513c3c2f07c8455f6d465bf22bfd8b11ddfc4c0ba27e231cef4d70a935162ae4

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20231025-en
resource tags

arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
submitted
31/10/2023, 16:26

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General

Target
file.exe
Size 182KB
Sample231031-txhdysda82
SHA256 513c3c2f07c8455f6d465bf22bfd8b11ddfc4c0ba27e231cef4d70a935162ae4
MD5 89e0078eb5a4153ea077497f5a8973e7
SHA1 84934d112255e6f4dcf555c76f922cde6cb23cb2
SHA512 624a3c926c5d4b5fc496f966dfbb51549c402ab8aebed57595e3810fa5a861fe61a200522d648200885e2d0f7dd366ec5b32ff4828e35451bfe4a0668ac9099b
SSDEEP 3072:WUrA616dgjCk9qOGPtS+iOXgXaVBSxJggD8B8M5Akc:HA61kAh9qOGPriOXia20u8T
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Downloads MZ/PE file

Deletes itself 1 IoCs

pid	Process
2476	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
1892	file.exe
1892	file.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
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	file.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2820	timeout.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1892	file.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1892 wrote to memory of 2476	1892	file.exe	29
PID 1892 wrote to memory of 2476	1892	file.exe	29
PID 1892 wrote to memory of 2476	1892	file.exe	29
PID 1892 wrote to memory of 2476	1892	file.exe	29
PID 2476 wrote to memory of 2820	2476	cmd.exe	31
PID 2476 wrote to memory of 2820	2476	cmd.exe	31
PID 2476 wrote to memory of 2820	2476	cmd.exe	31
PID 2476 wrote to memory of 2820	2476	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1892
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\file.exe" & del "C:\ProgramData\*.dll"" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2476
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 5
    3⤵
    - Delays execution with timeout.exe
    PID:2820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

mozglue.dll

Path \ProgramData\mozglue.dll
Size 593KB
SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
MD5 c8fd9be83bc728cc04beffafc2907fe9
SHA1 95ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA512 fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
SSDEEP 12288:BlSyAom/gcRKMdRm4wFkRHuyG4RRGJVDjMk/x21R8gY/r:BKgcRKMdRm4wFkVVDGJVv//x21R8br
MD5 SHA1 SHA512 SSDEEP

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nss3.dll

Path \ProgramData\nss3.dll
Size 2.0MB
SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
MD5 1cc453cdf74f31e4d913ff9c10acdde2
SHA1 6e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA512 dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
SSDEEP 49152:fECf12gikHlnKGxJRIB+y5nvxnaOSJ3HFNWYrVvE4CQsgzMmQfTU1NrWmy4KoAzh:J7Tf8J1Q+SS5/nr
MD5 SHA1 SHA512 SSDEEP

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memory/1892-1-0x0000000000290000-0x0000000000390000-memory.dmp

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memory/1892-2-0x00000000001B0000-0x00000000001CB000-memory.dmp

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memory/1892-3-0x0000000000400000-0x00000000007B7000-memory.dmp

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memory/1892-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp

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memory/1892-41-0x0000000000290000-0x0000000000390000-memory.dmp

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memory/1892-45-0x0000000000400000-0x00000000007B7000-memory.dmp

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memory/1892-54-0x00000000001B0000-0x00000000001CB000-memory.dmp

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memory/1892-65-0x0000000000400000-0x00000000007B7000-memory.dmp

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memory/1892-71-0x0000000000400000-0x00000000007B7000-memory.dmp

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memory/1892-72-0x0000000000290000-0x0000000000390000-memory.dmp

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