stealc | 007cf7cd35590b537a42ec752e75d64bf6f37315018023c6fbc63ab77560bc45

Analysis

max time kernel
301s
max time network
323s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
13/10/2023, 04:06

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General

Target

007cf7cd35590b537a42ec752e75d64bf6f37315018023c6fbc63ab77560bc45.exe
Size

2.5MB
MD5

63ccd2218ba9abe0d8fb48d03343854b
SHA1

094179e09568ee5b5316d7c70c4073bc99bd1127
SHA256

007cf7cd35590b537a42ec752e75d64bf6f37315018023c6fbc63ab77560bc45
SHA512

56d4973ba358df996fa17adc2c6eca8c8b04bab3c45ee3f5df77fd4f7e11a88941bd759dea6126b85e85362a08d5f4ff8a904512618ffacf5314727424eb11c5
SSDEEP

49152:CL2s5FXQ4EmojLjCRELVf7Avil+dHIsLp1thIikN+6u2hs7:CpzX71oDCRAZUviAHImDqia7hs7

Score

10^/10

stealc discovery spyware stealer

Malware Config

Extracted

Family

stealc

http://aidandylan.top

Attributes

url_path
/3886d2276f6914c4.php

rc4.plain

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
2772	VPN.exe
2512	Broom.exe

Loads dropped DLL 6 IoCs

pid	Process
2132	007cf7cd35590b537a42ec752e75d64bf6f37315018023c6fbc63ab77560bc45.exe
2132	007cf7cd35590b537a42ec752e75d64bf6f37315018023c6fbc63ab77560bc45.exe
2132	007cf7cd35590b537a42ec752e75d64bf6f37315018023c6fbc63ab77560bc45.exe
2132	007cf7cd35590b537a42ec752e75d64bf6f37315018023c6fbc63ab77560bc45.exe
2772	VPN.exe
2772	VPN.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	VPN.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	VPN.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2772	VPN.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2512	Broom.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2772	2132	007cf7cd35590b537a42ec752e75d64bf6f37315018023c6fbc63ab77560bc45.exe	28
PID 2132 wrote to memory of 2772	2132	007cf7cd35590b537a42ec752e75d64bf6f37315018023c6fbc63ab77560bc45.exe	28
PID 2132 wrote to memory of 2772	2132	007cf7cd35590b537a42ec752e75d64bf6f37315018023c6fbc63ab77560bc45.exe	28
PID 2132 wrote to memory of 2772	2132	007cf7cd35590b537a42ec752e75d64bf6f37315018023c6fbc63ab77560bc45.exe	28
PID 2132 wrote to memory of 2512	2132	007cf7cd35590b537a42ec752e75d64bf6f37315018023c6fbc63ab77560bc45.exe	32
PID 2132 wrote to memory of 2512	2132	007cf7cd35590b537a42ec752e75d64bf6f37315018023c6fbc63ab77560bc45.exe	32
PID 2132 wrote to memory of 2512	2132	007cf7cd35590b537a42ec752e75d64bf6f37315018023c6fbc63ab77560bc45.exe	32
PID 2132 wrote to memory of 2512	2132	007cf7cd35590b537a42ec752e75d64bf6f37315018023c6fbc63ab77560bc45.exe	32

C:\Users\Admin\AppData\Local\Temp\007cf7cd35590b537a42ec752e75d64bf6f37315018023c6fbc63ab77560bc45.exe
"C:\Users\Admin\AppData\Local\Temp\007cf7cd35590b537a42ec752e75d64bf6f37315018023c6fbc63ab77560bc45.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Users\Admin\AppData\Local\Temp\VPN.exe
  C:\Users\Admin\AppData\Local\Temp\VPN.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:2772
- C:\Users\Admin\AppData\Local\Temp\Broom.exe
  C:\Users\Admin\AppData\Local\Temp\Broom.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2512

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

C:\Users\Admin\AppData\Local\Temp\Broom.exe

Filesize
5.3MB

MD5
00e93456aa5bcf9f60f84b0c0760a212

SHA1
6096890893116e75bd46fea0b8c3921ceb33f57d

SHA256
ff3025f9cf19323c5972d14f00f01296d6d7a71547eca7e4016bfd0e1f27b504

SHA512
abd2be819c7d93bd6097155cf84eaf803e3133a7e0ca71f9d9cbc3c65e4e4a26415d2523a36adafdd19b0751e25ea1a99b8d060cad61cdfd1f79adf9cd4b4eca

Download Submit
C:\Users\Admin\AppData\Local\Temp\VPN.exe

Filesize
259KB

MD5
ad3023dae750eff5bc8fd86d62aab706

SHA1
d11d2e835fe74abbe6c4ade3729ab8f649075b5a

SHA256
eb654cd99405711166fa7fce4505be2370aa98e55cc5b351fc03c0c81b9c57aa

SHA512
3f09d00d6ce70935c0dbcee8c4c2fbe4f6893689382e774577c78fa52b569e2fbae9cce6e36b521aca2fd16ebb41b74d3f53c8453cdc39fcb872a67988e3054b

Download Submit
C:\Users\Admin\AppData\Local\Temp\VPN.exe

Filesize
259KB

MD5
ad3023dae750eff5bc8fd86d62aab706

SHA1
d11d2e835fe74abbe6c4ade3729ab8f649075b5a

SHA256
eb654cd99405711166fa7fce4505be2370aa98e55cc5b351fc03c0c81b9c57aa

SHA512
3f09d00d6ce70935c0dbcee8c4c2fbe4f6893689382e774577c78fa52b569e2fbae9cce6e36b521aca2fd16ebb41b74d3f53c8453cdc39fcb872a67988e3054b

Download Submit
\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
\Users\Admin\AppData\Local\Temp\Broom.exe

Filesize
5.3MB

MD5
00e93456aa5bcf9f60f84b0c0760a212

SHA1
6096890893116e75bd46fea0b8c3921ceb33f57d

SHA256
ff3025f9cf19323c5972d14f00f01296d6d7a71547eca7e4016bfd0e1f27b504

SHA512
abd2be819c7d93bd6097155cf84eaf803e3133a7e0ca71f9d9cbc3c65e4e4a26415d2523a36adafdd19b0751e25ea1a99b8d060cad61cdfd1f79adf9cd4b4eca

Download Submit
\Users\Admin\AppData\Local\Temp\VPN.exe

Filesize
259KB

MD5
ad3023dae750eff5bc8fd86d62aab706

SHA1
d11d2e835fe74abbe6c4ade3729ab8f649075b5a

SHA256
eb654cd99405711166fa7fce4505be2370aa98e55cc5b351fc03c0c81b9c57aa

SHA512
3f09d00d6ce70935c0dbcee8c4c2fbe4f6893689382e774577c78fa52b569e2fbae9cce6e36b521aca2fd16ebb41b74d3f53c8453cdc39fcb872a67988e3054b

Download Submit
\Users\Admin\AppData\Local\Temp\VPN.exe

Filesize
259KB

MD5
ad3023dae750eff5bc8fd86d62aab706

SHA1
d11d2e835fe74abbe6c4ade3729ab8f649075b5a

SHA256
eb654cd99405711166fa7fce4505be2370aa98e55cc5b351fc03c0c81b9c57aa

SHA512
3f09d00d6ce70935c0dbcee8c4c2fbe4f6893689382e774577c78fa52b569e2fbae9cce6e36b521aca2fd16ebb41b74d3f53c8453cdc39fcb872a67988e3054b

Download Submit
\Users\Admin\AppData\Local\Temp\nst8CC6.tmp\NSISdl.dll

Filesize
15KB

MD5
05f72d6a944e701217ef2eb2cc13e0ee

SHA1
fac99c39150ae484e4b3e0af2f4be86bb1835dde

SHA256
aab28914794a1cdda4561e9f2af3e006dbed220d9d6bfe049b56d0cb9b783648

SHA512
c87e783fc169ef01ac0d3ce29fbfbf349a2e22329df9203a1443cc2caebbe7f8282c0754740289ecca534951cb7e574bafef9ccbaa0da7c287109920ec9573eb

Download Submit
memory/2512-96-0x0000000000400000-0x0000000000965000-memory.dmp

Filesize
5.4MB

Download
memory/2512-27-0x0000000000400000-0x0000000000965000-memory.dmp

Filesize
5.4MB

Download
memory/2512-23-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2512-40-0x0000000000400000-0x0000000000965000-memory.dmp

Filesize
5.4MB

Download
memory/2512-28-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2772-16-0x0000000000400000-0x00000000007CB000-memory.dmp

Filesize
3.8MB

Download
memory/2772-26-0x0000000000400000-0x00000000007CB000-memory.dmp

Filesize
3.8MB

Download
memory/2772-25-0x0000000000400000-0x00000000007CB000-memory.dmp

Filesize
3.8MB

Download
memory/2772-34-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2772-24-0x0000000000890000-0x0000000000990000-memory.dmp

Filesize
1024KB

Download
memory/2772-63-0x0000000000400000-0x00000000007CB000-memory.dmp

Filesize
3.8MB

Download
memory/2772-73-0x0000000000400000-0x00000000007CB000-memory.dmp

Filesize
3.8MB

Download
memory/2772-84-0x0000000000400000-0x00000000007CB000-memory.dmp

Filesize
3.8MB

Download
memory/2772-91-0x0000000000400000-0x00000000007CB000-memory.dmp

Filesize
3.8MB

Download
memory/2772-18-0x0000000000400000-0x00000000007CB000-memory.dmp

Filesize
3.8MB

Download
memory/2772-112-0x0000000000400000-0x00000000007CB000-memory.dmp

Filesize
3.8MB

Download
memory/2772-17-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/2772-15-0x0000000000890000-0x0000000000990000-memory.dmp

Filesize
1024KB

Download