.exe
Size

30KB
MD5

8e671eca2079203f119ca8e861e487ef
SHA1

5312b7a795bb568e96540099154148d71cfbea8a
SHA256

bf064f8c732b0cec2963f2a2fe83c58f512d16043279a3aa3529d0b7a3656dab
SHA512

abb3d03d4d696f5d903311f5b14de2a97d6c4f6f764cf8ad8fa83aa6688eb1c3a69ba081b1eb5864c46f84f6e96c53d8e2ee890e3901964c47bcc924887f66d5
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFm:SKcR4mjD9r823Fm

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4676	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/1092-0-0x0000000000D30000-0x0000000000D47000-memory.dmp	upx
behavioral2/files/0x000d000000023142-6.dat	upx
behavioral2/memory/1092-9-0x0000000000D30000-0x0000000000D47000-memory.dmp	upx
behavioral2/memory/4676-7-0x0000000000B60000-0x0000000000B77000-memory.dmp	upx
behavioral2/files/0x000300000002276d-12.dat	upx
behavioral2/files/0x000200000001fafe-30.dat	upx
behavioral2/memory/4676-32-0x0000000000B60000-0x0000000000B77000-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"	8e671eca2079203f119ca8e861e487ef.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	8e671eca2079203f119ca8e861e487ef.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1092	8e671eca2079203f119ca8e861e487ef.exe
Token: SeDebugPrivilege	4676	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1092 wrote to memory of 4676	1092	8e671eca2079203f119ca8e861e487ef.exe	88
PID 1092 wrote to memory of 4676	1092	8e671eca2079203f119ca8e861e487ef.exe	88
PID 1092 wrote to memory of 4676	1092	8e671eca2079203f119ca8e861e487ef.exe	88

C:\Users\Admin\AppData\Local\Temp\8e671eca2079203f119ca8e861e487ef.exe
"C:\Users\Admin\AppData\Local\Temp\8e671eca2079203f119ca8e861e487ef.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1092
- 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:4676

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
6f3ada54ad697d40cb3e95a1d72a3ada

SHA1
0545b2c670432a08342e2e73cdf92c31801a302d

SHA256
51b55fdb659a20d35bbc874fe37ce3ea6700274ed35464f961a54201a8d5eaa6

SHA512
7f17fdb2083c327571b53f216670dbbb4a6ba17b57da980f6647a5657f4593bd0d91747a0dd0709c2b225d5824ee906d85711591bc97f5ea6b68452359d222aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\edUSaCHwM8aJrHa.exe

Filesize
30KB

MD5
0530689c6b025bd455edf43b6d322c90

SHA1
264f2aac1f0d0bdab002530daf2584f13bb92181

SHA256
4badef822be9c0abc182761bfa50e1b522fa58a22d31c1899b306937e526a630

SHA512
6bad9c7dc52e9c5cd08be58ddf911b043bc28f5e7ccf30b206ef1acacbf28a70ed83108c1afe1e231c326e5567d6b55d54666c9e10e0afd7a3c77d2007a24d93

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/1092-0-0x0000000000D30000-0x0000000000D47000-memory.dmp

Filesize
92KB

Download
memory/1092-9-0x0000000000D30000-0x0000000000D47000-memory.dmp

Filesize
92KB

Download
memory/4676-7-0x0000000000B60000-0x0000000000B77000-memory.dmp

Filesize
92KB

Download
memory/4676-32-0x0000000000B60000-0x0000000000B77000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads