fickerstealer | ba50aec821d7d7ce4b89d46118bc403e4b1d1fbf1988bec8c1a916f2bfc971f0

Analysis

max time kernel
118s
max time network
156s
platform
windows10_x64
resource
win10v20210408
submitted
12/07/2021, 21:25

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General

Target
0712_0270003238.doc
Size 915KB
Sample210712-2795b2xeda
SHA256 ba50aec821d7d7ce4b89d46118bc403e4b1d1fbf1988bec8c1a916f2bfc971f0
MD5 18d810e437b4f70c3f1a4e0b6f81be88
SHA1 b038a8aa5504c6aaf45d6db697178ced354a44a6
SHA512 d0a1a46f57a675d3f02c504538915937c69b7aeb4bbbf7af0b95d77863bccf5052c15cce4935342f4cce76f3b86f8e9055d2a3d6b4b6415c20dc41a5424b1d4a
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	576	3128	rundll32.exe	67

Blocklisted process makes network request 3 IoCs

flow	pid	Process
30	1424	rundll32.exe
32	1424	rundll32.exe
34	1424	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
1424	rundll32.exe
1424	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 1424 set thread context of 2272	1424	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\{BA404C65-7B0F-4C45-8CC4-AF7C8C48FD4D}\ter.dll:Zone.Identifier	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3128	WINWORD.EXE
3128	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1424	rundll32.exe
1424	rundll32.exe
2272	svchost.exe
2272	svchost.exe

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
3128	WINWORD.EXE
3128	WINWORD.EXE
3128	WINWORD.EXE
3128	WINWORD.EXE
3128	WINWORD.EXE
3128	WINWORD.EXE
3128	WINWORD.EXE
3128	WINWORD.EXE
3128	WINWORD.EXE
3128	WINWORD.EXE
3128	WINWORD.EXE
3128	WINWORD.EXE
3128	WINWORD.EXE
3128	WINWORD.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3128 wrote to memory of 1996	3128	WINWORD.EXE	75
PID 3128 wrote to memory of 1996	3128	WINWORD.EXE	75
PID 3128 wrote to memory of 576	3128	WINWORD.EXE	78
PID 3128 wrote to memory of 576	3128	WINWORD.EXE	78
PID 576 wrote to memory of 1424	576	rundll32.exe	79
PID 576 wrote to memory of 1424	576	rundll32.exe	79
PID 576 wrote to memory of 1424	576	rundll32.exe	79
PID 1424 wrote to memory of 2272	1424	rundll32.exe	84
PID 1424 wrote to memory of 2272	1424	rundll32.exe	84
PID 1424 wrote to memory of 2272	1424	rundll32.exe	84
PID 1424 wrote to memory of 2272	1424	rundll32.exe	84
PID 1424 wrote to memory of 2272	1424	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_0270003238.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:3128
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1996
- 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:576
- - 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:1424
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\System32\svchost.exe
      4⤵
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      PID:2272

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/1424-312-0x0000000003371000-0x00000000033A4000-memory.dmp

Download

memory/1424-311-0x0000000003370000-0x000000000337A000-memory.dmp

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memory/1424-310-0x0000000003460000-0x0000000003461000-memory.dmp

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memory/1424-297-0x0000000003370000-0x0000000003458000-memory.dmp

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memory/2272-313-0x0000000000400000-0x0000000000448000-memory.dmp

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memory/2272-317-0x0000000000400000-0x0000000000448000-memory.dmp

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memory/3128-119-0x00007FFA70CE0000-0x00007FFA70CF0000-memory.dmp

Download

memory/3128-123-0x00007FFA8A8E0000-0x00007FFA8C7D5000-memory.dmp

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memory/3128-117-0x00007FFA70CE0000-0x00007FFA70CF0000-memory.dmp

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memory/3128-116-0x00007FFA70CE0000-0x00007FFA70CF0000-memory.dmp

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memory/3128-115-0x00007FFA70CE0000-0x00007FFA70CF0000-memory.dmp

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memory/3128-114-0x00007FFA70CE0000-0x00007FFA70CF0000-memory.dmp

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memory/3128-118-0x00007FFA91D40000-0x00007FFA94863000-memory.dmp

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memory/3128-122-0x00007FFA8D200000-0x00007FFA8E2EE000-memory.dmp

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memory/3128-385-0x00007FFA70CE0000-0x00007FFA70CF0000-memory.dmp

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memory/3128-386-0x00007FFA70CE0000-0x00007FFA70CF0000-memory.dmp

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memory/3128-387-0x00007FFA70CE0000-0x00007FFA70CF0000-memory.dmp

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memory/3128-388-0x00007FFA70CE0000-0x00007FFA70CF0000-memory.dmp

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