1b763bba40f1312daf5243c2f89fc7646ae47fe6638ad528530c261c1fe67872

Analysis

geolocation tags

asiadelhiinindia
user interaction
yes
max time kernel
899s
max time network
449s
platform
windows10-2004_x64
resource
win10v2004-20250619-en
resource tags

arch:x64arch:x86image:win10v2004-20250619-enlocale:en-usos:windows10-2004-x64system
submitted
11/05/2026, 02:23

Sharing

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Report Analysis Logs

General

Target
OperaSetup.exe
Size 3.1MB
Sample260511-cvd53sdv5q
SHA256 1b763bba40f1312daf5243c2f89fc7646ae47fe6638ad528530c261c1fe67872
MD5 3695edfd59a168a5eafaf0335dfd3251
SHA1 9ea438a391232c8861e83701a448840c1691b5ce
SHA512 ecf66279c38f207993cda739b3f5438cc10f79885e3f968f17d87aed06f8fdade9e217bdc3d723233edb93b57ae45ed039b8f4b99dd255eb80bbc758ef63440f
SSDEEP 49152:eVAbwoo9kcjKdkDC3wSwsl+8M8Xwm5NjkQCxsfqEw9mvs2H91sIqfG3zbnA+p:qAvoyP33wSwqtZLbPyEvHr1CG3H
TLSH
T110E523627B80C436DA6221328F15F718467EFDA14E328A9773C46D1E9FB04C1A635F6B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

defense_evasion discovery spyware stealer trojan

Malware Config

Signatures

Downloads MZ/PE file 1 IoCs

flow	pid	Process
37	4288	installer.exe

Executes dropped EXE 6 IoCs

pid	Process
4288	installer.exe
2988	installer.exe
556	installer.exe
2900	Assistant_130.0.5847.41_Setup.exe_sfx.exe
3868	assistant_installer.exe
2864	assistant_installer.exe

Loads dropped DLL 4 IoCs

pid	Process
3868	assistant_installer.exe
3868	assistant_installer.exe
2864	assistant_installer.exe
2864	assistant_installer.exe

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

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:	installer.exe
File opened (read-only)	\??\F:	installer.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	OperaSetup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Assistant_130.0.5847.41_Setup.exe_sfx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	assistant_installer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	assistant_installer.exe

Enumerates system info in registry 2 TTPs 4 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Modifies system certificate store 2 TTPs 5 IoCs

defense_evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DDFB16CD4931C973A2037D3FC83A4D7D775D05E4	installer.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DDFB16CD4931C973A2037D3FC83A4D7D775D05E4\Blob = 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	installer.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DDFB16CD4931C973A2037D3FC83A4D7D775D05E4\Blob = 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	installer.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DDFB16CD4931C973A2037D3FC83A4D7D775D05E4\Blob = 190000000100000010000000ffac207997bb2cfe865570179ee037b90f00000001000000300000004ea1b34b10b982a96a38915843507820ad632c6aad8343e337b34d660cd8366fa154544ae80668ae1fdf3931d57e1996530000000100000040000000303e301f06096086480186fd6c020130123010060a2b0601040182373c0101030200c0301b060567810c010330123010060a2b0601040182373c0101030200c0090000000100000034000000303206082b0601050507030206082b0601050507030306082b0601050507030406082b0601050507030106082b060105050703080b00000001000000320000004400690067006900430065007200740020005400720075007300740065006400200052006f006f0074002000470034000000620000000100000020000000552f7bdcf1a7af9e6ce672017f4f12abf77240c78e761ac203d1d9d20ac89988140000000100000014000000ecd7e382d2715d644cdf2e673fe7ba98ae1c0f4f1d0000000100000010000000a86dc6a233eb339610f3ed414927c559030000000100000014000000ddfb16cd4931c973a2037d3fc83a4d7d775d05e404000000010000001000000078f2fcaa601f2fb4ebc937ba532e75492000000001000000940500003082059030820378a0030201020210059b1b579e8e2132e23907bda777755c300d06092a864886f70d01010c05003062310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d3121301f060355040313184469676943657274205472757374656420526f6f74204734301e170d3133303830313132303030305a170d3338303131353132303030305a3062310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d3121301f060355040313184469676943657274205472757374656420526f6f7420473430820222300d06092a864886f70d01010105000382020f003082020a0282020100bfe6907368debbe45d4a3c3022306933ecc2a7252ec9213df28ad859c2e129a73d58ab769acdae7b1b840dc4301ff31ba43816eb56c6976d1dabb279f2ca11d2e45fd6053c520f521fc69e15a57ebe9fa95716595572af689370c2b2ba75996a733294d11044102edf82f30784e6743b6d71e22d0c1bee20d5c9201d63292dceec5e4ec893f821619b34eb05c65eec5b1abcebc9cfcdac34405fb17a66ee77c848a86657579f54588e0c2bb74fa730d956eeca7b5de3adc94f5ee535e731cbda935edc8e8f80dab69198409079c378c7b6b1c4b56a183803108dd8d437a42e057d88f5823e109170ab55824132d7db04732a6e91017c214cd4bcae1b03755d7866d93a31449a3340bf08d75a49a4c2e6a9a067dda427bca14f39b5115817f7245c468f64f7c169887698763d595d4276878997697a48f0e0a2121b669a74cade4b1ee70e63aee6d4ef92923a9e3ddc00e4452589b69a44192b7ec094b4d2616deb33d9c5df4b0400cc7d1c95c38ff721b2b211b7bb7ff2d58c702c4160aab1631844951a76627ef680b0fbe864a633d18907e1bdb7e643a418b8a67701e10f940c211db2542925896ce50e52514774be26acb64175de7aac5f8d3fc9bcd34111125be51050eb31c5ca72162209df7c4c753f63ec215fc420516b6fb1ab868b4fc2d6455f9d20fca11ec5c08fa2b17e0a2699f5e4692f981d2df5d9a9b21de51b0203010001a3423040300f0603551d130101ff040530030101ff300e0603551d0f0101ff040403020186301d0603551d0e04160414ecd7e382d2715d644cdf2e673fe7ba98ae1c0f4f300d06092a864886f70d01010c05000382020100bb61d97da96cbe17c4911bc3a1a2008de364680f56cf77ae70f9fd9a4a99b9c9785c0c0c5fe4e61429560b36495d4463e0ad9c9618661b230d3d79e96d6bd654f8d23cc14340ae1d50f552fc903bbb9899696bc7c1a7a868a427dc9df927ae3085b9f6674d3a3e8f5939225344ebc85d03caed507a7d62210a80c87366d1a005605fe8a5b4a7afa8f76d359c7c5a8ad6a23899f3788bf44dd2200bde04ee8c9b4781720dc01432ef30592eaee071f256e46a976f92506d968d687a9ab236147a06f224b9091150d708b1b8897a8423614229e5a3cda22041d7d19c64d9ea26a18b14d74c19b25041713d3f4d7023860c4adc81d2cc3294840d0809971c4fc0ee6b207430d2e03934108521150108e85532de7149d92817504de6be4dd175acd0cafb41b843a5aad3c305444f2c369be2fae245b823536c066f67557f46b54c3f6e285a7926d2a4a86297d21ee2ed4a8bbc1bfd474a0ddf67667eb25b41d03be4f43bf40463e9efc2540051a08a2ac9ce78ccd5ea870418b3ceaf4988aff39299b6b3e6610fd28500e7501ae41b959d19a1b99cb19bb1001eefd00f4f426cc90abcee43fa3a71a5c84d26a535fd895dbc85621d32d2a02b54ed9a57c1dbfa10cf19b78b4a1b8f01b6279553e8b6896d5bbc68d423e88b51a256f9f0a680a0d61eb3bc0f0f537529aaea1377e4de8c8121ad07104711ad873d07d175bccff3667e	installer.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DDFB16CD4931C973A2037D3FC83A4D7D775D05E4\Blob = 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	installer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4288	installer.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 4288	2136	OperaSetup.exe	84
PID 4288 wrote to memory of 2988	4288	installer.exe	85
PID 4288 wrote to memory of 556	4288	installer.exe	86
PID 4288 wrote to memory of 2900	4288	installer.exe	95
PID 4288 wrote to memory of 3868	4288	installer.exe	96
PID 3868 wrote to memory of 2864	3868	assistant_installer.exe	97

C:\Users\Admin\AppData\Local\Temp\OperaSetup.exe
"C:\Users\Admin\AppData\Local\Temp\OperaSetup.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Users\Admin\AppData\Local\Temp\7zS8585D817\installer.exe
  C:\Users\Admin\AppData\Local\Temp\7zS8585D817\installer.exe --server-tracking-blob=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
  2⤵
  - Downloads MZ/PE file
  - Executes dropped EXE
  - Enumerates connected drives
  - Enumerates system info in registry
  - Modifies system certificate store
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4288
- - C:\Users\Admin\AppData\Local\Temp\7zS8585D817\installer.exe
    C:\Users\Admin\AppData\Local\Temp\7zS8585D817\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=131.0.5877.24 --initial-client-data=0x27c,0x280,0x284,0x258,0x288,0x7ff6dc202e98,0x7ff6dc202ea4,0x7ff6dc202eb0
    3⤵
    - Executes dropped EXE
    PID:2988
- - C:\Users\Admin\AppData\Local\Temp\.opera\cdb64859-90a0-431c-869e-74f816fce927 Opera Installer Temp\installer.exe
    "C:\Users\Admin\AppData\Local\Temp\.opera\cdb64859-90a0-431c-869e-74f816fce927 Opera Installer Temp\installer.exe" --version
    3⤵
    - Executes dropped EXE
    PID:556
- - C:\Users\Admin\AppData\Local\Temp\.opera\cdb64859-90a0-431c-869e-74f816fce927 Opera Installer Temp\opera_package_202605110753591\assistant\Assistant_130.0.5847.41_Setup.exe_sfx.exe
    "C:\Users\Admin\AppData\Local\Temp\.opera\cdb64859-90a0-431c-869e-74f816fce927 Opera Installer Temp\opera_package_202605110753591\assistant\Assistant_130.0.5847.41_Setup.exe_sfx.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2900
- - C:\Users\Admin\AppData\Local\Temp\.opera\cdb64859-90a0-431c-869e-74f816fce927 Opera Installer Temp\opera_package_202605110753591\assistant\assistant_installer.exe
    "C:\Users\Admin\AppData\Local\Temp\.opera\cdb64859-90a0-431c-869e-74f816fce927 Opera Installer Temp\opera_package_202605110753591\assistant\assistant_installer.exe" --version
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Enumerates system info in registry
    - Suspicious use of WriteProcessMemory
    PID:3868
  - - C:\Users\Admin\AppData\Local\Temp\.opera\cdb64859-90a0-431c-869e-74f816fce927 Opera Installer Temp\opera_package_202605110753591\assistant\assistant_installer.exe
      "C:\Users\Admin\AppData\Local\Temp\.opera\cdb64859-90a0-431c-869e-74f816fce927 Opera Installer Temp\opera_package_202605110753591\assistant\assistant_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=Win32 --annotation=prod=OperaDesktop --annotation=ver=130.0.5847.41 --initial-client-data=0x204,0x224,0x228,0x1dc,0x22c,0x374040,0x37404c,0x374058
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:2864

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

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

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Downloads

additional_file0.tmp

Path C:\Users\Admin\AppData\Local\Temp\.opera\cdb64859-90a0-431c-869e-74f816fce927 Opera Installer Temp\opera_package_202605110753591\additional_file0.tmp
Size 2.8MB
SHA256 71a4cc628fd1716fd994689c4808d2ebbc00e8bd2ecb7600b9921baa8916c752
MD5 3b028b1188ac321e66add16f8ebadbec
SHA1 086bcb2b1c0d300be15c1390841aadadcec4eac7
SHA512 17c390e0df8e29ff9ad43e581db298ada2d8378fbb890dc5f4b17df8fbe21134f99ab203ea4752a419215d289c128a1d8bc14721bde80042e5bb4c3901dffb72
SSDEEP 49152:+kinoIZOrzV7AlDfo7eT/uAtH00raHx774jx4aGhcr0glyGIGE1HVyVNW272DS/Z:+kiocQzV89Tmeradk2ha0gdIT11yVQ2w
TLSH
T167D5233275A48C34D62312321CE0FAEDA5BE72701E6347DB73A42B1F9EB01979A1D562
MD5 SHA1 SHA512 SSDEEP TLSH

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assistant_installer.exe

Path C:\Users\Admin\AppData\Local\Temp\.opera\cdb64859-90a0-431c-869e-74f816fce927 Opera Installer Temp\opera_package_202605110753591\assistant\assistant_installer.exe
Size 2.4MB
SHA256 63187b388e01fb05d8c29957e1c566324af67aff2f7a2e3da9132248c79375a8
MD5 b0408fa2a406f483e42c3ac102d35e9b
SHA1 fbaca900ad54abc65ec2cb34d63727c87132d16b
SHA512 2e8b9af626fff68ecd0204d6a3151b4518749143ec78a2f8f99f959399d1c8ea59987f99c38c9e48fe38b518fd8c91381356daf3f17944fa3432337b882e5401
SSDEEP 49152:wJv8lBbu91xwyiZSwRDzWEibQojjHLQDpizF:wR8lBbu91xwyiZSwRWEKQWjHLOpc
TLSH
T10AC5AE12A86094B5D8563132321DEB3E9A30BE1657354DDBDB90BCC1BBB86E2353734B
MD5 SHA1 SHA512 SSDEEP TLSH

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dbgcore.dll

Path C:\Users\Admin\AppData\Local\Temp\.opera\cdb64859-90a0-431c-869e-74f816fce927 Opera Installer Temp\opera_package_202605110753591\assistant\dbgcore.dll
Size 222KB
SHA256 7bb46348c2ec97ef9ee7a8e0ae28c8e069513e8acaee2689134a2d906b5fdecf
MD5 b26ebc5cde9b1726ee9f9534dd6107d0
SHA1 de00af3ec4de63a158bcd50c6e95b046669d3353
SHA512 2e01c65b58369c1f5f4081cf377c3fedd87ae5fca63cfbc44dd7859a1e10a849d1bbdbb592349d793166f577dbd954cd8660f625dcbc9adc4d936d6a44f062bf
SSDEEP 6144:FASh0NdOEQzFh0ekr6nzwBaQGdppLIg2dFl96Fl:4MHZn1n+P96Fl
TLSH
T14C247C2269401533DCEF12F062AF363A96AEDD90239490C359A05BDDD6D4BC12E3D6EF
MD5 SHA1 SHA512 SSDEEP TLSH

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dbghelp.dll

Path C:\Users\Admin\AppData\Local\Temp\.opera\cdb64859-90a0-431c-869e-74f816fce927 Opera Installer Temp\opera_package_202605110753591\assistant\dbghelp.dll
Size 1.8MB
SHA256 6fd2b4bfc275ed306ce09008ff8437818b3373e69e4b3db3cbb79be91b2b9308
MD5 021b11c0fc1a09e49a2046ef07d1747a
SHA1 4b955c1e7150db4f07528929fc529fde9738a2b3
SHA512 6ca94fdf2b92928859152aa23f31df46944eeeac7988f6bb5d647341843d8d2aa91c2c810d17c8b58a03c99e4ca7d7e1ae6b6c2d9ea5029616d870b89794d6c8
SSDEEP 49152:xEDlXSohR86M5NKBlv/2yOFVnzM9F0KM7:uFhR86MHyl0fb
TLSH
T128856B20E784813CE4EA1177E67C7A7D85ADE524073440CBAAC45BA978297D32F387DB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

installer.exe

Path C:\Users\Admin\AppData\Local\Temp\7zS8585D817\installer.exe
Size 8.2MB
SHA256 91ac2dba5a5a1af1dc146459824f3614d026b7595ad0c6abc4c51fddf6f312bc
MD5 c90a72608d4602987999171b2be16d8b
SHA1 dea1e7c575c856da1a21e7b2d7286bb189e62917
SHA512 5143914eb732a14cf8dea411634922f833138b20b646793f40be4a56b481ceb6af042ded95c9ecb540ba0743f96704a75eb2416bf43fd2470b0e00b923b853ca
SSDEEP 98304:nBbNLLOs6UbrTVixfYxnGnajTpdrT6W9RDYNY8AF:JNLCUHKYv3RDXF
TLSH
T1CD967C43F3A601E8D06FCA748B7A5622A9757C564B30A3DF0AA436251E75FD46F3CB20
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 b53db59ff0bd2cae2bd7223db4dfb934f21c37d454f7d6c2fbb3c07719ee1476
MD5 f59904b845ebf83c09ffb5ae53dac819
SHA1 46941f66cdb84eee138396e34d9878e51851e649
SHA512 f37e2dadf6a2dce29a880732041cbd85a5b639f1072956b501c65f5712c1b577a9f3b441c43728756f6893616cc11d60b85b71e0279ca21ce11d173adcd19d87
MD5 SHA1 SHA512

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memory/2988-31-0x000001735B6F0000-0x000001735B805000-memory.dmp

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memory/4288-29-0x000002251E700000-0x000002251E815000-memory.dmp

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memory/4288-30-0x000002251F0B0000-0x000002251F0BC000-memory.dmp

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memory/4288-191-0x000002251E700000-0x000002251E815000-memory.dmp

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memory/4288-281-0x000002251E700000-0x000002251E815000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads