MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db912789ffc493f082adea43b0213611eb8f30691ec2496cf2ce534f67473cda. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 14


Intelligence 14 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: db912789ffc493f082adea43b0213611eb8f30691ec2496cf2ce534f67473cda
SHA3-384 hash: dc6f256a17b7a0095eae6bc8f40bb816848b4e8f6c2bd73da944bd3b498018cad258e16285447661b9251bc78eb2143a
SHA1 hash: b1126b133312f28bac1331371ae459ee4536f365
MD5 hash: c6705efaf06e5807f8474ada4ba83954
humanhash: romeo-december-shade-undress
File name:c6705efaf06e5807f8474ada4ba83954.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:297'743 bytes
First seen:2022-05-25 08:21:07 UTC
Last seen:2022-05-25 08:52:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 55f3dfd13c0557d3e32bcbc604441dd3 (124 x Formbook, 18 x Loki, 13 x AgentTesla)
ssdeep 6144:B0Y1dKHfHcO9h2wsOg0dNUFA5jYh5xsS/rci/nVTl0ju:FmUW1HoA5jYhA0r9oC
TLSH T1945422A724D6587BE79209B00563E2A3F3F4F7490126AB87A7587F63AC3C4CBD8151E0
TrID 92.9% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
270
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
c6705efaf06e5807f8474ada4ba83954.exe
Verdict:
Malicious activity
Analysis date:
2022-05-25 09:54:18 UTC
Tags:
installer formbook trojan stealer
Link:
https://app.any.run/tasks/aa39e13c-e011-4c3b-9997-7753543b6cd2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/274422/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/628de6fc370bb1455cc4dc40/reports/5f4bad09-e730-4f48-9b0c-8a570cd97b45/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2efc32f4-69d2-4546-9e8b-1fabe2e34e83
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1001402
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 633904 Sample: piDhFF4Zkh.exe Startdate: 25/05/2022 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for URL or domain 2->51 53 3 other signatures 2->53 11 piDhFF4Zkh.exe 19 2->11         started        process3 file4 31 C:\Users\user\AppData\...\qkgmyeluan.exe, PE32 11->31 dropped 14 qkgmyeluan.exe 11->14         started        process5 signatures6 65 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->65 67 Tries to detect virtualization through RDTSC time measurements 14->67 69 Injects a PE file into a foreign processes 14->69 17 qkgmyeluan.exe 14->17         started        process7 signatures8 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Sample uses process hollowing technique 17->43 45 Queues an APC in another process (thread injection) 17->45 20 explorer.exe 17->20 injected process9 dnsIp10 33 aceites.info 82.163.176.128, 49750, 80 WILDCARD-ASWildcardUKLimitedGB United Kingdom 20->33 35 www.dengedizayn.com 157.52.242.41, 49757, 80 LAYER-HOSTUS United States 20->35 37 www.aceites.info 20->37 55 System process connects to network (likely due to code injection or exploit) 20->55 57 Uses netsh to modify the Windows network and firewall settings 20->57 24 netsh.exe 20->24         started        signatures11 process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 24->59 61 Maps a DLL or memory area into another process 24->61 63 Tries to detect virtualization through RDTSC time measurements 24->63 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/db912789ffc493f082adea43b0213611eb8f30691ec2496cf2ce534f67473cda/
Threat name:
Win32.Trojan.NSISInject
Create hunting rule
Status:
Malicious
First seen:
2022-05-25 09:14:33 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3oispcp7ysj7bavn5jb3aijwchvy6mdjd3bes3hszzju6z2hhtna._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:m0d4 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220525-j9kdzahdb7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
4e26a5f27fb6de53ebc5d344a0d5473794a36f5aa0002f22d5548832d7e87fa7
MD5 hash:
a48259cd6d7c5635d925395fa189821d
SHA1 hash:
a61794bf08f5f2930f8f8e696a0ee2f3fa365e06
Link:
https://www.unpac.me/results/58581667-24d0-464e-9dcc-ce81b99c62e5/
SH256 hash:
db912789ffc493f082adea43b0213611eb8f30691ec2496cf2ce534f67473cda
MD5 hash:
c6705efaf06e5807f8474ada4ba83954
SHA1 hash:
b1126b133312f28bac1331371ae459ee4536f365
Link:
https://www.unpac.me/results/58581667-24d0-464e-9dcc-ce81b99c62e5/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/db912789ffc493f082adea43b0213611eb8f30691ec2496cf2ce534f67473cda

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe db912789ffc493f082adea43b0213611eb8f30691ec2496cf2ce534f67473cda

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2209723/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/274422/

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