c4baae8d607f557aa0bc302183fca6867fcb81887e71ea32392b471cc5bcbca3

General

Target

c4baae8d607f557aa0bc302183fca6867fcb81887e71ea32392b471cc5bcbca3.exe
Size

3.1MB
MD5

77938fe177112f199d6bfc41eff04032
SHA1

8faf791e6af699afd50290369171d1db722db129
SHA256

c4baae8d607f557aa0bc302183fca6867fcb81887e71ea32392b471cc5bcbca3
SHA512

f4a1d4d7ae642d43dc29d73a0664a2063bae2abb4cb878c752e537136bcfe82853060e157bd144c7c567510d2de055ae5640e3f5336ea2c7c9c2ffda63ffacf8
SSDEEP

49152:aVAbwWYb12jHSVaHO3Vg3gfRv9yuqohghbpVOpmV4w1Z6nPI4gyJv:uAJY5oHhb0FqWgFQlw2w4gG

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Downloads MZ/PE file

Executes dropped EXE 6 IoCs

pid	Process
1548	setup.exe
3848	setup.exe
1240	setup.exe
1564	Opera_GX_assistant_73.0.3856.382_Setup.exe_sfx.exe
2944	assistant_installer.exe
4356	assistant_installer.exe

Loads dropped DLL 3 IoCs

pid	Process
1548	setup.exe
3848	setup.exe
1240	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	c4baae8d607f557aa0bc302183fca6867fcb81887e71ea32392b471cc5bcbca3.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 = 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	setup.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1548	setup.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4376 wrote to memory of 1548	4376	c4baae8d607f557aa0bc302183fca6867fcb81887e71ea32392b471cc5bcbca3.exe	86
PID 4376 wrote to memory of 1548	4376	c4baae8d607f557aa0bc302183fca6867fcb81887e71ea32392b471cc5bcbca3.exe	86
PID 4376 wrote to memory of 1548	4376	c4baae8d607f557aa0bc302183fca6867fcb81887e71ea32392b471cc5bcbca3.exe	86
PID 1548 wrote to memory of 3848	1548	setup.exe	88
PID 1548 wrote to memory of 3848	1548	setup.exe	88
PID 1548 wrote to memory of 3848	1548	setup.exe	88
PID 1548 wrote to memory of 1240	1548	setup.exe	89
PID 1548 wrote to memory of 1240	1548	setup.exe	89
PID 1548 wrote to memory of 1240	1548	setup.exe	89
PID 1548 wrote to memory of 1564	1548	setup.exe	98
PID 1548 wrote to memory of 1564	1548	setup.exe	98
PID 1548 wrote to memory of 1564	1548	setup.exe	98
PID 1548 wrote to memory of 2944	1548	setup.exe	99
PID 1548 wrote to memory of 2944	1548	setup.exe	99
PID 1548 wrote to memory of 2944	1548	setup.exe	99
PID 2944 wrote to memory of 4356	2944	assistant_installer.exe	100
PID 2944 wrote to memory of 4356	2944	assistant_installer.exe	100
PID 2944 wrote to memory of 4356	2944	assistant_installer.exe	100

C:\Users\Admin\AppData\Local\Temp\c4baae8d607f557aa0bc302183fca6867fcb81887e71ea32392b471cc5bcbca3.exe
"C:\Users\Admin\AppData\Local\Temp\c4baae8d607f557aa0bc302183fca6867fcb81887e71ea32392b471cc5bcbca3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4376
- C:\Users\Admin\AppData\Local\Temp\7zS811320B7\setup.exe
  C:\Users\Admin\AppData\Local\Temp\7zS811320B7\setup.exe
  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:1548
- - C:\Users\Admin\AppData\Local\Temp\7zS811320B7\setup.exe
    C:\Users\Admin\AppData\Local\Temp\7zS811320B7\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.opera.com/collector/submit --annotation=channel=Stable --annotation=plat=Win32 --annotation=prod=OperaDesktopGX --annotation=ver=112.0.5197.74 --initial-client-data=0x330,0x334,0x338,0x32c,0x33c,0x744d1b54,0x744d1b60,0x744d1b6c
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:3848
- - 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:1240
- - C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202408192256411\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_202408192256411\assistant\Opera_GX_assistant_73.0.3856.382_Setup.exe_sfx.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1564
- - C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202408192256411\assistant\assistant_installer.exe
    "C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202408192256411\assistant\assistant_installer.exe" --version
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2944
  - - C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202408192256411\assistant\assistant_installer.exe
      "C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\opera_package_202408192256411\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,0x270,0x274,0x250,0x278,0xa64f48,0xa64f58,0xa64f64
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:4356

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_202408192256411\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_202408192256411\assistant\assistant_installer.exe

Filesize
1.8MB

MD5
4c8fbed0044da34ad25f781c3d117a66

SHA1
8dd93340e3d09de993c3bc12db82680a8e69d653

SHA256
afe569ce9e4f71c23ba5f6e8fd32be62ac9538e397cde8f2ecbe46faa721242a

SHA512
a04e6fd052d2d63a0737c83702c66a9af834f9df8423666508c42b3e1d8384300239c9ddacdc31c1e85140eb1193bcfac209f218750b40342492ffce6e9da481

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS811320B7\setup.exe

Filesize
6.4MB

MD5
24ceb5521ec9daf20512eecdb1695958

SHA1
ffcb26e536dae0c7380c5cf784a7df1439815ae4

SHA256
9b400311b1b05422be39c6aa1410534edb32cf46da21348364cbcde7e8167ad8

SHA512
a0cc14b5e1c861c4eafb885beb65bcfa752c850c4c8225aeee728ee5cbf4a448a5e98d34dd985125acd261919a154000e8c7146485427be7ad7bb15dbe6b83f8

Download Submit
C:\Users\Admin\AppData\Local\Temp\Opera_installer_2408192256409141548.dll

Filesize
5.9MB

MD5
7916599e12ee8885e6a27d0d4573439f

SHA1
6959f0546e76b32d95c167aab10774261657f319

SHA256
3d3e546fbcd332e4a3bdadb2933a705bbc39e7a0c2f1e012a5269742a612afe2

SHA512
67d01ca3938abe1aa2018c49d3c089baaa0022b4ce35bf4950877d0a7b5e4df09d165c9a29afc33d8869fafb772ebc64ad65422ebd9d6473c76699d3021f1d93

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

Filesize
40B

MD5
e59369c3eda3801faa0a4e7e5c4438ee

SHA1
c527b518ccaa72416c3bc1df5bf7be2e7cc688bb

SHA256
11dcb682b943f00b94e8b0a2937265258d55d5323279565ec016daa14e4edea0

SHA512
69fb78cf05599c39801914cbaee8bfde449baf1d4a3d204f17d91b94a4ed57949ad31e3c9fa2bd0a78238c0e73611067d411ecfa55a2950953c83263b70ece91

Download Submit

Analysis

Sharing