c9f3844c8e48414ae6f118998455caf56cac0fe111f3203cfe09dcd845d6b0cd

General

Target

OperaGXSetup.exe
Size

3.1MB
MD5

258466d7b906789572c91686b321af7e
SHA1

db3dd33cc79ce372bc849ad5ea975e1f6cfd439c
SHA256

c9f3844c8e48414ae6f118998455caf56cac0fe111f3203cfe09dcd845d6b0cd
SHA512

7e50b7d7b51ef6f08b930511865bc624fd230f8910f2a5154e91e8c9a7187a624282d520ad42715f7bae3273c4b73a27a41d99ec13cf3b59b10139cfba77dde9
SSDEEP

98304:jAJbF/eB26JB6+hafAQ2NFSrsf9qgMsIZ/JUFmRT26:aGpafS0U9q0IFYG

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Downloads MZ/PE file

Executes dropped EXE 6 IoCs

pid	Process
1328	setup.exe
1868	setup.exe
2588	setup.exe
1660	Opera_GX_assistant_73.0.3856.382_Setup.exe_sfx.exe
2424	assistant_installer.exe
3232	assistant_installer.exe

Loads dropped DLL 3 IoCs

pid	Process
1328	setup.exe
1868	setup.exe
2588	setup.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

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

System Location Discovery: System Language Discovery 1 TTPs 7 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	Opera_GX_assistant_73.0.3856.382_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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OperaGXSetup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	setup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	setup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	setup.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	setup.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	setup.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 5c000000010000000400000000080000190000000100000010000000ba4f3972e7aed9dccdc210db59da13c90300000001000000140000005fb7ee0633e259dbad0c4c9ae6d38f1a61c7dc251d00000001000000100000008f76b981d528ad4770088245e2031b630b0000000100000012000000440069006700690043006500720074000000140000000100000014000000b13ec36903f8bf4701d498261a0802ef63642bc36200000001000000200000007431e5f4c3c1ce4690774f0b61e05440883ba9a01ed00ba6abd7806ed3b118cf090000000100000034000000303206082b0601050507030206082b0601050507030306082b0601050507030406082b0601050507030106082b06010505070308530000000100000040000000303e301f06096086480186fd6c020130123010060a2b0601040182373c0101030200c0301b060567810c010330123010060a2b0601040182373c0101030200c00f0000000100000014000000e35ef08d884f0a0ade2f75e96301ce6230f213a8040000000100000010000000d474de575c39b2d39c8583c5c065498a2000000001000000c9030000308203c5308202ada003020102021002ac5c266a0b409b8f0b79f2ae462577300d06092a864886f70d0101050500306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f74204341301e170d3036313131303030303030305a170d3331313131303030303030305a306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100c6cce573e6fbd4bbe52d2d32a6dfe5813fc9cd2549b6712ac3d5943467a20a1cb05f69a640b1c4b7b28fd098a4a941593ad3dc94d63cdb7438a44acc4d2582f74aa5531238eef3496d71917e63b6aba65fc3a484f84f6251bef8c5ecdb3892e306e508910cc4284155fbcb5a89157e71e835bf4d72093dbe3a38505b77311b8db3c724459aa7ac6d00145a04b7ba13eb510a984141224e656187814150a6795c89de194a57d52ee65d1c532c7e98cd1a0616a46873d03404135ca171d35a7c55db5e64e13787305604e511b4298012f1793988a202117c2766b788b778f2ca0aa838ab0a64c2bf665d9584c1a1251e875d1a500b2012cc41bb6e0b5138b84bcb0203010001a3633061300e0603551d0f0101ff040403020186300f0603551d130101ff040530030101ff301d0603551d0e04160414b13ec36903f8bf4701d498261a0802ef63642bc3301f0603551d23041830168014b13ec36903f8bf4701d498261a0802ef63642bc3300d06092a864886f70d010105050003820101001c1a0697dcd79c9f3c886606085721db2147f82a67aabf183276401057c18af37ad911658e35fa9efc45b59ed94c314bb891e8432c8eb378cedbe3537971d6e5219401da55879a2464f68a66ccde9c37cda834b1699b23c89e78222b7043e35547316119ef58c5852f4e30f6a0311623c8e7e2651633cbbf1a1ba03df8ca5e8b318b6008892d0c065c52b7c4f90a98d1155f9f12be7c366338bd44a47fe4262b0ac497690de98ce2c01057b8c876129155f24869d8bc2a025b0f44d42031dbf4ba70265d90609ebc4b17092fb4cb1e4368c90727c1d25cf7ea21b968129c3c9cbf9efc805c9b63cdec47aa252767a037f300827d54d7a9f8e92e13a377e81f4a	setup.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1328	setup.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 1328	2624	OperaGXSetup.exe	85
PID 2624 wrote to memory of 1328	2624	OperaGXSetup.exe	85
PID 2624 wrote to memory of 1328	2624	OperaGXSetup.exe	85
PID 1328 wrote to memory of 1868	1328	setup.exe	87
PID 1328 wrote to memory of 1868	1328	setup.exe	87
PID 1328 wrote to memory of 1868	1328	setup.exe	87
PID 1328 wrote to memory of 2588	1328	setup.exe	88
PID 1328 wrote to memory of 2588	1328	setup.exe	88
PID 1328 wrote to memory of 2588	1328	setup.exe	88
PID 1328 wrote to memory of 1660	1328	setup.exe	98
PID 1328 wrote to memory of 1660	1328	setup.exe	98
PID 1328 wrote to memory of 1660	1328	setup.exe	98
PID 1328 wrote to memory of 2424	1328	setup.exe	99
PID 1328 wrote to memory of 2424	1328	setup.exe	99
PID 1328 wrote to memory of 2424	1328	setup.exe	99
PID 2424 wrote to memory of 3232	2424	assistant_installer.exe	100
PID 2424 wrote to memory of 3232	2424	assistant_installer.exe	100
PID 2424 wrote to memory of 3232	2424	assistant_installer.exe	100

C:\Users\Admin\AppData\Local\Temp\OperaGXSetup.exe
"C:\Users\Admin\AppData\Local\Temp\OperaGXSetup.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2624
- C:\Users\Admin\AppData\Local\Temp\7zS04A006E7\setup.exe
  C:\Users\Admin\AppData\Local\Temp\7zS04A006E7\setup.exe --server-tracking-blob=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
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Modifies system certificate store
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1328
- - C:\Users\Admin\AppData\Local\Temp\7zS04A006E7\setup.exe
    C:\Users\Admin\AppData\Local\Temp\7zS04A006E7\setup.exe --type=crashpad-handler /prefetch:4 --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-2.opera.com/ --annotation=channel=Stable --annotation=plat=Win32 --annotation=prod=OperaDesktopGX --annotation=ver=113.0.5230.75 --initial-client-data=0x32c,0x330,0x334,0x304,0x338,0x746b1864,0x746b1870,0x746b187c
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:1868
- - C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\setup.exe" --version
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2588
- - C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409092314451\assistant\Opera_GX_assistant_73.0.3856.382_Setup.exe_sfx.exe
    "C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409092314451\assistant\Opera_GX_assistant_73.0.3856.382_Setup.exe_sfx.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1660
- - C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409092314451\assistant\assistant_installer.exe
    "C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409092314451\assistant\assistant_installer.exe" --version
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2424
  - - C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409092314451\assistant\assistant_installer.exe
      "C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409092314451\assistant\assistant_installer.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=73.0.3856.382 --initial-client-data=0x26c,0x270,0x274,0x248,0x278,0x414f48,0x414f58,0x414f64
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:3232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409092314451\additional_file0.tmp

Filesize
1.4MB

MD5
e9a2209b61f4be34f25069a6e54affea

SHA1
6368b0a81608c701b06b97aeff194ce88fd0e3c0

SHA256
e950f17f4181009eeafa9f5306e8a9dfd26d88ca63b1838f44ff0efc738e7d1f

SHA512
59e46277ca79a43ed8b0a25b24eff013e251a75f90587e013b9c12851e5dd7283b6172f7d48583982f6a32069457778ee440025c1c754bf7bb6ce8ae1d2c3fc5

Download Submit
C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202409092314451\assistant\assistant_installer.exe

Filesize
1.8MB

MD5
4c8fbed0044da34ad25f781c3d117a66

SHA1
8dd93340e3d09de993c3bc12db82680a8e69d653

SHA256
afe569ce9e4f71c23ba5f6e8fd32be62ac9538e397cde8f2ecbe46faa721242a

SHA512
a04e6fd052d2d63a0737c83702c66a9af834f9df8423666508c42b3e1d8384300239c9ddacdc31c1e85140eb1193bcfac209f218750b40342492ffce6e9da481

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS04A006E7\setup.exe

Filesize
6.3MB

MD5
eb798e91d503b97614756193e195a7b1

SHA1
06367f70a0b4c6de9e208c419beb84fa10c0eeef

SHA256
406b5edbd94bc38ce345d3c0f34b6b5fcd0405bd290a2ad0fd55c08b0695eed8

SHA512
5738431f355f599e88ec8b603f692a23a779ef41183ee1ebad3f7c81a9296a3df626d852cca1256791cc665d912f8f73c4ac00a15e4f96259c253290a40ba020

Download Submit
C:\Users\Admin\AppData\Local\Temp\Opera_installer_2409092314440431328.dll

Filesize
5.8MB

MD5
d9566efedb5ea286e12826594a40e623

SHA1
eba69b688be145e73103ec9587db22e072ee9fb5

SHA256
d09af4042577f9c1c72863df791b0114d25086cbf9fa3012b765157ddcbbdf33

SHA512
daa4adc5f254088d3b8d22d27b5af3d3663630017903f64377579cba46c0b8e4ffa427b7e51ccdc214e70ed835e2ff9ec2baf4a28a194a1c22dd2ee2abf653bb

Download Submit
C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports\settings.dat

Filesize
40B

MD5
18420a563d718dc517a79a06d6e5ab3b

SHA1
4f0b05a2f122cf3b31241c294585546c86d80e8c

SHA256
7b139638ee225e230244d64eab59dbeb36784da1f749c548daa3f9ce4c4c2cbc

SHA512
6aa23c9580cc6c738df39469a24b76ac48528bb57214e3274fdd894c2e8bfb53dcccbdb19332c19f374fee85a974016f768953bd263209e3c27b510b2e6926b5

Download Submit

Analysis

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