20b545c7b0b0cb56926972b7fc2a94f428b7aa3e4f9f4e65d1bd0ad800fb60b7

Analysis

user interaction
yes
max time kernel
165s
max time network
169s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
24/07/2026, 18:29

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
OperaInstaller.exe
Size 178KB
Sample260724-w44a4svvbx
SHA256 20b545c7b0b0cb56926972b7fc2a94f428b7aa3e4f9f4e65d1bd0ad800fb60b7
MD5 4ef32b114eaa6f05340b46d0f48154c7
SHA1 a07219dc2a0fa96f5f9a03b1bb350c9ab2679d3f
SHA512 6631937f30fcfdc536bd14735870c9c4592f4414e9c1d71ec69c718bf341ff286174b782c6a23a6c29744be940bcac34aa93845e60727e090bee8423d738ea9d
SSDEEP 3072:IYHHEa1Lz5KhEwh5kc9+5sFoq0X/r6LGV4RxJ0OZnS+Rl//bRRlTHGVJp99vqRy:IYEwP5KhVyc9esFoBvum4RvGJTEy
TLSH
T1EB046B823AC184B5E5B244321864DBB19A7DFC700F65D9DB73987A3B5DB02C09932F6B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

6^/10

discovery spyware stealer

Malware Config

Signatures

Downloads MZ/PE file 1 IoCs

flow	pid	Process
12	5604	OperaInstaller.exe

Enumerates connected drives 3 TTPs 4 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)	\??\E:	installer.exe
File opened (read-only)	\??\F:	installer.exe
File opened (read-only)	\??\E:	installer.exe
File opened (read-only)	\??\F:	installer.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Executes dropped EXE 6 IoCs

pid	Process
1652	OpInst.exe
5924	installer.exe
5828	installer.exe
5264	installer.exe
6032	installer.exe
2232	installer.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OperaInstaller.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OpInst.exe

Enumerates system info in registry 2 TTPs 4 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	installer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	installer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	installer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	installer.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5604 wrote to memory of 1652	5604	OperaInstaller.exe	90
PID 1652 wrote to memory of 5924	1652	OpInst.exe	91
PID 5924 wrote to memory of 5828	5924	installer.exe	92
PID 5924 wrote to memory of 5264	5924	installer.exe	93
PID 5924 wrote to memory of 6032	5924	installer.exe	94
PID 6032 wrote to memory of 2232	6032	installer.exe	95

C:\Users\Admin\AppData\Local\Temp\OperaInstaller.exe
"C:\Users\Admin\AppData\Local\Temp\OperaInstaller.exe"
1⤵
- Downloads MZ/PE file
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5604
- C:\Users\Admin\AppData\Local\Temp\OpInst.exe
  "C:\Users\Admin\AppData\Local\Temp\OpInst.exe" --silent --allusers=0 --setdefaultbrowser=1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1652
- - C:\Users\Admin\AppData\Local\Temp\7zS47661BE9\installer.exe
    C:\Users\Admin\AppData\Local\Temp\7zS47661BE9\installer.exe --silent --allusers=0 --setdefaultbrowser=1 --server-tracking-blob=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
    3⤵
    - Enumerates connected drives
    - Executes dropped EXE
    - Enumerates system info in registry
    - Suspicious use of WriteProcessMemory
    PID:5924
  - - C:\Users\Admin\AppData\Local\Temp\7zS47661BE9\installer.exe
      C:\Users\Admin\AppData\Local\Temp\7zS47661BE9\installer.exe --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\crash_count.txt" --url=https://crashstats-collector-2.opera.com/ --annotation=channel=Stable --annotation=plat=Win64 --annotation=prod=OperaDesktop --annotation=ver=133.0.5932.85 --initial-client-data=0x2b4,0x2b8,0x2bc,0x290,0x2c0,0x7ff64224ad88,0x7ff64224ad94,0x7ff64224ada0
      4⤵
      Executes dropped EXE
      PID:5828
  - - C:\Users\Admin\AppData\Local\Temp\.opera\0f656c4e-9fbf-4ab3-ac07-e84e38570087 Opera Installer Temp\installer.exe
      "C:\Users\Admin\AppData\Local\Temp\.opera\0f656c4e-9fbf-4ab3-ac07-e84e38570087 Opera Installer Temp\installer.exe" --version
      4⤵
      Executes dropped EXE
      PID:5264
  - - C:\Users\Admin\AppData\Local\Temp\7zS47661BE9\installer.exe
      "C:\Users\Admin\AppData\Local\Temp\7zS47661BE9\installer.exe" --backend --install --import-browser-data=0 --enable-crash-reporting=1 --enable-stats=1 --enable-installer-stats=1 --consent-given=0 --general-interests=0 --general-location=0 --personalized-content=0 --personalized-ads=0 --launchopera=1 --showunbox=0 --installfolder="C:\Users\Admin\AppData\Local\Programs\Opera" --profile-folder --language=en --singleprofile=0 --copyonly=0 --allusers=0 --setdefaultbrowser=1 --pintotaskbar=1 --pintostartmenu=0 --run-at-startup=1 --show-intro-overlay --server-tracking-data=server_tracking_data --initial-pid=5924 --package-dir-prefix="C:\Users\Admin\AppData\Local\Temp\.opera\0f656c4e-9fbf-4ab3-ac07-e84e38570087 Opera Installer Temp\opera_package_20260724193041" --session-guid=0571f763-4c25-4997-95e2-03a04b97e120 --server-tracking-blob=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 --silent --desktopshortcut=1 --wait-for-package --initial-proc-handle=D008000000000000
      4⤵
      Enumerates connected drives
      Executes dropped EXE
      Enumerates system info in registry
      Suspicious use of WriteProcessMemory
      PID:6032
    - - C:\Users\Admin\AppData\Local\Temp\7zS47661BE9\installer.exe
        
        C:\Users\Admin\AppData\Local\Temp\7zS47661BE9\installer.exe --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\crash_count.txt" --url=https://crashstats-collector-2.opera.com/ --annotation=channel=Stable --annotation=plat=Win64 --annotation=prod=OperaDesktop --annotation=ver=133.0.5932.85 --initial-client-data=0x2ac,0x2b0,0x2c0,0x288,0x2c4,0x7ff64224ad88,0x7ff64224ad94,0x7ff64224ada0
        5⤵
        Executes dropped EXE
        
        PID:2232

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

8B2B9A00839EED1DFDCCC3BFC2F5DF12

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12
Size 1KB
SHA256 63b14543360f5e89942ea8d5113526e64fbc71c1207328f0136b3a495d921dd0
MD5 adac67e1d2da2d706db151c2db316b2d
SHA1 5f6e301d23e33132209707945d0e740d5bcb8996
SHA512 9371b62ac25c6ea8fb6fca19ac47b873ced9b3d0cb45ce4de5ea974b93c12684c65aa23c7d83331c77502853258a08dff73ce5e3fb6170bd3ab1c5b3283a86a9
TLSH
T1DE31AD4EA2153027D5427F72D8CEBE83CEB1364667CAD46B18046E4229AAFC25FC80C9
MD5 SHA1 SHA512 TLSH

Submit Download

B46811C17859FFB409CF0E904A4AA8F8

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8
Size 528B
SHA256 d2bb091268ade68ad8121d2184d0fbce128070156304bd4de312e6fbd267409c
MD5 047f3e9d21d6b325d592b1959e4362e6
SHA1 5aeef5f985171cd69da397fd039854e44ebecdd2
SHA512 4523896ed4a03afafd2075d8c8947236d34fe1da2c246a3f90c2be2a5c151c18bc58a6cde5a209abb8e06e80f662e24d0149640b3e98e8a872bfa8a04ef592a4
TLSH
T147F0500990082252C855FF55DFD6AC97DC76336136E595036D458E410C12F96AF950F5
MD5 SHA1 SHA512 TLSH

Submit Download

E2C6CBAF0AF08CF203BA74BF0D0AB6D5_CB77E3D8FE906716C4DEE1FAFFCB74A5

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_CB77E3D8FE906716C4DEE1FAFFCB74A5
Size 471B
SHA256 6d41742b3b89528e64fcde7542f7e2b2bbe6c6cb4ca0da417ffc403c93abb675
MD5 4778c323e0f09bba1300caf6c010013b
SHA1 d402261c192e87c3b5b71f53460e81f0dada6bc2
SHA512 4b1990d71987a010e3ed7a8516e381656e0db96ee4020778688ac4bd8d3862026c1dd60d9343bc7a64c7104a5a9e3be66d0fc835d26089252940f82b8d86f563
TLSH
T147F0DC8285AEBC103AD508EC95E40D343820E0B54086195EA4494DF5CBBA6FF7A2242E
MD5 SHA1 SHA512 TLSH

Submit Download

8B2B9A00839EED1DFDCCC3BFC2F5DF12

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
Size 174B
SHA256 c4d572acf1867541de0720020554ff31e48ee14ed5bef14c7c2c4ead55216179
MD5 64cc5a8fbff479b1d8febd559a2a8a81
SHA1 b1baba06597b3cc1da9e40bd49283ee553a04c81
SHA512 4de43d7c2902be3ce11ad69b39ec48b970784af7b4acb14d14f57324d20a579cc9cc096a2962886a17b75334dbf24ba2743975717342a22ca1f32761503a043b
TLSH
T1E2C02B0433B102A5F2300D7F1753630287FAE100CD4183000F301258C21CB024CF0C02
MD5 SHA1 SHA512 TLSH

Submit Download

B46811C17859FFB409CF0E904A4AA8F8

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
Size 170B
SHA256 e43bc20ea823763e851abdae5e2698009592b94fca790d9589b7b317f7565538
MD5 b5f7846f0b6b4822736b234b39220a6e
SHA1 7bbb3d2515d2fc2480b76a9cebcfb65b4b899089
SHA512 1c22ffd07462ebfe86cc819f389abb8156ff389b8a5062ef2349bd305f776526fda6612a3aa083ffac0f1a78d277b76b776e47223eaf28834a8a59c445c24e29
TLSH
T1C8C09B1477654756F10D153E79D5160417B54115F5C6C3445B7411348518A900872D05
MD5 SHA1 SHA512 TLSH

Submit Download

E2C6CBAF0AF08CF203BA74BF0D0AB6D5_CB77E3D8FE906716C4DEE1FAFFCB74A5

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_CB77E3D8FE906716C4DEE1FAFFCB74A5
Size 416B
SHA256 9ea8747bfd38051220dd464c522f95ba18b01bc4ad4d039c950ece25b4696390
MD5 a4978818a886dcbff4a119587c202336
SHA1 8f22a95ed10bf5fb6cb7aad3fc2cbe8173a757d9
SHA512 a5a7111b1d04c9f2a6899892758cdea1b8bc6b0c03b306cb8b6feefd928329308417ebd3e76a159279b16018ab6e0b14dd532a58d224168a3807df406d4786ab
TLSH
T19EE0C02411F7406EF1F4D4B48FD5B9310E46F0260438A3B40BE007057703E00EE13A34
MD5 SHA1 SHA512 TLSH

Submit Download

installer.exe

Path C:\Users\Admin\AppData\Local\Temp\7zS47661BE9\installer.exe
Size 8.3MB
SHA256 3a849bcab0ee94873a4cd5d14906cfcd242257b5f23c1029fe901d6b902fcfa5
MD5 18348621dc86f326e834d517fe797d08
SHA1 d784448ad64b8156288c1d2d4480145781fcfb11
SHA512 83c5faba185d93601100f97de67e913c3b0ea6b2cffc76a0da7c274f585730e022ceca73d23b8f180ad11899a1c60ec10af203892e0be0301b0287e2a96918c0
SSDEEP 98304:k/06Gb0nq73PcI/Ztlg1RbdsuJXMZ+sUYNY8AF4:S03b0o3x/zwVC+NXF4
TLSH
T1EE967C53F2E601F8D06FDA748B7A5232A9357C464B35A2EF0A9436251E71FD46B3CB20
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

OpInst.exe

Path C:\Users\Admin\AppData\Local\Temp\OpInst.exe
Size 3.1MB
SHA256 84beaee6d4495ab71f3e0e725df6850f0fd52b45da856953ea2db0202b968e01
MD5 74ce73f8e5d3073127891f4f4db573f4
SHA1 ac05b9bfed35a1b4d5b59238dd55fa1642b552ae
SHA512 6653da63adeb2b8f052c43798944cf34b21d99d1e796a9ccad0f9effd78528fe1ccbebe9c50be76b28ae53f103cc58cb384e134719f1836c2dc9bf7ebe774f97
SSDEEP 98304:xA1p2uPKsuXudDjsnDdOlPmZr4JFTxe6HRn5CoZhQ:QpI8cDdOcUj9xb0
TLSH
T114E5232277C0C874C62321335F1DFFA8A5BDBC601E62964B77886A6E8FB0581D635F16
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

bg.png

Path C:\Users\Admin\AppData\Local\Temp\bg.png
Size 224KB
SHA256 5fa976ea5780439175bb696817cd6eab3625ba5ccfe5b220587130ed5e1da855
MD5 21eb6b8232802f32b6483eedb96677bb
SHA1 b390f01600e521586e210936a4b57a6b89e66a7b
SHA512 5cfcb0278e5e7473dde396ee34115a3f50a9ad195d99b53cc5cc33a169a42c8f729806491fc0fb607719139081fa3c774c37b1638de1289b73c0c4c80768cfcd
SSDEEP 3072:7MuA+f6FJxlUhyLg2cugpbM5Q+jBre6cAJqmm6nkrw8sGaDy7y8bRzUnKdh8BfM9:7MuAWojcVdGSf+4BML49RzUnKUuLZ
TLSH
T1E92423876BC391F4590BD65FE9386BEC3CD4E7EC82AB113C931A42424D8416B85DE8F2
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

settings.dat

Path C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Crash Reports\settings.dat
Size 40B
SHA256 f7d30aff1cb3b1216ee717290f263bbe7e6c8f49fc171c2839e8771d6b173997
MD5 5eb853529d9dadf82a95c877626c8bcd
SHA1 1695b7694e8815e16897f981b9e31662f0b6dd80
SHA512 f15f549b97d79c8a1827ea629eacba7730b052dfc9bf8a1611bf499c2ccc3f91e157ebfabcdf20aa99dd80732ef62714a924d27a3d08f42e82eef6309c303c66
MD5 SHA1 SHA512

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads