fickerstealer | 1a07c88393b85d293ca2364b046b922bde131875e1faf95d29dbd4aae73464b1

Analysis

max time kernel
109s
max time network
147s
platform
windows10_x64
resource
win10v20210408
submitted
13/07/2021, 06:25

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General

Target
0712_0384680863.doc
Size 915KB
Sample210713-59w3regb5a
SHA256 1a07c88393b85d293ca2364b046b922bde131875e1faf95d29dbd4aae73464b1
MD5 116c69c018829ee0342b177523161cd4
SHA1 ef41a9477cf0b38f5028d4f1d7a92dd29b225b63
SHA512 a7067e248096e33aaeadc3cad08e78931a0fede2a0bf75dd4146e56f7b5558dd07620be324e754b71bd6984cc9d6cf2353b3a06787ec78c0a9041841f88f50d8
MD5 SHA1 SHA512

Score

10^/10

fickerstealer hancitor 1207_cvefop downloader infostealer spyware stealer

Malware Config

Extracted

Family

hancitor

Botnet

1207_cvefop

http://trictuatiove.com/8/forum.php
http://olinsartain.ru/8/forum.php
http://factoothfand.ru/8/forum.php

Extracted

Family

fickerstealer

pospvisis.com:80

Signatures

Fickerstealer
Ficker is an infostealer written in Rust and ASM.
infostealer fickerstealer
Hancitor
Hancitor is downloader used to deliver other malware families.
downloader hancitor

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	1776	628	rundll32.exe	24

Blocklisted process makes network request 3 IoCs

flow	pid	Process
28	2980	rundll32.exe
30	2980	rundll32.exe
32	2980	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
2980	rundll32.exe
2980	rundll32.exe

Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
27	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2980 set thread context of 1500	2980	rundll32.exe	85

Checks processor information in registry 2 TTPs 5 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	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{A895022E-0333-4266-BC9A-34457CD0C01A}\ter.dll:Zone.Identifier	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
628	WINWORD.EXE
628	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2980	rundll32.exe
2980	rundll32.exe
1500	svchost.exe
1500	svchost.exe

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
628	WINWORD.EXE
628	WINWORD.EXE
628	WINWORD.EXE
628	WINWORD.EXE
628	WINWORD.EXE
628	WINWORD.EXE
628	WINWORD.EXE
628	WINWORD.EXE
628	WINWORD.EXE
628	WINWORD.EXE
628	WINWORD.EXE
628	WINWORD.EXE
628	WINWORD.EXE
628	WINWORD.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 1876	628	WINWORD.EXE	76
PID 628 wrote to memory of 1876	628	WINWORD.EXE	76
PID 628 wrote to memory of 1776	628	WINWORD.EXE	78
PID 628 wrote to memory of 1776	628	WINWORD.EXE	78
PID 1776 wrote to memory of 2980	1776	rundll32.exe	80
PID 1776 wrote to memory of 2980	1776	rundll32.exe	80
PID 1776 wrote to memory of 2980	1776	rundll32.exe	80
PID 2980 wrote to memory of 1500	2980	rundll32.exe	85
PID 2980 wrote to memory of 1500	2980	rundll32.exe	85
PID 2980 wrote to memory of 1500	2980	rundll32.exe	85
PID 2980 wrote to memory of 1500	2980	rundll32.exe	85
PID 2980 wrote to memory of 1500	2980	rundll32.exe	85

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\0712_0384680863.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:628
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1876
- C:\Windows\System32\rundll32.exe
  "C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\roaming\microsoft\templates\ier.dll,HINYYIMIVRX
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:1776
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\roaming\microsoft\templates\ier.dll,HINYYIMIVRX
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2980
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\System32\svchost.exe
      4⤵
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      PID:1500

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/628-122-0x00007FFF6CDF0000-0x00007FFF6DEDE000-memory.dmp

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memory/628-119-0x00007FFF50D30000-0x00007FFF50D40000-memory.dmp

Download

memory/628-118-0x00007FFF71E90000-0x00007FFF749B3000-memory.dmp

Download

memory/628-114-0x00007FFF50D30000-0x00007FFF50D40000-memory.dmp

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memory/628-123-0x00007FFF6A6E0000-0x00007FFF6C5D5000-memory.dmp

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memory/628-384-0x00007FFF50D30000-0x00007FFF50D40000-memory.dmp

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memory/628-385-0x00007FFF50D30000-0x00007FFF50D40000-memory.dmp

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memory/628-117-0x00007FFF50D30000-0x00007FFF50D40000-memory.dmp

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memory/628-383-0x00007FFF50D30000-0x00007FFF50D40000-memory.dmp

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memory/628-382-0x00007FFF50D30000-0x00007FFF50D40000-memory.dmp

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memory/628-116-0x00007FFF50D30000-0x00007FFF50D40000-memory.dmp

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memory/628-115-0x00007FFF50D30000-0x00007FFF50D40000-memory.dmp

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memory/1500-310-0x0000000000400000-0x0000000000448000-memory.dmp

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memory/1500-314-0x0000000000400000-0x0000000000448000-memory.dmp

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memory/2980-308-0x0000000004C81000-0x0000000004CB4000-memory.dmp

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memory/2980-309-0x0000000003200000-0x000000000334A000-memory.dmp

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memory/2980-307-0x0000000004C80000-0x0000000004C8A000-memory.dmp

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memory/2980-280-0x0000000004C80000-0x0000000004D68000-memory.dmp

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