fickerstealer | 893a905733f177ba900a82f4170e5b2ded3bd9cb35ca8cc04d0eb3346b549ceb

General

Target
nimb.dll
Size 291KB
Sample210706-ga17e65el2
SHA256 893a905733f177ba900a82f4170e5b2ded3bd9cb35ca8cc04d0eb3346b549ceb
MD5 83fbc27ee2d49a9bc2ff082d965530a8
SHA1 b22b8cf58588c684524e7ae3d2d2aa799d76ac10
SHA512 eb61c66b9a9ed6b4e1def7d1611408ff0620a2d81f2924e696cc27c381ec65e603d3dfe32c9f41fae2e9568bc6ce547ed0730ab7f7a655c1d4127696b9b6a368
MD5 SHA1 SHA512

Score

10^/10

fickerstealer hancitor 0607_qxwd0 downloader infostealer spyware stealer

Malware Config

Extracted

Family

hancitor

Botnet

0607_qxwd0

C2

http://hosouggs.com/8/forum.php
http://mancause.ru/8/forum.php
http://hievescits.ru/8/forum.php

Extracted

Family

fickerstealer

C2

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

Blocklisted process makes network request 4 IoCs

flow	pid	Process
16	2184	rundll32.exe
18	2184	rundll32.exe
20	2184	rundll32.exe
25	2184	rundll32.exe

Downloads MZ/PE file
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
15	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2184 set thread context of 2032	2184	rundll32.exe	80

Checks processor information in registry 2 TTPs 2 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

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2184	rundll32.exe
2184	rundll32.exe
2032	svchost.exe
2032	svchost.exe
2184	rundll32.exe
2184	rundll32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3920 wrote to memory of 2184	3920	rundll32.exe	70
PID 3920 wrote to memory of 2184	3920	rundll32.exe	70
PID 3920 wrote to memory of 2184	3920	rundll32.exe	70
PID 2184 wrote to memory of 2032	2184	rundll32.exe	80
PID 2184 wrote to memory of 2032	2184	rundll32.exe	80
PID 2184 wrote to memory of 2032	2184	rundll32.exe	80
PID 2184 wrote to memory of 2032	2184	rundll32.exe	80
PID 2184 wrote to memory of 2032	2184	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\nimb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3920
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\nimb.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2184
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\System32\svchost.exe
    3⤵
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    PID:2032

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/2032-117-0x0000000000400000-0x0000000000448000-memory.dmp

Download

memory/2032-121-0x0000000000400000-0x0000000000448000-memory.dmp

Download

memory/2184-115-0x00000000738F0000-0x00000000738FA000-memory.dmp

Download

memory/2184-116-0x0000000000920000-0x0000000000921000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads