fickerstealer | d383ee6df7f0cef2c03235a2c80b83b4b21565c2f761c462d9b51519015d38df

Analysis

max time kernel
108s
max time network
148s
platform
windows10_x64
resource
win10v20210410
submitted
12/07/2021, 16:02

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General

Target
20210712_160119_d383ee6df7f0cef2c03235a2c80b83b4b21565c2f761c462d9b51519015d38df_0712_2662750663.doc
Size 914KB
Sample210712-jhtpmxlyh2
SHA256 d383ee6df7f0cef2c03235a2c80b83b4b21565c2f761c462d9b51519015d38df
MD5 de4717da2edc1f59ddbdb1e43be9bf03
SHA1 188dd57cbdac1887163ba20a9193f2a3bdfcf678
SHA512 0522610fe74f8a275d081a883472e4d8ca05b52a9f4102acebaaefb2711e73c41fb0767577c52ac78928fc7419d35c7ff94c33b0bc509f2fc312c89c7faf99c1
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	3328	3908	rundll32.exe	68

Blocklisted process makes network request 3 IoCs

flow	pid	Process
31	3332	rundll32.exe
33	3332	rundll32.exe
35	3332	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
3332	rundll32.exe
3332	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
30	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3332 set thread context of 2200	3332	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\{18EA3CB0-3F6C-4A2F-824B-ECF9B1190D7D}\ter.dll:Zone.Identifier	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3908	WINWORD.EXE
3908	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3332	rundll32.exe
3332	rundll32.exe
2200	svchost.exe
2200	svchost.exe

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
3908	WINWORD.EXE
3908	WINWORD.EXE
3908	WINWORD.EXE
3908	WINWORD.EXE
3908	WINWORD.EXE
3908	WINWORD.EXE
3908	WINWORD.EXE
3908	WINWORD.EXE
3908	WINWORD.EXE
3908	WINWORD.EXE
3908	WINWORD.EXE
3908	WINWORD.EXE
3908	WINWORD.EXE
3908	WINWORD.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3908 wrote to memory of 3932	3908	WINWORD.EXE	76
PID 3908 wrote to memory of 3932	3908	WINWORD.EXE	76
PID 3908 wrote to memory of 3328	3908	WINWORD.EXE	79
PID 3908 wrote to memory of 3328	3908	WINWORD.EXE	79
PID 3328 wrote to memory of 3332	3328	rundll32.exe	80
PID 3328 wrote to memory of 3332	3328	rundll32.exe	80
PID 3328 wrote to memory of 3332	3328	rundll32.exe	80
PID 3332 wrote to memory of 2200	3332	rundll32.exe	85
PID 3332 wrote to memory of 2200	3332	rundll32.exe	85
PID 3332 wrote to memory of 2200	3332	rundll32.exe	85
PID 3332 wrote to memory of 2200	3332	rundll32.exe	85
PID 3332 wrote to memory of 2200	3332	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\20210712_160119_d383ee6df7f0cef2c03235a2c80b83b4b21565c2f761c462d9b51519015d38df_0712_2662750663.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:3908
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:3932
- 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:3328
- - 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:3332
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\System32\svchost.exe
      4⤵
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      PID:2200

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

Replay Monitor

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Downloads

memory/2200-331-0x0000000000400000-0x0000000000448000-memory.dmp

Download

memory/2200-327-0x0000000000400000-0x0000000000448000-memory.dmp

Download

memory/3332-309-0x00000000005D0000-0x00000000006B8000-memory.dmp

Download

memory/3332-324-0x00000000005D0000-0x00000000005DA000-memory.dmp

Download

memory/3332-326-0x0000000000550000-0x0000000000551000-memory.dmp

Download

memory/3332-325-0x00000000005D1000-0x0000000000604000-memory.dmp

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memory/3908-114-0x00007FF824490000-0x00007FF8244A0000-memory.dmp

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memory/3908-118-0x00007FF845680000-0x00007FF8481A3000-memory.dmp

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memory/3908-119-0x00007FF824490000-0x00007FF8244A0000-memory.dmp

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memory/3908-122-0x00007FF83F100000-0x00007FF8401EE000-memory.dmp

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memory/3908-123-0x00007FF83D200000-0x00007FF83F0F5000-memory.dmp

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memory/3908-117-0x00007FF824490000-0x00007FF8244A0000-memory.dmp

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memory/3908-116-0x00007FF824490000-0x00007FF8244A0000-memory.dmp

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memory/3908-115-0x00007FF824490000-0x00007FF8244A0000-memory.dmp

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memory/3908-399-0x00007FF824490000-0x00007FF8244A0000-memory.dmp

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memory/3908-400-0x00007FF824490000-0x00007FF8244A0000-memory.dmp

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memory/3908-402-0x00007FF824490000-0x00007FF8244A0000-memory.dmp

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memory/3908-401-0x00007FF824490000-0x00007FF8244A0000-memory.dmp

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