unicornstealer | 44ce18b515dc6676006582f1fce1d9e5ab189187539f055b2b416912223c1241

Analysis

max time kernel
149s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 04:11

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General

Target

6139eda5319de501e38e2f1c6e483434.dll
Size

1.7MB
MD5

6139eda5319de501e38e2f1c6e483434
SHA1

d6976183951b9b4fa8b1f9f7e9da4e04d6e73bee
SHA256

44ce18b515dc6676006582f1fce1d9e5ab189187539f055b2b416912223c1241
SHA512

0732cd1be15bb0fb6f59bd2097e4ca17aac87b26fd90c2e32ee770678727aee34c94afc7009bf7d2ff40005ffccca6a2cee7a06aa079a9ee4f4333622dfc7a23
SSDEEP

24576:i4pLEZif00JxEAXqCvRAQKNDmWEAeApxOGlEZ4h0pZB5v31rIyOlIM+SSZPU:iGYZifFEAXr6fEaYp3Oy3Sc8

Score

10^/10

unicornstealer spyware stealer

Malware Config

Signatures

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

Unicorn Stealer payload 17 IoCs

stealer

resource	yara_rule
behavioral2/memory/5004-10-0x0000000004C30000-0x0000000004D80000-memory.dmp	unicorn
behavioral2/memory/1812-12-0x0000000000400000-0x000000000053C000-memory.dmp	unicorn
behavioral2/memory/1812-13-0x0000000000400000-0x000000000053C000-memory.dmp	unicorn
behavioral2/memory/1812-17-0x0000000000400000-0x000000000053C000-memory.dmp	unicorn
behavioral2/memory/1812-19-0x0000000000400000-0x000000000053C000-memory.dmp	unicorn
behavioral2/memory/1812-20-0x0000000000400000-0x000000000053C000-memory.dmp	unicorn
behavioral2/memory/1812-22-0x0000000000400000-0x000000000053C000-memory.dmp	unicorn
behavioral2/memory/1812-25-0x0000000000400000-0x000000000053C000-memory.dmp	unicorn
behavioral2/memory/1812-27-0x0000000000400000-0x000000000053C000-memory.dmp	unicorn
behavioral2/memory/1812-26-0x0000000000400000-0x000000000053C000-memory.dmp	unicorn
behavioral2/memory/1812-28-0x0000000000400000-0x000000000053C000-memory.dmp	unicorn
behavioral2/memory/1812-30-0x0000000000400000-0x000000000053C000-memory.dmp	unicorn
behavioral2/memory/1812-31-0x0000000000400000-0x000000000053C000-memory.dmp	unicorn
behavioral2/memory/1812-39-0x0000000000400000-0x000000000053C000-memory.dmp	unicorn
behavioral2/memory/1812-55-0x0000000000400000-0x000000000053C000-memory.dmp	unicorn
behavioral2/memory/1812-57-0x0000000000400000-0x000000000053C000-memory.dmp	unicorn
behavioral2/memory/1812-58-0x0000000000400000-0x000000000053C000-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 64 IoCs

pid	Process
2428	rundll32.exe
5004	svchost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe
1812	dllhost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
5004	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1812	dllhost.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 2428	2304	rundll32.exe	18
PID 2304 wrote to memory of 2428	2304	rundll32.exe	18
PID 2304 wrote to memory of 2428	2304	rundll32.exe	18
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92
PID 2428 wrote to memory of 5004	2428	rundll32.exe	92

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6139eda5319de501e38e2f1c6e483434.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6139eda5319de501e38e2f1c6e483434.dll,#1
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2428
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Windows\system32\svchost.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    PID:5004
  - - C:\Windows\SysWOW64\dllhost.exe
      "C:\Windows\system32\dllhost.exe"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      PID:1812

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/1812-19-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1812-39-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1812-58-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1812-57-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1812-55-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1812-20-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1812-11-0x0000000077848000-0x0000000077849000-memory.dmp

Filesize
4KB

Download
memory/1812-12-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1812-13-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1812-14-0x0000000000D00000-0x0000000000D09000-memory.dmp

Filesize
36KB

Download
memory/1812-31-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1812-17-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1812-30-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1812-22-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1812-28-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1812-25-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1812-27-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1812-26-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/2428-0-0x0000000000400000-0x00000000005B5000-memory.dmp

Filesize
1.7MB

Download
memory/2428-5-0x0000000000400000-0x00000000005B5000-memory.dmp

Filesize
1.7MB

Download
memory/2428-7-0x0000000000400000-0x00000000005B5000-memory.dmp

Filesize
1.7MB

Download
memory/5004-15-0x0000000004C30000-0x0000000004D80000-memory.dmp

Filesize
1.3MB

Download
memory/5004-10-0x0000000004C30000-0x0000000004D80000-memory.dmp

Filesize
1.3MB

Download
memory/5004-9-0x0000000000D60000-0x0000000000D68000-memory.dmp

Filesize
32KB

Download
memory/5004-6-0x00000000001F0000-0x00000000001F2000-memory.dmp

Filesize
8KB

Download