fickerstealer | 6c23b78efd34d5f7207287ba8364147b04559c711c7f32f15814c374aabf3d4b

Analysis

max time kernel
118s
max time network
151s
platform
windows10_x64
resource
win10v20210408
submitted
12/07/2021, 21:25

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General

Target
0712_3006077542.doc
Size 915KB
Sample210712-1calwt5ar2
SHA256 6c23b78efd34d5f7207287ba8364147b04559c711c7f32f15814c374aabf3d4b
MD5 a8522da79c82b2d2264985e9d63b625a
SHA1 34c7f34a07af103d4b2d4e32a1aaba89cebab575
SHA512 922c1a439ec6790fc5ff6d6b77c78baa1ee0c40cf7cdb79f09d899f35b7699d26801ccc730c0a332f9502d36b3f934529d8b05d926a3a47dd481b3d93a683134
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	4040	992	rundll32.exe	67

Blocklisted process makes network request 3 IoCs

flow	pid	Process
30	2240	rundll32.exe
32	2240	rundll32.exe
34	2240	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 1 IoCs

pid	Process
2240	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
29	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2240 set thread context of 1144	2240	rundll32.exe	84

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	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
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.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\{FB8EC1D3-1A17-4079-8236-A805EA911586}\ter.dll:Zone.Identifier	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
992	WINWORD.EXE
992	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2240	rundll32.exe
2240	rundll32.exe
1144	svchost.exe
1144	svchost.exe

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 992 wrote to memory of 2088	992	WINWORD.EXE	75
PID 992 wrote to memory of 2088	992	WINWORD.EXE	75
PID 992 wrote to memory of 4040	992	WINWORD.EXE	77
PID 992 wrote to memory of 4040	992	WINWORD.EXE	77
PID 4040 wrote to memory of 2240	4040	rundll32.exe	78
PID 4040 wrote to memory of 2240	4040	rundll32.exe	78
PID 4040 wrote to memory of 2240	4040	rundll32.exe	78
PID 2240 wrote to memory of 1144	2240	rundll32.exe	84
PID 2240 wrote to memory of 1144	2240	rundll32.exe	84
PID 2240 wrote to memory of 1144	2240	rundll32.exe	84
PID 2240 wrote to memory of 1144	2240	rundll32.exe	84
PID 2240 wrote to memory of 1144	2240	rundll32.exe	84

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_3006077542.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:992
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2088
- 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:4040
- - 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:2240
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\System32\svchost.exe
      4⤵
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      PID:1144

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/992-118-0x00007FFED6040000-0x00007FFED8B63000-memory.dmp

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memory/992-117-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

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memory/992-119-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

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memory/992-114-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

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memory/992-122-0x00007FFED0020000-0x00007FFED110E000-memory.dmp

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memory/992-123-0x00007FFECD690000-0x00007FFECF585000-memory.dmp

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memory/992-385-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

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memory/992-384-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

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memory/992-116-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

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memory/992-383-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

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memory/992-115-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

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memory/992-382-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

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memory/1144-310-0x0000000000400000-0x0000000000448000-memory.dmp

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memory/1144-314-0x0000000000400000-0x0000000000448000-memory.dmp

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memory/2240-309-0x0000000000950000-0x0000000000951000-memory.dmp

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memory/2240-308-0x0000000001000000-0x000000000100A000-memory.dmp

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