fickerstealer | 61f6be674b8bf92844144e295635b6a5f56e7b6fa8620845a16983af30daeced

Analysis

max time kernel
147s
max time network
149s
platform
windows10_x64
resource
win10v20210410
submitted
23/07/2021, 14:26

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General

Target
0722_0560636858.xls
Size 343KB
Sample210723-ltwl9g35da
SHA256 61f6be674b8bf92844144e295635b6a5f56e7b6fa8620845a16983af30daeced
MD5 f9839343568f8220218732612ce7dbd3
SHA1 3ea191299843603da03bb6a7027bdd9d70aab102
SHA512 8ffa86e0a64f47ebb798a5553f84183cb8b62275ca9bf1b8c26dc2ef26a3fc24e534894c7b7dc15c6c5ef0a36ad6b943dd43c05f7ff891acf2f42f334c7d54c9
MD5 SHA1 SHA512

Score

10^/10

fickerstealer hancitor 2207_xwpi67 downloader infostealer spyware stealer suricata

Malware Config

Extracted

Family

hancitor

Botnet

2207_xwpi67

http://tholeferli.com/8/forum.php
http://aidgodown.ru/8/forum.php
http://relifleappin.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\EXCEL.EXE is not expected to spawn this process	3392	4044	rundll32.exe	68

suricata: ET MALWARE Win32/Ficker Stealer Activity
suricata
suricata: ET MALWARE Win32/Ficker Stealer Activity M3
suricata

Blocklisted process makes network request 4 IoCs

flow	pid	Process
31	2140	rundll32.exe
33	2140	rundll32.exe
35	2140	rundll32.exe
44	2140	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
2140	rundll32.exe
2140	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 2140 set thread context of 3972	2140	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	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.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	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{95C869A5-44DA-442C-B837-E5AA5DB310DE}\532.dll:Zone.Identifier	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4044	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2140	rundll32.exe
2140	rundll32.exe
3972	svchost.exe
3972	svchost.exe
2140	rundll32.exe
2140	rundll32.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4044	EXCEL.EXE
4044	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4044 wrote to memory of 3392	4044	EXCEL.EXE	76
PID 4044 wrote to memory of 3392	4044	EXCEL.EXE	76
PID 3392 wrote to memory of 2140	3392	rundll32.exe	77
PID 3392 wrote to memory of 2140	3392	rundll32.exe	77
PID 3392 wrote to memory of 2140	3392	rundll32.exe	77
PID 2140 wrote to memory of 3972	2140	rundll32.exe	84
PID 2140 wrote to memory of 3972	2140	rundll32.exe	84
PID 2140 wrote to memory of 3972	2140	rundll32.exe	84
PID 2140 wrote to memory of 3972	2140	rundll32.exe	84
PID 2140 wrote to memory of 3972	2140	rundll32.exe	84

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\0722_0560636858.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4044
- C:\Windows\System32\rundll32.exe
  "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\omsh.dll,SHIIJGLGNAB
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:3392
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\omsh.dll,SHIIJGLGNAB
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2140
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\System32\svchost.exe
      4⤵
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      PID:3972

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/2140-308-0x0000000002840000-0x0000000002841000-memory.dmp

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memory/2140-306-0x00000000042B0000-0x00000000042BA000-memory.dmp

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memory/2140-307-0x00000000042B1000-0x00000000042C9000-memory.dmp

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memory/2140-303-0x00000000042B0000-0x0000000004376000-memory.dmp

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memory/3972-309-0x0000000000400000-0x0000000000448000-memory.dmp

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memory/3972-313-0x0000000000400000-0x0000000000448000-memory.dmp

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memory/4044-118-0x00007FF810580000-0x00007FF810590000-memory.dmp

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memory/4044-123-0x00007FF82E5E0000-0x00007FF8304D5000-memory.dmp

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memory/4044-117-0x00007FF810580000-0x00007FF810590000-memory.dmp

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memory/4044-116-0x00007FF810580000-0x00007FF810590000-memory.dmp

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memory/4044-115-0x00007FF810580000-0x00007FF810590000-memory.dmp

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memory/4044-122-0x00007FF810580000-0x00007FF810590000-memory.dmp

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memory/4044-114-0x00007FF648360000-0x00007FF64B916000-memory.dmp

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memory/4044-121-0x00007FF8304E0000-0x00007FF8315CE000-memory.dmp

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memory/4044-345-0x00007FF810580000-0x00007FF810590000-memory.dmp

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memory/4044-346-0x00007FF810580000-0x00007FF810590000-memory.dmp

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memory/4044-347-0x00007FF810580000-0x00007FF810590000-memory.dmp

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memory/4044-348-0x00007FF810580000-0x00007FF810590000-memory.dmp

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