101bae005b01783cf78775f07100f9c0178ce14d341d246c8030d90525097c3f

Analysis

max time kernel
149s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08-03-2024 02:58

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General

Target

ba58a01cd5ac7b2c9b9fe9691fce476a.exe
Size

122KB
MD5

ba58a01cd5ac7b2c9b9fe9691fce476a
SHA1

f74d1c47f8f2cf6606c8ac9af595f13c20eff7f9
SHA256

101bae005b01783cf78775f07100f9c0178ce14d341d246c8030d90525097c3f
SHA512

d3cc4a6d981222230edc53dcc35252787b024bf15756052820e76c3e76539aa434c048b64fcdf2ec1ceecc51d2f08db4d983be11f5a598871d9c1a522649c385
SSDEEP

3072:sr3KcWmjRrzSrY1v1b05ZjY3shX+JYREg0V2jN:/bopANYcpJRp0wjN

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
228	t9uvT7AKOi89mXa.exe
3024	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/1484-0-0x00000000001E0000-0x00000000001F7000-memory.dmp	upx
behavioral2/memory/3024-9-0x0000000000D70000-0x0000000000D87000-memory.dmp	upx
behavioral2/files/0x000a000000023209-8.dat	upx
behavioral2/memory/1484-7-0x00000000001E0000-0x00000000001F7000-memory.dmp	upx
behavioral2/memory/3024-13-0x0000000000D70000-0x0000000000D87000-memory.dmp	upx
behavioral2/files/0x000200000002279d-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"	ba58a01cd5ac7b2c9b9fe9691fce476a.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	ba58a01cd5ac7b2c9b9fe9691fce476a.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1484	ba58a01cd5ac7b2c9b9fe9691fce476a.exe
Token: SeDebugPrivilege	3024	CTS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1484 wrote to memory of 228	1484	ba58a01cd5ac7b2c9b9fe9691fce476a.exe	88
PID 1484 wrote to memory of 228	1484	ba58a01cd5ac7b2c9b9fe9691fce476a.exe	88
PID 1484 wrote to memory of 228	1484	ba58a01cd5ac7b2c9b9fe9691fce476a.exe	88
PID 1484 wrote to memory of 3024	1484	ba58a01cd5ac7b2c9b9fe9691fce476a.exe	90
PID 1484 wrote to memory of 3024	1484	ba58a01cd5ac7b2c9b9fe9691fce476a.exe	90
PID 1484 wrote to memory of 3024	1484	ba58a01cd5ac7b2c9b9fe9691fce476a.exe	90

C:\Users\Admin\AppData\Local\Temp\ba58a01cd5ac7b2c9b9fe9691fce476a.exe
"C:\Users\Admin\AppData\Local\Temp\ba58a01cd5ac7b2c9b9fe9691fce476a.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1484
- C:\Users\Admin\AppData\Local\Temp\t9uvT7AKOi89mXa.exe
  C:\Users\Admin\AppData\Local\Temp\t9uvT7AKOi89mXa.exe
  2⤵
  - Executes dropped EXE
  PID:228
- 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:3024

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
7a8625a3cbd18e1461e4c194aab10ee4

SHA1
c972df29483efc43d624e9b629bc7f74d5e78a8f

SHA256
36fea4e120f5f61c8e5a501aee36f77a82e4deab9e52f29e0de84a942b992a7a

SHA512
26e4d3e25cd31b316252694a8a21b93b157f17f039ef0442b9df2f89bfc976c747d4355733af3dfe8475336682761d01ae0dc2b6ee96638be3f219a15e656300

Download Submit
C:\Users\Admin\AppData\Local\Temp\t9uvT7AKOi89mXa.exe

Filesize
87KB

MD5
015207664f86b0d334146d7bc7551a0f

SHA1
b466beca074c3c4a500bfa00fd691cf0fe300d8c

SHA256
3212cacc4d669f381ad1048e43726ec2841de32135438992c55f792bf03beafc

SHA512
6ced0d294fd9c330cab20739336c6cd4c1e202d521fd41c6fd6bdfe7e720247c84ac10a7e25855d3cc9b08f2d9251798eb52383527a9363c5126a6b205ff0657

Download Submit
C:\Windows\CTS.exe

Filesize
35KB

MD5
93e5f18caebd8d4a2c893e40e5f38232

SHA1
fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

SHA256
a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

SHA512
986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

Download Submit
memory/1484-0-0x00000000001E0000-0x00000000001F7000-memory.dmp

Filesize
92KB

Download
memory/1484-7-0x00000000001E0000-0x00000000001F7000-memory.dmp

Filesize
92KB

Download
memory/3024-9-0x0000000000D70000-0x0000000000D87000-memory.dmp

Filesize
92KB

Download
memory/3024-13-0x0000000000D70000-0x0000000000D87000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads