612882f1d59d610ed6ebdbc5b4d71d256e3857d0faf91d802fbc4b60d64edb52

Analysis

max time kernel
142s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 08:50

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General

Target

ab7cd8fa28142b0dc7a04eb54900fed3.exe
Size

1.1MB
MD5

ab7cd8fa28142b0dc7a04eb54900fed3
SHA1

b7b2037e9f0141a0e9628d60cc2344e0e6a5c905
SHA256

612882f1d59d610ed6ebdbc5b4d71d256e3857d0faf91d802fbc4b60d64edb52
SHA512

fa2bcb6157eb8e3413da2b9c6617d2e1759bb0dfecdf2fd1728f255449384618e4e7f3cf78377513a99e903bb1924ce365448697a8835c2b73b34db3a559783f
SSDEEP

24576:h3+USWqrLV4R9W1zqiChJfRAONeT61t0WnW1s/wfIuyzjbtBhqM7VbwE2wUr4aLj:h3+sqVBWJ/vNeT6vQsQ43RqMxF2B+ed

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3284	emICTLmO5c7RWkq.exe
1164	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/844-0-0x0000000000D90000-0x0000000000DA7000-memory.dmp	upx
behavioral2/memory/1164-8-0x0000000000400000-0x0000000000417000-memory.dmp	upx
behavioral2/files/0x0008000000023308-7.dat	upx
behavioral2/memory/844-9-0x0000000000D90000-0x0000000000DA7000-memory.dmp	upx
behavioral2/files/0x000300000002270b-12.dat	upx
behavioral2/memory/1164-174-0x0000000000400000-0x0000000000417000-memory.dmp	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"	ab7cd8fa28142b0dc7a04eb54900fed3.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)\GUMB844.tmp\goopdateres_sl.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_zh-CN.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\psmachine.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\psuser_64.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_gu.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_ru.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_ml.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_te.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_de.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_el.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_kn.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_lv.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\GoogleUpdateWebPlugin.exe	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\psmachine_64.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_et.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_uk.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_es-419.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_ta.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_th.dll	emICTLmO5c7RWkq.exe
File opened for modification	C:\Program Files (x86)\GUMB844.tmp\GoogleUpdateSetup.exe	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\GoogleUpdateComRegisterShell64.exe	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_am.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_da.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_en-GB.dll	emICTLmO5c7RWkq.exe
File opened for modification	C:\Program Files (x86)\GUTB845.tmp	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\GoogleCrashHandler.exe	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_hu.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_pt-PT.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_ur.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_sr.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdate.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\psuser.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_fi.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_hi.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_cs.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_hr.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_mr.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_sw.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_ja.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_no.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_iw.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_sv.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\npGoogleUpdate3.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_bn.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_en.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_es.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_id.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_ms.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\GoogleUpdate.exe	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\GoogleUpdateHelper.msi	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\GoogleUpdateOnDemand.exe	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_fr.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\GoogleCrashHandler64.exe	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\GoogleUpdateCore.exe	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_lt.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_fa.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_nl.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_ro.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_bg.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_ca.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_pl.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_tr.dll	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\GoogleUpdateBroker.exe	emICTLmO5c7RWkq.exe
File created	C:\Program Files (x86)\GUMB844.tmp\goopdateres_ar.dll	emICTLmO5c7RWkq.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	ab7cd8fa28142b0dc7a04eb54900fed3.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	844	ab7cd8fa28142b0dc7a04eb54900fed3.exe
Token: SeDebugPrivilege	1164	CTS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 3284	844	ab7cd8fa28142b0dc7a04eb54900fed3.exe	93
PID 844 wrote to memory of 3284	844	ab7cd8fa28142b0dc7a04eb54900fed3.exe	93
PID 844 wrote to memory of 3284	844	ab7cd8fa28142b0dc7a04eb54900fed3.exe	93
PID 844 wrote to memory of 1164	844	ab7cd8fa28142b0dc7a04eb54900fed3.exe	94
PID 844 wrote to memory of 1164	844	ab7cd8fa28142b0dc7a04eb54900fed3.exe	94
PID 844 wrote to memory of 1164	844	ab7cd8fa28142b0dc7a04eb54900fed3.exe	94

C:\Users\Admin\AppData\Local\Temp\ab7cd8fa28142b0dc7a04eb54900fed3.exe
"C:\Users\Admin\AppData\Local\Temp\ab7cd8fa28142b0dc7a04eb54900fed3.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:844
- C:\Users\Admin\AppData\Local\Temp\emICTLmO5c7RWkq.exe
  C:\Users\Admin\AppData\Local\Temp\emICTLmO5c7RWkq.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:3284
- 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:1164

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4048 --field-trial-handle=2432,i,12161922670941700748,3348345705955601576,262144 --variations-seed-version /prefetch:8
1⤵
PID:3408

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
380KB

MD5
d4890c2e5a0091776edf5d6b8736226d

SHA1
0b3e8ac56a99d82e256c51ed68be279598c1b1cc

SHA256
5d65d5eaf55d1f51b7310dbf97a7ce9b476410b6384975862117b979991186fd

SHA512
82fea4e87e06384c50c5eee549a31cf4bc5776fa830b01663a10e1db60b5c049627ad28404ea240307cf57912b35d547cc35652293b452497c6e40aaa963d751

Download Submit
C:\Users\Admin\AppData\Local\Temp\emICTLmO5c7RWkq.exe

Filesize
1.1MB

MD5
53baee50f7a69bf3bc0fffe25341a923

SHA1
0b7998f5517ed4e7c5aeea3a89d73b60d2a2d102

SHA256
f91e258ea71dcbfc82371b2ee3e20852e45bef0cb946223d1141a6ef1dfb793f

SHA512
0eb28032849f775f604b7064a4f00f7d802c8c2fd5c7bc21b48298e6c3d316286963794b4c6c4981199c21f56b08d9aa466a470d40738d1b633b7feddc8e6241

Download Submit
C:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
memory/844-0-0x0000000000D90000-0x0000000000DA7000-memory.dmp

Filesize
92KB

Download
memory/844-9-0x0000000000D90000-0x0000000000DA7000-memory.dmp

Filesize
92KB

Download
memory/1164-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1164-174-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads