a6e26beaf57fb5edb22c51cb69da1532809cc5f03678c2723fb334a0dd37f0b4

Analysis

max time kernel
148s
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
29/12/2023, 23:07

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General

Target

067c2bf332281fcd30f611657bc5e2b0.exe
Size

1.1MB
MD5

067c2bf332281fcd30f611657bc5e2b0
SHA1

7b090f3272dcab1e323d56917f29ae7120b3af3a
SHA256

a6e26beaf57fb5edb22c51cb69da1532809cc5f03678c2723fb334a0dd37f0b4
SHA512

1fa0d0d60cd25aae88981cb683b3cfeab6bf7439038552d3ae1a8b7c8945a66c896bb81b16e31b2e8ca058a20136db34ded35ca8e2cb406570e12fa35b7f6ad5
SSDEEP

24576:h6fIzcQyIPZR+LZUJABF4JUSn7hJMr08GKa0vbgSbXhAkAU1e:h/VyIxsLaJAUn7kQDKa4pbXhAkAU1e

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2264	3HVvz8OhRhp2xkr.exe
220	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
behavioral2/memory/4768-0-0x0000000000030000-0x0000000000047000-memory.dmp	upx
behavioral2/files/0x000f00000002315a-7.dat	upx
behavioral2/memory/4768-8-0x0000000000030000-0x0000000000047000-memory.dmp	upx
behavioral2/memory/220-9-0x00000000007D0000-0x00000000007E7000-memory.dmp	upx
behavioral2/files/0x000300000002276d-12.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"	067c2bf332281fcd30f611657bc5e2b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\GUM443D.tmp\psmachine_64.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_bg.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_ca.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_es-419.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_et.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_it.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_kn.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_sv.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdate.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\GoogleUpdateBroker.exe	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\GoogleUpdateWebPlugin.exe	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_pt-BR.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_sr.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_zh-TW.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\GoogleUpdateSetup.exe	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_en.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_mr.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_ms.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_bn.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_cs.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_en-GB.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_id.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_ru.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_ta.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_de.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_gu.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_hu.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_ko.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_pl.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_sl.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_zh-CN.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\GoogleUpdate.exe	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_uk.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_pt-PT.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\GoogleUpdateOnDemand.exe	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\GoogleUpdateComRegisterShell64.exe	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\psuser.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\GoogleUpdateCore.exe	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_fi.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_lt.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_no.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_hr.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_vi.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_iw.dll	3HVvz8OhRhp2xkr.exe
File opened for modification	C:\Program Files (x86)\GUM443D.tmp\GoogleUpdateSetup.exe	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\GoogleCrashHandler.exe	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_da.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_nl.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_th.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\GoogleUpdateHelper.msi	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_ar.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_hi.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_ja.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_ml.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_sk.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\npGoogleUpdate3.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_ro.dll	3HVvz8OhRhp2xkr.exe
File opened for modification	C:\Program Files (x86)\GUT443E.tmp	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_es.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_fr.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\psmachine.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\GoogleCrashHandler64.exe	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_fa.dll	3HVvz8OhRhp2xkr.exe
File created	C:\Program Files (x86)\GUM443D.tmp\goopdateres_fil.dll	3HVvz8OhRhp2xkr.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	067c2bf332281fcd30f611657bc5e2b0.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4768	067c2bf332281fcd30f611657bc5e2b0.exe
Token: SeDebugPrivilege	220	CTS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4768 wrote to memory of 2264	4768	067c2bf332281fcd30f611657bc5e2b0.exe	89
PID 4768 wrote to memory of 2264	4768	067c2bf332281fcd30f611657bc5e2b0.exe	89
PID 4768 wrote to memory of 2264	4768	067c2bf332281fcd30f611657bc5e2b0.exe	89
PID 4768 wrote to memory of 220	4768	067c2bf332281fcd30f611657bc5e2b0.exe	90
PID 4768 wrote to memory of 220	4768	067c2bf332281fcd30f611657bc5e2b0.exe	90
PID 4768 wrote to memory of 220	4768	067c2bf332281fcd30f611657bc5e2b0.exe	90

C:\Users\Admin\AppData\Local\Temp\067c2bf332281fcd30f611657bc5e2b0.exe
"C:\Users\Admin\AppData\Local\Temp\067c2bf332281fcd30f611657bc5e2b0.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4768
- C:\Users\Admin\AppData\Local\Temp\3HVvz8OhRhp2xkr.exe
  C:\Users\Admin\AppData\Local\Temp\3HVvz8OhRhp2xkr.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:2264
- 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:220

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
352KB

MD5
4f4826c6385f26948a379af6674b8fe5

SHA1
6ab19f07b196f52a764923be7de6a48b83ab5053

SHA256
c1b282d908d322d918406ecdcaf9ae12d5df0444da704dcb04ec8b087b45c1d3

SHA512
3c846e7cf5028a0e62cabe0914cf4a11993d02e3b11e79064b62c82f61aab2aef5db2a22635750063680dc1ad162d2cb1008b7412ea3d8d820e54d6a02683baf

Download Submit
C:\Users\Admin\AppData\Local\Temp\3HVvz8OhRhp2xkr.exe

Filesize
1.1MB

MD5
53baee50f7a69bf3bc0fffe25341a923

SHA1
0b7998f5517ed4e7c5aeea3a89d73b60d2a2d102

SHA256
f91e258ea71dcbfc82371b2ee3e20852e45bef0cb946223d1141a6ef1dfb793f

SHA512
0eb28032849f775f604b7064a4f00f7d802c8c2fd5c7bc21b48298e6c3d316286963794b4c6c4981199c21f56b08d9aa466a470d40738d1b633b7feddc8e6241

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/220-9-0x00000000007D0000-0x00000000007E7000-memory.dmp

Filesize
92KB

Download
memory/4768-0-0x0000000000030000-0x0000000000047000-memory.dmp

Filesize
92KB

Download
memory/4768-8-0x0000000000030000-0x0000000000047000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads