2b67832d57df0c5a133fc5d252c836d752e73541d18ee83264ce1fa1ca2f7024

Analysis

max time kernel
141s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10/03/2024, 10:10

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General

Target

be56f7870daba51872c7ab4b6d3b7a29.exe
Size

41KB
MD5

be56f7870daba51872c7ab4b6d3b7a29
SHA1

90803adb28d41708b46857024fecd97608cfb452
SHA256

2b67832d57df0c5a133fc5d252c836d752e73541d18ee83264ce1fa1ca2f7024
SHA512

fbf5a1f7fc574602572424ada1725dc5310b526799beeb17d04b21ba005be19c5e48491de2e4af40498f2545bbcfe6e9b9d2a4f0e66697bfb39f9aeb76aca4df
SSDEEP

768:X8Q2ZDX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIom46+I9vzineMf:s9Z3KcR4mjD9r8226+MieO

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2252	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/memory/2300-0-0x0000000000FA0000-0x0000000000FB7000-memory.dmp	upx
behavioral1/memory/2300-9-0x0000000000FA0000-0x0000000000FB7000-memory.dmp	upx
behavioral1/memory/2252-12-0x0000000000300000-0x0000000000317000-memory.dmp	upx
behavioral1/files/0x000d000000012334-11.dat	upx
behavioral1/files/0x000c00000001224f-14.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"	be56f7870daba51872c7ab4b6d3b7a29.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	be56f7870daba51872c7ab4b6d3b7a29.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2300	be56f7870daba51872c7ab4b6d3b7a29.exe
Token: SeDebugPrivilege	2252	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 2252	2300	be56f7870daba51872c7ab4b6d3b7a29.exe	28
PID 2300 wrote to memory of 2252	2300	be56f7870daba51872c7ab4b6d3b7a29.exe	28
PID 2300 wrote to memory of 2252	2300	be56f7870daba51872c7ab4b6d3b7a29.exe	28
PID 2300 wrote to memory of 2252	2300	be56f7870daba51872c7ab4b6d3b7a29.exe	28

C:\Users\Admin\AppData\Local\Temp\be56f7870daba51872c7ab4b6d3b7a29.exe
"C:\Users\Admin\AppData\Local\Temp\be56f7870daba51872c7ab4b6d3b7a29.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2300
- 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:2252

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\VZmUuJT1bLIQvUA.exe

Filesize
41KB

MD5
6c52e2f5e0186dd070cf2d782146268d

SHA1
c8d15b9acbf42055c3b2d5fa21d09da5ac445a6d

SHA256
2b671f8d8453e7d271427dda77330dc85e5fe064515f13907b7073b54422fe67

SHA512
b75d2e1fb6e5d02ddf557cd76384cce3db3ff11994ae88b0fe7fee4db48878f7e25b33f20714ebe56ea77c96e7d655678c5eb6fb183db74f3ba1cf777a6b8f70

Download Submit
C:\Windows\CTS.exe

Filesize
35KB

MD5
93e5f18caebd8d4a2c893e40e5f38232

SHA1
fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

SHA256
a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

SHA512
986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

Download Submit
memory/2252-12-0x0000000000300000-0x0000000000317000-memory.dmp

Filesize
92KB

Download
memory/2300-0-0x0000000000FA0000-0x0000000000FB7000-memory.dmp

Filesize
92KB

Download
memory/2300-9-0x0000000000FA0000-0x0000000000FB7000-memory.dmp

Filesize
92KB

Download
memory/2300-8-0x0000000000300000-0x0000000000317000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads