stealc | d7362d2e72c671beab7c047f11938b0ef204c94e5d6c33360fe74feec755c9a9

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
07/06/2024, 01:47

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General

Target
d7362d2e72c671beab7c047f11938b0ef204c94e5d6c33360fe74feec755c9a9.exe
Size 346KB
Sample240607-b71deaff4w
SHA256 d7362d2e72c671beab7c047f11938b0ef204c94e5d6c33360fe74feec755c9a9
MD5 aa8b7497f5da651fde7a79a7bc72cdac
SHA1 928cbe93d7b9e7c6c4112c1b2563177dc0ff260e
SHA512 d67b4a75b4a7608533d16d877083c8f89f6aa907563632b13f9c258230836f03df6b00273d127e18a77e78e1c007715a50d27510d5a8620f57c799b018040984
SSDEEP 6144:28+wWR81gH+nKcVuTLNlzx1c88qNjH8wkH1WTK:9+wWROgH+ntmJlzH3dkg
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

stealc default12 discovery spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

default12

http://185.172.128.170

Attributes

url_path
/7043a0c6a68d9c65.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
776	JKECGHCFIJ.exe

Loads dropped DLL 3 IoCs

pid	Process
1700	d7362d2e72c671beab7c047f11938b0ef204c94e5d6c33360fe74feec755c9a9.exe
1700	d7362d2e72c671beab7c047f11938b0ef204c94e5d6c33360fe74feec755c9a9.exe
3000	cmd.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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	d7362d2e72c671beab7c047f11938b0ef204c94e5d6c33360fe74feec755c9a9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	d7362d2e72c671beab7c047f11938b0ef204c94e5d6c33360fe74feec755c9a9.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1700	d7362d2e72c671beab7c047f11938b0ef204c94e5d6c33360fe74feec755c9a9.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 3000	1700	d7362d2e72c671beab7c047f11938b0ef204c94e5d6c33360fe74feec755c9a9.exe	29
PID 1700 wrote to memory of 3000	1700	d7362d2e72c671beab7c047f11938b0ef204c94e5d6c33360fe74feec755c9a9.exe	29
PID 1700 wrote to memory of 3000	1700	d7362d2e72c671beab7c047f11938b0ef204c94e5d6c33360fe74feec755c9a9.exe	29
PID 1700 wrote to memory of 3000	1700	d7362d2e72c671beab7c047f11938b0ef204c94e5d6c33360fe74feec755c9a9.exe	29
PID 3000 wrote to memory of 776	3000	cmd.exe	31
PID 3000 wrote to memory of 776	3000	cmd.exe	31
PID 3000 wrote to memory of 776	3000	cmd.exe	31
PID 3000 wrote to memory of 776	3000	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\d7362d2e72c671beab7c047f11938b0ef204c94e5d6c33360fe74feec755c9a9.exe
"C:\Users\Admin\AppData\Local\Temp\d7362d2e72c671beab7c047f11938b0ef204c94e5d6c33360fe74feec755c9a9.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\JKECGHCFIJ.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:3000
- - C:\Users\Admin\AppData\Local\Temp\JKECGHCFIJ.exe
    "C:\Users\Admin\AppData\Local\Temp\JKECGHCFIJ.exe"
    3⤵
    - Executes dropped EXE
    PID:776

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

JKECGHCFIJ.exe

Path C:\Users\Admin\AppData\Local\Temp\JKECGHCFIJ.exe
Size 533KB
SHA256 64a71b664d76641b35dac312161cb356b3b3b5f0b45c9d88c8afa547b4902580
MD5 6c93fc68e2f01c20fb81af24470b790c
SHA1 d5927b38a32e30afcf5a658612a8266476fc4ad8
SHA512 355e9677121ef17cf8c398f0c17399776d206c62014080a2c62682e1152ea0729dcc6e233358dcd6bae009b07e3db936d4b18eb37d6e7ebc2fe9cf8d827c4ade
SSDEEP 6144:yU3iKBTO7hQqRGoFyLmVmH6Q4vwRuGuoBhYkuFqeYAOfp+5ic6/:yU7UVGoFyLmVO6Q6wAGuoBh9Np+M/
MD5 SHA1 SHA512 SSDEEP

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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/1700-1-0x0000000000840000-0x0000000000940000-memory.dmp

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memory/1700-3-0x0000000000400000-0x000000000063B000-memory.dmp

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memory/1700-2-0x0000000000220000-0x0000000000247000-memory.dmp

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memory/1700-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp

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memory/1700-71-0x0000000000400000-0x000000000063B000-memory.dmp

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memory/1700-70-0x0000000000400000-0x0000000000690000-memory.dmp

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memory/1700-72-0x0000000000840000-0x0000000000940000-memory.dmp

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