bcbb8f7b5fe277e137d113a00d8daefec69ff56e54d8c989eb874fdc07b19ed2

Analysis

max time kernel
156s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 02:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8b2af66c4991ce602354a9ed54b74572.exe
Size

62KB
MD5

8b2af66c4991ce602354a9ed54b74572
SHA1

80fae8db44a1c173b0063c0962b837e71c56c904
SHA256

bcbb8f7b5fe277e137d113a00d8daefec69ff56e54d8c989eb874fdc07b19ed2
SHA512

e7cde0b845bf9b41377fd258ba71145238d95fdc488afd98e0553dab5b3c895a6b3be180e44e5efefdc44ecae08f92cc0ccb11c51c90d7c2fc66faf67961b5bb
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFGocAX3LKew369lp2z37:SKcR4mjD9r823FHKcR4mjD9r823FLWSa

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3092	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 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3132-0-0x0000000000840000-0x0000000000857000-memory.dmp	upx
behavioral2/memory/3132-5-0x0000000000840000-0x0000000000857000-memory.dmp	upx
behavioral2/files/0x0007000000023112-7.dat	upx
behavioral2/memory/3092-8-0x0000000000690000-0x00000000006A7000-memory.dmp	upx
behavioral2/memory/3132-10-0x0000000000840000-0x0000000000857000-memory.dmp	upx
behavioral2/files/0x00020000000227c9-13.dat	upx
behavioral2/memory/3092-25-0x0000000000690000-0x00000000006A7000-memory.dmp	upx
behavioral2/files/0x000700000002310e-32.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"	8b2af66c4991ce602354a9ed54b74572.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	8b2af66c4991ce602354a9ed54b74572.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3132	8b2af66c4991ce602354a9ed54b74572.exe
Token: SeDebugPrivilege	3092	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3132 wrote to memory of 3092	3132	8b2af66c4991ce602354a9ed54b74572.exe	83
PID 3132 wrote to memory of 3092	3132	8b2af66c4991ce602354a9ed54b74572.exe	83
PID 3132 wrote to memory of 3092	3132	8b2af66c4991ce602354a9ed54b74572.exe	83

C:\Users\Admin\AppData\Local\Temp\8b2af66c4991ce602354a9ed54b74572.exe
"C:\Users\Admin\AppData\Local\Temp\8b2af66c4991ce602354a9ed54b74572.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3132
- 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:3092

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
382KB

MD5
7b24b7dba1a2f27fccb70c6e093a8e93

SHA1
ac551cdfe5f03eb48e8745b93ceabf9f6ab6687f

SHA256
f9c560dd087e707ce11546335eb93208cfd0382cc349e80684a96e1d4a9494d2

SHA512
46592a35083bb015e2af6c1ed79b4115d731d91fbc003a5389102811e6186d7792d03b66e81fc89f552eb818fa2caa00384dd51b6180128ca94d7244a8f9f1be

Download Submit
C:\Users\Admin\AppData\Local\Temp\XSOJzeH3ZkRkeEw.exe

Filesize
62KB

MD5
e447c7058da45e3dc9678559c7b0b4d6

SHA1
220d8a5b88c565727966b03ce0e4fa58e069605b

SHA256
f85c7dc66e63eb5a4d4ac26c0da0edfd359742ce95162687206e69bea2671f4e

SHA512
e6e1225d5ee8d82acb8fe80edaaef2adf12da58476b88e98508f1622bc7b9808aee51ca5fe8341d091dcb2fc12387eee55236eea331c9359c02826612dcb7e93

Download Submit
C:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
memory/3092-8-0x0000000000690000-0x00000000006A7000-memory.dmp

Filesize
92KB

Download
memory/3092-25-0x0000000000690000-0x00000000006A7000-memory.dmp

Filesize
92KB

Download
memory/3132-0-0x0000000000840000-0x0000000000857000-memory.dmp

Filesize
92KB

Download
memory/3132-5-0x0000000000840000-0x0000000000857000-memory.dmp

Filesize
92KB

Download
memory/3132-10-0x0000000000840000-0x0000000000857000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads