0b1a0881946f6e4d8b4af01f6bceb0737fc58282d098ae1c36c25c24c53a7deb

General

Target

BraveBrowserSetup.exe
Size

309.1MB
MD5

931195d97525e56b81273de435a1b23a
SHA1

a7b1888845db32aceb0c0d8a98a448e94ac95d0a
SHA256

bd06228669802c5ee2f00c900dd17efd1763780b17f05346d5ddcf6ead24297b
SHA512

c53b492d548f9cbd1f35aff646fe5344b141bf226aa78eb39c05914ff2704fd4cd9c5ed336967354b3311db487f60271374783ef6d485187ea714cd506912792
SSDEEP

24576:jgo+DDRIgvlC+pKc8zDkfxUXtWjPMBzuxK2:M5DDRISrxUcjPMBzuxv

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	BraveBrowserSetup.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	BraveBrowserSetup.exe

Loads dropped DLL 2 IoCs

pid	Process
4272	BraveBrowserSetup.exe
4272	BraveBrowserSetup.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
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2044 set thread context of 4272	2044	BraveBrowserSetup.exe	90

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	BraveBrowserSetup.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	BraveBrowserSetup.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3716	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
456	powershell.exe
456	powershell.exe
4272	BraveBrowserSetup.exe
4272	BraveBrowserSetup.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2044	BraveBrowserSetup.exe
Token: SeDebugPrivilege	456	powershell.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 456	2044	BraveBrowserSetup.exe	81
PID 2044 wrote to memory of 456	2044	BraveBrowserSetup.exe	81
PID 2044 wrote to memory of 456	2044	BraveBrowserSetup.exe	81
PID 2044 wrote to memory of 4272	2044	BraveBrowserSetup.exe	90
PID 2044 wrote to memory of 4272	2044	BraveBrowserSetup.exe	90
PID 2044 wrote to memory of 4272	2044	BraveBrowserSetup.exe	90
PID 2044 wrote to memory of 4272	2044	BraveBrowserSetup.exe	90
PID 2044 wrote to memory of 4272	2044	BraveBrowserSetup.exe	90
PID 2044 wrote to memory of 4272	2044	BraveBrowserSetup.exe	90
PID 2044 wrote to memory of 4272	2044	BraveBrowserSetup.exe	90
PID 2044 wrote to memory of 4272	2044	BraveBrowserSetup.exe	90
PID 2044 wrote to memory of 4272	2044	BraveBrowserSetup.exe	90
PID 4272 wrote to memory of 4508	4272	BraveBrowserSetup.exe	92
PID 4272 wrote to memory of 4508	4272	BraveBrowserSetup.exe	92
PID 4272 wrote to memory of 4508	4272	BraveBrowserSetup.exe	92
PID 4508 wrote to memory of 3716	4508	cmd.exe	94
PID 4508 wrote to memory of 3716	4508	cmd.exe	94
PID 4508 wrote to memory of 3716	4508	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\BraveBrowserSetup.exe
"C:\Users\Admin\AppData\Local\Temp\BraveBrowserSetup.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:456
- C:\Users\Admin\AppData\Local\Temp\BraveBrowserSetup.exe
  C:\Users\Admin\AppData\Local\Temp\BraveBrowserSetup.exe
  2⤵
  - Checks computer location settings
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4272
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\BraveBrowserSetup.exe" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4508
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 6
      4⤵
      Delays execution with timeout.exe
      PID:3716

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\mozglue.dll

Filesize
133KB

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
C:\ProgramData\nss3.dll

Filesize
1.2MB

MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
memory/456-142-0x0000000007D90000-0x000000000840A000-memory.dmp

Filesize
6.5MB

Download
memory/456-143-0x0000000006C00000-0x0000000006C1A000-memory.dmp

Filesize
104KB

Download
memory/456-137-0x0000000003130000-0x0000000003166000-memory.dmp

Filesize
216KB

Download
memory/456-138-0x0000000005900000-0x0000000005F28000-memory.dmp

Filesize
6.2MB

Download
memory/456-139-0x0000000005FA0000-0x0000000006006000-memory.dmp

Filesize
408KB

Download
memory/456-140-0x0000000006100000-0x0000000006166000-memory.dmp

Filesize
408KB

Download
memory/456-141-0x0000000006720000-0x000000000673E000-memory.dmp

Filesize
120KB

Download
memory/2044-134-0x0000000005980000-0x0000000005A12000-memory.dmp

Filesize
584KB

Download
memory/2044-132-0x0000000000E20000-0x0000000000EE6000-memory.dmp

Filesize
792KB

Download
memory/2044-135-0x0000000005A20000-0x0000000005A42000-memory.dmp

Filesize
136KB

Download
memory/2044-133-0x0000000005E90000-0x0000000006434000-memory.dmp

Filesize
5.6MB

Download
memory/4272-145-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/4272-146-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/4272-147-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/4272-148-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/4272-149-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/4272-171-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads