unicornstealer | 06c438f25d9fd9ced6066c62b1e9b6097401304289d3130e6a3af34e417eab49

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 00:00

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General

Target

44dccd1d8b57ee3b5a8c7833f3cb9d72.dll
Size

3.6MB
MD5

44dccd1d8b57ee3b5a8c7833f3cb9d72
SHA1

faec40b6e2f6b452c273b9ff2cb8101e8c554d5e
SHA256

06c438f25d9fd9ced6066c62b1e9b6097401304289d3130e6a3af34e417eab49
SHA512

b14a8131b47054132f511723d6ffaa5ca7bae9ddf907a0dd624ff3bb116737105806f6819a99433fcb0fbfeee223360e13d05496546e2a0eb947b6aedd8e293b
SSDEEP

49152:3tiEM3qSat9+rZufjlxnyqxSgF8CP4rhDTF+2huh:3tT4ZurlL8CP4rh1+gu

Score

10^/10

unicornstealer spyware stealer

Malware Config

Signatures

UnicornStealer
UnicornStealer is a modular infostealer written in C++.
stealer unicornstealer

Unicorn Stealer payload 18 IoCs

stealer

resource	yara_rule
behavioral1/memory/2284-29-0x0000000016870000-0x00000000169B5000-memory.dmp	unicorn
behavioral1/memory/2872-31-0x0000000000400000-0x0000000000532000-memory.dmp	unicorn
behavioral1/memory/2872-32-0x0000000000400000-0x0000000000532000-memory.dmp	unicorn
behavioral1/memory/2872-36-0x0000000000400000-0x0000000000532000-memory.dmp	unicorn
behavioral1/memory/2872-37-0x0000000000400000-0x0000000000532000-memory.dmp	unicorn
behavioral1/memory/2872-38-0x0000000000400000-0x0000000000532000-memory.dmp	unicorn
behavioral1/memory/2872-42-0x0000000000400000-0x0000000000532000-memory.dmp	unicorn
behavioral1/memory/2872-40-0x0000000000400000-0x0000000000532000-memory.dmp	unicorn
behavioral1/memory/2872-49-0x0000000000400000-0x0000000000532000-memory.dmp	unicorn
behavioral1/memory/2872-51-0x0000000000400000-0x0000000000532000-memory.dmp	unicorn
behavioral1/memory/2872-53-0x0000000000400000-0x0000000000532000-memory.dmp	unicorn
behavioral1/memory/2872-58-0x0000000000400000-0x0000000000532000-memory.dmp	unicorn
behavioral1/memory/2872-57-0x0000000000400000-0x0000000000532000-memory.dmp	unicorn
behavioral1/memory/2872-47-0x0000000000400000-0x0000000000532000-memory.dmp	unicorn
behavioral1/memory/2872-46-0x0000000000400000-0x0000000000532000-memory.dmp	unicorn
behavioral1/memory/2872-78-0x0000000000400000-0x0000000000532000-memory.dmp	unicorn
behavioral1/memory/2872-79-0x0000000000400000-0x0000000000532000-memory.dmp	unicorn
behavioral1/memory/2872-80-0x0000000000400000-0x0000000000532000-memory.dmp	unicorn

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
1728	rundll32.exe
2284	svchost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe
2872	dllhost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2284	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1728	rundll32.exe
2872	dllhost.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 1728	2516	rundll32.exe	28
PID 2516 wrote to memory of 1728	2516	rundll32.exe	28
PID 2516 wrote to memory of 1728	2516	rundll32.exe	28
PID 2516 wrote to memory of 1728	2516	rundll32.exe	28
PID 2516 wrote to memory of 1728	2516	rundll32.exe	28
PID 2516 wrote to memory of 1728	2516	rundll32.exe	28
PID 2516 wrote to memory of 1728	2516	rundll32.exe	28
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 1728 wrote to memory of 2284	1728	rundll32.exe	29
PID 2284 wrote to memory of 2872	2284	svchost.exe	34
PID 2284 wrote to memory of 2872	2284	svchost.exe	34
PID 2284 wrote to memory of 2872	2284	svchost.exe	34
PID 2284 wrote to memory of 2872	2284	svchost.exe	34
PID 2284 wrote to memory of 2872	2284	svchost.exe	34
PID 2284 wrote to memory of 2872	2284	svchost.exe	34
PID 2284 wrote to memory of 2872	2284	svchost.exe	34
PID 2284 wrote to memory of 2872	2284	svchost.exe	34
PID 2284 wrote to memory of 2872	2284	svchost.exe	34
PID 2284 wrote to memory of 2872	2284	svchost.exe	34
PID 2284 wrote to memory of 2872	2284	svchost.exe	34
PID 2284 wrote to memory of 2872	2284	svchost.exe	34
PID 2284 wrote to memory of 2872	2284	svchost.exe	34
PID 2284 wrote to memory of 2872	2284	svchost.exe	34
PID 2284 wrote to memory of 2872	2284	svchost.exe	34
PID 2284 wrote to memory of 2872	2284	svchost.exe	34
PID 2284 wrote to memory of 2872	2284	svchost.exe	34
PID 2284 wrote to memory of 2872	2284	svchost.exe	34
PID 2284 wrote to memory of 2872	2284	svchost.exe	34
PID 2284 wrote to memory of 2872	2284	svchost.exe	34
PID 2284 wrote to memory of 2872	2284	svchost.exe	34
PID 2284 wrote to memory of 2872	2284	svchost.exe	34
PID 2284 wrote to memory of 2872	2284	svchost.exe	34

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\44dccd1d8b57ee3b5a8c7833f3cb9d72.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\44dccd1d8b57ee3b5a8c7833f3cb9d72.dll,#1
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1728
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Windows\system32\svchost.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2284
  - - C:\Windows\SysWOW64\dllhost.exe
      "C:\Windows\system32\dllhost.exe"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      PID:2872

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

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1728-1-0x0000000000190000-0x000000000019A000-memory.dmp

Filesize
40KB

Download
memory/1728-3-0x0000000002180000-0x0000000002543000-memory.dmp

Filesize
3.8MB

Download
memory/1728-5-0x0000000000190000-0x000000000019A000-memory.dmp

Filesize
40KB

Download
memory/1728-0-0x0000000002180000-0x0000000002543000-memory.dmp

Filesize
3.8MB

Download
memory/2284-34-0x0000000016870000-0x00000000169B5000-memory.dmp

Filesize
1.3MB

Download
memory/2284-2-0x0000000000090000-0x0000000000092000-memory.dmp

Filesize
8KB

Download
memory/2284-28-0x0000000000770000-0x0000000000778000-memory.dmp

Filesize
32KB

Download
memory/2284-29-0x0000000016870000-0x00000000169B5000-memory.dmp

Filesize
1.3MB

Download
memory/2872-37-0x0000000000400000-0x0000000000532000-memory.dmp

Filesize
1.2MB

Download
memory/2872-51-0x0000000000400000-0x0000000000532000-memory.dmp

Filesize
1.2MB

Download
memory/2872-32-0x0000000000400000-0x0000000000532000-memory.dmp

Filesize
1.2MB

Download
memory/2872-36-0x0000000000400000-0x0000000000532000-memory.dmp

Filesize
1.2MB

Download
memory/2872-31-0x0000000000400000-0x0000000000532000-memory.dmp

Filesize
1.2MB

Download
memory/2872-38-0x0000000000400000-0x0000000000532000-memory.dmp

Filesize
1.2MB

Download
memory/2872-42-0x0000000000400000-0x0000000000532000-memory.dmp

Filesize
1.2MB

Download
memory/2872-40-0x0000000000400000-0x0000000000532000-memory.dmp

Filesize
1.2MB

Download
memory/2872-49-0x0000000000400000-0x0000000000532000-memory.dmp

Filesize
1.2MB

Download
memory/2872-33-0x0000000000080000-0x0000000000088000-memory.dmp

Filesize
32KB

Download
memory/2872-53-0x0000000000400000-0x0000000000532000-memory.dmp

Filesize
1.2MB

Download
memory/2872-58-0x0000000000400000-0x0000000000532000-memory.dmp

Filesize
1.2MB

Download
memory/2872-57-0x0000000000400000-0x0000000000532000-memory.dmp

Filesize
1.2MB

Download
memory/2872-47-0x0000000000400000-0x0000000000532000-memory.dmp

Filesize
1.2MB

Download
memory/2872-46-0x0000000000400000-0x0000000000532000-memory.dmp

Filesize
1.2MB

Download
memory/2872-78-0x0000000000400000-0x0000000000532000-memory.dmp

Filesize
1.2MB

Download
memory/2872-79-0x0000000000400000-0x0000000000532000-memory.dmp

Filesize
1.2MB

Download
memory/2872-80-0x0000000000400000-0x0000000000532000-memory.dmp

Filesize
1.2MB

Download