d4e2031593e85893e58ef0f31cca239813be0306b1804b0f6d741dc55dcb330e

Analysis

max time kernel
0s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 11:34

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General

Target

1b29750e9dc6f475cacae20a769b7384.exe
Size

85KB
MD5

1b29750e9dc6f475cacae20a769b7384
SHA1

e1ae59b0c61f2776dd2a4bf576c0b451bcf986e4
SHA256

d4e2031593e85893e58ef0f31cca239813be0306b1804b0f6d741dc55dcb330e
SHA512

2c6db5c1ea9cf7c99f8e1cfe379abe3d10d81a9851ebfa814326d09c814a97c6cadedcf8e04e481174458bdcfe548f6163eb993f70a9d86f7e23c83657e7b62d
SSDEEP

1536:SKcR4mjD9r823FGD5i7pYUGqQBMJSXNf1O/xUQCPlheO79T:SKcWmjRrz3MI7p5QeJMN9O4theO

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4028	1pIXtgJJCoSp6wL.exe
3036	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 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3168-0-0x0000000000BB0000-0x0000000000BC7000-memory.dmp	upx
behavioral2/memory/3168-7-0x0000000000BB0000-0x0000000000BC7000-memory.dmp	upx
behavioral2/memory/3036-9-0x0000000000CF0000-0x0000000000D07000-memory.dmp	upx
behavioral2/files/0x001100000002315e-6.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"	1b29750e9dc6f475cacae20a769b7384.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	1b29750e9dc6f475cacae20a769b7384.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3168	1b29750e9dc6f475cacae20a769b7384.exe
Token: SeDebugPrivilege	3036	CTS.exe
Token: SeBackupPrivilege	4284	dw20.exe
Token: SeBackupPrivilege	4284	dw20.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3168 wrote to memory of 4028	3168	1b29750e9dc6f475cacae20a769b7384.exe	22
PID 3168 wrote to memory of 4028	3168	1b29750e9dc6f475cacae20a769b7384.exe	22
PID 3168 wrote to memory of 3036	3168	1b29750e9dc6f475cacae20a769b7384.exe	21
PID 3168 wrote to memory of 3036	3168	1b29750e9dc6f475cacae20a769b7384.exe	21
PID 3168 wrote to memory of 3036	3168	1b29750e9dc6f475cacae20a769b7384.exe	21
PID 4028 wrote to memory of 4284	4028	1pIXtgJJCoSp6wL.exe	16
PID 4028 wrote to memory of 4284	4028	1pIXtgJJCoSp6wL.exe	16

C:\Users\Admin\AppData\Local\Temp\1b29750e9dc6f475cacae20a769b7384.exe
"C:\Users\Admin\AppData\Local\Temp\1b29750e9dc6f475cacae20a769b7384.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3168
- 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:3036
- C:\Users\Admin\AppData\Local\Temp\1pIXtgJJCoSp6wL.exe
  C:\Users\Admin\AppData\Local\Temp\1pIXtgJJCoSp6wL.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4028

C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
dw20.exe -x -s 812
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4284

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\1pIXtgJJCoSp6wL.exe

Filesize
56KB

MD5
e115521ba14b75f53dcdff087ec6898f

SHA1
87103a892bb514a93d485fba221bacb9da3aae25

SHA256
59b284d0ad4c2634938e70fae67d9048bd98422d052fbd745a9b80b5fae7ae29

SHA512
ab3d097bcf11bf7327a28124052b210f5fb13b9bfb9b7376cae1ba5c30182a330506935288a7fe06b7e3fdd82b57f5c31638f1c301738342819c772b346fa35a

Download Submit
memory/3036-9-0x0000000000CF0000-0x0000000000D07000-memory.dmp

Filesize
92KB

Download
memory/3168-0-0x0000000000BB0000-0x0000000000BC7000-memory.dmp

Filesize
92KB

Download
memory/3168-7-0x0000000000BB0000-0x0000000000BC7000-memory.dmp

Filesize
92KB

Download
memory/4028-28-0x0000000001670000-0x0000000001680000-memory.dmp

Filesize
64KB

Download
memory/4028-31-0x00007FFD37BE0000-0x00007FFD38581000-memory.dmp

Filesize
9.6MB

Download
memory/4028-27-0x00007FFD37BE0000-0x00007FFD38581000-memory.dmp

Filesize
9.6MB

Download
memory/4028-39-0x00007FFD37BE0000-0x00007FFD38581000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads