998711017d5dfff0cae2cbecaa6bc562df30023eb9c567663afb00cb1fd4b8eb

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 12:24

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General

Target

186b78ea270673eee3857e539cf17c47.exe
Size

317KB
MD5

186b78ea270673eee3857e539cf17c47
SHA1

77e8905992168906a89fea1d89aa436e9b85c544
SHA256

998711017d5dfff0cae2cbecaa6bc562df30023eb9c567663afb00cb1fd4b8eb
SHA512

976ff6d23ee9115141aeb2e4fc39ed0bb464922122c1773fa1e94a56b12ab475a5627461beda1a85824d99175f2b36ca895165a085555f30bb433e91455fa443
SSDEEP

6144:hGemgUqlcZh6ecXy9gCpCV4VD7jbS2qFpmxa9hovIX5tiqaVN8u5Tw:hAcOh6plCJ3jbS2qVhov2tiN/w

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
3572	2d3g93BIDIIabz1.exe
1224	CTS.exe
2656	dxwsetup.exe

Loads dropped DLL 2 IoCs

pid	Process
2656	dxwsetup.exe
2656	dxwsetup.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/4012-0-0x0000000000450000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1224-8-0x0000000000480000-0x0000000000497000-memory.dmp	upx
behavioral2/files/0x0007000000023219-10.dat	upx
behavioral2/memory/4012-9-0x0000000000450000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1224-11-0x0000000000480000-0x0000000000497000-memory.dmp	upx
behavioral2/files/0x000400000001e6ff-28.dat	upx

Adds Run key to start application 2 TTPs 3 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"	186b78ea270673eee3857e539cf17c47.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	2d3g93BIDIIabz1.exe

Drops file in System32 directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\DirectX\WebSetup	dxwsetup.exe
File opened for modification	C:\Windows\SysWOW64\directx\websetup\SET952.tmp	dxwsetup.exe
File created	C:\Windows\SysWOW64\directx\websetup\SET952.tmp	dxwsetup.exe
File opened for modification	C:\Windows\SysWOW64\directx\websetup\dsetup.dll	dxwsetup.exe
File opened for modification	C:\Windows\SysWOW64\directx\websetup\SET962.tmp	dxwsetup.exe
File created	C:\Windows\SysWOW64\directx\websetup\SET962.tmp	dxwsetup.exe
File opened for modification	C:\Windows\SysWOW64\directx\websetup\dsetup32.dll	dxwsetup.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	186b78ea270673eee3857e539cf17c47.exe
File created	C:\Windows\CTS.exe	CTS.exe
File opened for modification	C:\Windows\Logs\DirectX.log	dxwsetup.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4012	186b78ea270673eee3857e539cf17c47.exe
Token: SeDebugPrivilege	1224	CTS.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4012 wrote to memory of 3572	4012	186b78ea270673eee3857e539cf17c47.exe	90
PID 4012 wrote to memory of 3572	4012	186b78ea270673eee3857e539cf17c47.exe	90
PID 4012 wrote to memory of 3572	4012	186b78ea270673eee3857e539cf17c47.exe	90
PID 4012 wrote to memory of 1224	4012	186b78ea270673eee3857e539cf17c47.exe	91
PID 4012 wrote to memory of 1224	4012	186b78ea270673eee3857e539cf17c47.exe	91
PID 4012 wrote to memory of 1224	4012	186b78ea270673eee3857e539cf17c47.exe	91
PID 3572 wrote to memory of 2656	3572	2d3g93BIDIIabz1.exe	94
PID 3572 wrote to memory of 2656	3572	2d3g93BIDIIabz1.exe	94
PID 3572 wrote to memory of 2656	3572	2d3g93BIDIIabz1.exe	94

C:\Users\Admin\AppData\Local\Temp\186b78ea270673eee3857e539cf17c47.exe
"C:\Users\Admin\AppData\Local\Temp\186b78ea270673eee3857e539cf17c47.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4012
- C:\Users\Admin\AppData\Local\Temp\2d3g93BIDIIabz1.exe
  C:\Users\Admin\AppData\Local\Temp\2d3g93BIDIIabz1.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3572
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in System32 directory
    - Drops file in Windows directory
    PID:2656
- 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:1224

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
352KB

MD5
6328e5aece1ccc682d17c4739af32e62

SHA1
313eeb2dd32339d499f95c38e891865f15b988e0

SHA256
d12868b7053e74fa4634989daf3d23cc9a393f6b549baae20e4292f0c9570d08

SHA512
5c464205331762cc4533f1880a38bfdfaa89fc5288e2ccf066ab5c9eb61fda5e47816ba48cc684bf28dc35b514a825d277a5a9ac820d3136bf0509bfb98b808a

Download Submit
C:\Users\Admin\AppData\Local\Temp\2d3g93BIDIIabz1.exe

Filesize
288KB

MD5
2cbd6ad183914a0c554f0739069e77d7

SHA1
7bf35f2afca666078db35ca95130beb2e3782212

SHA256
2cf71d098c608c56e07f4655855a886c3102553f648df88458df616b26fd612f

SHA512
ff1af2d2a883865f2412dddcd68006d1907a719fe833319c833f897c93ee750bac494c0991170dc1cf726b3f0406707daa361d06568cd610eeb4ed1d9c0fbb10

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dsetup.dll

Filesize
93KB

MD5
984cad22fa542a08c5d22941b888d8dc

SHA1
3e3522e7f3af329f2235b0f0850d664d5377b3cd

SHA256
57bc22850bb8e0bcc511a9b54cd3da18eec61f3088940c07d63b9b74e7fe2308

SHA512
8ef171218b331f0591a4b2a5e68dcbae98f5891518ce877f1d8d1769c59c0f4ddae43cc43da6606975078f889c832f0666484db9e047782e7a0ae4a2d41f5bef

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dsetup32.dll

Filesize
512KB

MD5
31de7c2c651b17c33bff29c16aa9bdf4

SHA1
36e06a4f7bc123f2995c8892c5e5e53ff8909611

SHA256
23464af565b4d496a45f87dd8daf078b1d03f230914e784f2af51ba29271d963

SHA512
6b7e6e078bae2bacc75abc7aa7a4c47d6690f2597a8440058eef6bd2259a2271a9ca41a6300e0469caf6f8398ddca504532b428186df92db5141a70a98ad575b

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.exe

Filesize
515KB

MD5
ac3a5f7be8cd13a863b50ab5fe00b71c

SHA1
eee417cd92e263b84dd3b5dcc2b4b463fe6e84d9

SHA256
8f5e89298e3dc2e22d47515900c37cca4ee121c5ba06a6d962d40ad6e1a595da

SHA512
c8bbe791373dad681f0ac9f5ab538119bde685d4f901f5db085c73163fc2e868972b2de60e72ccd44f745f1fd88fcde2e27f32302d8cbd3c1f43e6e657c79fba

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.inf

Filesize
477B

MD5
ad8982eaa02c7ad4d7cdcbc248caa941

SHA1
4ccd8e038d73a5361d754c7598ed238fc040d16b

SHA256
d63c35e9b43eb0f28ffc28f61c9c9a306da9c9de3386770a7eb19faa44dbfc00

SHA512
5c805d78bafff06c36b5df6286709ddf2d36808280f92e62dc4c285edd9176195a764d5cf0bb000da53ca8bbf66ddd61d852e4259e3113f6529e2d7bdbdd6e28

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
C:\Windows\SysWOW64\directx\websetup\dsetup32.dll

Filesize
448KB

MD5
488075d665eb731d4f7a5bfac3986760

SHA1
1243f2dec1abd9dd4cb0bbb64a7dc6d8bf74ed5f

SHA256
457b027bfdfb55bd3925e747ecf13899853b54df8b504f0ab76388965dc94e6d

SHA512
5cddc275cfdee3dd30df48f9de1a47680bff85d1b87e29edd59dc344027617a95ce8cb70383e1c1af8ff339f0a100ce6038b97571778ea2c58058dba6e46283f

Download Submit
C:\Windows\SysWOW64\directx\websetup\dsetup32.dll

Filesize
1.5MB

MD5
a5412a144f63d639b47fcc1ba68cb029

SHA1
81bd5f1c99b22c0266f3f59959dfb4ea023be47e

SHA256
8a011da043a4b81e2b3d41a332e0ff23a65d546bd7636e8bc74885e8746927d6

SHA512
2679a4cb690e8d709cb5e57b59315d22f69f91efa6c4ee841943751c882b0c0457fd4a3376ac3832c757c6dfaffb7d844909c5665b86a95339af586097ee0405

Download Submit
memory/1224-11-0x0000000000480000-0x0000000000497000-memory.dmp

Filesize
92KB

Download
memory/1224-8-0x0000000000480000-0x0000000000497000-memory.dmp

Filesize
92KB

Download
memory/4012-0-0x0000000000450000-0x0000000000467000-memory.dmp

Filesize
92KB

Download
memory/4012-9-0x0000000000450000-0x0000000000467000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads