ebd9ea05e2ba1f40d420da180063709967adf4f851c811ce2f0abf491c99cf29

Analysis

max time kernel
1796s
max time network
1799s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
15/06/2024, 16:35

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General

Target

OperaGXSetup.exe
Size

3.4MB
MD5

b96daab710a921a57577ec655644f218
SHA1

6e6aa81a463977e27a910565ba7311d98b5c6019
SHA256

ebd9ea05e2ba1f40d420da180063709967adf4f851c811ce2f0abf491c99cf29
SHA512

ccfd50d258569414b63c23cf0bb7fea1cb4e85263daa26050318e5ccdbb57431295c1b24acefd83db217283caed72c7f719e898cf80976f280098664fef167fc
SSDEEP

98304:lsnNu5qENvcys2iKVx2KVBok2aMoKySPFlH4+xDx0TJGw8oeu26N84:lm0qGdzboNPbH4UN76NL

Score

7^/10

spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1868	OperaGXSetup.exe

Loads dropped DLL 3 IoCs

pid	Process
2256	OperaGXSetup.exe
1976	OperaGXSetup.exe
1868	OperaGXSetup.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
behavioral1/memory/2256-3-0x0000000000080000-0x0000000000663000-memory.dmp	upx
behavioral1/memory/1976-7-0x0000000000080000-0x0000000000663000-memory.dmp	upx
behavioral1/files/0x000700000002340e-13.dat	upx
behavioral1/memory/1868-15-0x0000000000120000-0x0000000000703000-memory.dmp	upx
behavioral1/memory/1868-20-0x0000000000120000-0x0000000000703000-memory.dmp	upx
behavioral1/memory/1976-23-0x0000000000080000-0x0000000000663000-memory.dmp	upx

Enumerates connected drives 3 TTPs 2 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\D:	OperaGXSetup.exe
File opened (read-only)	\??\F:	OperaGXSetup.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2256	OperaGXSetup.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 1976	2256	OperaGXSetup.exe	82
PID 2256 wrote to memory of 1976	2256	OperaGXSetup.exe	82
PID 2256 wrote to memory of 1976	2256	OperaGXSetup.exe	82
PID 2256 wrote to memory of 1868	2256	OperaGXSetup.exe	85
PID 2256 wrote to memory of 1868	2256	OperaGXSetup.exe	85
PID 2256 wrote to memory of 1868	2256	OperaGXSetup.exe	85

C:\Users\Admin\AppData\Local\Temp\OperaGXSetup.exe
"C:\Users\Admin\AppData\Local\Temp\OperaGXSetup.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Users\Admin\AppData\Local\Temp\OperaGXSetup.exe
  C:\Users\Admin\AppData\Local\Temp\OperaGXSetup.exe --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\crash_count.txt" --url=https://crashstats-collector.opera.com/collector/submit --annotation=channel=Stable --annotation=plat=Win32 --annotation=prod=OperaDesktopGX --annotation=ver=96.0.4693.59 --initial-client-data=0x2f4,0x2f8,0x2fc,0x2c8,0x300,0x751764b0,0x751764c0,0x751764cc
  2⤵
  - Loads dropped DLL
  PID:1976
- C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\OperaGXSetup.exe
  "C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\OperaGXSetup.exe" --version
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

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\Temp\.opera\Opera GX Installer Temp\OperaGXSetup.exe

Filesize
3.4MB

MD5
b96daab710a921a57577ec655644f218

SHA1
6e6aa81a463977e27a910565ba7311d98b5c6019

SHA256
ebd9ea05e2ba1f40d420da180063709967adf4f851c811ce2f0abf491c99cf29

SHA512
ccfd50d258569414b63c23cf0bb7fea1cb4e85263daa26050318e5ccdbb57431295c1b24acefd83db217283caed72c7f719e898cf80976f280098664fef167fc

Download Submit
C:\Users\Admin\AppData\Local\Temp\Opera_installer_2406151708183802256.dll

Filesize
5.3MB

MD5
f98d55e0edb2877478545624674864f1

SHA1
cd8df75c33c7f8fce64da869ceabfd7d65c71cc2

SHA256
4b42a530d4a22f3d7a34e816908738096ea0a91137beb96c6b3f4798f5c7ceab

SHA512
3fbed3d9b802edadf24d3d2c0a77f9f6224cea7a845d13dd2982909346451dc2db09f2b513b04a66ae71c685117da640319a87a5c321e49c340149da586b33e0

Download Submit
memory/1868-15-0x0000000000120000-0x0000000000703000-memory.dmp

Filesize
5.9MB

Download
memory/1868-20-0x0000000000120000-0x0000000000703000-memory.dmp

Filesize
5.9MB

Download
memory/1976-7-0x0000000000080000-0x0000000000663000-memory.dmp

Filesize
5.9MB

Download
memory/1976-23-0x0000000000080000-0x0000000000663000-memory.dmp

Filesize
5.9MB

Download
memory/2256-3-0x0000000000080000-0x0000000000663000-memory.dmp

Filesize
5.9MB

Download