29f450dbc49525bc988eea4c822e80732d1edbf9eca7012d738533f257d152b6

Analysis

max time kernel
141s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13-01-2024 22:32

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General

Target

5994d5405ca4dbc463ca9925143716a5.exe
Size

35KB
MD5

5994d5405ca4dbc463ca9925143716a5
SHA1

482a2f42f04845e52b251a554da853d1295cba79
SHA256

29f450dbc49525bc988eea4c822e80732d1edbf9eca7012d738533f257d152b6
SHA512

a6df7b374a78780a26105a28216dd5113180838cd36d9fa2c3e4eccb42bfb4229a4b2dc44af365c102f53b61a7fd5e7fbee72e5468ff267038cca4527c59f14d
SSDEEP

768:X8Q2ZDX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIom46+IZK:s9Z3KcR4mjD9r8226+l

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4572	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 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/516-0-0x0000000000690000-0x00000000006A7000-memory.dmp	upx
behavioral2/files/0x0007000000023039-6.dat	upx
behavioral2/memory/516-8-0x0000000000690000-0x00000000006A7000-memory.dmp	upx
behavioral2/memory/4572-9-0x00000000008C0000-0x00000000008D7000-memory.dmp	upx
behavioral2/files/0x0004000000022758-12.dat	upx
behavioral2/files/0x000300000001e982-29.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"	5994d5405ca4dbc463ca9925143716a5.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	5994d5405ca4dbc463ca9925143716a5.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	516	5994d5405ca4dbc463ca9925143716a5.exe
Token: SeDebugPrivilege	4572	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 516 wrote to memory of 4572	516	5994d5405ca4dbc463ca9925143716a5.exe	89
PID 516 wrote to memory of 4572	516	5994d5405ca4dbc463ca9925143716a5.exe	89
PID 516 wrote to memory of 4572	516	5994d5405ca4dbc463ca9925143716a5.exe	89

C:\Users\Admin\AppData\Local\Temp\5994d5405ca4dbc463ca9925143716a5.exe
"C:\Users\Admin\AppData\Local\Temp\5994d5405ca4dbc463ca9925143716a5.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:516
- 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:4572

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\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
358KB

MD5
7420fedbfc341579b53e3453ef297392

SHA1
836640e1034c55853ecb831226cac919e539de91

SHA256
1d8803aee4ca6a4f1cc84073d56868075611bbfbe7c54a147b4a716cdc654a27

SHA512
50bd24e39ab3cfc612fe640499926c192fac34068a2d265a6b82ac075798b80d2b6cbb5f2660888c9b6e00583d2ff068d343c5fc85ac48dfda5deb6f1e58b4d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\nyC7FS4TsU2SENe.exe

Filesize
35KB

MD5
79d6d00d422c3096db4d227886f3ec60

SHA1
42dd7c727ba4f9eb9bf45632fc2201640c83a34b

SHA256
5544194117a2fe75ea1144d52af26f7d6491014506f3abb2bfe5fb0589d87391

SHA512
29bc6745203bdc36f13ccae798a01f7824cae9d4eca2afd494a5877e6e3127a91b172c4f3309460cd21b03a2b4e83d825598f77176d0bb42b70807587e094094

Download Submit
C:\Windows\CTS.exe

Filesize
35KB

MD5
93e5f18caebd8d4a2c893e40e5f38232

SHA1
fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

SHA256
a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

SHA512
986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

Download Submit
memory/516-0-0x0000000000690000-0x00000000006A7000-memory.dmp

Filesize
92KB

Download
memory/516-8-0x0000000000690000-0x00000000006A7000-memory.dmp

Filesize
92KB

Download
memory/4572-9-0x00000000008C0000-0x00000000008D7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads