e1a44604533a1b1d897da2c3263b0252043a9a5e8acc2c6d20a46e59f84e4a52

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
29/10/2023, 06:02

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General

Target
file.exe
Size 168KB
Sample231029-grfa7aeg7v
SHA256 e1a44604533a1b1d897da2c3263b0252043a9a5e8acc2c6d20a46e59f84e4a52
MD5 490d98aed63320ffb22f17b08ce0f443
SHA1 131265a5c3ef11e0f1937c915db897326e79726e
SHA512 a02dc7a18dd41e4446eb4f3d96e9f53449e8b0f67f715457ae2a23a9155d89eea5b261ed86c9fb62186bba3c058429bc70a33aabf68786cc4efaa989c2615efd
SSDEEP 3072:dpXIQI94kYIU2doIX6rWzoDdNJfcZ3DpCqrqIRw:zIp4kVJdozJBcZ3Dp9
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Downloads MZ/PE file

Deletes itself 1 IoCs

pid	Process
2404	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
2080	file.exe
2080	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
2840	timeout.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2080	file.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2404	2080	file.exe	29
PID 2080 wrote to memory of 2404	2080	file.exe	29
PID 2080 wrote to memory of 2404	2080	file.exe	29
PID 2080 wrote to memory of 2404	2080	file.exe	29
PID 2404 wrote to memory of 2840	2404	cmd.exe	31
PID 2404 wrote to memory of 2840	2404	cmd.exe	31
PID 2404 wrote to memory of 2840	2404	cmd.exe	31
PID 2404 wrote to memory of 2840	2404	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:2080
- 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:2404
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 5
    3⤵
    - Delays execution with timeout.exe
    PID:2840

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/2080-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

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memory/2080-2-0x0000000000400000-0x00000000007B3000-memory.dmp

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memory/2080-3-0x00000000001B0000-0x00000000001CB000-memory.dmp

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memory/2080-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp

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memory/2080-66-0x00000000002B0000-0x00000000003B0000-memory.dmp

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memory/2080-72-0x0000000000400000-0x00000000007B3000-memory.dmp

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memory/2080-73-0x0000000000400000-0x00000000007B3000-memory.dmp

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memory/2080-74-0x0000000000400000-0x00000000007B3000-memory.dmp

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memory/2080-75-0x00000000002B0000-0x00000000003B0000-memory.dmp

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